11 principal security engineer jobs at 7 companies in Granby, CO
1w
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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
2mo
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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
2w
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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
1mo
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Principal Mechanical Engineer
Louisville, Colorado, United States
$167k-$230k/yr OnsiteFull Time
12+ YOEBachelor's (or equivalent) and typically 12+ years' mechanical engineering experience, expertise in mechanical engineering principles, ability to obtain and maintain a U.S. security clearance, and experience leading design, analysis, integration, and test efforts.
NX, SolidWorks, ANSYS
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
3w
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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
3w
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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
1w
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Sr. Principal Software Engineer
Louisville or Centennial
OnsiteFull Time
15+ YOEBachelor's degree or equivalent experience, 15+ years of related experience, advanced software architecture expertise, leadership skills, Agile/Scrum experience, and ability to obtain and maintain a Secret U.S. security clearance.
Git, Python, C++, Bash, PowerShell, Perl, Ansible, Puppet, Chef, Terraform, JIRA, Confluence, Jenkins, GitHub, GitLab, Bitbucket, MySQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud, Docker, Kubernetes, SysML, UML
4d
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Sr Principal Software Engineer (Clearance Required)
Centennial or Louisville
$206k-$283k/yr OnsiteFull Time
15+ YOEBachelor's degree or equivalent experience, 15+ years of related experience, advanced software architecture expertise, leadership experience, and active Top Secret U.S. security clearance required.
Git, Agile, Scrum, Kanban, Python, C++, FastAPI, Bash, PowerShell, Perl, Ansible, Terraform, Puppet, Chef, JIRA, Confluence, Jenkins, GitHub, GitLab, Bitbucket, MySQL, PostgreSQL, MongoDB, AWS, Azure, Google Cloud, Docker, Kubernetes, Helm, ArgoCD, SysML, UML
2mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Burlington or Golden or Israel
$180k-$220k/yr RemoteFull Time
5+ YOE5+ years security research/penetration testing, 3+ years Python, strong Windows/Linux internals, reverse engineering, cloud (AWS/Azure), and proficiency with security tools (Metasploit, Nmap, Burp).
Python, Metasploit, Impacket, Nmap, Burp, IDA, Ghidra, WinDBG, Radare2, Windows, Linux, AWS, Azure
2mo
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Cyber Researcher, Attack Emulation (Senior / Principal)
Denver or Golden or Colorado or Israel
$180k-$220k/yr RemoteFull Time
5+ YOE5+ years in security research or penetration testing, strong Windows internals and networking, 3+ years Python development, experience with Metasploit/Impacket/Nmap/Burp, reverse engineering (IDA/Ghidra/WinDbg/Radare2), cloud (AWS/Azure), and applied AI/ML concepts.
Python, Metasploit, Impacket, Nmap, Burp, IDA, Ghidra, WinDbg, Radare2, AWS, Azure, Windows, Linux