55 security software engineer jobs at 36 companies in Simla, CO

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
Save
Mark Applied
Hide
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.
1w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Senior Software Engineer
Colorado Springs, Colorado, United States
$130k-$180k/yr OnsiteFull Time
Omitron
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.
DFDL, XML, JSON, Git, CI/CD, Python, Java, C++, GitLab, JIRA, Confluence, RMF
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Colorado Springs, Colorado, United States
$165k-$230k/yr OnsiteFull Time
Bluestaq
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.
2w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Modernization Software Engineer (Associate or Mid-Level)
Colorado Springs, Colorado, United States
$85k-$141k/yr OnsiteFull Time
Boeing
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.
ReactJS, Redux, JavaScript, TypeScript, HTML, CSS, RESTFul APIs, Java, Jira, Confluence, Bitbucket
1w
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Full-Stack Software Engineer
Colorado Springs, Colorado, United States
$88k-$144k/yr OnsiteFull Time
LMI
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.
React, Angular, Vue.js, Rust, Python, Java, Node.js, JavaScript, HTML5, CSS3, SQL, NoSQL, AWS, Azure, Google Cloud, Django, Flask, Spring, Express.js, Git, Figma, Sketch, Adobe XD, Docker, Kubernetes, CI/CD, RAPTR®
4w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
MID LEVEL SOFTWARE DEVELOPER
Huntsville or Colorado Springs
$100k-$130k/yr OnsiteFull Time
Ignite Fueling Innovation
Ignite Fueling Innovation: Provides professional services and technical solutions for federal agencies.
4+ YOESecret clearance required; 4-7 years software development; Microsoft tech; SQL Server; secure coding; BS in CS/Software Eng preferred.
ASP.NET, C#, SQL Server, SharePoint 365, Web services, Microsoft development technologies
6d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Security Engineer - ISSE
Colorado Springs, Colorado, United States
$104k-$166k/yr OnsiteFull Time
Peraton
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.
ACAS, SCAP, HBSS, Splunk, eMASS, Nessus, Linux, Windows, DevSecOps
3mo
Save
Mark Applied
Hide
NISSC 3 Software Developer III
Colorado Springs, Colorado, United States
$116k-$194k/yr OnsiteFull Time
American Systems
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.
ELMS, RTC, Jira, Confluence, ClearCase, ClearQuest, SQL
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Principal Software Engineer – CI/CD Engineer (26-139)
Colorado Springs, Colorado, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
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