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236 lead system engineer jobs at 117 companies in Longmont, CO

1mo
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Sr. Lead System Engineer
Englewood, Colorado, United States
$116k-$209k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOERequires advanced engineering experience (typically 8+ years), supervisory experience, active Top Secret/TS-SCI clearance, BS/MS/PhD in engineering or related field (or equivalent experience), MBSE experience and familiarity with Cameo/Magic Draw, DOORS, and Atlassian tools.
Cameo, Magic Draw, DOORS, Atlassian, JIRA, Confluence
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1mo
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Lead System Engineer
Orlando or Tampa or Lakeland or Melbourne or Daytona Beach or Las Vegas or Denver or Houston
$70-$75/hr RemoteFull Time, Contract
CAI
CAI: Provides global IT services and contingent workforce management solutions.
7+ YOE2+ Mgmt7+ years full‑stack development, 2+ years lead experience; hands‑on with Oracle/PL‑SQL, APIs/integrations, Microsoft Azure (.NET), Angular, Python; DevOps/CI/CD; experience with AI tools; strong client communication; must have work authorization not requiring sponsorship.
Oracle, PL/SQL, APIs, Microsoft Azure, .NET, Angular, Python, GitHub Copilot, Azure OpenAI, TestGPT, Docker, Kubernetes, CI/CD
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3w
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System Safety Engineering Lead
Littleton, Colorado, United States
$109k-$193k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience in engineering lifecycle, requirements derivation/decomposition/verification, contractual requirements execution; active Top Secret clearance and US citizenship required; BS in engineering or equivalent preferred; subject matter expert in system safety.
MIL-STD-882E
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2mo
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Lead Electrical Engineer, BESS
Englewood, Colorado, United States
$110k-$130k/yr OnsiteFull Time
Westwood Professional Services
Westwood Professional Services: Engineering and design services for infrastructure and energy projects.
4+ YOELead Electrical Engineer to manage design of Battery Energy Storage System (BESS) projects, supervising electrical engineering, budgeting, and client coordination.
AutoCAD, Power system modeling software, NEC, NESC
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2d
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Team Lead - Power System Studies (Utilities)
Lakewood, Colorado, United States
$100k-$160k/yr HybridFull Time
NEI Electric Power Engineering
NEI Electric Power Engineering: Engineers high-voltage electrical infrastructure and renewable energy systems.
5+ YOEBachelor's in electrical engineering, 5+ years relevant experience, FE required (PE preferred), familiarity with distribution and protection equipment, experience with power system analysis software, strong communication and leadership, US work authorization required.
PowerFactory, ETAP, SKM Power Tools, Easypower, Aspen, Windmil, CAPE, CDEGS, WinIGS, PSSe, PSLF, Cymcap, PSCAD, SCADA
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3mo
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Lead Engineer
Broomfield, Colorado, United States
$36-$43/hr OnsiteFull Time
Lowe
Lowe: National real estate investment, development, and management firm.
8+ YOEEight+ years' experience in electrical, HVAC, or related systems; strong MEP/HVAC, BAS, CMMS knowledge; leadership and project management skills; able to interpret technical drawings; customer-service oriented.
Building Automation Systems (BAS), CMMS, Microsoft Office, Energy management platforms
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2mo
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Lead Electrical Engineer
Aurora, Colorado, United States
OnsiteFull Time
RK Industries
RK Industries: Provides integrated construction, manufacturing and building maintenance services.
8+ YOESenior electrical engineer with 8+ years in critical power systems; US citizenship; UPS, switchgear experience; AutoCAD/Revit; NEC/NFPA/UL/IEEE knowledge.
AutoCAD, Revit
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Lead Systems Engineer, Battlespace
Broomfield, Colorado, United States
$144k-$191k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE1+ Mgmt8+ years hardware/software systems engineering; 1+ year people management; MBSE tools; Python; statistics/AI/ML; U.S. Secret clearance eligible; travel up to 25%.
MBSE, JAMA, Cameo, Matlab, Simulink, AFSIM, Python, Linux
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1w
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Thermal Protection System Lead
Seattle or Cape Canaveral or Denver or Los Angeles
$120k-$183k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
7+ YOEBS in mechanical/aerospace engineering,7+ years thermal engineering experience,thermal materials and testing experience,hardware V&V familiarity,NASA program experience and strong leadership skills required.
Thermal Desktop, Sinda/Fluint, Design of Experiments (DOE)
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5d
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Staff Mission Lead Systems Engineer
Washington D.C. or Virginia or Denver
$194k-$230k/yr RemoteFull Time
Muon Space
Muon Space: Designs, builds, and operates low Earth orbit satellite constellations.
