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2,165 systems developer jobs at 536 companies in Castle Rock, CO

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Lifecycle Systems Engineer
El Segundo or Chantilly or Colorado Springs
$151k-$227k/yr OnsiteFull Time
The Aerospace Corporation
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.
SysML, Cameo, DOORS, Jira, Confluence, SAFe, Scrum, DevSecOps
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3w
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Payload Systems Engineer
Golden or Boston or Tel Aviv
$140k-$160k/yr HybridFull Time
Tomorrow.io
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.
Model-Based Systems Engineering (MBSE)
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2w
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Systems Engineer - Systems Integration
Littleton, Colorado, United States
$73k-$129k/yr OnsiteFull Time
Lockheed Martin
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.
Automation Framework
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3mo
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Systems Engineer
Aurora, Colorado, United States
$75k-$85k/yr OnsiteFull Time
JANUS Research Group
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.
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2d
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Systems Engineer - 1618
Colorado Springs, Colorado, United States
$100k-$140k/yr OnsiteFull Time
Scientific Applications & Research Associates (SARA)
Scientific Applications & Research Associates (SARA): Develops advanced technology and sensors for defense applications.
8+ YOEBachelor's in EE/Physics,8+ years systems/hardware engineering experience,systems engineering,RF and electrical test expertise,proficiency with C++/python and data analysis tools,ability to obtain DoD Top Secret clearance,up to 25% travel.
C++, python, Excel, MATLAB, Mathcad, Network Analyzers, Spectrum Analyzers, Signal Generators, Oscilloscopes, Multimeters
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11h
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Junior Systems Engineer
Colorado Springs, Colorado, United States
$40k-$80k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
Bachelor's degree in systems engineering or related field, experience with systems engineering lifecycle, requirements development, technical integration, and engineering documentation.
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1mo
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Staff Systems Engineer
Aurora or Ypsilanti or Philadelphia
$82k-$172k/yr OnsiteFull Time
CACI International
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
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3w
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Systems Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
Sentar
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.
Cameo Enterprise Architecture, SysML, UML, DoDAF, C, C++, JIRA, Confluence, Git
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2mo
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People Systems Developer
Boston or Denver or New York
$145k-$215k/yr HybridFull Time
Datadog
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.
LLMs, APIs, n8n, Zapier, Workato, Workday, Greenhouse, Claude, OpenAI, Anthropic, Gemini, Cursor
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1mo
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Principal Systems Engineer
Centennial or Louisville
$174k-$239k/yr OnsiteFull Time
Sierra Space
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.
DOORS, CAMEO EA, Rhapsody, MATLAB, SysML
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1d
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Staff Systems Developer
New York or Englewood
$126k-$181k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
8+ YOEBA/BS or equivalent,8-12 years experience,proficiency with Python,SQL,Linux,Git,Google Suite,AWS and Databricks;strong diagnostic,process improvement,and leadership skills.
Python, SQL, Linux OS, Git (GitLab), Google Suite, AWS, Databricks, Magnite, Freewheel, D2, DAI Web Apps, xRef DB, SET
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11h
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Junior Systems Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
Bachelors in engineering or related field, experience with systems engineering lifecycle, requirements development, technical integration, and engineering documentation.
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1mo
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Advanced Systems Engineer
Colorado Springs, Colorado, United States
$113k-$125k/yr OnsiteFull Time
General Dynamics Mission Systems
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.
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2w
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Systems Engineer
Boulder, Colorado, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
15+ YOE15+ years systems engineering for space or ground programs, Master's in Aerospace or Systems Engineering, TS/SCI clearance, experience leading technical teams and integrating space and ground systems, knowledge of OPIR, cloud, DevOps/DevSecOps, and related architectures.
DevOps, DevSecOps, Agile Methodologies, OPIR
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1d
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Design Systems Engineer
New York City or Denver or San Francisco or United States
$115k-$280k/yr HybridFull Time
Ambrook
Ambrook: Financial management platform for agricultural and industrial businesses.
Expert TypeScript and React frontend engineering; experience owning design systems, migrations, codemods, performance and accessibility, and using coding agents to automate workflows.
TypeScript, React, Figma, codemods
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1mo
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Systems Engineer
Niwot, Colorado, United States
$89k-$135k/yr OnsiteFull Time
Areté
Areté: Develops advanced sensing and signal processing solutions for national security.
0+ YOESystems Engineer with requirements decomposition, system integration, test planning, and security clearance eligibility; BS/BA or MS/MA; located in Niwot, CO.
Jama, IBM Rational DOORS, Magic Cyber Systems Engineer, Scripting (test automation)
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2mo
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Systems Engineer
Denver, Colorado, United States
$140k-$170k/yr OnsiteFull Time
Xcimer Energy
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.
Jira, Confluence, Flow, Teamcenter, MBSE
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2mo
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Systems Engineer
Colorado Springs, Colorado, United States
$135k-$145k/yr OnsiteFull Time
Infinity Systems Engineering
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
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4w
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Systems Engineer 2
Centennial, Colorado, United States
$82k-$136k/yr OnsiteFull Time
United Launch Alliance
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.
Teamcenter, SysML
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2w
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Systems Engineer
Boulder, Colorado, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
15+ YOE15+ years systems engineering for space/ground programs, Master’s in Aerospace or Systems Engineering, TS/SCI clearance required, DoD acquisition experience, leadership and integration expertise, familiarity with cloud/DevOps/DevSecOps.
DevOps, DevSecOps
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