55 security software engineer jobs at 36 companies in Simla, CO
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
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.
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.
Omitron: Provides aerospace engineering and mission operations for space programs.
6+ YOEUS citizen eligible for U.S. government security clearance; Bachelor's in Software Engineering/CS; 6+ years software engineering experience; schema-driven data formats (DFDL/XML/JSON); Git, CI/CD, automated testing; proficiency in Python/Java/C++; technical leadership and Agile experience.
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.
Bluestaq: Develops secure data management platforms for defense and space missions.
10+ YOEMaster-level technical expert in software engineering with track record of defining strategy and leading large, complex systems; 10+ years; strong leadership and security/compliance focus.
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.
Modernization Software Engineer (Associate or Mid-Level)
Colorado Springs, Colorado, United States
$85k-$141k/yrOnsiteFull Time
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEBachelor's degree,1+ years systems or software engineering experience,ability to obtain U.S. security clearance,experience with web technologies and system integration,knowledge of Agile and security practices.
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.
LMI: Delivers management, technology, and analytics solutions for federal agencies.
2+ YOEBachelor's in CS/Engineering or equivalent with 2+ years software development; experience with modern front-end and back-end technologies, cloud platforms, EM/UI/UX, API design, secure development, and eligibility for U.S. security clearance.
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yrHybridFull Time
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
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
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.
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
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOEBachelor’s degree with 5+ years or Master’s with 3+ years of relevant experience; active Top Secret clearance with SCI eligibility; cybersecurity engineering/ISSE experience in DoD/IC spaces; ability to work across engineering, software, and operations teams.
American Systems: Providing engineering and IT solutions to federal government agencies.
7+ YOE7–10 years in software development; DevSecOps experience; DoD/defense environment; active Top Secret/SCI eligibility; IT/CS-related bachelor’s degree; preferred security certifications.
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.
Boston or Colorado Springs or McLean or Oahu or Remote or Tacoma or Tampa
$180k-$230k/yrRemoteFull Time
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.
Principal Software Engineer – CI/CD Engineer (26-139)
Colorado Springs, Colorado, United States
$104k-$155k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's in CS/Engineering with 5+ years, or Master's with 3+ years, or 9+ years' experience. DoD 8140 IAT II certification, active DoD Secret clearance. Experience building/troubleshooting CI/CD pipelines with GitLab/Jenkins, Ansible, IaC, SDLC/DevOps, Bash/PowerShell, RBAC and security practices.
GitLab, Jenkins, Ansible, Bash, PowerShell, Infrastructure as Code, SDLC, DevOps