Agentic AI Machine Learning Engineer Booz Allen Hamilton IncAgentic AI Machine Learning EngineerWashington, DC$99,000–$225,000 / yearYou Have 3 years of experience as a ML engineer and building production-grade ML solutions including work involving LLMs agents or complex automation frameworks 3 years of experience working within data science or data research in a professional or academic environment and training or deploying models across multiple modalities of data 3 years of experience working in cloud environments including AWS and Azure 2 years of experience deploying and integrating production-grade ML models using tools such as Docker and Kubernetes Experience with Large Language Models LLM Deep Learning DL and Reinforcement Learning RL and with tools and AI agent frameworks such as LangChain LangGraph PydanticAI or llamaindex Experience in connecting Agents to APIs Cloud platforms or databases Experience evaluating LLM performance and building observation layers for stakeholders including Grafana Langfuse LangSmith or Phoenix Experience evaluating architectural tradeoffs and designing robust service-based software applications for scalable use Ability to obtain a Secret clearance Bachelors degree. CareersWhether you love solving problems engineering ideas or building solutions there is a place for you at Booz Allen.arrow-rightCareersarrow-rightSearch Jobsarrow-rightTeams & Missionsarrow-rightLife at Booz Allenarrow-rightBenefitsFlexibilityProfessional Developmentarrow-rightLocationsarrow-rightRecruiting & Networking Eventsarrow-rightMilitary Talentarrow-rightUniversity Talentarrow-rightCandidate Resourcesarrow-rightReturning Applicants.
Cybersecurity Engineer Booz Allen Hamilton IncCybersecurity EngineerArlington, VA$69,400–$158,000 / yearYou HaveExperience securing Cloud infrastructure and applications in AWS GovCloudExperience with ACAS vulnerability scans Nessus Manager and vulnerability mitigation and patchingExperience with C5ISR HBSS EPO McAfee or TrellixExperience with Security Technical Implementation Guides STIGs and applying themExperience with DoD Risk Management Framework and DoD Cloud Computing SRG requirementsExperience decomposing high-level operational requirements into functional definitions verification objectives and full system specifications and identifying enabling and critical technologies constraints and risksKnowledge of ATOs IATTs and ATCsSecret clearanceBachelors degreeand 4 years of experience in cybersecurity or 6 years of experience in cybersecurity in lieu of degreeDoD 8570 IAT Level II Certification. CareersWhether you love solving problems engineering ideas or building solutions there is a place for you at Booz Allen.arrow-rightCareersarrow-rightSearch Jobsarrow-rightTeams & Missionsarrow-rightLife at Booz Allenarrow-rightBenefitsFlexibilityProfessional Developmentarrow-rightLocationsarrow-rightRecruiting & Networking Eventsarrow-rightMilitary Talentarrow-rightUniversity Talentarrow-rightCandidate Resourcesarrow-rightReturning Applicants.
Project Engineer PCL Constructors IncProject EngineerWashington, DCAs a Project Engineer for PCL Civil Constructors, Inc. in Washington, D.C., you'll have the opportunity to [Insert customizable sentence that ties to impact, purpose, or collaboration-e.g., "lead innovative infrastructure projects that shape the future of your community" TIP USE COPILOT TO HELP COMPLETE THIS SENTENCE]. At PCL Civil Constructors, Inc., part of the PCL Family of Companies (PCL), we don't just build projects-we build opportunities, careers and communities.
Structural Engineer Applied Research Associates, Inc.Structural EngineerFort Belvoir, VA$80,000–$110,000 / yearThe ideal candidate will apply subject matter expertise and problem-solving skills to develop, integrate, test, verify, validate, and apply CBRNE software/scenarios based on experiments and predicted phenomena using theoretical and computational methods. COMPANY 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.
Senior Electrical Engineer Applied Research Associates, Inc.Senior Electrical EngineerArlington, VA$105,000–$123,000 / yearThe ideal candidate is comfortable moving between large equipment-level electrical/controls work and PCB and wire harness design, and is capable of owning electrical scope from concept through commissioning on programs supporting federal defense customers. ARA is seeking a Senior Electrical Engineer to support the design, integration, and controls development for large-scale industrial machinery and equipment on advanced manufacturing and defense-related programs.
