235 Results for

Engineer Scientist Jobs in Washington, DC

Jobs

Seeking qualified professionals to support Federal Aviation Administration (FAA) Aviation Safety (AVS) programs through engineering, technical, and analytical support and mission execution activities addressing complex system, safety, and operational challenges across the National Airspace System (NAS). Master's degree may be waived with a bachelor's degree in psychology, industrial or organizational psychology, engineering, science or other technical or analytical related fields and seventeen years of experience in performing the above duties or aviation-related experience.

21 days ago

Arlington, VA

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Lead multi-media environmental permitting efforts for the life-cycle of a project from initial due diligence, through preparation of applications, strategic compliance support throughout construction and ongoing operational compliance;

Interact with and build relationships with clients, contractors/subcontractors, and internal practice leaders with a strong commitment to customer service and responsiveness to client needs;

Deliver on multiple fast-paced projects and tasks within specific budgets, schedules, and deadlines;

Prepare permit applications and compliance programs for multiple environmental media, including air, wastewater, stormwater, waste, spill prevention and storage tanks, EPCRA (Tier II, TRI);

Perform multi-media environmental compliance audits, gap assessments, inspections, and program reviews;

Develop and support implementation and management of various monitoring and spill prevention and contingency plans/programs (SPCC, FRP, SPR, SWPPP, Hazardous Waste Contingency Plans, TOMP, Slug Control, etc.);

Provide direct oversight and management of junior staff for specific project assignments;

Lead and/or assist in the preparation of proposals including development of scope and costs;

Manage project budgets and assist in invoicing as project or task manager;

Conduct field support at client sites including routine site inspections, collection of samples, and on-call support;

Train and mentor junior staff; and. CHMM) is strongly preferred;

40-hour OSHA HAZWOPER certification preferred;

Ability to effectively manage multiple clients and projects;

Ability to work well on multi-disciplinary projects;

Willingness and ability to maintain and develop existing client relationships as well as identify new opportunities is strongly desired;

Basic understanding of common industrial activities and the relationships among environmental media /regulations (e.g.

30+ days ago

$190,000–$200,000 / year

Conduct independent technical and programmatic assessments / evaluations of: NNSA's nuclear weapons electronic product realization (PR) information and data management applications/ systems Systems utilized in the NNSA nuclear weapons design-to- production environment PRIDE's NSE transformational achievements/impacts Warhead Life Extension Program (LEP) product realization information technology advancements Return on Investments (ROI) supporting long-term Stockpile Stewardship Contributions to PR systems/applications technical planning, information management objectives Classified Need-to-Know models-based engineering environment and Enterprise Architecture decision analyses Cybersecurity, supply chain, and other risks our digital program poses to the mission Progress towards Models-based Enterprise (MBE), Models-based Definition (MBD) and Digital Engineering (DE) Minimum Qualifications: Current, active DOE Q Clearance/Top Secret Clearance with ability to acquire SCI. The company offers technical, engineering, and programmatic support expertise to a host of U.S. federal and international agencies, including, but not limited to, the Department of Energy, the Department of Defense, the Department of Homeland Security, the Department of Justice, INTERPOL, and the International Atomic Energy Agency.

30+ days ago

McLean, VA

$147,200–$184,000 / year

Your future colleagues are a collegial team of energy and environmental engineers, material scientists, systems engineers, mechanical engineers, electrical engineers, chemists, physicists, and civil engineers who work across MITRE's diverse sponsors and partners.

Department Summary:

MITRE Lab's Energy, Environmental, Material and Chemical Sciences is seeking a senior engineer with expertise in power and energy technologies to work in a dynamic analytical environment focused on solving our customers energy technology and resilience challenges.

14 days ago

Laurel, Maryland

We seek to drive technology advances in a variety of applications including remote sensing, rf photonics, optical communications, optical system design, high energy laser systems, applied spectroscopy, optical materials characterization, and advanced photonic technologies (including leveraging FPGA and digital design tools for photonic-based systems).

Are interested in exploring a career in one or more of the following areas: Remote Sensing, Optical Communications, Optical System Design, High Energy Laser systems and technologies, Applied Spectroscopy, Optical Materials Characterization, or Advanced Photonics, FPGA development or digital design.

