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32 sr security software engineer jobs at 21 companies in Colorado Springs, CO

3w
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Embedded Software Engineer
Huntsville or McLean or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years software engineering with Rust,C,C++,or Python; experience with production full-stack apps,Kubernetes,CI/CD,DevSecOps,security best practices; Secret clearance; bachelor's in CS/Engineering or equivalent experience.
Rust, C, C++, Python, Kubernetes, CI/CD, PyO3, SonarQube, Clippy, cargo-deny, cargo-audit, GitHub, SysML, DoDAF, UAF
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2w
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Software Engineer III
Lone Tree 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 in CS or related,6+ years software development experience,proficiency in Java,experience with Linux (RHEL) and hardware integration,ability to obtain U.S. Secret security clearance and U.S. citizenship required.
Java, Linux (RHEL), Windows, C#, C++, Python, Java Script/Typescript, React, WPF, .NET
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1mo
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Modernization Software Engineer
Colorado Springs, Colorado, United States
HybridFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
8+ YOEUS citizen, able to obtain/maintain Top Secret clearance, BS in Engineering/Computer Science or related, 8 years relevant experience (≥3 in DoD), ability to obtain Security + or equivalent.
Agile, DevSecOps
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1mo
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Lead, Software Engineer (40675)
Colorado Springs, Colorado, United States
$117k-$218k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEAbility to lead software design and development for electro-optical military systems; US citizenship and ability to obtain DoD clearance; 9+ years relevant experience (or equivalent); Security+ obtainable; proficiency in modern languages and EVM/EVMS experience.
C++, Java, QNX, Python, Rust, Go, UML, EVMS, CI/CD pipelines, containerization, cloud-native, DevSecOps
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1mo
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Senior Software Systems Engineer
Los Angeles or Boston or Colorado Springs
$156k-$244k/yr RemoteFull Time
Revolution Space
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's in CS/Engineering,10+ years systems engineering experience,proficiency in Python/C++/Java/JavaScript,OS and networking knowledge,EMR? (not applicable),requirements tools experience,ability to obtain U.S. security clearance.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, MS Excel, DOORS, Large Language Models, AWS, Azure, GCP, Ansible, Docker, Kubernetes, MBSE, SysML
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1mo
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Software Developer
Colorado Springs or Melbourne
$91k-$162k/yr HybridFull Time
ENSCO
ENSCO: Provides engineering, science and advanced technology solutions for mission-critical operations.
8+ YOEBachelor's degree with 8+ years' relevant experience, Top-Secret/SCI clearance, U.S. citizenship, full-stack AWS development experience, frontend (JavaScript/TypeScript, React/Angular), backend (Java, Python, Node.js), Docker, CI/CD, infrastructure-as-code, and secure coding practices.
AWS, EKS, Lambda, S3, PostgreSQL, CloudWatch, CloudFormation, Terraform, Jenkins, GitLab CI, GitHub Actions, Docker, Spring Boot, Tomcat, JavaScript, TypeScript, React, Angular, Java, Python, Node.js
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6d
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Cyber Software Engineer Senior
King of Prussia or Colorado Springs
$110k-$205k/yr FieldFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
5+ YOEBachelor's degree or equivalent experience, 5+ years in cybersecurity or systems engineering, Linux or Windows security, Ansible, automation, vulnerability remediation, scripting, and ability to obtain DoD Secret clearance.
Ansible, Linux, Windows, SAST, DAST, Kubernetes, OpenShift, ArcSight, CI/CD, CISSP, CAP
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2mo
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Lead AI/ML Software Engineer
Boston or Colorado Springs or McLean or Oahu or Remote or Tacoma or Tampa
$180k-$230k/yr RemoteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
6+ YOE6+ years in full-stack production software; distributed systems; Kubernetes and cloud-native platforms; security and compliance knowledge; top-secret clearance eligibility.
Kubernetes, Cloud, Kafka, Apache Flink, Python, Java, Go, Docker, Git, CI/CD, ML tooling
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1mo
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Information Systems Security Engineer (ISSE)
Colorado Springs, Colorado, United States
$130k-$170k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEBachelors in CS/engineering,5+ years ISSE or software engineering experience,experience with Linux,Kubernetes,DoD STIGs and RMF,ATO support,air-gapped deployments,security+ certification and active TS/SCI clearance.
Kubernetes, Terraform, Zarf, UDS Core, OpenShift, Rancher, Linux, CI/CD, DevSecOps
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1mo
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Information Systems Security Engineer (ISSE)
Colorado Springs, Colorado, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
3+ YOEExperience performing information systems security engineering in software/system environments; knowledge of NIST SP 800-53; Linux/Windows hardening and monitoring; ability to produce security documentation; minimum Secret clearance with ability to upgrade to TS/SCI.
