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From stadiums to manufacturing facilities, power plants to hospitals, concert halls to classrooms, we handle projects of all sizes and complexity from multiple regional locations across the country. As one of the country's leading mechanical contractors, Harris offers you the best of both worlds: the stability, resources and opportunities of a national company, and the team culture, creative spirit and customer loyalty of a local business.

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Harris Companies

Stress Analysis Engineer

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ADAPTED_NOW

TENICA provides knowledgeable and experienced subject matter experts to perform a variety of professional services, logistics and supply chain management, crisis prevention and response, and information technology solutions to solve dynamic security challenges. Founded in 2008 and based in Alexandria, Virginia, TENICA is a Service Disabled Veteran Owned, Woman Owned, Small Business (SDVOB and WOSB) and is a participant in the Small Business Administration’s 8(a) business development program.

TENICA and Associates LLC

Cyber Security Project Engineer FSP

The ideal candidate will have a degree in civil engineering, construction management, or another related field and is willing to travel and work the days and hours required to ensure the projects success. You will assist the project management team with tasks such as negotiating and purchasing materials, maintaining documents, and acting as a point of contact with owners, architects, and engineers.

Garney Construction

Project Engineer - Pipe

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In this role, you will develop accurate cost estimates, prepare technical and commercial proposals, support customer engagement activities, and collaborate with engineering, sales, and operations teams to deliver technically sound and commercially competitive solutions. To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to: - Undergo additional background screens and/or drug/alcohol testing for customer credentialing.

<p>A trusted partner for millions of customers, Ecolab (ECL) is a global sustainability leader offering water, hygiene and infection prevention solutions and services that protect people and the resources vital to life. Building on a century of innovation, Ecolab has annual sales of $15 billion and more than 48,000 associates, Ecolab delivers comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets in more than 170 countries around the world.</p> <p>When you come to work at Ecolab, you get to take on some of the world’s most meaningful challenges and have the opportunity to learn and grow, shape your career, make an impact and quickly see the importance of your work.</p> <p>For more Ecolab news and information, visit www.ecolab.com. Follow us on Twitter @ecolab, Facebook at facebook.com/ecolab, LinkedIn at Ecolab or Instagram at Ecolab Inc. To explore career opportunities at Ecolab, visit jobs.ecolab.com.</p>

Ecolab

Applications & Estimating Engineer

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CityStateCountryBirminghamAlabamaUnited StatesMontgomeryAlabamaUnited StatesLittle RockArkansasUnited StatesTempeArizonaUnited StatesIrvineCaliforniaUnited StatesSacramentoCaliforniaUnited StatesSan DiegoCaliforniaUnited StatesSan FranciscoCaliforniaUnited StatesDenverColoradoUnited StatesWethersfieldConnecticutUnited StatesWashingtonDistrict of ColumbiaUnited StatesCape CanaveralFloridaUnited StatesFort LauderdaleFloridaUnited StatesJacksonvilleFloridaUnited StatesNaplesFloridaUnited StatesNorth Miami BeachFloridaUnited StatesOrlandoFloridaUnited StatesPalm Beach GardensFloridaUnited StatesPensacolaFloridaUnited StatesSarasotaFloridaUnited StatesTampaFloridaUnited StatesWest Des MoinesIowaUnited StatesBoiseIdahoUnited StatesChicagoIllinoisUnited StatesFort WayneIndianaUnited StatesIndianapolisIndianaUnited StatesLawrenceKansasUnited StatesFort CampbellKentuckyUnited StatesLouisvilleKentuckyUnited StatesBaton RougeLouisianaUnited StatesBostonMassachusettsUnited StatesBaltimoreMarylandUnited StatesRockvilleMarylandUnited StatesSilver SpringMarylandUnited StatesTroyMichiganUnited StatesKansas CityMissouriUnited StatesSt. At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Jacobs Solutions Inc

Senior Civil Design Engineer Data Centers

In this role, you will be responsible for designing electrical systems for a variety of building projects including commercial, healthcare, laboratories, educational, institutional, and transportation facilities. Design electrical systems including power distribution, lighting, lighting controls, switchgear, emergency power, fire alarm, and other low-voltage systems.

