1,221 sr software engineer jobs at 367 companies in Elizabeth, CO
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Sr. Software Engineer
Tucson or Centennial or Chantilly
$190k-$260k/yr OnsiteFull Time
15+ YOEProficient in modern software engineering, C++ and Python, 15+ years experience, TS/SCI clearance, US citizenship.
C++, Python, Linux, Gitlab, CI/CD, Docker, Kubernetes, PIP
2mo
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Sr Principal Software Engineer
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
8+ YOEActive DoD Secret clearance; software development experience (Java, C++, JavaScript); microservices; Red Hat Linux; Agile/JIRA/Confluence; EV principles; SW CDRL items; BOE pricing.
Java, C++, JavaScript, Microservices, Red Hat Linux, SEER-SEM, Earned Value (EV), JIRA, Confluence, Software Requirements Specifications, Software Design Descriptions, Software Version Descriptions
2mo
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Sr. Software Engineer
Lakewood, Colorado, United States
$140k/yr OnsiteFull Time
5+ YOE5+ years of software engineering with Java/Spring Boot, ownership of end-to-end projects, mentorship, on-site role in Lakewood, CO.
Java, Spring Boot, APIs, Distributed Systems
1mo
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Software Engineer Sr
Colorado Springs or King of Prussia
$93k-$186k/yr OnsiteFull Time
US citizen with DoD Secret clearance, strong software engineering background with proficiency in C#, C++, Angular, DevOps and Kubernetes, Agile experience, and technical leadership preferred.
C#, Angular, C++, DevOps, Kubernetes, Microservices, Active MQ, N-Unit Testing, Git, GitHub, DevSecOps, Cypress, Postman
2w
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Sr. Software Engineer
Denver, Colorado, United States
$95k-$135k/yr HybridFull Time
5+ YOERequires 5–7 years of C# and ASP.NET experience, advanced MS SQL skills, enterprise software design, security practices, automated testing, CI/CD pipelines, AI development tools, and mentoring experience.
C#, ASP.NET, MS SQL, GitHub Copilot, Claude, ChatGPT, xUnit, NUnit, Selenium, Playwright, GitLab, TDD, BDD, CI/CD, LLM
1w
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Principal Software Engineer / Sr. Principal Software Engineer
Colorado Springs, Colorado, United States
$104k-$155k/yr OnsiteFull Time
5+ YOEActive Top Secret/SCI clearance, US citizenship, 5+ years software development with Python and C++; experience with Agile/DevOps, software architecture, Docker/Kubernetes, and satellite ground or mission software preferred.
Python, C++, Postgres, Ansible, PKI, Docker, Kubernetes, Linux
3mo
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Sr Software Engineer, Ground Software
Centennial or Louisville
$157k-$215k/yr OnsiteFull Time
8+ YOEBachelor's degree or equivalent, 8+ years experience, multiple programming languages, design/architect complex software, Agile/Scrum, leadership, security clearance eligibility.
Python, React, Git, GitHub, GitLab, Bitbucket, FastAPI, Kubernetes, Helm, ArgoCD, JIRA, Confluence, Bash, PowerShell, Ansible, Docker, AWS, MySQL, PostgreSQL, MongoDB
3w
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Sr. Software Engineer (Contract)
Arlington or Denver or Houston or Merritt Island or United States
RemoteContract
8+ YOEBachelor's in STEM (Masters preferred). 8 years' experience (6 with Masters) designing and developing embedded/aerospace software. Proficiency in C/C++. US citizenship and ability to obtain government security clearance required.
C, C++
19h
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Sr. Software Engineer
Colorado Springs, Colorado, United States
$125k-$140k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of experience. Deep hands-on expertise in at least two of Linux, Kubernetes, and storage, with systems programming, debugging, and networking skills.
Linux, Kubernetes, C, Go, SCSI, Samba, NFS, ZFS, OpenLustre, BeeGFS, SeaweedFS, Ceph, SCST, LIO, WireGuard, Tailscale, EdgeVPN, OpenVPN, tcpdump, Wireshark, GRE
22h
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Sr. Software Engineer
Colorado Springs, Colorado, United States
$125k-$140k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of related experience. Requires deep hands-on expertise in at least two of Linux, Kubernetes, and storage, with systems programming, debugging, and networking knowledge.
Linux, Kubernetes, CSI, etcd, kubelet, CRI, CNI, controllers, operators, API, C, Go, SCSI, Samba, NFS, ZFS, OpenLustre, BeeGFS, SeaweedFS, Ceph, SCST, LIO, ARP, GRE, WireGuard, Tailscale, EdgeVPN, OpenVPN, tcpdump, Wireshark, kube-proxy
2w
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Sr. Software Design Assurance Engineer
Colorado Springs or San Diego or Plymouth
$80k-$136k/yr HybridFull Time
8+ YOE8+ years in medical device software quality or development; expertise in software design verification, risk management (IEC 62304, ISO 14971), and regulatory standards (21 CFR 820, ISO 13485); BS/MS in engineering field; experience with Agile/SAFe and defect/traceability tools.