Linux, Windows, NIST SP 800-53
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3w
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HPC Software Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
BasisPath
BasisPath: IT solutions and systems engineering for federal government missions.
10+ YOEBachelor's in STEM and 10+ years professional experience; ~5 years modeling/simulation in multi-platform HPC; proficiency with Fortran, C/C++, BASH/Korn, Linux; mentoring and training experience; security clearance required.
Fortran, C, C++, BASH, Korn, Linux, CVS, SVN, Git, CMake, Makefile, autoconf, Python, Perl, CUDA, OpenCL, JIRA
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2w
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IT Hardware Engineer
Chantilly or Colorado Springs
OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
4+ YOERequires TS/SCI clearance, DOD 8140 certification at least Security+, 8–16+ years based on education, and 4+ years designing, integrating, validating, and implementing IT hardware and software solutions.
Virtual Desktop Infrastructure (VDI), ITIL, Security+, Blue/Green
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1mo
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Senior Backend Engineer
Colorado Springs, Colorado, United States
$160k-$185k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
5+ YOE5+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; cloud architecture, API/backend development, security focus, mentorship and customer integration skills.
Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform
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1w
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Engineer Computer III
Chesapeake or Colorado Springs
OnsiteFull Time
Chugach Government Solutions
Chugach Government Solutions: Provides facility management, construction, and technical services for government agencies.
7+ YOEMaster's degree in engineering or computer science, seven years of professional experience, active TS/SCI clearance, CompTIA Security+, and AVIXA CTS certification required; AV engineering experience preferred.
Security Technical Implementation Guides (STIG), operating systems, Python, C, C++, Java, CompTIA Security+, AVIXA Certified Technical Specialist (CTS)
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2w
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IT Hardware Engineer
Chantilly or Colorado Springs
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
4+ YOETop Secret/SCI clearance, DOD 8140 certification with Security+, qualifying degree and 8–16+ years' experience, plus 4+ years designing, integrating, validating, and implementing IT hardware and software.
Virtual Desktop Infrastructure (VDI), Information Technology Infrastructure Library (ITIL), Microsoft?
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3mo
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Cybersecurity Systems Engineer
Herndon or Colorado Springs
$160k-$175k/yr HybridFull Time
Dark Wolf Solutions
Dark Wolf Solutions: Provides cybersecurity and software development services to defense agencies.
7+ YOE7+ years in IT security or systems engineering; MBSE experience; secure software development; DoD/federal familiarity; TS/SCI clearance.
Cameo Enterprise Architecture, Sparx Systems Enterprise Architect, DODAF, UAF, TOGAF, CI/CD, Container Scanning
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6d
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Software Engineering Manager (TS/SCI)
Colorado Springs, Colorado, United States
$128k-$187k/yr OnsiteFull Time
Maxar Intelligence
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
Requires a STEM bachelor's degree, Top Secret clearance, full-stack development, technical team leadership, and Python, JavaScript, or C/C++ programming. TS/SCI, radar, Kubernetes, and Security+ are preferred or attainable.
Python, JavaScript, C, C++, React, Angular, REST, GraphQL, Kubernetes
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1mo
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DevSecOps Engineer
Colorado Springs, Colorado, United States
$92k-$138k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
Design and implement CI/CD for cloud and on-premises, secure infrastructure as code, automate testing/deployment, programming in Bash/Python/PowerShell, and experience with GitLab, Ansible, Terraform, Nexus, Jenkins, AWS/GCC High, and SATCOM concepts.
Bash, YAML, Python, PowerShell, AzureCLI, GitLab, Ansible, Terraform, Nexus, Jenkins, AWS, GCC High, Docker, Kubernetes, Jira, Confluence, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1w
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Systems Test Engineer – Level 3 or Level 4 (AHT)
Colorado Springs, Colorado, United States
$94k-$176k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOERequires STEM degree and 5–8 years of experience depending on level, active U.S. Top Secret clearance with SCI eligibility, software requirements verification and formal testing experience; Agile, C++, Security+, and SSCP are preferred.
C++, Agile, Modeling & Simulation (M&S)
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1mo
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Senior DevOps Engineer
Colorado Springs, Colorado, United States
$117k-$243k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
5+ YOE5+ years DevOps/infrastructure experience with Kubernetes and AWS; Terraform, Ansible, GitLab CI/CD, Keycloak, IAM, scripting (Bash/Python); must obtain CompTIA Security+ or DoD 8140 within 90 days and hold active TS/SCI clearance.
Kubernetes, AWS, EKS, EC2, VPC, IAM, S3, RDS, CloudWatch, Docker, Podman, containerd, Terraform, Ansible, GitLab CI/CD, Keycloak, Prometheus, Grafana, Loki, Bash, Python, Helm, ArgoCD, Flux, Istio, Platform One BigBang
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