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59 principle engineer jobs at 41 companies in Frederick, MD

2mo
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Cost Engineer, Principle
Tysons, Virginia, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
5+ YOEFive+ years with a Master’s degree; multiple advanced degrees/experience combinations; proficient in MS Office and AutoCAD; experience with estimating, project management, and scheduling software.
MS Office, AutoCAD, Estimating Software, Project Management Software, Scheduling Software
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1w
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Principle Senior Mechanical Engineer, Facility Systems
Washington, District of Columbia, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
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2mo
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Cost Engineer, Principle
Tysons, Virginia, United States
$125k-$156k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Designs and builds cyber-physical systems for mission-critical facilities.
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
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2mo
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Azure DevOps Engineer III (Principle) (78176)
Sterling, Virginia, United States
OnsiteFull Time
Centurion Health
Centurion Health: Provides medical and behavioral health services in correctional facilities.
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
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6d
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Engineer
Temple Hills, Maryland, United States
$45k-$65k/yr OnsiteFull Time
McCrea Equipment Company
McCrea Equipment Company: Provides residential and commercial HVAC design, installation, and maintenance.
Bachelor's in Mechanical Engineering required, proficiency in SolidWorks/AutoCAD, understanding of mechanical principles, strong analytical and communication skills.
SolidWorks, AutoCAD
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1w
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Electronics Engineer
Washington, District of Columbia, United States
$128k-$198k/yr OnsiteFull Time
Federal Aviation Administration
Federal Aviation Administration: Regulates civil aviation and manages national air traffic systems.
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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Traffic Design Engineer
Hunt Valley, Maryland, United States
$39-$47/hr OnsiteFull Time
Johnson, Mirmiran & Thompson
Johnson, Mirmiran & Thompson: Provides multidisciplinary engineering, architecture, and technology infrastructure services.
Perform traffic engineering design and analysis using engineering principles, prepare plans and computations, analyze survey data, develop cost estimates, and coordinate with project teams.
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3w
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Spectrum Certification Engineer - 29371
Fort Meade, Maryland, United States
$109k-$140k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
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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1w
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Staff Application Engineer (onsite)
New Freedom or San Antonio or Baltimore
$100k-$140k/yr HybridFull Time
Johnson Controls
Johnson ControlsNYSE: JCI: Provides integrated building technologies including HVAC, fire, and security systems.
10+ YOEBachelor's degree,10+ years experience in HVAC or chiller technology,knowledge of refrigeration principles,proficiency with engineering systems,and up to 15% travel.
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3w
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23354 - Engineer Senior Land Use
Fairfax, Virginia, United States
$110k-$178k/yr OnsiteFull Time
Virginia Department of Transportation
Virginia Department of Transportation: Operates and maintains the state highway network in Virginia.
Apply advanced transportation engineering principles to review complex land development plans, traffic studies, and design waivers; communicate with stakeholders; hold a PE and a degree in civil engineering.
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1mo
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Section Engineer - BGE Gas Transmission Eng
Baltimore, Maryland, United States
$112k-$154k/yr HybridFull Time
Exelon
ExelonNASDAQ: EXC: Electric utility holding delivering energy to customers.
7+ YOEBachelor's in engineering with 7+ years' professional engineering experience (6+ with Master's or PE). Ability to analyze complex gas transmission systems, apply engineering principles, knowledge of regulations and standards; strong communication and leadership skills.
CYMDIST, PSS\\E, Python, PLS-CAD, Pole Foreman, Power BI
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1mo
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Project Engineer, Construction Services
Fairfax or Washington
$125k-$145k/yr HybridFull Time
GFT (Gannett Fleming)
GFT (Gannett Fleming): Provides infrastructure engineering, design, and construction management services.
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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1w
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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
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
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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1d
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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
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
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
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5d
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CHIEF ENGINEER, PAE FOR SHORE INFRASTRUCTURE
Washington, District of Columbia, United States
$186k-$228k/yr OnsiteFull Time
Naval Facilities Engineering Systems Command
Naval Facilities Engineering Systems Command: Provides facilities engineering and infrastructure management for the Navy.
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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1mo
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Principle Solutions Architect , Healthcare & Life Sciences
Boston or Austin or New York or Minneapolis or Herndon or Chicago
$183k-$272k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
10+ YOE10+ years in technology domains, bachelor\u0002s in CS/engineering/mathematics or equivalent, experience designing cloud solutions and technology roadmaps, communicating with C-level, and evangelizing cloud adoption.
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Radar Systems Engineer (Contingent Upon Contract Award)
Washington or Chantilly
OnsiteFull Time
LeoLabs
LeoLabs: Provides orbital intelligence and space domain awareness services.
5+ YOEBachelor's in engineering/physics, 5+ years supporting radar or sensor systems, knowledge of radar principles/RF/signal processing, systems engineering experience, strong analytical and communication skills, U.S. citizenship and ability to obtain security clearance.
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2w
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Chief Engineer, Senior
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
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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1w
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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
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
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
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5d
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Senior Nuclear Surety Systems Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
3+ YOEBachelor in engineering/physics/computer science, 3+ years relevant nuclear surety or analogous safety experience, knowledge of nuclear surety principles, weapon system safety, security, travel availability, and active Secret clearance with ability to obtain Top Secret.
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