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Advanced Software Systems Engineer
Boulder, Colorado, United States
$119k-$128k/yr HybridFull Time
3+ YOEBachelor's in systems engineering (or related) with 5+ years or Master's with 3+ years, DoD Secret clearance required, U.S. citizenship, experience with systems-level software development, MBSE, cloud and DevOps tooling.
Model-Based Systems Engineering (MBSE), AWS, Azure, RHOSP, VIO, Kubernetes, Rancher, Docker, OpenShift, Ansible, Terraform, Terragrunt, Packer, STIG, RMF
1mo
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Principal Software Systems Engineer
United States or Arlington or Denver or Houston or Merritt Island
RemoteFull Time
15+ YOEBachelor's in STEM (Masters preferred). 15 years' experience with BS (12 with MS) in aerospace software systems, MBSE and requirements management (DOORS), ability to obtain government security clearance, US citizenship required.
Model Based Systems Engineering (MBSE), DOORS
2w
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Senior Spacecraft Systems Engineer – Software
Westminster, Colorado, United States
$134k-$161k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering, 5+ years systems/software/embedded experience, experience decomposing requirements and creating verification plans, embedded systems and interface experience.
Python, C++, C, Java, Bash, Git, IDEs, debuggers, CI/CD platforms, Linux, Windows, Unix, TCP/IP, UDP, Serial, USB, Ethernet, APIs, requirements tools, issue tracking systems, automated test tools
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yr HybridFull Time
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/Information Systems; 10+ years in cybersecurity engineering, architecture, and software development; expertise in cybersecurity standards, solutions, and compliance; strong communication and leadership skills.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1 ar Device Identities, cybersecurity Agentic AI, FIPS, TLS/SSH, Cryptography
2mo
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Ground Software Systems Engineer
El Segundo or Colorado Springs or Aurora
$87k-$198k/yr OnsiteFull Time
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.
C++, Python, Java, C, C#, JavaScript, React, NodeJS, PHP, Drupal, .NET
2mo
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Ground Software Systems Engineer
El Segundo or Aurora or Colorado Springs
$87k-$198k/yr HybridFull Time
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
C++, Python, Java, C#, C, NET, JavaScript, React, NodeJS, PHP, Drupal, DO-178C
1mo
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Software Systems Engineer II
Centennial or Louisville
$106k-$145k/yr OnsiteFull Time
2+ YOEBachelor's degree (or equivalent), 2+ years related experience, strong programming skills, software development principles, Agile experience, Git proficiency, and ability to obtain/maintain Secret U.S. security clearance; U.S. citizenship required.
DOORS, Rhapsody, NoMagic, MATLAB, Git
1mo
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Advisory Linux Systems Software Engineer
Boulder, Colorado, United States
$93k-$100k/yr HybridFull Time
5+ YOE5+ years developing low-level Linux systems software; strong C/C++; Python/Bash scripting; deep Linux internals, system bring-up, debugging, and hardware/software integration; bachelor's degree in CS/CE/EE or related.
Linux, C, C++, Python, Bash, GitLab, JIRA, Claude Code
3w
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Software Engineer - RFGL Systems
Washington or Boulder
$90k-$131k/yr HybridFull Time
2+ YOE2+ years software engineering experience, hands-on AWS (EC2,S3,Lambda,ECS/EKS,CloudWatch,IAM), Python, Linux/bash, production systems reliability and monitoring, strong communication and teamwork skills.
AWS EC2, S3, Lambda, ECS, EKS, CloudWatch, IAM, Python, Linux, bash, Spark, Kafka, Databricks, Terraform, Ansible, CloudFormation, Docker, Kubernetes, GitHub Actions, Prometheus, Grafana, ELK, C++
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/IS, 10+ years cybersecurity engineering/architecture and software development experience, strong knowledge of cybersecurity standards and technologies, ability to design solutions, lead certification/compliance, and mentor teams.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, PQC, EU CRA, 802.1ar, Agentic AI, FIPS, TLS, SSH, Cryptography
2w
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Sr. Software Systems Engineer - Lunar Permanence
Seattle or Denver
$156k-$237k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBS or higher in CS/CE/AE or equivalent, 8+ years experience, experience with safety-critical software (NPR 7150.2D/DO-178), spacecraft systems, requirements and verification, cross-discipline leadership, US work-eligibility required.
Model-Based Systems Engineering (MBSE), Agile, C/C++, Python, JavaScript
1mo
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Software Systems Integration Engineer - Level 5
Aurora, Colorado, United States
$161k-$241k/yr OnsiteFull Time
8+ YOEActive U.S. DoD Top Secret/SCI clearance, Sec+ (or equivalent), extensive systems integration and test experience, Linux and GitLab familiarity, ability to develop test plans and troubleshoot software/logs.
Linux, GitLab, Kubernetes
1mo
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SYSTEMS ENGINEER
Boulder, Colorado, United States
$100k-$120k/yr OnsiteFull Time
3+ YOEBachelor's in engineering, 3+ years testing/validation across hardware, firmware, and software; system engineering and NPI experience; test plan creation; strong troubleshooting and communication; Matlab/Simulink preferred.
Matlab, Simulink
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Senior Software Engineer - Control Systems
Boulder or Austin
$150k-$175k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOEDesign and build high-performance control systems for quantum computing; embedded software, real-time, GPU/FPGA; in-office collaboration with theory/software/hardware teams.
C++, Python, Rust, Go, NVIDIA CUDA, FPGA design, VHDL, Verilog, Linux, CUDA Toolchains
2mo
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Senior Systems Engineer, Watch Software
Boulder, Colorado, United States
OnsiteFull Time
Design, build, and optimize foundational watchOS software for performance and power efficiency; conduct investigative research and prototype new hardware and software technologies; collaborate across hardware and software teams.
3w
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Senior Systems Engineer
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEBachelor's in STEM and 5+ years systems engineering on software-intensive systems; active transferable TS/SCI clearance and U.S. citizenship; experience with observability, verification strategies, Agile collaboration with software teams.
Playwright, OpenTelemetry, Prometheus, Grafana, Kubernetes
2mo
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Systems Engineer, Battlespace
Broomfield, Colorado, United States
$113k-$149k/yr OnsiteFull Time
2+ YOE2+ years hardware and software systems engineering; MBSE; Python; MBSE tools; security clearance; travel up to 25%.
JAMA, Cameo, MATLAB, Simulink, AFSIM, Python
3w
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Mid Systems Engineer
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
4+ YOETS/SCI required, bachelor in engineering/CS or equivalent, 4+ years systems engineering on software-intensive systems, requirements analysis, interface documentation, V&V, Agile experience, ability to work onsite at a government facility.
SAFe, MBSE
1w
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Principal Systems Engineer
Denver, Colorado, United States
$201k-$237k/yr OnsiteFull Time
15+ YOEBS in engineering required, 15+ years systems/software engineering experience, experience owning integrated technical baselines, Atlassian (Confluence,Jira) fluency, strong communication and risk assessment skills.
Confluence, Jira, Atlassian
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