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100 systems engineer iii jobs at 45 companies in Colorado

3mo
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Systems Engineer III (Remote Sensing Systems Architecture)
Seattle or Denver or Huntsville or Reston or Los Angeles
$121k-$169k/yr RemoteFull Time
Blue Origin
Blue Origin: Developing reusable space vehicles and infrastructure.
5+ YOE5+ years in aerospace/defense systems engineering; experience with RF sensing, requirements management, GMTI/AMTI concepts; architecture trade studies; TS/SCI clearance.
DOORS, Jama, MATLAB, STK
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3mo
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Systems Engineer III - Satellite Ground Systems (Clearance Required)
Louisville or Centennial
$119k-$164k/yr OnsiteFull Time
Sierra Space
Sierra Space: Commercial space and defense technology.
5+ YOEBachelor's degree or equivalent; typically 5+ years experience; active Secret U.S. Security Clearance; knowledge of systems engineering lifecycle and requirements management.
Doors, CAMEO EA, Rhapsody, Matlab, SysML
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2mo
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Systems Engineer III
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Aerospace and national security contractor providing innovative technology solutions.
6+ YOEBachelor's in engineering, 6+ years systems engineering experience, advanced proficiency with systems modeling/simulation tools, requirements management and MBSE knowledge, multi-disciplinary team experience, and U.S. eligibility for required authorizations.
DOORS, Cameo, MATLAB
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Systems Engineer III
Louisville, Colorado, United States
$88k-$154k/yr HybridFull Time
Orion Space Solutions
Orion Space Solutions: Subsidiary designing spacecraft, sensors, and data models for government, commercial, and scientific customers.
5+ YOEBachelor's+5 yrs (MS+3 or PhD+1) in relevant engineering field; extensive systems engineering experience for high-reliability space/aerospace; experience across development lifecycle; experience with DOORS or Jama.
DOORS, Jama
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2w
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Systems Engineer III
Centennial, Colorado, United States
$119k-$136k/yr OnsiteFull Time
Aurex
Aurex: Private aerospace and defense engineering and manufacturing serving government, commercial space, and national-security customers.
5+ YOEBachelor's degree in engineering or related discipline and 5–10 years of systems reliability experience; requires aerospace reliability analysis, FMEA, PRA, FTA, hazard analysis, and strong communication skills.
Failure Modes and Effects Analysis (FMEA), Probabilistic Risk Assessment (PRA), Fault Tree Analysis (FTA), fishbone analysis, hazard analysis
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ENGINEER III - SYSTEMS ENGINEER (C2)
Colorado Springs, Colorado, United States
$95k-$115k/yr OnsiteContract
Integrity Communications Solutions
Integrity Communications Solutions: Veteran-owned engineering firm providing MILSATCOM, communications, software, cybersecurity, and space operations support to defense and federal customers.
2+ YOEBachelors in engineering, 2+ years systems engineering or SATCOM-related experience, active DoD Secret clearance required with ability to obtain TS/SCI, knowledge of SE lifecycle, requirements management, integration, verification, and strong technical writing.
Model-Based Systems Engineering (MBSE), Cameo Systems Modeler, IBM DOORS, REST APIs, OpenAPI/Swagger, Agile, SAFe
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Systems Engineer III
Colorado Springs, Colorado, United States
OnsiteFull Time
Qualis Corporation
Qualis Corporation: Private U.S. defense technology contractor providing engineering, testing, program management, cybersecurity, and logistics services to government customers.
5+ YOEBachelor's in STEM with 5 years (or MS with 3, PhD with 1) and 5+ years related experience; MBSE and M&S experience; Python, MATLAB or C++ scripting; active DoD Secret clearance required; ability to obtain TS/SCI.
Python, MATLAB, C++, CAMEO, MagicDraw
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Payload Systems Engineer III
Longmont, Colorado, United States
$100k-$160k/yr OnsiteFull Time
Vitesse Systems
Vitesse Systems: Defense and aerospace hardware manufacturer designing antenna, thermal-management, and power-distribution systems for space and military programs.
5+ YOEBSc in Electrical Engineering, 5+ years payload/RF experience, proficiency in Python/MATLAB/STK, payload design and analysis skills, hands-on system modeling and AIT experience, and U.S. citizenship or permanent residency (ITAR).
Python, MATLAB, STK
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Power Systems Study Engineer III
United States or Colorado or California or Illinois or New York or Washington or District of Columbia
$105k-$131k/yr RemoteFull Time
DLB Associates
DLB Associates: Engineering and consulting firm for mission-critical infrastructure.
5+ YOEBachelor's in electrical engineering (ABET), minimum 5 years electrical engineering experience, intermediate knowledge of power system studies (short-circuit, load flow, arc flash, protection coordination, transient stability), proficiency with ETAP/PSS/E/SKM/EasyPower and Microsoft Office, ability to work remotely and travel up to 10%.
SKM Powertools, EasyPower, ETAP, PSS/E, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Teams
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Engineer III
Colorado Springs, Colorado, United States
$75k-$110k/yr OnsiteFull Time
JT4, LLC
JT4, LLC: Provides engineering and technical support for U.S. military test ranges.
2+ YOEBachelor of Science in Engineering with 2 years of related experience or an accredited Master of Science in engineering; TS/SCI eligibility, Security+ certification, engineering tools knowledge, and strong analytical skills.
