676 system software engineer jobs at 248 companies in Colorado

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1w
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System Software Engineer II
Longmont, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Autonomous Solutions
Autonomous Solutions: ASI develops autonomous vehicle systems and fleet management software.
3+ YOEBachelor's degree required. 3+ years production experience in compiled languages (Rust,C++,Go,Java,C). Experience with Linux (Ubuntu, Yocto), multithreaded systems, debugging complex software, and on-hardware verification.
Rust, C++, Python, Go, Java, C, Ubuntu, Yocto, CAN
2mo
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Senior System Software Engineer - Performance
Santa Clara or Austin or Hillsboro or Boulder or Redmond or United States
$184k-$357k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
6+ YOEBS or MS in Computer Engineering or Computer Science; 6+ years in computer architecture or software development; leadership; strong OS, multicore, real-time, performance analysis experience.
ARM architecture, CUDA, performance analysis tools, Linux/Unix, embedded systems, OS concepts
2mo
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Senior System Software Engineer - Performance
Santa Clara or Austin or Hillsboro or California or Boulder or Redmond
$184k-$357k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
6+ YOEBS/MS in CS/CE or equivalent, 6+ years relevant experience, leadership and hands-on HW/SW experience, strong understanding of multicore hardware, OS design, concurrency, virtual memory, caching, interrupts, device drivers, real-time programming, and performance analysis/optimization.
CUDA
2mo
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Ground System Engineer
Colorado Springs or Aurora
$99k-$225k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years in systems engineering for satellite/ground systems; experience with technical specifications, ICDs, architectures, integration plans; experience with software systems for weapon systems; DoD/space program knowledge; Top Secret clearance; travel up to 10%.
2mo
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Ground System Engineer
Colorado Springs or Aurora
$99k-$225k/yr RemoteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years systems engineering for satellite/ground systems; experience with ICDs, ground architectures, integration and test plans; experience with software for weapon systems; top secret clearance; HS diploma with 15+ years or Bachelor's with 7+ years in space programs.
DevOps, DevSecOps, Model-Based Systems Engineering, MBSE, IEEE 15288
3w
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Workstation Graphics System Engineer
Fort Collins, Colorado, United States
$116k-$182k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Manufactures personal computers, printers, and 3D printing hardware.
3+ YOE3+ years GPU engineering and x86 system integration experience, GPU architecture expertise, software/firmware debugging, performance benchmarking, vendor collaboration, strong communication skills.
2mo
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Workstation Graphics System Engineer
Fort Collins, Colorado, United States
$116k-$182k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Produces personal computers, printers, and related digital imaging products.
3+ YOEMinimum 3 years of GPU engineering and system integration experience; degree in Software/Computer/Electrical Engineering or equivalent; strong English communication.
GPU, PCIe, x86, Firmware, Software Debugging
2w
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Software Engineer
Fairfax or Austin or Melbourne or Denver
$82k-$172k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEU.S. citizen able to obtain DoD clearance, bachelor’s in STEM or equivalent, 5+ years software engineering experience, experience with distributed systems, CI/CD, DevSecOps, and AI-assisted development tools.
Claude Code, AI agents, CI/CD
2w
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Software Engineer
Fairfax or Melbourne or Austin or Denver
$99k-$207k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEU.S. citizen able to obtain DoD clearance, Bachelor's in STEM (or equivalent), 5+ years software engineering, experience with distributed systems, CI/CD and DevSecOps, and use of AI-assisted tools like Claude Code.
Claude Code, AI agents, CI/CD
1mo
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Senior Software Engineer
Denver, Colorado, United States
$104k-$164k/yr HybridFull Time
CONMED
CONMEDNYSE: CNMD: Manufacturer of surgical instruments and patient monitoring medical devices.
5+ YOEBS in CS/Software/Computer Engineering (or MS), 5–7+ years software development experience, 3+ years embedded systems experience, experience with safety-critical/regulatory software, strong communication and technical documentation skills.
C, C++
1w
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Principal Software Engineer
Colorado Springs, Colorado, United States
$143k-$214k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
10+ YOEActive U.S. Top Secret/SCI clearance, 10+ years software engineering, expertise in distributed high-availability systems, Java/Python, software architecture, and leadership of cross-functional teams.
Java, Python, TDD, CI/CD, DevSecOps, Agile
4d
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System Development Engineer, AI/ML (Accelerator) Server
Seattle or Denver or Cupertino
$129k-$175k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years professional experience in software and systems engineering with networking, storage, OS, and driver debugging; proficiency in modern languages and Linux; experience designing scalable, reliable systems.
Python, Ruby, Java, C++, C, C#, Golang, PowerShell, CI/CD, Linux
2w
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
1mo
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System Simulation Engineer
Littleton, Colorado, United States
$89k-$158k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEUS citizen with Secret (able to obtain Top Secret) clearance; experience in flight dynamics, physics-based/time-domain simulations, and programming in C++; familiarity with software configuration tools and verification/validation of simulations.
C++, Git, Artifactory, Nexus, UNIX, LINUX, STK, MBSE, Cameo, HWIL
1mo
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Software Engineer I
Seattle or Denver or Beaverton or Springfield or Bengaluru
$122k-$157k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
1+ YOE1+ years professional software engineering experience. Familiarity with TypeScript/Node.js/JavaScript, SQL, production systems, CI/CD, containerization, and willingness to participate in on-call rotation.
Node.js, TypeScript, React, Kafka, RabbitMQ, SQS, Docker, Kubernetes, Terraform, CloudFormation, AWS, Datadog, OpenSearch/ELK, Prometheus, Grafana, CI/CD, SQL, Java, C#, Go, REST, GraphQL
1w
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Software Engineer II
Denver, Colorado, United States
$88k-$171k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
3+ YOEBachelor's degree or 3 years software engineering experience; familiarity with C#/.NET, cloud-deployed microservices, SQL and messaging systems; strong communication and critical thinking.
C# 12, .NET 8, ASP.NET Core, Microsoft SQL Server, Aurora PostgreSQL, Mongo, MassTransit, RabbitMQ, Swagger/OpenAPI, RestSharp, xUnit, Moq, AWS
2mo
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Software Engineer
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
5+ YOEDevelop, integrate, test, and sustain software for NORAD/NCMC IT systems; TS/SCI clearance; DoD/classified environment experience.
Java, Python, Docker, Kubernetes, Git, GitLab, Jenkins, Jira, Confluence, Maven, Gradle
3mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$100k-$155k/yr OnsiteFull Time
Bluestaq
Bluestaq: Develops secure data management platforms for defense and space missions.
4+ YOESenior software engineer with full-stack skills, mentoring, distributed systems experience, and cloud deployment.
Cloud, Docker, Kubernetes, CI/CD
2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$194k-$262k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
10+ YOESeasoned software engineer lead with architecture, mentoring, and delivery across complex, mission-critical systems.
C++, Python, Git, Linux, APIs, Distributed systems, Docker, Kubernetes, Jenkins, GitLab
1w
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Lead Software Engineer
Chicago or Peoria or Westminster or Irving or Cary
$128k-$209k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Hands-on software engineering lead with experience designing scalable cloud-native systems, proficiency in modern programming languages, and experience applying emerging technologies such as generative AI and RAG.
Python, Java, JavaScript, TypeScript, C#, Go, Kubernetes