174 cybersecurity engineer jobs at 86 companies in Lone Tree, CO
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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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Cybersecurity Engineer
Colorado Springs, Colorado, United States
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years cybersecurity engineering experience, Top Secret clearance, Bachelor's degree, RMF and STIG experience, cloud and on-prem security, log analysis, and mentoring ability.
AWS, Azure, eMASS, Xacta, STIG Viewer, SCAP, Python, PowerShell, Bash, SIEM
2w
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Cybersecurity Engineer
Colorado Springs, Colorado, United States
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years cybersecurity engineering experience, Top Secret clearance required, Bachelor's degree, Security+ preferred; experience with RMF, STIGs, vulnerability assessments, cloud and on‑prem security.
eMASS, Xacta, STIG Viewer, SCAP, Python, PowerShell, Bash, SIEM, AWS, Azure
1mo
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Engineer - Cybersecurity
Denver, Colorado, United States
$100k-$133k/yr OnsiteFull Time
6+ YOEBachelor's in CS/technology or equivalent, 6+ years cybersecurity engineering experience, 4+ years with EDR, SEGs, vulnerability management and SIEM, cloud (Azure/AWS) security, industry cert (CISSP, Security+, etc.) required or to be attained within 3 months.
DLP, SIEM, SOAR, EDR, SentinelOne, CrowdStrike, Cylance, Mimecast, Proofpoint, Microsoft Office365 Exchange, Nessus, Qualys, Rapid7, Splunk, LogRhythm, Wireshark, NMAP, Azure, AWS, Windows
1mo
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Senior Cybersecurity Engineer
Boulder or United States
$180k-$198k/yr HybridFull Time
5+ YOE5+ years in security engineering/DevSecOps, experience with IAM/SSO (Okta, Auth0, Azure conditional access), CI/CD security (SAST, DAST, SCA), Kubernetes hardening, PCI technical controls, and SIEM/EDR tooling.
Azure conditional access, Okta, Auth0, CI/CD, SAST, DAST, SCA, WAF, Mondoo, SecurityMetrics, EDR, DLP, SIEM/XDR, Kubernetes, KnowBe4, Security Journey
3w
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Cybersecurity Assessment Engineer
Washington or Maryland or Virginia or Raleigh or Durham or Chapel Hill or Denver or Colorado Springs or Dallas or Fort Worth
$125k-$140k/yr RemoteFull Time
3+ YOE3+ years cybersecurity experience; hands-on cloud and DevSecOps knowledge; familiarity with NIST RMF/SP 800-53, FedRAMP, vulnerability analysis, and authorization artifacts; ability to attain DoD 8570 IAT II (CYSA+ preferred).
Anchore, Trivy, Tenable, Docker, GitLab, Kubernetes, Python, Bash, AWS, Azure, GCP
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/Information Systems; 10+ years in cybersecurity engineering, architecture, and software development; expertise in cybersecurity standards, solutions, and compliance; strong communication and leadership skills.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1 ar Device Identities, cybersecurity Agentic AI, FIPS, TLS/SSH, Cryptography
5d
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Cybersecurity Engineer
Colorado Springs, Colorado, United States
$80k-$115k/yr OnsiteFull Time
3+ YOEBachelor’s degree or equivalent experience, 3+ years in information assurance or cybersecurity development, U.S. citizenship, and eligibility for a DoD Secret clearance. DoD cyber certification preferred.
