208 assistant engineer jobs at 128 companies in Manassas, VA

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Assistant City Engineer
Fredericksburg, Virginia, United States
$90k-$125k/yr OnsiteFull Time
City of Fredericksburg
City of Fredericksburg: Municipal government providing public services and infrastructure in Virginia.
6+ YOEBachelor's in Civil Engineering; 6+ years in engineering; Virginia PE or reciprocal licensure; valid VA driver’s license; DEQ certification within 12 months.
1w
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Mechanical Engineer Assistant
Temple Hills, Maryland, United States
$22-$25/hr OnsiteFull Time
McCrea Equipment Company
McCrea Equipment Company: Provides residential and commercial HVAC design, installation, and maintenance.
Bachelor\u0002s in mechanical engineering required, proficiency with SolidWorks/AutoCAD/CAD, strong analytical and communication skills; EIT/FE advantageous.
SolidWorks, AutoCAD, CAD, Finite element analysis (FEA)
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ASSISTANT BUILDING SERVICES ENGINEER
Hughesville, Maryland, United States
$83k-$108k/yr OnsiteFull Time
Southern Maryland Electric Cooperative
Southern Maryland Electric Cooperative: Distributes and transmits electricity to consumers in southern Maryland.
10+ YOE5+ MgmtTwo-year degree with experience in mechanical, electrical, and plumbing trades; Building Automation Systems and Project Management experience; 10+ years in facilities services, supervision, and budgeting; knowledge of safety and building codes.
Building Automation Systems, HVAC, Electrical, Plumbing, Project Management Software
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Assistant Chief Engineer
Arlington, Virginia, United States
$35/hr OnsiteFull Time
ABM Industries
ABM IndustriesNYSE: ABM: Provides integrated facility management and building maintenance services.
3+ YOE3+ years progressive operations experience preferred; state/local stationary engineer or HVAC license and universal refrigerant recovery required; building automation and MS Office skills; strong communication, coaching, and safety knowledge.
Microsoft Word, Microsoft Excel, Microsoft Outlook, building automation systems
1mo
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Process Engineer (Engineer V)
Lorton or Fairfax
$98k-$163k/yr OnsiteFull Time
Fairfax County
Fairfax County: Providing public administration and services for Fairfax County residents.
5+ YOEBachelor's in engineering/architecture plus 5+ years progressive engineering experience (including 1 year supervisory); Virginia PE or RA, Class I Virginia DPOR Wastewater within 24 months; valid driver's license; background, driving record, and pre-employment medical checks; ability to lift up to 90 lbs with assistance.
GIS
3w
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Assistant Chief Engineer - Critical Environments
Alexandria, Virginia, United States
$95k-$110k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
5+ YOE5+ years data center operations experience, knowledge of power/cooling/network infrastructure, relevant certification (CDCP, DCPRO or equivalent) or PE preferred, familiarity with facility management software and building automation systems.
facility management software, Building Automation Systems
3mo
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Senior Geotechnical Engineer
Rockville, Maryland, United States
$105k-$210k/yr OnsiteFull Time
Schnabel Engineering
Schnabel Engineering: Provides specialized geotechnical, dam, and tunnel engineering services.
10+ YOE10+ years in geotechnical consulting; PE license (MD or another US state); BS in Civil Engineering; strong communication; project leadership and mentorship; relocation assistance.
gINT, LPILE, APILE, SHAFT, OpenGround, Plaxis, GeoStudio, Settle3D, FoSSA
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Lead Software Integration Engineer
Manassas, Virginia, United States
$95k-$106k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
0.5+ YOEBachelor's in Software Engineering or related STEM with 2+ years experience (or Master\u0002s with 6 months); U.S. citizenship; DoD Secret clearance obtainable; experience with Linux, GPU/CUDA, CI/CD, AI-assisted development; strong communication and test/integration skills.
Linux, GPU, CUDA, CI/CD, AI
4w
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ASSISTANT BUILDING ENGINEER
Silver Spring, Maryland, United States
$33-$36/hr OnsiteFull Time
Leisure World of Maryland
Leisure World of Maryland: Manages and maintains a private senior residential community.
5+ YOE5+ years residential building maintenance experience; HVAC, plumbing, electrical, elevator, and fire/sprinkler system work; 3rd Class Engineering License preferred; on-call emergency coverage; strong communication and troubleshooting skills.
2mo
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Software Engineer 3 (AI Assisted Developer Tooling)
Columbia, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
12+ YOEActive TS/SCI with Polygraph, 12 years software engineering experience with a BS in a technical discipline (or equivalent additional experience), proficiency in Python and Java, IDE and developer tooling experience.
Python, Java, VS Code, TypeScript, Electron, CI/CD
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Network Engineer, Foundation & Support
Denver or Reston or Menlo Park
$162k-$227k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
10+ YOE10+ years automation experience in large-scale networking, Linux and Python proficiency, knowledge of Optical/L2/L3, REST APIs, network devices, and experience leveraging AI-assisted tools; Bachelor's in CS or equivalent required.