Career Collective

Electrical Engineer

CityStateCountryNew YorkNew YorkUnited StatesMorristownNew JerseyUnited StatesPhiladelphiaPennsylvaniaUnited StatesWashingtonDistrict of ColumbiaUnited StatesBaltimoreMarylandUnited StatesRestonVirginiaUnited StatesRichmondVirginiaUnited StatesAtlantaGeorgiaUnited StatesNashvilleTennesseeUnited StatesTampaFloridaUnited StatesNorth Miami BeachFloridaUnited StatesOrlandoFloridaUnited StatesDallasTexasUnited StatesAustinTexasUnited StatesTempeArizonaUnited StatesLos AngelesCaliforniaUnited StatesSan DiegoCaliforniaUnited StatesSan FranciscoCaliforniaUnited StatesMilwaukeeWisconsinUnited StatesChicagoIllinoisUnited StatesColumbusOhioUnited StatesDenverColoradoUnited StatesTulsaOklahomaUnited StatesFargoNorth DakotaUnited StatesAlbuquerqueNew MexicoUnited StatesBellevueWashingtonUnited States. The final candidate could be located near any Jacobs' office across the US including but not limited to: New York, New York, Morristown, NJ, Philadelphia PA, Washington DC, Baltimore, MD, Reston or Richmond, VA, Atlanta, GA, Nashville, TN, Tampa, Fort Lauderdale, Miami or Orlando, FL, Dallas or Austin, TX, Tempe, AZ, Bellevue, WA, Los Angeles, San Diego, San Francisco, CA, Milwaukee, WI, Chicago, IL, Columbus, OH, Denver, CO, Tulsa, OK, Fargo, ND and Albuquerque, NM.

Senior Movable Bridge Engineer Electrical

Primary Responsibilities: Develop low-level infrastructure designs from approved architectural concepts, including rack elevation drawings, wiring lists, port/patch-panel assignments, cable schedules, and bills of material. Preferred Qualifications: Experience with AI-assisted engineering workflows and tool-building (e.g., Claude Code, Copilot, custom automation leveraging large language models for documentation generation, validation, or data extraction).

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Lead Systems Engineer

Complete Building Services is a facility management company that partners with major hotel brands Marriott, Hilton, Holiday Inn, and Cambria. We pride ourselves on our collaborative culture, which starts with our interview process and continues through to your day-to-day role, regular corporate get-togethers, potluck breakfasts/lunches, and office contests, to name a few.

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Complete Building Services Inc

Chief Engineer/Hotel

CloudRig will transform the working lives of the 100,000 people who build our critical infrastructure, and, in turn, the hundreds of millions who rely on this infrastructure to open new businesses, go to work, travel, see friends and family, and climb the socioeconomic ladder. We’re a venture-backed software company building a modern construction management platform to help infrastructure construction companies win more jobs and deliver them on time and under budget.

CloudRig

Founding Engineer

Service Excellence: Working knowledge of customer service concepts and techniques; ability to meet or exceed customer needs and expectations and provide excellent service in a direct or indirect manner. In this role, you will deliver automation and control solutions for complex power systems, working both independently and collaboratively to execute retrofit and new system projects from concept through commissioning.

Caterpillar is a driving force in logistics, automation, financial services, power generators and many other industries. No matter what we do, our commitment to excellence in every aspect of our business has made the name Caterpillar a symbol of strength, respect and integrity all over the world. Caterpillar is a global company with opportunities to travel and work at locations across the US and abroad. We have manufacturing facilities in 21 countries, marketing headquarters in 11 countries and distribution centers in 19.

Caterpillar

Electrical Engineer - Critical Power Systems (Remote)

Integrated Modeling (IM) and Structural Thermal Optical Performance (STOP) analysis including MATLAB and Python programming for custom code generation and maintenance to recover flight system optical performance metrics from mechanical distortions for both steady state and transient cases, including, but not limited to, wavefront error (both RMS and Zernike polynomial breakdown), pupil shear and clocking, and angle of incidence. This position would provide structural engineering, analysis, and test support for a wide range of cutting edge and exciting aerospace projects including space telescopes, earth science satellites, Mars, Moon and asteroid science missions, robotic servicing missions, and associated mechanical ground support equipment.

<p>When you become part of the When you become part of the KBR team, your opportunities are endless. As a leading global technology, engineering, procurement and construction company serving the hydrocarbons and government services industries. For decades it has been the company that customers turn to for their most challenging assignments.
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With operations in 40 countries, KBR has more than 25,000 people delivering services to customers in over 70 countries. Together they represent an unmatched reservoir of talent and experience in a wide range of markets.
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Whatever the assignment, no matter how complex or demanding, KBR can marshal resources across every product line to respond quickly and effectively to changing markets and customer needs.
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Whether it's providing the technology and consulting know-how to develop our customers' valuable assets; designing and constructing the infrastructure and facilities to develop energy resources in some of the world's more remote and challenging locations; providing support and services for men and women of their countries' armed forces; or navigating the intricacies of undertaking major projects in geopolitically or culturally sensitive environments, our clients depend on KBR because they know that <b>We Deliver.</b>
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Join us and you'll be part of a dynamic, elite team of professionals who understand what it takes to get a job done and has the experience, knowledge and determination to succeed.”</p>

Senior Structural Analysis Engineer

This role demands experience in maintaining and repairing heavy construction and agricultural equipment, diagnosing complex mobile system failures, and performing necessary repairs and modifications in both laboratory and field settings. The successful candidate will provide critical support to the HD Program engineering staff in the design, construction, systems integration, testing, and deployment of mechanical demining systems.

