70 principle engineer jobs at 47 companies in Herndon, VA
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Principle Engineer - Polymer Materials
Baltimore, Maryland, United States
$130k-$170k/yr OnsiteFull Time
8+ YOEPh.D. in Chemistry, 8+ years in polymer synthesis and advanced composites, expertise in thermosets and nanocomposites, characterization tools, R&D leadership, and U.S. Person status or export authorization.
FTIR, NMR, DSC, TGA, DMA, SEM, ARES G2
3w
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Principle Senior Mechanical Engineer, Facility Systems
Washington, District of Columbia, United States
$118k-$201k/yr OnsiteFull Time
8+ YOEABET-accredited BS in Mechanical Engineering with extensive HVAC/mechanical systems experience, 6–8+ years related professional experience, proficiency with HVAC equipment sizing and codes, desire to attain PE, strong communication skills.
Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft Teams, Trane Trace, Carrier HAP
2mo
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Cost Engineer, Principle
Tysons, Virginia, United States
$125k-$156k/yr OnsiteFull Time
5+ YOEMinimum 5+ years experience (varies by degree), proficiency with AutoCAD and Microsoft Office, estimating and project scheduling experience, blueprint interpretation, and familiarity with electrical equipment and contract documents.
Microsoft Office, AutoCAD, MS Project, P6, Accubid
3mo
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Azure DevOps Engineer III (Principle) (78176)
Sterling, Virginia, United States
OnsiteFull Time
6+ YOESenior DevOps engineer with 6-10+ years of experience in CI/CD, IaC, and cloud platforms; leadership and collaboration across teams; Azure focus.
GitHub Enterprise Actions, Terraform, Ansible, Azure, Kubernetes, PowerShell, Bash, Python
2mo
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Junior Engineer
Indian Head, Maryland, United States
$100k-$120k/yr OnsiteFull Time
1+ YOEBachelor's in engineering, active DoD SECRET clearance, minimum 1 year engineering experience, knowledge of engineering principles, strong analytical and communication skills.
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Engineer
Temple Hills, Maryland, United States
$45k-$65k/yr OnsiteFull Time
Bachelor's in Mechanical Engineering required, proficiency in SolidWorks/AutoCAD, understanding of mechanical principles, strong analytical and communication skills.
SolidWorks, AutoCAD
2w
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Electronics Engineer
Washington, District of Columbia, United States
$128k-$198k/yr OnsiteFull Time
1+ YOESpecialized experience designing or applying engineering principles to airfield electrical systems (lighting, signage, navigational aids), plus an engineering degree or equivalent; U.S. citizenship and college transcripts required.
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Engineer I- Department of Public Works
Baltimore, Maryland, United States
$76k-$126k/yr OnsiteFull Time
Bachelor of Science in engineering required, or master's degree in engineering substitution. Knowledge of engineering principles, technical reporting, investigations, standards, codes, and effective communication required.
2mo
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Bridge Engineer II
Baltimore or Arlington
$78k-$117k/yr OnsiteFull Time
2+ YOEBachelor's degree in engineering with 2 years of relevant experience or master's degree with 1 year. Requires engineering principles, bridge design fundamentals, Microsoft Office Suite, MicroStation, and AutoCAD proficiency.
Microsoft Office Suite, MicroStation, AutoCAD
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Spectrum Certification Engineer - 29371
Fort Meade, Maryland, United States
$109k-$140k/yr OnsiteFull Time
Experience in DoD spectrum management or RF engineering, working knowledge of NTIA and ITU, Microsoft Office proficiency, and demonstrated command of engineering principles.
DD Form 1494, EL-CID, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Mechanical Engineer
Columbia, Maryland, United States
$100k-$140k/yr OnsiteFull Time
1+ YOEBachelor's degree in mechanical engineering or related field, 1–5 years of relevant experience, SolidWorks or similar 3D CAD knowledge, thermal principles, documentation, communication, teamwork, and active Secret clearance.
SolidWorks, Ansys, FloTHERM, COMSOL, 3D CAD, 3D printing, Microsoft Excel
1mo
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GENERAL ENGINEER
Stafford, Virginia, United States
$102k-$158k/yr OnsiteFull Time
1+ YOEMinimum one year specialized experience equivalent to GS-11/NH-02 applying systems engineering principles in defense acquisition programs; expert knowledge in listed functional areas and strong oral/written communication.
1mo
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Project Engineer, Construction Services
Fairfax or Washington
$125k-$145k/yr HybridFull Time
5+ YOEBachelor's in engineering or related plus 5+ years managing large projects (or 7 years experience), Procore proficiency, knowledge of civil/mechanical principles, strong communication, and project controls experience.
Procore, Microsoft 365
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Returning New Grad Engineer I - Winter/Summer 2027 - Mid Atlantic Division (For Current/Former HNTB Interns Only)
Philadelphia or Harrisburg or Charlotte or Whitehall or Pittsburgh or Baltimore or Fairmont or Elkins or Raleigh or North Charleston or Washington or Glen Allen or King of Prussia or Arlington or Scott Depot
$66k-$115k/yr OnsiteFull Time
Bachelor's degree in Engineering; familiarity with Microsoft Office, MicroStation and/or AutoCAD; understanding of engineering principles; EIT preferred; Master's and EIT are preferred.
Microsoft Office, MicroStation, AutoCAD
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Returning Intern Engineer - Summer 2027 - Mid Atlantic Division (For Current/Former HNTB Interns Only)
Philadelphia or Raleigh or Charlotte or Virginia Beach or Scott Depot or Harrisburg or North Charleston or Washington or Pittsburgh or Arlington or Baltimore or King of Prussia
$21-$36/hr OnsiteFull Time
Current enrollment in an accredited post‑secondary engineering program, high school diploma/GED or equivalent; understands basic engineering/math principles and Microsoft Office proficiency.
Microsoft Office
2w
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CHIEF ENGINEER, PAE FOR SHORE INFRASTRUCTURE
Washington, District of Columbia, United States
$186k-$228k/yr OnsiteFull Time
Mastery of advanced engineering principles and portfolio management; authoritative counsel on multi-billion-dollar military construction and facilities programs; ability to balance cost, schedule, and performance under high risk and classified conditions.
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Principal Application Engineer (hybrid)
New Freedom or San Antonio or York or Baltimore
$90k-$120k/yr HybridFull Time
3+ YOEBachelor's degree, 3+ years experience (HVAC or chiller technology preferred), knowledge of refrigeration principles, up to 15% travel.
1mo
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Field Service Engineer (4+ years)
Baltimore or Rochester or St. Louis or Louisville or Pittsburgh or Greenville or Phoenix or Reno or Detroit or Kansas City or Las Vegas or Minneapolis or Tulsa
$60k-$90k/yr FieldFull Time
4+ YOEMinimum 4 years relevant field service or clinical customer support experience, high school or technical education, troubleshooting and repair skills, ability to apply engineering principles, strong communication, willingness to travel up to 75%.
3w
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Chief Engineer, Senior
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Design, deploy, and operate cloud/hybrid and on-prem environments; apply DevSecOps principles; supervise teams; possess TS/SCI with polygraph and bachelor\u0002s degree; obtain specified security certifications within 6 months.
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Staff Radar Systems Development Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or Seattle or London
$110k-$240k/yr OnsiteFull Time
10+ YOEBachelor's in STEM or equivalent,10+ years radar systems experience,expertise in radar principles,signal processing,DSP,RF systems,algorithm development,data analysis;proficiency with Python/MATLAB;ability to lead tests and mentor engineers.
C++, Python, MATLAB, FPGAs, DSPs