30+ days ago

Laurel, MD

As an AOS Sector Senior Administrative Assistant you will: Independently manage the flow of people and information in support of four Sector-level chief engineers and scientists; primarily responsible for coordinating and expediting activities for a driven set of leaders in a fast-paced environment, executing day-to-day activities. Initiative and persistence in pursuing administrative needs, meeting quick turnaround demands, and resolving problems with a sense of urgency and demonstrated capability to anticipate, prioritize and expedite numerous tasks from multiple sources.

30 days ago

Laurel, MD

30+ days ago

Washington, DC

$102,415–$158,322 / year

Specified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelors degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. As a Interdisciplinary General Engineer Physical Scientist, you will provide professional engineering or physical science expertise and support to DOE programs, projects or initiatives whose mission or responsibilities include a combination of engineering and physical science work that supports the DOE mission to maintain US preeminence in engineering and scientific technology research and applications.

26 days ago

$127,141–$197,200 / year

p>1301- Degree: physical science, engineering, or mathematics that included 24 semester hours in physical science and/or related engineering science such as mechanics, dynamics, properties of materials, and electronics OR Combination of education and experience -- education equivalent to one of the majors shown in A above that included at least 24 semester hours in physical science and/or related engineering science, plus appropriate experience or additional education.

Certain Military Spouses: Permanent Change of Station (PCS) orders authorizing you to accompany the Military member to the new duty permanent station; OR verification of the members 100% disability (VA Letter); and/or verification of the members death while on active duty (DD-1300 and Death Certificate) AND verification of the marriage to the service member (i.e., a marriage license or other legal documentation verifying marriage).

14 days ago

Laurel, Maryland

Full time

Our team works collaboratively with industry, academia, and government to study, design, develop, implement, and test cyber capabilities applied to air, afloat, ground, and undersea military and/or tactical platforms and systems. If you are graduating with a Bachelor’s degree in Computer Science, Computer Engineering, Systems Engineering, Electrical Engineering, Mathematics, Physics, or related fields, and want to contribute to important national security missions, we'd love to have you join our team!

9 days ago

Arlington, VA

li>Experience in relevant defense-related technology research and/or development programs including long range effects, mission logistics, and complex project management. If you are a qualified job seeker with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.blueskyinnovators.com as a result of your disability.

23 days ago

Columbia, Maryland

While no one candidate will embody every quality, the successful candidate will bring many of the following professional competencies and personal attributes: Demonstrated general knowledge of relevant engineering and scientific disciplines, with the ability to continuously maintain and advance both academic and applied technical expertise. Through advanced fire science, rigorous research, extensive outreach, and education in collaboration with our international network of partners, we share with stakeholders the information, tools, and resources that enable them to make better, more fire-safe decisions that ultimately save lives and property.

30+ days ago

Chantilly, Virginia

Full time

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Our solution areas include space mission engineering, atmospheric science, digital engineering, mission assurance, and advances in modeling and simulation that together with our enterprise-wide adoption of artificial intelligence and machine learning, lead to better systems and timely, reliable decision-making.

14 days ago

Laurel, Maryland

p style="margin:0px">The Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. Learn more about our career opportunities at https://www.jhuapl.edu/careers.

21 days ago

Laurel, Maryland

21 days ago

Hanover, MD

Full time

From environmental planning, permitting, remediation, and site characterization to chemical data management and hydrogeology, Kleinfelder offers a variety of services designed to provide technically appropriate and cost-effective solutions. The selected candidate will be capable of working both as an integral team member and at times independently, using knowledge of industry and/or professional guidelines and protocols to accomplish goals and objectives and solve problems of diverse scope.

30+ days ago

Hanover, MD

Full time

30+ days ago

$82,951–$154,637 / year

Typical assignments may include: computer programming; database maintenance, baseline upgrades, software enhancements, networking, router configurations, collecting, recording and analyzing data/information; identifying problems, performing investigation and inspection activities; limited system development; collecting, recording and analyzing data/information; and identifying problems.

The Laboratory Technical Services Branch provides professional, high quality software engineering, systems integration, network solutions, problem resolution, and disaster recovery services for the mission-critical National Airspace System (NAS), and the Air Traffic Organization, and FAA customers enterprise-wide.

2 days ago

Fairfax, VA

$70–$90 / hour

In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.