Fibertek Inc

Mechanical Engineer

The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities. Where pay ranges are indicated, please note that a successful candidate's exact pay will be determined based relevant job-related factors, including any of the following: candidate's experience, skills, and qualifications, as well as geographic and market considerations.

Legence Corp

Data Engineer

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. Strategic Technology Consulting (STC), an Arcfield Company, is seeking a seasoned Naval Systems Engineer to support U.S. Navy submarine and shipbuilding programs at the Washington Navy Yard in Washington, DC.

Rite-Solutions Inc

Naval Systems Engineer

FULL_TIME

The Acoustic Engineer will support the Acoustics Systems Integration Team and work closely with Navy program leadership, technical stakeholders, Systems Integration Teams (SITs), and NAVSEA Technical Warrant Holders. iQuasar is seeking an experienced Acoustic Engineer to provide technical and programmatic engineering support to the U.S. Navy's PMS 450 VIRGINIA Class Submarine Program Office at the Washington Navy Yard in Washington, DC.

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<p>iQuasar is a technology services company based out of greater Washington, D.C. that has been in the business for more than a decade. We are experienced in working with Federal, State, and Local Governments as well as Commercial customers. Our employees and contractors have served customers like the Federal Reserve Board, United States Patent and Trade Office (USPTO), Comcast Cable, Frontier Wireless, T-Mobile, IBM, Departments of Transportation & Treasury, and Commonwealths of VA & PA, among many others.</p>
<p>We have strong capabilities in Program/ Project Management, Application & System Development/Administration, Help Desk, Cloud, Business Process Design, and Cybersecurity. We are an authorized Microsoft, Amazon Web Services, and Google partner. We provide Information Technology services to our broad customer base and proposal development and recruitment process outsourcing services to our government contractor customers.</p>
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IQUASAR LLC

Acoustic Engineer

PlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. You’ll play a critical role in driving customer success by translating business and technical requirements into engineered solutions, ensuring opportunities progress smoothly while delivering a best-in-class customer experience.

Digital Realty Trust

Sr. Global Solutions Engineer

Ivy Exec

Responsibilities: As a Maintenance Engineer with Hines, you will maintain basic operation and maintenance of all building equipment and systems by routinely reviewing operating conditions and established programs with Supervisor to understand and resolve any abnormal operating issues. Perform preventive maintenance and repairs on all mechanical, electrical, plumbing and HVAC systems including, but not limited to pumps, chillers, boilers, air compressors and air handling units.

Hines

Maintenance Engineer

[AW]-iCims

In this role, you'll work closely with our engineers and mission teams to tackle complex business problems using emerging AI technologies - specifically by extracting and linking critical entities to build and curate scalable graph databases and knowledge bases. What you will do in this role: As a Knowledge Graph Software Engineer at BTI360, you will: Lead end-to-end knowledge graph and knowledge base development efforts from problem definition to production, designing pipelines that extract, normalize, link, and organize information into scalable graph-based systems.

BTI360

Knowledge Graph Software Engineer - Clearance Required

Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants. Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants.

Project Engineer Jobs in Reston, VA

Stress Analysis Engineer Harris Companies

Cyber Security Project Engineer FSP TENICA and Associates LLC

Project Engineer - Pipe Garney Construction

Applications & Estimating Engineer Ecolab

Senior Civil Design Engineer Data Centers Jacobs Solutions Inc

Electrical Engineer Career Collective

Senior Movable Bridge Engineer Electrical Jacobs Solutions Inc

Lead Systems Engineer Leidos Holdings Inc

Chief Engineer/Hotel Complete Building Services Inc

Founding Engineer CloudRig

Electrical Engineer - Critical Power Systems (Remote) Caterpillar

Senior Structural Analysis Engineer KBR

Mechanical Engineer Fibertek Inc

Data Engineer Legence Corp

Naval Systems Engineer Rite-Solutions Inc

Acoustic Engineer IQUASAR LLC

Sr. Global Solutions Engineer Digital Realty Trust

Maintenance Engineer Hines

Knowledge Graph Software Engineer - Clearance Required BTI360

Quality Assurance Engineer - AI Automation Kastle Systems

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