Structural Modeler Engineer Applied Research Associates, IncStructural Modeler EngineerReston, VAFull timeThe Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc (ARA) is looking to hire a Structural Modeler Engineer to support on-going research and development efforts and develop new business in technologies for functional characterization of WMD facilities and their associated design. 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.
NewSr. Performance Test Engineer CYNET SYSTEMSSr. Performance Test EngineerReston, VA$69–$74 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Electrical Engineer Huitt-ZollarsElectrical EngineerAlexandria, VA$137,000–$148,000 / yearAny unsolicited third-party resumes forwarded by recruiters to any Huitt-Zollars hiring manager or employee will be considered public information, may be treated as a direct application from the person identified in the resume, and will not be eligible for placement fee payment to the agency submitting the unsolicited resume. Huitt-Zollars will not pay a fee to a third-party recruiter or agency that has not coordinated their recruiting activity with the appropriate member of the Human Resources team and without an active, fully executed service agreement.
Senior Structural Engineer Bechtel CorpSenior Structural EngineerReston, VA$140,800–$203,700 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Project Overview: Bechtel''s Infrastructure and Power is an exciting and growing business unit that is actively involved with large scale combined cycle projects and behind-the-meter gigawatt scale microgrids for delivering power to Artificial Intelligence (AI) datacenters.
Engineer II Loudoun CountyEngineer IILeesburg, VA$71,712.66–$125,497.16 / yearLocated in the western part of the Washington, D.C. metropolitan area, Loudoun County is a dynamic community that has experienced significant growth over the past decades with changing development environments, ranging from transit-oriented development at our new Metrorail stations, to redevelopment of existing neighborhoods, to maintaining and fostering our vibrant rural economy in the western part of the county. Bachelor's degree in Engineering or Environmental Sciences from a four-year college or university accredited by the Accreditation Board for Engineering and Technologies; two (2) years of progressively responsible work experience; or equivalent combination of education and experience.
GENERAL ENGINEER - DIRECT HIRE AUTHORITY United States Air ForceGENERAL ENGINEER - DIRECT HIRE AUTHORITYWashington, DC$62,668–$158,756 / yearAdditionally, if you are applying for a higher grade (GS) and your SF-50 has an effective date within the past year, it may not clearly demonstrate you meet the one year time-in-grade requirement so you will need to provide an SF-50 which clearly demonstrates you meet the time-in-grade requirements (examples of appropriate SF-50s include Promotions, Within-grade Grade/Range Increases, and SF-50s with an effective date more than one year old). DR-0801-02: Performs complex, accurate, and technically rigorous model-based analysis of adversary components, nodes, networks and/or systems based on multiple structured and unstructured intelligence datasets to produce targeting solutions in support of joint planning and operational requirements.
NewELECTRICAL ENGINEER-DIRECT HIRE AUTHORITY United States Air ForceELECTRICAL ENGINEER-DIRECT HIRE AUTHORITYWashington, DC$62,688–$158,756 / yearDR-0850-01: With minimal guidance, either individually or as part of a multi- disciplinary team, scopes, tasks and performs complex, accurate, and technically rigorous physics model-based analysis of adversary components, nodes, networks and/or systems based on multiple structured and unstructured intelligence datasets to produce targeting solutions in support of planning and operational requirements. Additionally, if you are applying for a higher grade (GS) and your SF-50 has an effective date within the past year, it may not clearly demonstrate you meet the one year time-in-grade requirement so you will need to provide an SF-50 which clearly demonstrates you meet the time-in-grade requirements (examples of appropriate SF-50s include Promotions, Within-grade Grade/Range Increases, and SF-50s with an effective date more than one year old).