Linux, REST APIs, Python, Claude, Copilot, Code generation models, C, C++, Go, Rust
3w
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Electrical Commissioning Engineer I
McLean, Virginia, United States
OnsiteFull Time
Bureau Veritas
Bureau VeritasEuronext Paris: BVI: Provides global laboratory testing, inspection, and certification services.
1+ YOE1–2 years related experience; ability to assist with MEP commissioning, testing, design review, reporting; valid driver’s license, CPR/First Aid, OSHA 10, NFPA70E; familiarity with Deltek and Microsoft Office 365.
Deltek, Microsoft Office 365
3mo
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Lead Systems Engineer - Traffic Management
Durham or Miami or Palo Alto or Washington
$15k-$23k/yr HybridFull Time
Nubank
NubankNYSE: NU: Digital financial platform offering banking, credit, and investment services.
Experience operating large-scale cloud distributed systems, Kubernetes, service mesh (Istio/Linkerd/Envoy), AWS networking, IaC with Pulumi or Terraform, strong reliability/observability and AI-assisted workflows.
Kubernetes, Istio, Linkerd, Envoy, Finagle, AWS, ALB, NLB, VPC, Route 53, IAM, Pulumi, Terraform
3w
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Electrical Commissioning Engineer I
McLean, Virginia, United States
$90k-$130k/yr OnsiteFull Time
Bureau Veritas
Bureau VeritasEuronext Paris: BVI: Global leader in testing, inspection, and certification services.
1+ YOE1–2 years related experience; ability to assist in MEP design reviews, develop test/operating procedures, perform static and dynamic MEP testing, prepare reports, and obtain OSHA 10, NFPA70E, and driver’s license.
Deltek, Microsoft Office 365
3w
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Front End Developer
Chantilly, Virginia, United States
$125k-$145k/yr RemoteFull Time
System High
System High: Provides specialized security engineering and protection for national security missions.
3+ YOE3+ years frontend experience with React, Next.js, and TypeScript; scripting with Node.js/Python/Bash; familiarity with AI-assisted tools; strong asynchronous communication and Agile/Scrum experience.
React, Next.js, TypeScript, Node.js, Python, Bash, GitHub Copilot, Cursor, Jira, Linear
4d
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DevOps Engineer
Hanover, Maryland, United States
$96k-$145k/yr HybridFull Time
Allegis Group
Allegis Group: Provides staffing, recruiting, and workforce management services globally.
6+ YOE6+ years in DevOps/SRE/Platform/Operational Engineering, Bachelor's in CS/IS/Engineering, experience with cloud platforms, CI/CD, observability, scripting, APIs, and AI-assisted tooling.
GitHub Copilot, Claude, Google Cloud Platform (GCP), GitHub, GitHub Actions, Salesforce, Python, JavaScript, TypeScript, Java, Apex, Go
1mo
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Assistant Technical Director/ Audio Engineer
Washington, District of Columbia, United States
OnsiteFull Time
Washington National Cathedral
Washington National Cathedral: Historic cathedral providing religious services and community programming.
5+ YOEBachelor's degree in sound design or related field, 5+ years audio/acoustics system development or technical direction, supervisory experience, DAW and digital console (e.g., Yamaha CL3) proficiency, video/streaming experience, acute hearing, ability to lift 60 lb, flexible hours.
Digital Audio Workstations, Digital Audio Consoles, Yamaha CL3, audio mixing consoles, video and streaming technology, plasma monitor system
1mo
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Assistant eLE Developer
Quantico, Virginia, United States
$85k-$95k/yr OnsiteFull Time
Linchpin Solutions: Provides technical services and logistics for tactical defense communications.
3+ YOEActive DoD Secret clearance eligibility, Bachelor's degree or equivalent, 3+ years web development or systems administration, experience with Moodle and LMS operations, Adobe Experience Manager, Microsoft Office, strong communication and critical thinking.
Microsoft Office, Adobe Experience Manager, Moodle, LMS, MarineNet
3mo
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Software Engineer 3 (AI Assisted Developer Tooling)
Columbia, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
12+ YOETS/SCI with Poly, 12 years experience with BS in a technical discipline or 4 years substitute, strong Python/Java, AI tools experience, tooling and platform integration.
Python, Java, IDEs, Developer tools, Build and test systems, AI tools, LLM-powered tools
1mo
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Assistant Chief Building Engineer
Chevy Chase, Maryland, United States
$74k-$100k/yr OnsiteFull Time
CBRE
CBRENYSE: CBRE: Provides global commercial real estate services and investment management.
4+ YOEAssociate degree or equivalent and 4+ years building operations experience, Universal CFC certification, additional trade certifications (HVAC, electrical, plumbing, etc.), strong communication, analytical and financial skills.