222 assistant engineer jobs at 141 companies in Fairfax, VA
2mo
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Assistant City Engineer
Fredericksburg, Virginia, United States
$90k-$125k/yr OnsiteFull Time
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.
2w
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Mechanical Engineer Assistant
Temple Hills, Maryland, United States
$22-$25/hr OnsiteFull Time
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)
19h
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Assistant Resident Engineer (ARE) - Ports
Elizabeth or New York City or Princeton or Massachusetts or Washington or Baltimore
$70-$80/hr FieldFull Time
10+ YOEBachelor's in Civil Engineering, 10+ years of construction inspection or management experience, driver's license, OSHA 30 certification, TWIC eligibility, and eBuilder and Microsoft Office proficiency.
eBuilder, Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft Outlook
5d
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Assistant Chief Engineer
Washington, District of Columbia, United States
$95k-$120k/yr OnsiteFull Time
3+ YOEAssociate degree in electronics or communications preferred, 3+ years in television broadcasting, English fluency, strong communication and organizational skills, and ability to manage multiple priorities and extended hours.
Bit Central, Overdrive, Cambot, ENPS
2mo
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ASSISTANT BUILDING SERVICES ENGINEER
Hughesville, Maryland, United States
$83k-$108k/yr OnsiteFull Time
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
2w
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Assistant Engineer
Frederick, Maryland, United States
$85k-$113k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2+ years related experience (or equivalent); ability to read contract documents and drawings; leadership, communication, and computer proficiency.
Microsoft Office, BIM, LEAN
2w
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Assistant Engineer
Frederick, Maryland, United States
$85k-$113k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2+ years related experience or equivalent; ability to read contract documents and drawings, supervise staff, manage budgets, submittals, and project close-out; Microsoft Office proficiency.
Microsoft Office, BIM, LEAN
6d
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Assistant Engineer/Superintendent - Maryland (New College Grad 2026-2027)
Halethorpe, Maryland, United States
$84k-$95k/yr OnsiteFull Time
2+ YOEBachelor's degree plus two years of related experience or equivalent combination; communication, leadership, Microsoft Office, BIM, LEAN, and contract-document interpretation skills required.
Microsoft Office, BIM, LEAN
2d
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ASSISTANT BUILDING ENGINEER
Silver Spring or Montgomery County
$33-$36/hr OnsiteFull Time
5+ YOERequires 5+ years maintaining residential buildings, including troubleshooting, repairing, and maintaining building systems. Third Class Engineering License preferred; requires communication, problem-solving, and physical maintenance skills.
HVAC
1mo
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Assistant Chief Engineer
Arlington, Virginia, United States
$35/hr OnsiteFull Time
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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Assistant Chief Engineer - Critical Environments
Alexandria, Virginia, United States
$95k-$110k/yr OnsiteFull Time
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
1mo
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Assistant Building Engineer
Baltimore, Maryland, United States
$24-$27/hr OnsiteFull Time
2+ YOEHigh school diploma/GED and 2+ years building maintenance experience; knowledge of HVAC, electrical, plumbing, building automation and energy management; basic Microsoft Office skills; ability to lift 50 lbs, climb ladders; shift work, overtime, and on-call required.
Microsoft Outlook, Microsoft Word, Microsoft Excel
3mo
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ENGINEER - 250 DAY
Prince William County, Virginia, United States
$96k-$156k/yr OnsiteFull Time
Designs, reviews, and approves commercial electrical or mechanical systems; performs site inspections, creates estimates, and assists project managers. Must work in person on site.
2mo
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Software Engineer 3 (AI Assisted Developer Tooling)
Columbia, Maryland, United States
OnsiteFull Time
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
4w
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Electrical Commissioning Engineer I
McLean, Virginia, United States
OnsiteFull Time
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
1mo
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Network Engineer, Foundation & Support
Denver or Reston or Menlo Park
$162k-$227k/yr OnsiteFull Time
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
1d
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Assistant Chief Operating Engineer
Arlington, Virginia, United States
$40-$47/hr OnsiteFull Time
5+ YOERequires 5+ years operating commercial mechanical, electrical, and plumbing systems; high school diploma/GED; EPA Section 608 certification; driver's license; and HVAC, building systems, and maintenance expertise.
Microsoft Outlook, Microsoft Excel, Microsoft Word
3mo
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Lead Systems Engineer - Traffic Management
Durham or Miami or Palo Alto or Washington
$15k-$23k/yr HybridFull Time
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
4w
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Electrical Commissioning Engineer I
McLean, Virginia, United States
$90k-$130k/yr OnsiteFull Time
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
1mo
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Front End Developer
Chantilly, Virginia, United States
$125k-$145k/yr RemoteFull Time
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