75 security software engineer jobs at 32 companies in Green Mountain Falls, CO

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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
1w
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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
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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Software Engineer Stf - E4
Littleton, Colorado, United States
$136k-$252k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Embedded software engineer with C/C++, Python, Agile Scrum, software team leadership, and active TS security clearance experience. Must design, integrate, test, and guide complex software development.
C, C++, Python, Linux, Agile, Agile Scrum, Object-Oriented Design, embedded systems, MPSoC
2w
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Junior Software Engineer
Englewood or Denver
$75k-$85k/yr OnsiteFull Time
iLending
iLending: Provides automotive loan refinancing services to lower monthly car payments.
2+ YOERequires 2-4 years of software engineering, Azure cloud development, full-stack development, containers, RESTful APIs, modern programming languages, CI/CD, security, Agile/Scrum, and Azure services experience.
Azure, Kubernetes, Azure Kubernetes Service, React, Angular, .NET Core, Node.js, C#, TypeScript, Git, Azure DevOps, Cosmos DB, Microsoft SQL Server, Azure SQL Database, Web Apps, API Apps, Logic Apps
2w
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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
3mo
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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
2w
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Senior Software Engineer- DevOps
Littleton or Denver
$151k-$205k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
6+ YOEBachelor’s degree or equivalent practical experience; 6+ years in software, DevOps, cloud, or platform engineering; active Top Secret clearance; cloud, containers, CI/CD, Linux, automation, networking, and security experience.
AWS, Azure, Google Cloud, Docker, Kubernetes, OpenShift, GitLab CI, Jenkins, Linux, Angular, React, Java, Amazon Web Services, Ansible, Puppet, Terraform, CloudFormation, GitLab, Argo CD, Prometheus, Grafana, OpenTelemetry, ELK Stack, ESXL, SAFe
3w
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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, proficiency in C# or Java, familiarity with Linux/Windows services, ability to obtain Secret U.S. security clearance and U.S. citizenship required.
C#, Java, C, C++, HTML, Python, Bash, Linux (RHEL), Windows Services
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
1w
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Sr Embedded Software Developer
Denver or Littleton
$182k-$254k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's degree in a relevant engineering or computer science field, 8+ years of embedded software experience, C/C++, RTOS, hardware interfaces, debugging, secure boot, and Zero Trust knowledge.
C, C++, Real-Time Operating System (RTOS), SPI, I2C, UART, PCIe, FPGA, JTAG, NIST SP 800-207, Zero Trust Architecture (ZTA), Secure Boot, NIST SP 800-53, Risk Management Framework (RMF), HAIPE, TACLANE, KG-series, FIPS 140-2, FIPS 140-3, TPM, HSM, PUF, PKI
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
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
2mo
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Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
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
3w
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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
4w
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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