Agile, SAFe, Jira, ClearQuest, JMP, Minitab, JAMA, IBM DOORS
2mo
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Sr. Software Engineer (ServiceNow)
Denver, Colorado, United States
$100k-$200k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
16+ YOETS/SCI with poly required; 16 years total experience (or education equivalent); ≥5 years ServiceNow experience; ServiceNow System Administrator certification plus an advanced ServiceNow cert; IAT Level 2; experience with automation (Ansible, Python, Terraform, PowerShell).
ServiceNow, RHEL, Windows, MariaDB, Agile, Scrum, SDLC, Cisco NSO, Ansible, Python, Terraform, PowerShell, JavaScript, Java, Perl, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Juniper, Cisco, COTs, GOTS, ITSM
1mo
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Sr. Software Engineer - Accounting
Santa Barbara or San Diego or Dallas or Atlanta or Chicago or Washington or San Francisco or Denver
$138k-$173k/yr RemoteFull Time
5+ YOE5+ years building service-based/SaaS applications, deep full-stack experience (backend + frontend), strong automated testing and Agile experience, mentoring ability, and experience with modern languages and frameworks.
Ruby on Rails, TypeScript, GraphQL, React, AWS, PySpark, Apache Airflow, AWS Glue, Hadoop, Ruby, Java, Python, Scrum, Kanban
2mo
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Sr. Software Engineer - Ignition
Denver, Colorado, United States
HybridFull Time
3+ YOEMinimum 3 years software development experience; familiarity with microservices, RESTful APIs, auth, Python/.NET/C#/Angular, SQL, Microsoft Azure, LLM/AI integration; bachelor's preferred, master's desired.
Angular, TypeScript, Python, .NET, C#, T-SQL, SQL, Microsoft Azure, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure SQL Database, Microsoft Azure DevOps, Microsoft Azure OpenAI, PyTorch, TensorFlow, scikit-learn
1mo
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Software Engineer Sr
Strongsville or Pittsburgh or Cleveland or Dallas or Phoenix or Denver or Birmingham
$86k-$158k/yr OnsiteFull Time
3+ YOE3+ years building Microsoft 365 solutions with SharePoint Online, SPFx, Power Platform, PowerShell, JavaScript/TypeScript, REST/Microsoft Graph, and Git; Bachelor's degree typical.
SharePoint Online, SharePoint Framework (SPFx), Power Platform, PowerShell, JavaScript, TypeScript, REST APIs, Microsoft Graph, JSON, HTML, CSS, Git, Microsoft 365, Power Apps, Power Automate
1w
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Sr. Software Development Engineer, PEET
Denver, Colorado, United States
$168k-$227k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph required; 5+ years professional software development and architecture experience, bachelor's degree, programming and system design skills, on-call responsibilities, mentoring experience.
Grafana, Prometheus, Wickr, Kinesis Video Streams
4w
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Software Engineer, Sr. Staff - Power and Limits Management
Denver, Colorado, United States
$146k-$220k/yr OnsiteFull Time
6+ YOEBachelor's in Engineering/CS/IS with 6+ years (or Master's 5+, PhD 4+) software engineering experience. Proficiency in C/C++, Java, Python; embedded/RTOS, ARM architecture, debugging with JTAG, compilers/linkers, version control.
C, C++, Java, Python, JTAG, Compilers, Linkers, Perforce, Git, Android, ARM
5d
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Software Engineer 5
Aurora, Colorado, United States
$200k-$215k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science, software engineering, computer engineering, or STEM; 10+ years' software engineering experience; Java, microservices, cloud environments, and active TS/SCI or Top Secret clearance eligible for SCI crossover.
Java, AWS, Docker, Kubernetes, Spring Boot, Python, C++, Kafka, Jenkins, JUnit, Jira, Confluence, SAFe Agile
1mo
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Head of Software / Sr. Principal Software Development Engineer
Englewood or Denver
$210k-$230k/yr HybridFull Time
10+ YOE10+ MgmtBS in a technical field, 10+ years managing software development and deliveries, experience with DevOps/DevSecOps, CI/CD, AWS/Azure, AI/LLMs, enterprise deployments, and translating customer requirements into software designs.
Claude Code, AWS, Azure, Code Pilot, UML, SysML, CI/CD, DevOps, DevSecOps, LLMs, Agentic AI
2mo
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Software Engineer
Aurora, Colorado, United States
$87k-$198k/yr OnsiteFull Time
5+ YOETS/SCI clearance required; HS/GED +10+ yrs or Bachelor’s +5+ yrs software engineering; experience with containerized apps, LLMs, cloud development, Git, and automation/requirements capture; willingness to take a polygraph.
Git, AWS Bedrock, SageMaker, Lambda, API Gateway, DynamoDB, S3, IAM, Kubernetes, Helm, Terraform, Python, Java, LLMs
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