1 day ago

Laurel, MD

The Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

19 days ago

Laurel, MD

p>The Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

19 days ago

Chantilly, VA

p>SAIC - Data Scientist in Chantilly, Virginia, United States Join our Talent Network >Talent Network Alumni Connect Current Employees Events Featured Locations Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Career Fields Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields View All Jobs Candidate Resources Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields.

Data Scientist Job ID: T2601217 Location: Chantilly, VA, United States Date Posted: Mar 8, 2026 Category: Engineering and Sciences Subcategory: Modeling/Sim Engr Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI_w/Poly Clearance Level: Must Be Able to Obtain None Potential for Remote Work: On-Site Benefits: Click here Share mail Apply Now >Apply Now >.

30+ days ago

Baltimore, MD

In addition to the base salary, Amgen offers a Total Rewards Plan, based on eligibility, comprising of health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include: A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts. In this vital role you will join the Digital Process and Systems Analysis group within Process Development plays a key role in providing data infrastructure, platforms, and analytics to support engineering teams across our network, ensuring state-of-the-art data insights to drive innovation and efficiency for the commercialization and optimization of Amgen's pipeline.

4 days ago

Washington, Washington, DC

Skills, Experience and Qualifications:

At least 2 years of related experience, including supporting environmental due diligence and related consulting projects, observation of drilling and well installation, soil sampling, soil vapor, groundwater sampling, and other field techniques, or equivalent combination of education and experience. The position will have the opportunity to apply academic knowledge and practical experience to real-world situations related to environmental due diligence and contaminated site assessment & remediation for a diverse national private and public sector client base, while also learning and expanding the business skills needed for a successful consulting career.

30+ days ago

Tysons Corner, VA

We're an inspired and innovative team of engineers, scientists, planners, and designers who partner with clients in the transportation, real estate, institutional, and energy industries, as well as federal, state, and local governments. Sponsored by Deloitte Private and The Wall Street Journal, the award celebrates companies demonstrating excellence in strategy, execution, culture, and financial performance-qualities that continue to drive our growth and success.

30+ days ago

$34,799–$164,301 / year

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Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor's degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Specialized Experience may include but are not limited to: experience with reviewing, analyzing and revising publications and/or technical manuals pertaining to electronic equipment repair; designing/revising the implementation of new procedures and requirements for system maintenance; performing operational engineering modifications/restoration for complex communications, surveillance or navigational systems/equipment.

30+ days ago

$123,171–$190,953 / year

4. Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelor¿s degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Combination of education and experience -- college-level education, training, and/or technical experience that furnished (1) a thorough knowledge of the physical and mathematical sciences underlying engineering, and (2) a good understanding, both theoretical and practical, of the engineering sciences and techniques and their applications to one of the branches of engineering.

2 days ago

Washington, D.C.

Full time

30+ days ago

Germantown, MD

$133,000–$185,000 / year

Provides estimates for the engineering budget and schedule to meet requirements on large, complex projects + Leads proposal efforts including preparing interdisciplinary scopes and budgets + Implements Quality program for consistency and accuracy of work + Contributes/leads business development efforts + Mentors junior and mid‑level engineers and helps support their technical development; potential for future supervisory duties based on interest and team needs. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

30+ days ago

Baltimore, MD

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management.

30+ days ago

Baltimore, MD

$140,000–$220,000 / year

Qualifications** **Minimum:** + Bachelor’s degree and ten years of relevant experience or demonstrated equivalency of experience and/or education **Preferred:** + Bachelor’s degree in Engineering, Construction Management, or related field + Licensed Professional Engineer (PE) + Familiarity with alternate project delivery methods such as CMAR, Design-Build, and P3 + Multi-disciplined experience to include structural experience. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

30+ days ago

Arlington, VA

Remote

$160,000–$190,000 / year

Provides specialized technical input to supporting staff, acting as a mentor and leader for mid-level engineers + Approves and signs off on work, acting as Engineer of Record + Provides estimates for the engineering budget and schedule a to meet requirements on large, complex projects + Leads technical client relationships and plays a major role in selling **Qualifications** **Minimum Qualifications:** + Bachelor’s degree in Electrical Engineering plus eight (8) years of relevant experience in electrical design and/or electrical engineering, with a focus on data center infrastructure, or demonstrated equivalency of experience and/or education + Professional Engineer License (P.E.) or Professional Engineer Designation (P. Eng) is required **Preferred Qualifications:** + Bachelor’s degree in Electrical Engineering plus ten (10) years of relevant experience in electrical design and/or electrical engineering, with a focus on data center infrastructure, or demonstrated equivalency of experience and/or education + Extensive experience in electrical engineering for data centers or other critical facilities.