Field Engineer - Electrical Construction Kiewit CorpField Engineer - Electrical ConstructionDCWe offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, paid parental and maternity leave, and generous paid time off. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Resident Engineer Delve UndergroundResident EngineerWashington, DC$120,954–$219,313 / yearDelve Underground is looking for a Resident Engineer with 15-25 years of construction management experience, preferably specializing in tunnels and underground structures, with geotechnical skills and experience as an Owner's Representative. Ability to manage a number of concurrent assignments and priorities, and supervise, train, and mentor construction office personnel, including Office Engineer, Community Liaison, Assistant Resident Engineers, and inspection staff.
Senior Civil Engineer LanganSenior Civil EngineerArlington, VAAssist with the preparation and modification of various engineering documents including reports, specifications, plans, construction schedules, cost estimates and design plans for projects using engineering and design software (AutoCAD, Civil 3D, etc.) and equipment; Use reports, maps, drawings, engineering plans, tests, and aerial photographs to assess soil composition, terrain, hydrological characteristics, and topographical and geologic data and their impact on the planning and design of projects; Familiarity with current local, state, and federal land use permitting is a plus; Collaborate with team members on project tasks and assignments; and. Employees thrive at Langan, a firm that fosters an inclusive and supportive work environment for all; prioritizes wellbeing, health, and safety; encourages volunteerism and philanthropy; offers workplace flexibility, along with carbon-neutral office spaces; and empowers individuals to contribute their skills and knowledge to make impactful contributions.
Senior Registered Structural Engineer - Power Generation Black & Veatch Holding CoSenior Registered Structural Engineer - Power GenerationGaithersburg, MD$170,508–$284,736 / yearTypical roles include being recognized as an industry expert, participating in professional societies by presenting papers, acting as a section lead for a large or complex specialty area, an engineering consultant for larger scale projects. You'll work alongside teams solving complex challenges and turning ideas into solutions that perform in the real world-gaining hands-on experience across projects, technologies, and disciplines.
Assistant Chief Engineer (union) JBG SMITH PropertiesAssistant Chief Engineer (union)Washington, DCManages performance and personnel issues; conducts corrective action meetings with operations manager; performs staff evaluations; develops employee professional development plans; trains and coaches direct reports on job responsibilities and performance; reviews and edits staff evaluations. Intermediate proficiency with Microsoft Windows and Office software (Word, Excel and Outlook) to prepare reports and other operations documentation; general capability with the operation of a PC and mobile communication devices, including Internet browsers.
Cislunar Space Domain Awareness (SDA) Systems Engineer (Technical Oversight) Science Applications International CorpCislunar Space Domain Awareness (SDA) Systems Engineer (Technical Oversight)Chantilly, VA$160,001–$200,000 / yearCandidates experienced as USAF/USSF acquisition officers (AFSC: 63A) or developmental engineers (AFSC: 62E) leading satellite programs in the USSF (SSC), NRO, or SDA, applying the full range of the systems engineering discipline (e.g., Requirements Development, Architecture, SE milestones: SRR, PDR, CDR, etc.), and/or DAWIA/PMI Program Management will be especially well-prepared to excel. Operating within a fast-paced acquisition environment, we benefit from streamlined authorities and direct access to senior Government decisionmakers, enabling us to move quickly and execute aggressive schedules using the most innovative contracting strategies available.
Civil Engineering Project Manager Little CareersCivil Engineering Project ManagerMc Lean, VirginiaTo be considered for this opportunity, please submit your letter of interest and resume to: https://recruiting.ultipro.com/LIT1004LDAC/JobBoard/30702fd2-636e-4886-b1ce-4fc3b07e37ec/Opportunity/OpportunityDetail?opportunityId=c01e7075-3743-4628-bf9a-9313fdb97ad8https://recruiting.ultipro.com/LIT1004LDAC/JobBoard/30702fd2-636e-4886-b1ce-4fc3b07e37ec/Opportunity/OpportunityDetail?opportunityId=2cbbe43c-7fb8-4dcb-bc55-eb71482ebad2 . Little is looking for a Civil Engineering Project Manager with a positive, collaborative work style to join our Land Studio in the Tysons, VA office , in the Washington, DC metro .
