1,715 systems developer jobs at 436 companies in Monument, CO
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Lifecycle Systems Engineer
El Segundo or Chantilly or Colorado Springs
$151k-$227k/yrOnsiteFull Time
The Aerospace Corporation: Provides technical expertise and research for national space programs.
10+ YOEBachelor's in engineering or related; 10+ years experience in systems/acquisition engineering; experience with requirements, verification, DoD acquisition, DevSecOps; TS/SCI clearance required.
Tomorrow.io: Weather intelligence platform for operational resilience and decision-making.
4+ YOE4-7+ years developing, integrating, and testing complex engineered systems (satellite payloads preferred); systems architecture, requirements management, verification planning, MBSE familiarity, strong communication and risk-mitigation skills.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience in systems integration, test planning/execution, ICD development, and hardware/software integration. Active Secret clearance and willingness to travel up to 25% required; bachelor's degree in engineering preferred.
JANUS Research Group: Provides specialized engineering and technical services for defense organizations.
5+ YOEActive TS/SCI clearance, bachelor's in engineering and 5 years systems engineering experience, requirements development, V&V, integrated product team experience, able to operate in a TS/SCI environment.
Sentar: Provides cybersecurity and intelligence solutions for national security agencies.
Develop system requirements and architecture, lead design activities, produce technical documentation, and ensure technical integrity; requires Cameo Enterprise Architecture and SysML/UML/DoDAF experience and an active DoD Secret clearance with SAP/SCI eligibility.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOETS/SCI with Poly required, Bachelor's in CS/Systems/IT or related, 5+ years in software development or systems engineering, IAT Level II/III (Security+, CISSP, or CASP), Scrum/Agile experience, ability to develop requirements and test procedures.
Scrum, Agile, Cameo, DOORS, DOORS Next Gen, XML, JSON
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
3+ YOE3-5 years in software engineering or advanced automation; experience with LLMs, AI-enabled workflows, and production integration; strong API integration (n8n, Zapier, Workato); familiarity with HR systems; independent in fast-paced environments; clear stakeholder communication.
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
15+ YOEBachelor's in related field, typically 15+ years' systems engineering experience. Advanced expertise in requirements management, system architecture, integration, verification/validation, and leading multidisciplinary development efforts.
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
3+ YOEBachelor's in systems engineering (plus 5 years) or Master's (plus 3 years). Department of Defense Secret clearance and U.S. citizenship required. Experience with systems development lifecycle, requirements management, system modeling, technical leadership, and strong communication skills.
Xcimer Energy: Developing laser-driven inertial fusion for commercial clean energy
5+ YOE5+ years of Systems Engineering on large, complex, integrated systems; BS in engineering; experience with SE activities; tools Jira/Confluence/Flow/Teamcenter; U.S. citizen or permanent resident.
Infinity Systems Engineering: Provides specialized systems engineering and mission operations for aerospace programs.
4+ YOEDesign, implement, and maintain complex systems across lifecycle; TS/SCI with polygraph; Bachelor/Master with experience; knowledge of Agile and DevOps; strong MS Office and system integration skills.
Microsoft Visio, Microsoft Project, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
United Launch Alliance: Aerospace providing space launch services for satellites.
2+ YOEBachelor's in engineering, 2+ years related experience, requirements development/verification experience, familiarity with system design reviews, strong technical writing and teamwork skills.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOERequires TS/SCI with Polygraph, bachelor’s degree or equivalent, 5+ years systems engineering experience, expertise in systems engineering lifecycle, Atlassian (Jira, Confluence, Zephyr), Linux, strong communication and problem-solving skills.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years in ground system components and software development; 2+ years in design docs and test procedures; Secret clearance; BS in STEM; Top Secret preferred
Colorado Springs or Peterson Air Force Base or Chidlaw
$180k-$200k/yrOnsiteFull Time
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
10+ YOE10+ years experience in systems engineering, test and integration; proficiency with Linux, Windows, Oracle environments; strong communication, test-plan development, and troubleshooting skills; active Secret clearance.
Linux, Windows, Oracle, Oracle 19c, RHEL 9.7, Microsoft Office, DoDAF
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years in ground system components and software development (C++/Python), 2+ years in program reviews and software design documentation, agile, secret clearance, STEM degree.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive U.S. Secret clearance, STEM degree, 2+ years (Systems Engineer 2) or 5+ years (Principal) experience, requirements decomposition and management, systems lifecycle experience, Agile, Atlassian, SharePoint, MS Office proficiency.
Jira, Confluence, SharePoint, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, Cameo, Siemens, Windchill, Teamcenter
Warrenton or State College or Augusta or Centennial
$150k-$200k/yrOnsiteFull Time
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
10+ YOETop Secret clearance, 10+ years relevant experience, systems integration, documenting O&M/SOPs, designing interfaces and ontologies, automation using bash/python, familiarity with Java, Elastic, Docker, and software development/integration.
Integrity Communications Solutions: Engineering and technical support for military satellite communications systems.
Senior-level systems engineering and integration experience on DoD/aerospace programs; develop requirements, verification products, test procedures/scripts; MBSE/Agile experience; active DoD Secret clearance with TS/SCI eligibility.
MBSE, Cameo Systems Modeler, IBM DOORS, test frameworks, scripting languages