30+ days ago

Arlington, VA

Remote

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. The ideal candidate will bring strong technical expertise in large scale concrete and steel structures, a proven track record delivering fast paced technology / industrial projects, and a passion for advancing low carbon and resilient design strategies.

30+ days ago

Chantilly, VA

Learn more about the benefits of joining Team UES and our core values at careers.teamues.com.. Physical Demands & Work Environment:

Work is primarily conducted outdoors with exposure to outdoor conditions, including:
- Sites that may not be accessible by vehicle, requiring travel on foot through wetlands, swamps, grasslands, construction zones, and other uneven or rugged terrain with natural and man-made obstacles such as sand, brush, and debris.

2 days ago

Arlington, VA

AECOM is seeking a creative and highly talented engineer and project manager to lead and manage a variety of water resources, stormwater, and natural resources engineering, planning, and design projects in our Arlington, VA office.

30+ days ago

Arlington, VA

Remote

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. The ideal candidate will bring strong technical expertise in large scale concrete and steel structures, a proven track record delivering fast paced technology / industrial projects, and a passion for advancing low carbon and resilient design strategies.

30+ days ago

Arlington, VA

$87,100–$157,450 / year

li>Proven experience in the military/aerospace hi reliability electronic warfare product development, especially in the area of radiation hardened, space grade FPGA circuit card design,

Subject matter expert in high-speed digital hardware, embedded firmware & software, and miniaturized high-performance systems for EW applications.

The Electronic Warfare Division of Leidos is looking for a FPGA DSP Firmware Engineer to work with a multi-disciplined design team (electrical engineers, systems engineers, scientists, etc) to design, develop, simulate, and integrate challenging DSP FPGA designs and RF sensor systems based on given program requirements.

30+ days ago

Arlington, VA

$131,300–$237,350 / year

Strong technical focus, ability to support team leadership, and establish strong, collaborative working relationships with government customers, technical staff, senior managers, and peers. Work with Experts: Collaborate with a top-tier team of engineers, scientists, and technicians located across the U.S. Shape the Future: Influence and lead both the strategic and tactical direction of next-generation undersea technologies.

26 days ago

$100,000–$130,000 / year

Skills & Abilities Extensive knowledge of concepts, practices, and procedures in structural building engineering Must possess strong technical skills with knowledge of various building structural systems and codes Excellent verbal, written, and interpersonal communication skills Demonstrates excellence in verbal presentations and technical writing Team oriented with strong capability to work independently Robust technical and critical thinking skills Strong project management skills Proactive and self-motivated, with excellent attention to detail and quality Ability to lead and collaborate with a team of staff working remotely Enthusiasm to learn, seek out opportunities, and take responsibility Motivated to mentor junior staff Strong organizational and time management skills Proficiency in the use of structural engineering 3D Finite Analysis and BIM software such as RISA 3D, STAAD pro, SAP2000,RAM Concept, RAM Structural System, MathCAD, Revit, AutoCAD, and Microstation. Responsibilities Develops, organizes, and implements structural planning, analysis, preliminary and final design document preparation for transportation related building structures Supports and mentors junior team members in the development of design plans, technical oversight, specifications, design calculations, load ratings, cost estimates, reports, final bid packages, etc.

30+ days ago

$140,000–$180,000 / year

BS in Civil Engineering or related field • 11-15 years of professional experience in railroad and/or rail transit and engineering design • Clear understanding of railroad and rail transit design requirements including AREMA recommended practices • Familiarity with track, station, layover facility and general civil engineering • Strong capability in use of computer applications including MS Word, Excel, PowerPoint • Capability in the use of project management applications such as MS Project or Primavera PE • License preferred. VHB provides a differentiating employee experience, which includes: • Diverse and inclusive culture of collaboration and innovation • Opportunity to work on complex, transformational projects • Community and social responsibility as sustainable stewards • Focus on learning, development, and career growth • Best-in-class benefits, including flexible, hybrid workplace.