Space Science Instrumentation Mechanical Engineer Johns Hopkins University Applied Physics Laboratory LLCSpace Science Instrumentation Mechanical EngineerLaurel, MDOur programs support NASA's science portfolio, including missions such as Parker Solar Probe, DART, Europa Clipper, Dragonfly, and future flagship missions, while also advancing innovative technologies and operational capabilities for Department of War and other national security space missions. We are seeking a Mechanical Engineer ready to take on new challenges as part of our team leading the design, development, integration, and delivery of spaceflight hardware for both civil space exploration and national security missions.
Network Security Engineer (Multiple Levels) Noblis IncNetwork Security Engineer (Multiple Levels)Washington, DC$105,100–$198,575 / yearCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Ideal candidates will have deep understanding of networking, security architecture and design, and experience applying Federal security guidelines (e.g, NIST 800-53, FISMA, etc.) to harden and secure systems.
Senior Compliance Engineer, AI Governance True AnomalySenior Compliance Engineer, AI GovernanceWashington, DC$145,000–$195,000 / yearExtensive, hands-on experience with AI/LLM systems, including practical knowledge of platforms such as OpenAI (GPT-4/o-series), Anthropic Claude, Meta Llama, Microsoft Azure OpenAI Service, and/or comparable commercial and open-source LLM ecosystems. You will architect and operationalize compliance checkpoints and governance gates within LLM pipelines, evaluate AI vendors and platforms (including OpenAI, Anthropic Claude, and others) against classified and unclassified compliance requirements, and ensure AI-driven workflows satisfy both regulatory obligations and internal risk tolerance.
Sr Electrical Engineer (Secret Clearance) System OneSr Electrical Engineer (Secret Clearance)Chantilly, VA$110,000–$170,000 / year10+ years of experience in design and specification of: lighting systems, power systems, fire alarm systems, telecom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Engineer, Water T.Y. Lin International Group LtdEngineer, WaterWashington, DC$81,200–$121,800 / yearThe successful candidate will play a key role in the planning, design, and delivery of municipal water, wastewater, and stormwater systems, with a focus on producing high-quality, practical engineering solutions. TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market.
Senior Engineer Risk Mitigation Consulting LLCSenior EngineerWashington, DC$130,000–$150,000 / yearPosition Summary: The Senior Engineer will provide expertise regarding utilities systems (Including but not limited to electrical power, water, wastewater, natural gas, steam, chilled/hot water, and bulk fuels) such as found on military installations or medium-sized communities. The Engineer must be able to clearly communicate and articulate technical issues to customers and other team members as well as prepare formal presentations and professional written reports, primarily serving clients within the US Navy and United States Marine Corps.
Senior Compliance Automation Engineer True AnomalySenior Compliance Automation EngineerWashington, DC$175,000–$210,000 / yearDevelop webhook-driven integration pipelines that ingest telemetry and compliance signals from diverse source systems, including cloud-native security services, SIEM platforms, vulnerability scanners, configuration management tools, and identity providers, without reliance on manual data collection or polling. Industry certifications such as: Certified Information Systems Security Professional (CISSP), Certified Information Systems Auditor (CISA), Certified in Risk and Information Systems Control (CRISC), CMMC Registered Practitioner (RP) or Certified Professional (CP), AWS Certified Security - Specialty, Microsoft Certified: Azure Security Engineer Associate, or CompTIA Security+.
Civil or Geotechnical Engineer Geosyntec Consultants, Inc.Civil or Geotechnical EngineerColumbia, MarylandFull timeEssential Duties and Responsibilities: Civil design, landfill and transfer station design, stormwater design, and site layout; Engineering analyses such as slope stability, hydrologic and landfill gas modeling, seismic, and seepage; Preparation of permit applications, design calculations, drawings, technical specifications, and permit applications; Fieldwork associated with investigation, design and construction services; Small to mid-size project/task management; Apply an understanding of local, state and federal regulations related to solid waste and stormwater to tasks; Assistance with the development of proposals and other business development activities; Driving personal, company, and rental vehicles to client or company project or office sites, and other business locations, as needed. . The position will apply engineering or geology skills to projects involving landfills, transfer stations, surface impoundments, geologic and hydrogeologic investigations, solid waste planning, and other solid waste management systems while further developing the business skills needed for a successful consulting career.