10+ YOEBS+ in engineering and 10+ years experience in complex mission/spacecraft design; technical lead experience for high‑rigor government or commercial programs; requirements, systems modeling, integration, and customer-facing skills; active TS/SCI clearance.
Cameo Systems Modeler, Python, Julia
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2mo
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Lead Power Systems Engineer 2
Westminster, Colorado, United States
$135k-$206k/yr HybridFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
12+ YOEBachelor's in Electrical Engineering with EMT, TOV, TRV, switching studies experience; PSCAD/EMTP-RV proficiency; 12+ years time-domain power system analysis; strong communication and leadership skills.
PSCAD, EMTP-RV, Python, MATLAB, Excel
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Lead Engineer (Technical Lead) – Power Generation Design
Denver or Fayetteville or Fort Worth or Joplin or Lincoln or North Kansas City or Omaha or Phoenix or Tulsa
$118k-$243k/yr OnsiteFull Time
Olsson
Olsson: Provider of engineering and design services for infrastructure projects.
8+ YOE4+ MgmtBachelor's in engineering, 8+ years progressive engineering experience with 4+ years supervising technical personnel, PE license required, strong power systems and high-voltage expertise, experience leading generation design work.
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3mo
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Engineer Senior Principal Systems – Lead Systems Engineer - EO/IR
Westminster, Colorado, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOEBS in engineering (or equivalent) + 8+ years EO/IR or sensor systems experience; TS/SCI clearance required; experience leading systems engineering, EVM (CAM/WPM), requirements, modeling, verification, and customer briefings.
MATLAB, MBSE, Cameo, SysML
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1w
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Lead Systems Engineer
Niwot, Colorado, United States
$120k-$177k/yr HybridFull Time
Particle Measuring Systems
Particle Measuring Systems: Manufactures particle counters and cleanroom contamination monitoring systems.
8+ YOEBS in engineering required; 8+ years in complex instrumentation with system architecture, integration, optics/sensors, signal processing, and requirements management; MATLAB/Simulink and Python experience.
JAMA, DOORS, MATLAB/Simulink, Python
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Mission Lead Systems Engineer
Greenwood Village, Colorado, United States
$130k-$180k/yr HybridFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
5+ YOEBachelors in systems engineering or related, 5+ years systems engineering experience, project leadership, space vehicle design/test experience, ability to obtain TS/SCI clearance, strong technical and communication skills.
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1w
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Lead Mission Systems Engineer
Seal Beach or El Segundo or Aurora or Herndon
$153k-$207k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
7+ YOE2+ MgmtBachelor's in engineering or related field, 7+ years systems engineering with 2+ years technical leadership, active US Top Secret/SCI clearance, proficiency with MATLAB and Python, mission modeling and systems integration experience.
MATLAB, Python
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4w
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Chief ISSO - System Lead
Denver, Colorado, United States
$126k-$277k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
4+ YOEActive TS/SCI clearance, DOD 8570 IAT II (Security+ or equivalent), 4+ years experience (or Bachelor's), RMF/NIST experience, vulnerability assessment and HBSS knowledge, leadership and project management skills.
Xacta IA Manager, Host-Based Security System (HBSS), DevSecOps, AI/ML, Cloud Computing, SCRUM, NIST SP 800-37, NIST SP 800-53
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4w
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Chief ISSO - System Lead
Denver, Colorado, United States
$126k-$277k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
4+ YOEActive TS/SCI clearance with polygraph eligibility, RMF/NIST security experience, DOD 8570 IAT II (Security+), leadership experience, Xacta/HBSS familiarity, bachelor’s degree or 4-7 years equivalent.
Xacta IA Manager, Host-Based Security System (HBSS), Risk Management Framework (RMF), NIST SP 800-37, NIST SP 800-53, AI/ML, DevSecOps, SCRUM
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Sr Systems Engineer - (SEIT Lead)
Centennial or Louisville
$144k-$198k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
10+ YOEBachelor's in related field (or equivalent) and typically 10+ years' systems engineering experience; expertise in requirements management, system architecture, integration, verification, and lifecycle processes.
DOORS, CAMEO EA, Rhapsody, MATLAB, SysML
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Program Chief Engineer (Technical Lead)
Centennial, Colorado, United States
$130k-$180k/yr HybridFull Time
SEAKR Engineering
SEAKR EngineeringNYSE: RTX: Designs and manufactures advanced electronics for space applications.
10+ YOEBachelor's in Electrical Engineering required, Master's preferred. 10+ years design experience with digital boards, ASICs/FPGA, SI/PI, lab debug, system integration, and leading design teams; US citizenship required.
microprocessors, ASICs, FPGAs, bench supplies, scopes, logic analyzers, EMI/EMC, SI, PI
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