30+ days ago

Hanover, MD

Full time

Kleinfelder is seeking a Civil Engineer (E.I.T) to work with our current team on various development projects in the Mid-Atlantic region, including the challenging & rewarding projects relating to land development and power grid resiliency. Following an offer, candidates will be required to satisfactorily complete employment reference checks, verification of professional licensure and/or educational credentials, a motor vehicle report (MVR), and a comprehensive background check.

30+ days ago

Arlington, VA

p>As a Software Engineer on a multi-disciplinary team, you will apply your knowledge of machine learning algorithms and modeling & simulation building a prototype analysis capability for an inter-agency product development team on high-performance computers.

Company & Division Information: Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.

30+ days ago

Chantilly, Virginia

Full time

7 days ago

Baltimore, MD

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan.

30+ days ago

Germantown, MD

$140,000–$180,000 / year

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. **ReqID:** J10148916 **Business Line:** Water **Business Group:** DCS **Strategic Business Unit:** East **Career Area:** Engineering **Work Location Model:** Hybrid **Compensation:** USD 140000 - USD 180000 - yearly

7 days ago

Arlington, VA

Remote

$140,000–$180,000 / year

We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. **ReqID:** J10154562 **Business Line:** B&P - Buildings & Places **Business Group:** DCS **Strategic Business Unit:** East **Career Area:** Engineering **Work Location Model:** Remote **Compensation:** USD 140000 - USD 180000 - yearly

5 days ago

Arlington, VA

Remote

$110,000–$160,000 / year

Demonstrated experience developing, calibrating, and applying models + Proficiency and experience with one or more platforms: Cube, TransCAD, VISUM, TRANSIMS, DTALite, DynusT, or similar + Ability to develop custom data analysis routines in Python, R, C++, or similar + Proficiency and experience with C++ or demonstrated aptitude and interest in developing modeling-related software components + Experience working with large datasets and model workflows/pipelines + Advanced skills and experience in Excel and data analysis + Experience with GIS platforms (ArcGIS Pro or QGIS) **Preferred:** + Experience with COG/TPB Gen2 Travel Model (trip-based) + Experience or exposure with + Activity-Based Models (ABM) or + COG/TPB Gen3 Travel Model (activity-based) + Experience implementing or supporting travel models for MPOs or DOTs + Master’s or PhD in a related field + 10 years of modeling experience with increasing technical responsibility + Familiarity with federal processes (NEPA, FHWA/FTA guidelines) + Experience with: + Tolling and managed lane modeling + Big data processing (RITIS, StreetLight, Replica, TomTom, etc.) + Cloud environments (AWS, Azure) for model execution + Visualization tools (Power BI, Tableau) + Professional certification (PE, PTP, or AICP) + Hybrid position slightly preferred over remote position + Demonstrated ability and interest in software development beyond scripting, particularly (a plus): + Writing or modifying core modeling code in C++ Improving performance, memory efficiency, or scalability of models **Additional Information** + Relocation is not an option for this position + We are interested in every qualified candidate eligible to work in the United States. **Responsibilities:** + Hands-on development, calibration, validation, and application of travel demand models (trip-based and/or activity-based) + Implement, enhance, and maintain travel-demand models + Apply and refine mode choice models and advanced discrete choice frameworks + Develop and apply dynamic traffic assignment (DTA) and multimodal modeling approaches + Contribute to or develop model components, tools, or extensions in C++ or other high-performance languages, as appropriate + Diagnose and resolve model and code issues, ensuring robust, efficient, and reproducible outputs + Support integration between modeling platforms, scripting environments, and core software components + Lead technical discussions with clients while remaining actively involved in analytical work + Provide technical mentorship through code reviews, modeling guidance, and collaborative problem-solving + Contribute to automation, performance optimization, and workflow improvements + Support proposal development and technical approach writing **Qualifications** **Minimum:** + Bachelor’s degree in Engineering, Transportation Planning, Applied Mathematics, Computer Science, or related field, + 8 years of directly relevant, hands-on experience in travel demand modeling or demonstrated equivalency of experience and/or education.

20 days ago

Reston, VA

$79,900–$119,000 / year

You'll work with a knowledgeable and supportive group of professional staff as you plan and execute field activities including well installation, soil sampling, groundwater sampling, surface water and sediment sampling, and other relevant media; conduct remediation system maintenance; prepare scopes of work for subcontracts; and coordinate with team. We're looking for an Environmental Engineer or Geologist to continue their career at Jacobs \u2013 where we'll empower you to learn and grow in the delivery of environmental site characterization and remediation projects for government and global private-sector clients \u2013 to make our world better.