Network Security Engineer Noblis IncNetwork Security EngineerWashington, DC$105,100–$164,125 / yearCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Proven experience with hands-on network engineer or architecture and understands network design, configurations, firewalls, VPNs, IDS/IPS, and load balancing.
Mechanical Engineer Bechtel CorpMechanical EngineerReston, VA$106,900–$154,700 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. We are committed to being a company where every colleague feels that they belong-where colleagues feel part of "One Team," respected and rewarded for what they bring, supported in pursuing their goals, invested in our values and purpose, and treated equitably.
2026 University Hire (U.S.) - Civil/Structural Engineer Bechtel Corp2026 University Hire (U.S.) - Civil/Structural EngineerDC$77,856–$93,432 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. We are committed to being a company where every colleague feels that they belong-where colleagues feel part of "One Team," respected and rewarded for what they bring, supported in pursuing their goals, invested in our values and purpose, and treated equitably.
NewConstruction Project Manager - Industrial Projects System OneConstruction Project Manager - Industrial ProjectsArlington, VA$110,000–$160,000 / yearThis role is primarily focused on Water and Wastewater treatment facilities , with additional project exposure including manufacturing plants, production facilities, and data centers across a variety of industries. The Project Manager is responsible for the overall planning, execution, financial performance, and successful completion of one large project or multiple smaller projects simultaneously.
Space Operations Engineer The Aerospace CorpSpace Operations EngineerSuitland, MD$117,300–$175,900 / yearThis support includes interfacing with Aerospace and customer program management, leading and/or performing enterprise level trade studies and analysis, requirements definition/analysis, integration and test, ground system evolution and technology insertion, mission operations, and the transition of ground-based capabilities to next generation systems including enterprise ground implementations. Building on The Aerospace Corporation's reputation as a trusted, impartial advisor with integrity and dedication to mission success, the Civil Systems Group (CSG) combines deep technical expertise with market-leading innovation to help our customers solve complex systems engineering and integration challenges.
Project Manager Traffic Engineering Kimley-Horn and Associates IncProject Manager Traffic EngineeringReston, VAManage their projects profitably, engage in hands-on practice and delivery of projects, transition work to qualified staff, and act as a positive leader and mentor. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn's placement on the Fortune "100 Best Companies to Work" list for 19 years!
Project Manager Transportation/Traffic Kimley-Horn and Associates IncProject Manager Transportation/TrafficReston, VAPerform traffic engineering and project management tasks to deliver a wide variety of transportation planning, transit, traffic engineering, safety, and intelligent transportation systems (ITS) projects for many, diverse clients. Manage their projects profitably, engage in hands-on practice and delivery of projects, transition work to qualified staff, and act as a positive leader and mentor.
Senior Automation and Controls Engineer CDM Smith IncSenior Automation and Controls EngineerFairfax, VAAs a key member of the Automation team, you will contribute to CDM Smith's mission by: • With high-level goals provided, creating basic to highly complex instrumentation, controls and related systems designs by developing Process and Instrumentation Diagrams (P&IDs) and giving direction to junior staff who utilize 3D and 4D drafting programs. In addition, during employment individuals may be required by CDM Smith or a CDM Smith client to successfully complete additional background checks, including motor vehicle record as well as drug testing.
Electrical Engineer Leidos Holdings IncElectrical EngineerReston, VA$107,900–$195,050 / yearAdditional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Electromagnetic Simulation Engineer The Aerospace CorpElectromagnetic Simulation EngineerChantilly, VA$129,000–$249,600 / yearAbility to architect and deploy custom computational tools for automated parametric simulation generation, sophisticated post-processing of EM simulation and measurement data (polarization transformations, wideband imaging algorithms, image reconstruction and editing), and maintainable, extensible toolchains that accommodate evolving satellite communications program requirements. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.
