49 security software engineer jobs at 30 companies in Fountain, CO

1d
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Software Security Engineer
Colorado Springs, Colorado, United States
$55k-$126k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Bachelor's degree in a relevant field, programming ability, multiple-priority management, and eligibility for a Secret clearance. Experience with cybersecurity and application security tools is preferred.
SAST, DAST, SCA, IaC, Git, Agile, Scrum, DevSecOps, SBOM, Kubernetes, NIST SSDF, NIST AI RMF, MITRE ATT&CK
2d
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Software Security Engineer
Colorado Springs or San Antonio
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Bachelor's degree in computer science, cybersecurity, information systems, or engineering; programming experience; ability to obtain a Secret clearance; and ability to manage priorities and solve problems.
SAST, DAST, SCA, IaC, Git, Agile, Scrum, DevSecOps, SBOM, Kubernetes, NIST SSDF, NIST AI RMF, MITRE ATT&CK, AI
4w
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Software Developer
Colorado Springs, Colorado, United States
$100k-$110k/yr OnsiteFull Time
IPT Associates
IPT Associates: Provides IT and professional services to federal government agencies.
10+ YOEBachelor's degree in CS/IS/Engineering,10 years experience, IAT-II, active security clearance required; experience designing and developing OS-level, embedded, compiler, or networking software.
4w
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Software Engineer Staff
Colorado Springs or King of Prussia
$114k-$227k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
U.S. citizen with Secret clearance; professional software engineering experience with automated testing (Playwright/Selenium/Cypress), TypeScript or Java; Bachelor’s in CS/Engineering; familiarity with CI/CD and secure SDLC.
Playwright, Selenium, Cypress, TypeScript, Java, Gitlab, Github, Docker, Kubernetes, .Net Core, Spring Boot, Angular, React
1mo
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Software Engineer II
Colorado Springs, Colorado, United States
OnsiteFull Time
MKS2 Technologies
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
4+ YOE4+ years software engineering experience; Java required, C++ preferred; Docker and CI/CD experience; unit testing (JUnit/Google Test); active Secret clearance; Bachelor's degree required; must work onsite in secure facility.
Java, C++, JUnit, Google Test, Docker, Kubernetes, CI/CD, Jenkins, Atlassian Bamboo, GitLab CI, GitHub Actions
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
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
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
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
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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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
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
2mo
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Front-End Software Engineer
Colorado Springs, Colorado, United States
$122k-$157k/yr OnsiteFull Time
Caliola
Caliola: Develops secure and resilient solutions for mission-critical communications.
7+ YOE7–12 years of front-end software engineering; strong TypeScript/JavaScript; Vue/React/Solid/Angular experience; server-side tech exposure; CI/CD; U.S. government security clearance; Bachelor's in CS or related field.
TypeScript, Vue.js, Node.js, Ionic, Tauri, Git, GitLab
3w
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Software Test Engineer
Colorado Springs or Schriever Air Force Base
$90k-$120k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
2+ YOEActive Secret clearance, Security+ certification, bachelor's in a technical discipline or equivalent, 2+ years relevant experience, experience with MILSATCOM preferred, strong written/verbal communication.
Command and Control System - Consolidated (CCS-C), Windows, Solaris, Linux, Agile
2mo
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26 -216 Software Engineer E4
Colorado Springs or Huntsville
HybridFull Time
Arcarithm
Arcarithm: Develops artificial intelligence and command software for defense missions.
3+ YOEActive transferable DoD security clearance required, 3+ years related experience, strong Java/J2EE or C++ skills, Linux enterprise application development, Agile practices, and familiarity with build/test tools.
Java, J2EE, C++, Linux, Windows, Maven, Git, GitHub, Nexus, Eclipse, DevSecOps
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
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
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
2w
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Software Systems Engineer (Associate or Experienced)
Colorado Springs, Colorado, United States
$99k-$171k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEActive U.S. Top Secret clearance and U.S. person status, Bachelor’s degree or equivalent, 1+ years experience with Python and Java/JavaScript/C++ and TypeScript, CI/CD and Agile experience, security-focused development.
Python, Java, JavaScript, C++, TypeScript, Kubernetes, GitLab, Postgres, SQL, NoSQL, CI/CD
2w
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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
1w
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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
1mo
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Backend Engineer
Colorado Springs, Colorado, United States
$138k-$167k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
3+ YOE3+ years software engineering experience; strong Python, FastAPI, Postgres, AWS, Docker, Kubernetes, Terraform; experience building APIs, multi-tenant cloud services, automation and security; eligible for U.S. security clearance.
Python, FastAPI, postgres, AWS, Docker, Kubernetes, Terraform