21 principal security engineer jobs at 9 companies in Timnath, CO
2w
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System Security Engineer - Principal
Broomfield or Boulder
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's degree in engineering or related technical field and 6+ years of experience required. Active Top Secret clearance, ability to obtain Top Secret/SCI, and DoW-compliant security certification required.
Model Based Systems Engineering (MBSE), Splunk, Tenable SC, ACAS, HBSS, AWS, NIST, DISA STIGs, CIS benchmarks
3mo
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Principal Engineer, Firmware Security
San Jose or Longmont or Folsom
$161k-$318k/yr OnsiteFull Time
10+ YOEBachelor's degree, 10+ years security firmware experience, applied cryptography and post‑quantum expertise, proficiency in C and Python, experience with SoC/FPGA debugging, and knowledge of storage security standards.
C, Python, Rust, JTAG, FPGA, SoC, Caliptra
3w
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Principal Systems Engineer
Centennial or Louisville
$174k-$239k/yr OnsiteFull Time
15+ YOEBachelor's in related field, typically 15+ years' systems engineering experience, active Secret U.S. security clearance, expertise in requirements, architecture, integration, V&V, and mentoring.
DOORS, CAMEO EA, Rhapsody, Matlab, SysML, Open Mission Systems (OMS), Universal Command and Control Interface (UCI), CCSDS, DTN, TSPI
2mo
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Principal Cyber Security Engineer 2026-01646
Cheyenne or Wyoming
$7k-$8k/mo OnsiteFull Time
1+ YOEDesign and lead enterprise cybersecurity architecture and Zero Trust, manage CrowdStrike and Google Workspace/GCP integration, perform advanced forensics and malware analysis, automate security workflows with Python/PowerShell/Bash, ensure compliance with CJIS/IRS Pub 1075/NIST 800-53; Bachelor's degree (or experience substitution) and fingerprint ...
Google Workspace, Google Cloud Platform (GCP), Google Workspace Admin SDK, GCP Security Command Center, CrowdStrike Falcon, CrowdStrike APIs, Real Time Response (RTR), Active Directory, Python, PowerShell, Bash, Terraform, Ansible, MITRE ATT&CK, REST API, Windows
1mo
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Principal RF Engineer
Boulder, Colorado, United States
$160k-$210k/yr HybridFull Time
U.S. citizen able to obtain security clearance; bachelor's in electrical engineering; extensive RF/microwave and antenna experience; HFSS/FEKO/CST/Microwave Office, MATLAB or Python proficiency; RF lab equipment experience; technical leadership and mentoring.
HFSS, FEKO, CST Studio Suite, Microwave Office, MATLAB, Python, Altium Designer
1mo
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Principal Cybersecurity Engineer
Reston or Boulder
$185k-$277k/yr HybridFull Time
10+ YOE2+ Mgmt10+ years in cybersecurity with 2+ years technical leadership, Bachelor's degree, expertise in incident response, SIEM/SOAR, digital forensics, threat hunting, security automation, cloud-native security, scripting, and AI applied to security.
SIEM, SOAR, Agentic AI, Generative AI
1mo
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering,10+ years experience,expertise in software design,programming (Python,Java,Golang,JavaScript),cloud security and architecture,mentoring and technical leadership.
Python, Java, Golang, JavaScript
1mo
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's degree in CS/engineering/IS,10+ years experience,proficiency in Python/Java/Golang/JavaScript,cloud security and systems design expertise,strong communication and mentoring skills.
Python, Java, Golang, JavaScript
1mo
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Principal Cloud Developer
Andover or Houston or Durham or Fort Collins or Roseville
$152k-$349k/yr HybridFull Time
10+ YOEBachelor's in CS/engineering/IS (or related),typically 10+ years experience, strong programming in Python/Java/Golang/JavaScript, cloud security and systems design expertise, leadership and mentoring experience.
Python, Java, Golang, JavaScript
1mo
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Principal Software Engineer - Embedded OS
Lafayette, Colorado, United States
$153k-$229k/yr OnsiteFull Time
3+ YOEBachelor's/Master's/PhD in engineering or related plus 3–7+ years software development; experience with Yocto/embedded Linux, BSP, device drivers, CI/CD, security; strong debugging and collaboration skills.
AMD Zynq, Zynq UltraScale+ SoCs, Yocto-based Embedded Linux, Embedded hypervisors, Docker, Artifactory, Python, Bash, GNU Make, Bitbucket, Jira, Bamboo, Confluence, GitHub, Gitlab
1mo
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OpenShift Engineer Senior Principal (Lead)
Westminster, Colorado, United States
OnsiteFull Time
8+ YOEBS or equivalent plus 8+ years experience; active TS/SCI with polygraph; multi-cluster OpenShift, GitLab CI, Terraform, Ansible, GitOps, Keycloak, and security/STIG/CMMC compliance experience.
Red Hat OpenShift, GitLab, Terraform, Ansible, Keycloak, Argo CD, Advanced Cluster Manager (ACM), Advanced Cluster Security (ACS), OpenShift Observability, OpenShift GitOps, vSphere, AWS, Ansible Automation Platform
4w
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Principal DevOps Engineer
Berthoud, Colorado, United States
$175k-$215k/yr OnsiteFull Time
8+ YOE8+ years in DevOps/SRE or platform engineering; hands-on with Azure GovCloud/AWS GovCloud, Terraform, Kubernetes, Docker, Helm, GitOps, Prometheus/Grafana, secrets management; ability to obtain U.S. security clearance.
Azure GovCloud, AWS GovCloud, Terraform, Helm, ArgoCD, Flux, Kubernetes, Docker, Prometheus, Grafana, GitOps, GitHub Actions, HashiCorp Vault, AWS/Azure Key Vaults, Packer, Ansible, K3s, Rancher, Artifactory, SonarQube, Open Policy Agent (OPA), Kyverno
1mo
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Principal Software Engineer - Embedded OS
Lafayette, Colorado, United States
$153k-$229k/yr OnsiteFull Time
7+ YOEBachelor's (or higher) in engineering or related field with significant embedded software experience; expertise in Yocto/embedded Linux, BSP, device drivers, CI/CD, secure boot, and SoC platforms.
AMD Zynq, Zynq UltraScale+, Yocto, Embedded Linux, Docker, Artifactory, Python, Bash, GNU Make, Bitbucket, Jira, Bamboo, Confluence, GitHub, Gitlab
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