Space Domain Awareness Modeling & Analysis Engineer The Aerospace CorpSpace Domain Awareness Modeling & Analysis EngineerChantilly, VA$129,000–$249,600 / yearThe Sensor Modeling and Simulation Department (SMSD) supports all aspects of advanced remote sensing system development: designing and assessing the performance of optics and electro-optical focal plane arrays, modeling the end-to-end sensing system, simulating target scenes and atmospheres, developing innovative data processing and computer vision algorithms, and producing simulated data products for new applications. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers.
Senior Software Engineer II DoubleVerifySenior Software Engineer IIWashington DC, DC$107,000–$193,000 / yearRockerbox empowers marketing executives to confidently make data-driven decisions, helping brands such as Tula, Figs, and Burton with the strategic decision-making that drives growth. You’ll partner closely with product managers to define requirements, design intuitive data endpoints, and deliver seamless integrations between backend services and user interfaces.
Lead Electrical Engineer (Mission Critical/Data Center) WSP Global IncLead Electrical Engineer (Mission Critical/Data Center)Herndon, VA$149,000–$182,000 / yearOur mechanical, electrical, plumbing, fire protection, controls, telecommunications, and security building system designs keep many of the world's top Fortune 100 financial, technology, enterprise, hyperscale, and colocation companies up and running 24 hours a day, 365 days a year. As a Lead Electrical Engineer with us, you will design complex power and other building systems including generator plants, medium voltage distribution, uninterruptible power systems, lighting, fire alarm, and grounding while leading projects and a team of electrical engineers.
Wastewater Design Engineer T.Y. Lin International Group LtdWastewater Design EngineerWashington, DCNear term assignments in the region could include Business and client development; water and wastewater infrastructure and facilities planning and design; studies and modeling; preparation of engineering reports; support services during construction; and a variety of other related assignments. Technical excellence in planning studies, preliminary designs, final designs, asset management, program management, bid assistance and office services during construction for water and wastewater infrastructure and facilities.
Cost Engineer / Estimator GFT Infrastructure IncCost Engineer / EstimatorFairfax, VA$140,000–$160,000 / yearThis position will work directly with the Senior Substation Estimator, Project Managers, Engineers, and Construction Managers to develop construction cost estimates, support procurement activities, maintain cost databases, review contractor pricing, and assist with project forecasting and financial management. This role is ideal for a developing estimator with utility, industrial, heavy civil, electrical, or construction experience who is looking to build expertise in transmission and substation infrastructure projects.
Engineer Risk Mitigation Consulting LLCEngineerWashington, DC$115,000–$125,000 / yearPosition Summary: The Engineer will provide expertise regarding utilities systems (Including but not limited to electrical power, water, wastewater, natural gas, steam, chilled/hot water, and bulk fuels) such as found on military installations or medium-sized communities. The Engineer must be able to clearly communicate and articulate technical issues to customers and other team members as well as prepare formal presentations and professional written reports, primarily serving clients within the US Navy and United States Marine Corps.
Senior Structural Engineer Thornton TomasettiSenior Structural EngineerWashington DC, WashingtonIndividuals seeking employment at Thornton Tomasetti are considered without regards to age, ancestry, color, gender (including pregnancy, childbirth, or related medical conditions), gender identity or expression, genetic information, marital status, medical condition, mental or physical disability, national origin, protected family care or medical leave status, race, religion (including beliefs and practices or the absence thereof), sexual orientation, military or veteran status, or any other characteristic protected by federal, state, or local laws. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future.