Model Based Systems Engineering, SysML, Cameo, Rhapsody, C++, Python, Java
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Systems Design Engineer III - Missions Processing
Colorado Springs, Colorado, United States
$96k-$120k/yr OnsiteFull Time
Frontgrade Technologies
Frontgrade Technologies: The Electronics Backbone Behind Mission-Critical Systems
5+ YOEBachelor's degree in electrical engineering or related field, or equivalent experience; 5+ years in a specialized discipline; hardware integration experience; FPGA/SBC, digital design, power, and mixed-signal expertise; ability to obtain security clearance.
FPGA, Single Board Computer (SBC), RFQ, RFP, ITAR, EAR
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2mo
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Staff Cyber Systems Engineer
Annapolis Junction or Roy or San Antonio or Redondo Beach or Huntsville or San Diego or Colorado Springs
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
8+ YOEExperience implementing cybersecurity within systems engineering (NIST SP 800-160), RMF documentation, DoD 8570 certification (IASAE II/CISSP) with ability to obtain IASAE III, active Secret clearance required; advanced degree plus years of experience or extensive experience in lieu of degree.
DOORS, CAMEO, SonarQube, Fortify, DevSecOps
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6d
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Principal Engineer Systems – Network Sys Engr III (26-388)
Colorado Springs, Colorado, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
5+ YOEBachelor's in a STEM field plus 5 years, master's plus 3 years, or PhD plus 1 year; active Secret clearance and Government-issued 8140 IAT II certification required; systems engineering and MBSE experience required.
Requirements Traceability Verification Matrix (RTVM), DOORS, Model-Based Systems Engineering (MBSE), Microsoft?, C2BMC
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Chief Engineer (Network / Systems Engineering Lead)
Colorado Springs, Colorado, United States
$155k-$200k/yr OnsiteFull Time
Computer World Services
Computer World Services: Private federal IT services provider delivering cybersecurity, digital transformation, enterprise solutions, and program support to government customers.
10+ YOE5+ MgmtBachelor's degree, 10+ years network/systems engineering with 5+ years lead experience, active Top Secret clearance, US citizenship, senior network certification (CCNP/CCIE) and DoD 8140 IAT II/III or Security+/CySA+, RMF/ATO experience preferred.
DevSecOps, AIOps, Zero Trust, Risk Management Framework (RMF), Authority to Operate (ATO), COMSEC, TEMPEST
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Manager III - Systems Engineering
Broomfield or Boulder or Westminster
$153k-$261k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
12+ YOEBS in engineering plus 12+ years related experience, Top Secret/SCI clearance ability, experience in mission/core systems engineering, leadership and cross-functional team management.
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1d
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Mission Lead Systems Engineering Manager Senior III
Greenwood Village, Colorado, United States
$200k-$250k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: U.S. space and defense prime building spacecraft and integrated mission solutions for national-security, government, and commercial customers.
5+ YOEBachelor's degree in systems engineering or related technical field, 5–15 years of systems engineering experience, project and team leadership, space vehicle design or test experience, U.S. work authorization, and security-clearance eligibility.
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1d
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Senior Fire Alarm Systems Design Engineer
Colorado or Florida or Georgia or New York or Texas
$59k-$101k/yr RemoteFull Time
Siemens Smart Infrastructure
Siemens Smart Infrastructure: Connecting energy systems, buildings and industries.
5+ YOERequires 5+ years designing fire alarm systems, AutoCAD and Microsoft Office proficiency, electrical diagram interpretation, NICET II certification, and U.S. work authorization; NICET III required within one year.
AutoCAD, Microsoft Office, VESDA, NFPA 72
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AI Engineer III
Arkansas or Colorado or Georgia or Illinois or Iowa or Kansas or Louisiana or Minnesota or Missouri or Montana or Nebraska or New Mexico or North Dakota or Oklahoma or South Dakota or Texas or Wisconsin or Wyoming or Tulsa
$114k-$172k/yr RemoteFull Time
ONEOK
ONEOKNYSE: OKE: Publicly traded U.S. midstream transports natural gas, NGLs, refined products and crude oil for energy markets.
5+ YOEBachelor's degree and 5+ years of software engineering experience shipping production AI/ML systems. Requires Python, LLM systems, cloud platforms, APIs, production operations, and strong communication skills.
Python, R, SQL, Spark, Databricks, Snowflake, Large Language Models (LLMs), Anthropic, AWS Bedrock, OpenAI, AWS, Azure, Terraform, Software Development Lifecycle (SDLC), Continuous Integration/Continuous Deployment (CI/CD), ADO, GitHub, GitLab
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Electrical Engineer III
Denver, Colorado, United States
$100k-$123k/yr OnsiteFull Time
Birdon
Birdon: Privately owned Australian maritime engineering and shipbuilding serving defence, government, maritime, energy, and resource sectors.
7+ YOEBachelor's in electrical engineering, 7+ years marine electrical experience, knowledge of ABS/IEEE/IEC/NEC/MIL-SPEC, government contracting experience, and expertise in power distribution and system analysis.
Microsoft Access, AutoCAD, ShipConstructor
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Forward Deployed Engineer III, Generative AI, Google Cloud
San Francisco or Atlanta or Boulder or Cambridge or Chicago or Addison or Detroit or Irvine or Kirkland or Los Angeles or Miami or Mountain View or New York or Portland or Reston or San Diego or Seattle or Sunnyvale or Washington D.C.
$174k-$252k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
5+ YOE5 years software development; AI systems on cloud; production-grade AI solutions; customer engagement; data pipelines with vector DB/RAG
Python, LangGraph, CrewAI, ADK, RAG, Vector Databases, LLM Metrics, Vertex AI, MCP servers
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