30+ days ago

Germantown, MD

30+ days ago

Indian Head, MD

$100,000–$120,000 / year

p>This position supports a variety of engineering projects associated with research, development, manufacturing, testing, facility modernization, and technical program execution supporting national defense programs.

Altus Technology Solutions is seeking a Junior Engineer to support engineering, technical, and modernization initiatives at Naval Surface Warfare Center Indian Head Division (NSWC IHD).

27 days ago

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Engineer Scientist Jobs in Washington, DC

SME - Engineer/Scientist/Aviation CSSI Inc

Project Environmental Permitting & Compliance Engineer, Scientist or Manager Langan Engineering & Environmental Services Inc

Engineer Scientist 4 MELE Associates Inc

Energy Technologies Engineer/Scientist Mitre Corp

2026 Graduate - Optics & Photonics Engineer/Scientist Johns Hopkins Applied Physics Laboratory

Administrative Assistant to Chief Engineers & Scientists Johns Hopkins University Applied Physics Laboratory LLC

2026 Graduate - Optics & Photonics Engineer/Scientist Johns Hopkins University Applied Physics Laboratory LLC

Interdisciplinary General Engineer Physical Scientist US Department of Energy

General Engineer/Physical Scientist US Department of Energy

2026 Graduate - Engineer/Scientist - Resilient Military Systems Johns Hopkins Applied Physics Laboratory

Part-Time Senior Engineer/Scientist, TS/SCI Blue Sky Innovators

Research Scientist II - Fire Safety Research Institute UL Research Institutes

Cyber Data Scientist IV Arcfield

Senior Data Scientist Johns Hopkins Applied Physics Laboratory

Senior Data Scientist (TS/SCI cleared) Johns Hopkins Applied Physics Laboratory

Entry-Level Geologist or Environmental Scientist Kleinfelder, Inc.

Geologist or Environmental Scientist Kleinfelder, Inc.

Computer Scientist U.S. Department of Transportation

Principal AI/ML Scientist StratAcuity Staffing Partners Inc

Senior Data Scientist (TS/SCI cleared) Johns Hopkins University Applied Physics Laboratory LLC

Senior Data Scientist Johns Hopkins University Applied Physics Laboratory LLC

Data Scientist Science Applications International Corp

Sr. Data Scientist - Process Modeling Amgen Inc

Senior Staff Environmental Engineer or Scientist Geosyntec Consultants, Inc.

Senior Transportation Roadway Engineer Vanasse Hangen Brustlin Inc

Public Notice for Electronics Engineer (Direct Hire) U.S. Department of Transportation

Fire Protection Engineer U.S. Department of Transportation

Navy Systems and Integration Engineer/Technician Arcfield

Senior Geotechnical Engineer AECOM

Resident Engineer AECOM

Senior Project Engineer - Civil Construction AECOM

Senior Electrical Engineer, Data Centers - Remote (U.S.) AECOM

Senior Structural Engineer, Data Centers - Remote (U.S.) AECOM

Geotechnical Staff Engineer Universal Engineering Sciences

Senior Stormwater Engineer / Project Manager AECOM

Structural Engineer, Data Centers - Remote (U.S.) AECOM

FPGA Firmware Design Engineer Leidos Holdings Inc

Subsea Lead Program Engineer Leidos Holdings Inc

Structural Engineer - Building Design Vanasse Hangen Brustlin Inc

Senior Signal Engineer/Designer Vanasse Hangen Brustlin Inc

Civil Engineer (E.I.T) Kleinfelder, Inc.

Staff Software Engineer - Interagency Modeling & Simulation Prototype (Contingent) Applied Research Associates Inc

Network Engineer Arcfield

Entry-Level Geotechnical Dam Safety Engineer AECOM

Senior Water Conveyance Engineer AECOM

Electrical Engineer, Data Centers - Remote (U.S.) AECOM

Senior Transportation Planner / Engineer – Travel Demand Modeler AECOM

Intermediate Environmental Remediation Field Lead (Engineer/Geologist) Jacobs Solutions Inc

Entry-Level Geotechnical Engineer AECOM

Junior Engineer Altus Technology Solutions

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