NNSA Defense Programs Senior Project Engineer The Aerospace CorpNNSA Defense Programs Senior Project EngineerCrystal City, VA$151,300–$226,900 / yearThe NNSA Defense Programs Engineer (Senior Project Engineer - Nuclear and Systems Engineering) will deliver specialized systems engineering program management and digital engineering talent essential to NNSA Office of Technology Maturation R&D mission success by developing and executing analytical studies supporting SE&I, program management and analysis, technology assessment activities requirements engineering, and risk management. Experience in systems engineering, program controls and quality within the Nuclear Security Enterprise, including flow-down requirements, interface definition, resource loaded schedules, documentation repositories, change control processes, system performance analysis, programmatic risk management, cost/schedule/performance trades, and technology development investment analyses and assessments for nuclear weapons programs or supporting infrastructure.
RF and Antenna Engineer - Eng Specialist/Sr Eng Specialist The Aerospace CorpRF and Antenna Engineer - Eng Specialist/Sr Eng SpecialistChantilly, VA$129,000–$249,600 / yearAs the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. We leverage this deep knowledge to develop satellite payloads, advanced signal collection methods, new modulation schemes, testbed environments, and innovative approaches to antenna design, characterization, and measurement.
Cybersecurity AI/ML Engineer Booz Allen Hamilton IncCybersecurity AI/ML EngineerMcLean, VA$77,600–$176,000 / yearWhat You'll Work On: Design, build, and deploy production AI/ML services for cybersecurity, including supervised and unsupervised detection models, anomaly and behavioral analytics, NLP on security text, retrieval-augmented generation (RAG) pipelines, agentic workflows, and LLM-assisted analyst tooling and own them end-to-end, data ingest feature pipelines training and tuning packaging deployment serving monitoring retraining. Experience developing, testing, and integrating ML services across security tools and platforms using APIs, automation, and workflow orchestration and applying AI and machine learning to cybersecurity use cases such as threat and anomaly detection, behavioral analytics, alert triage and prioritization, threat hunting support, analyst copilots, and response automation with measurable impact on SOC outcomes.
Cybersecurity Ai/Ml Engineer Booz Allen Hamilton Inc.Cybersecurity Ai/Ml EngineerMclean, VA$99,000–$225,000 / yearWhat You'll Work On: Design, build, and deploy production AI/ML services for cybersecurity, including supervised and unsupervised detection models, anomaly and behavioral analytics, NLP on security text, retrieval-augmented generation (RAG) pipelines, agentic workflows, and LLM-assisted analyst tooling and own them end-to-end, data ingest feature pipelines training and tuning packaging deployment serving monitoring retraining. Experience developing, testing, and integrating ML services across security tools and platforms using APIs, automation, and workflow orchestration and applying AI and machine learning to cybersecurity use cases such as threat and anomaly detection, behavioral analytics, alert triage and prioritization, threat hunting support, analyst copilots, and response automation with measurable impact on SOC outcomes.
Mid-Level OT/IT Network & Cybersecurity Engineer Leidos Holdings IncMid-Level OT/IT Network & Cybersecurity EngineerMcLean, VA$110,000–$130,000 / yearTwo closely related primary disciplines, in priority order, with testing and experiment support woven through both: OT/IT Network Engineering & Testbed Operations - design, build, operate, and secure the networks and physical testbed infrastructure underpinning the lab's connected-vehicle and infrastructure research. Design, build, and operate the OT/IT networks underpinning the testbeds - VLAN segmentation, firewall/ACL and routing, wireless distribution, the fiber/copper cabling plant, and backhaul to field-deployed roadside units (RSUs), edge nodes, and remote sites (C-V2X PC5/Uu, 5G NR, Wi-Fi).
Digital Systems Engineer The Aerospace CorpDigital Systems EngineerChantilly, VA$86,600–$129,800 / yearThe Digital Systems Engineering Department (DSED), part of SED, is charged with helping our customers successfully adopt, integrate, and utilize digital system models, methods, tools, and best practices as part of their systems realization lifecycle processes through DE and MBSE research & development, prototyping, studies, independent assessments, training, and advisory functions. Develop and analyze digital system engineering models of various types at different levels of fidelity using a range of modeling languages, methods, and tools to support programs that acquire, operate, and manage complex space, ground, launch, air defense, and nuclear security systems.