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227 security software engineer jobs at 105 companies in Castle Rock, CO

1w
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Software Security & Architecture Engineer
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
6+ YOEBachelor's in computer/software engineering,6+ years in software architecture/engineering,ability to obtain US security clearance,experience with software supply chain security,SBOMs,containerization,cloud,team leadership.
SPDX, CycloneDX, VEX, Dependency-Track, Syft, Grype, Sonatype, DefectDojo
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2mo
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Senior Software Security Engineer
Golden, Colorado, United States
$130k-$180k/yr OnsiteFull Time
Loft Federal
Loft Federal: Provides rapid orbital access for national security space missions.
5+ YOE5+ years in software development; 3+ years in security-focused roles; strong knowledge of DevSecOps, Zero Trust, container security; secure SDLC practices; scripting (Python, Bash, C++); Linux hardening; IaC; CI/CD security; security certifications.
Python, Bash, C++, Linux, IaC, Terraform, Helm, Ansible, SAST, DAST, SCA, SBOM, SonarQube
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1w
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Senior Software Engineer, Identity Security (Golang)
Denver, Colorado, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Deep technical expertise in security and identity for cloud workloads, large-scale operations experience, and strong software engineering skills.
Golang
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12h
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Staff Security Engineer (DevSecOps)
Irvine or San Francisco or Denver
$205k-$220k/yr HybridFull Time
Compa
Compa: AI-powered compensation intelligence platform for enterprise teams.
Experienced software security engineer with hands-on DevSecOps: CI/CD security, container scanning, threat modeling, secrets management, and building security tooling; AWS and AI security experience preferred.
CI/CD, container security scanning, dependency and image analysis, SAST/DAST, secrets management, AWS, SAML, SCIM, RBAC, MCP
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2mo
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Software Engineer
Littleton, Colorado, United States
$75k-$95k/yr OnsiteFull Time
OASYS
OASYS: Provides technology services and products for government and defense.
Experience in C/C++, full software lifecycle, US citizenship, ability to obtain security clearance.
C, C++, RTOS, GreenHill, VxWorks, MBSE, Agile
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2w
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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.
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3w
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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
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1mo
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Software Engineer II
Lone Tree or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related, 2+ years software development experience, proficiency in C++, Java, or Python, knowledge of engineering principles, and active Secret U.S. security clearance required.
C++, Java, Python, C, C#, HTML, Bash
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2mo
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Senior Software Engineer
Denver or Salem
$130k-$150k/yr OnsiteFull Time
AutoStore
AutoStoreOslo Stock Exchange: AUTO: Robotic cube storage systems for automated warehouse fulfillment.
5+ YOE5+ years in software development; Bachelor’s or Master’s in CS/Engineering; strong API, security, and data tooling experience.
Git, OpenAPI, OAuth, RabbitMQ, Apache Kafka, Azure Service Bus, Event Hubs, Azure Databricks, TypeScript, C#, F#, PostgreSQL
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3w
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Software Engineer II
Denver, Colorado, United States
$70k-$109k/yr OnsiteFull Time
CONMED
CONMEDNYSE: CNMD: Manufacturer of surgical instruments and patient monitoring medical devices.
2+ YOEBS in computer or electrical engineering,2+ years Java/C/C++ software development in embedded or regulated environments,component ownership,unit/integration test and verification,secure coding,strong communication.
Java, C, C++, SQL, Python, MATLAB, Ruby, R
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1mo
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Software Engineer
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's in a technical field, TS/SCI with polygraph, 5+ years software development experience with Java and/or Python, web frameworks, relational/NoSQL databases, Agile experience, and secure coding practices.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD
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2w
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Senior Software Engineer — PingOne Platform Administration & Security
United States or Denver
$110k-$138k/yr RemoteFull Time
Ping Identity
Ping Identity: Provides identity and access management software for enterprise security.
5+ YOE5+ years software engineering experience with backend services; Java and NodeJS experience; TypeScript and REST API familiarity; experience with SaaS, CI/CD, distributed systems, and mentoring peers.
Java, NodeJS, TypeScript, REST APIs, CI/CD, MCP
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2mo
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Principal Engineer, Mission Software
Arvada or Los Angeles or San Francisco or Seattle or Washington
HybridFull Time
Quindar
Quindar: Cloud-native software for automated satellite mission operations.
8+ YOE3+ MgmtLead complex software and systems engineering in aerospace/defense; architecture focus; leadership; government programs; security clearance readiness.
Programming, Software Architecture, Distributed Systems, APIs, Operator tooling, Mission-critical applications
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1mo
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Software Engineer
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in CS or related, 5+ years software development experience, Java and/or Python proficiency, experience with web frameworks and databases, TS/SCI clearance with polygraph required, Agile and secure coding experience.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD
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2mo
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Principal Software Engineer
Denver, Colorado, United States
$225k-$270k/yr HybridFull Time
FusionAuth
FusionAuth: Provides authentication and user management software for developers.
12+ YOEBachelor's in CS or equivalent; 12+ years software engineering; 5+ years in identity/security; hands-on leadership; strong Java; CIAM expertise.
Java, PostgreSQL, MySQL, OAuth, OpenID Connect, SAML, SCIM
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2w
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Embedded Software Engineer
Northglenn, Colorado, United States
$115k-$165k/yr HybridFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
4+ YOEEngineering/CS degree, 4+ years software/embedded experience, embedded Linux expertise, version control and testing practices, security-clearance eligibility required.
Linux, PX4, Ardupilot, ROS, ROS2
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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
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1d
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Battle Management Software Engineer
Greenwood Village, Colorado, United States
$110k-$190k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
3+ YOEBachelor's in CS or related,3+ years software engineering with frontend/web focus,Linux and Git experience,mentoring and collaboration skills,ability to obtain security clearance.
Node.js, TypeScript, React, PostgreSQL, Python, Docker, Git, WebGL, Linux, CI/CD
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2mo
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Sr Software Engineer, Ground Software
Centennial or Louisville
$157k-$215k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
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
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1w
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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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