149 sr security software engineer jobs at 82 companies in Parker, CO
1w
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Software Security & Architecture Engineer
Colorado Springs, Colorado, United States
$129k-$194k/yr OnsiteFull Time
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
3mo
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Software Engineer Sr.
Huntsville or Littleton or Sunnyvale
$93k-$186k/yr OnsiteFull Time
Requires US citizenship and Secret clearance. Experience with mid-to-large scale software development, modern languages (C++ or Java), HW/SW integration, embedded/flight systems, and Agile; Security+ desired.
C++, Java, Agile
3mo
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Sr Software Engineer, Ground Software
Centennial or Louisville
$157k-$215k/yr OnsiteFull Time
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
2mo
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Senior Software Security Engineer
Golden, Colorado, United States
$130k-$180k/yr OnsiteFull Time
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
2w
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Sr. Software Engineer (Contract)
Arlington or Denver or Houston or Merritt Island or United States
RemoteContract
8+ YOEBachelor's in STEM (Masters preferred). 8 years' experience (6 with Masters) designing and developing embedded/aerospace software. Proficiency in C/C++. US citizenship and ability to obtain government security clearance required.
C, C++
2w
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Senior Software Engineer, Identity Security (Golang)
Denver, Colorado, United States
OnsiteFull Time
Deep technical expertise in security and identity for cloud workloads, large-scale operations experience, and strong software engineering skills.
Golang
3w
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Software Developer
Colorado Springs, Colorado, United States
$100k-$110k/yr OnsiteFull Time
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.
1mo
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Sr Full Stack Software Developer
Denver or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with polygraph preferred, 5+ years software development, proficiency in Java and JavaScript, Linux experience, willingness to obtain Security+; Bachelor's in CS or accredited bootcamp required.
Java, JavaScript, Linux, Kubernetes, Elasticsearch, Java Spring Boot framework, AWS, WebSocket's, RESTful API
1mo
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Sr Full Stack Software Developer
Denver or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance (polygraph preferred), 5+ years software development, proficiency in Java and JavaScript, Linux experience, bachelor's in CS or coding bootcamp, Security+ (or willingness), cloud and microservice experience.
Java, JavaScript, Linux, Kubernetes, Elasticsearch, Spring Boot, AWS, WebSocket, RESTful API
1w
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Sr. Satellite Flight Software Engineer - TeraWave
Seattle or Denver
$182k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOEBachelor's degree,10+ years embedded/flight software experience for spacecraft or mission-critical systems; proficiency in C/C++,Python,RTOS,EMBEDDED LINUX/VxWorks/QNX; experience with CI/CD, verification, and secure software practices.
C, C++, Python, Embedded Linux, VxWorks, QNX, TCP/IP, UDP, CAN, I2C, SPI, RS-422/485, core Flight System (cFS), F Prime, Software-in-the-loop (SIL), Hardware-in-the-loop (HIL), CI/CD
2mo
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Senior Software Engineer
Littleton, Colorado, United States
$120k-$150k/yr OnsiteFull Time
Full-time Senior Software Engineer with C/C++ experience; US citizen; security clearance required.
C, C++
2mo
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Senior Software Engineer
Denver or Salem
$130k-$150k/yr OnsiteFull Time
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
2w
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Senior Software Engineer — PingOne Platform Administration & Security
United States or Denver
$110k-$138k/yr RemoteFull Time
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
2mo
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Principal Software Engineer
Denver, Colorado, United States
$225k-$270k/yr HybridFull Time
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
1mo
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Sr. Software Test Engineer (Contingent)
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable TS/SCI clearance and U.S. citizenship, 5+ years relevant experience (or 3+ with advanced degree), experience with automated test frameworks, Agile/CI workflows, and validating functional/performance/security requirements.
1w
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Embedded Software Engineer
Huntsville or McLean or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
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
6d
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Software Engineer III
Lone Tree or Englewood
$108k-$149k/yr HybridFull Time
6+ YOEBachelor's in CS or related,6+ years software development,proficiency in C# or Java,experience with Linux/RHEL and Windows services,hardware integration experience,ability to obtain U.S. Secret security clearance.
C#, Java, Linux (RHEL), Windows services, C, C++, HTML, Python, Bash
5d
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Senior Software Engineer, Radar
Broomfield or Fort Collins
$190k-$252k/yr OnsiteFull Time
5+ YOE5+ years software development experience; proficiency in C++; experience with Nix/NixOS, API design, reproducible builds, and software quality/security practices; Bachelor's in CS/CE or related.
C++, Python, Nix, NixOS, Lattice OS, gRPC, Protobuf, ZeroMQ, DDS, Docker, Linux
4w
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Modernization Software Engineer
Colorado Springs, Colorado, United States
HybridFull Time
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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Embedded Software Engineer
Boulder, Colorado, United States
$93k-$133k/yr HybridFull Time
5+ YOEBS in engineering or related field, 5+ years embedded real-time software development experience with Linux-based systems, proficiency in C/C++, bash and Python, Git, familiarity with hardware interfaces and security standards, autonomous design skills, and legal US work authorization.
Linux, NXP PowerPC, C, C++, bash, Python, Git, Yocto, LFS, Gentoo, GDB, KernelShark, ftrace, Azure DevOps, TCP/IP, TLS, I2C, SPI, UART, oscilloscope, logic analyzer, debugger