Windows, Linux, Tenable Assured Compliance Assessment Solution (ACAS), Enterprise Mission Assurance Support Service (eMASS), NIST SP 800-53, Shell Script, PowerShell, Python, MFA, ACLs, Tenable Nessus, Nmap, Metasploit, STIG Viewer, SCAP Compliance Checker, Trellix, Windows Defender, Splunk, Elastic, Windows Event Collector
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/IS, 10+ years cybersecurity engineering/architecture and software development experience, strong knowledge of cybersecurity standards and technologies, ability to design solutions, lead certification/compliance, and mentor teams.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, PQC, EU CRA, 802.1ar, Agentic AI, FIPS, TLS, SSH, Cryptography
2mo
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Senior Cybersecurity Engineer
Princeton or Boulder
$121k-$147k/yr OnsiteFull Time
6+ YOEBachelor's in a related field, CySa+ (or similar), 6+ years cybersecurity engineering, 2+ years CrowdStrike EDR/NG-SIEM experience, NIST 800-171/CMMC, vulnerability scanning, Linux/Windows/AD/IAM, scripting (Python, PowerShell, Bash), DoD clearance eligible.
CrowdStrike EDR, CrowdStrike NG-SIEM, SIEM, Tenable, NinjaOne, AWS, Azure, Python, PowerShell, Bash, NIST 800-171, CMMC, Active Directory, IAM, DevSecOps
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yr HybridFull Time
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography
3w
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Cybersecurity Engineer III
Colorado Springs, Colorado, United States
$170k-$190k/yr OnsiteFull Time
4+ YOEBachelor's or equivalent experience, 4+ years in cybersecurity, experience with SIEM/EDR/firewalls/IAM, cloud security (Azure/AWS), scripting (PowerShell/Python/Bash), and ability to obtain Secret clearance.
SIEM, EDR, IDS/IPS, PKI, IAM, Microsoft Azure, AWS, PowerShell, Python, Bash, Oracle 19c, RHEL 9.7
2mo
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Cybersecurity Engineer SR.
Boulder, Colorado, United States
$130k-$155k/yr OnsiteFull Time
5+ YOEBachelor's in STEM, 5+ years cybersecurity experience including 2+ years ISSO, current Secret clearance and eligible for Top Secret, CompTIA Security+ CE, RMF experience, Agile knowledge, strong communication and programmatic skills for cloud/DevOps environments.
RMF, Cloud Computing, DevOps, Agile
1mo
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OT Cybersecurity Engineer - Mid Level (Denver, CO)
Denver, Colorado, United States
HybridFull Time
5+ YOEBachelor's in CS/Cybersecurity or related, 5+ years OT cybersecurity experience, CISSP/CISM/CompTIA Security+ preferred, incident response and OT risk assessment experience, knowledge of NIST/ISA 62443/ISO 27001, valid driver's license, travel up to 25%.
NIST, ISA 62443, ISO 27001
1mo
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Cybersecurity Engineer
Denver or United States
$80k-$120k/yr RemoteFull Time
Hands-on experience architecting, implementing, and managing security, network, and cloud technologies; experience with SIEM, EDR/MDR, firewalls/IPS/IDS; cloud platform security (Microsoft Azure, AWS, GCP, Microsoft 365); scripting/automation (PowerShell, Bash, Python).
Apollo Aegis, firewalls, IPS/IDS, SIEM, EDR/MDR, Microsoft 365, Microsoft Azure, AWS, GCP, PowerShell, Bash, Python, Fortinet, Sophos, Palo Alto, Cisco, Stellar Cyber, Splunk, LogRhythm, Elastic, Microsoft Azure Sentinel, Tenable, Sevco, Microsoft Entra ID, Google Workspace, SSO, MFA
1d
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Cybersecurity Engineer
Colorado Springs, Colorado, United States
$150k-$190k/yr OnsiteFull Time
7+ YOEBachelor's degree in a technical field, 7–10+ years of relevant experience, US citizenship, active or obtainable TS/SCI clearance, CDS experience, vulnerability assessment tools, RMF, DoD policies, and NIST 800-53 knowledge.
Nessus, Tenable Security Center, Cross Domain Solutions (CDS), Risk Management Framework (RMF), Authorization to Operate (ATO), Authorization to Connect (ATC), System Security Plans (SSP), Security Control Traceability Matrices (SCTM), Security Assessment Reports (SAR), POA&Ms, NIST 800-53, Juniper, Joint SAP Implementation Guide (JSIG), NSA Raise-the-Bar (RTB)
2w
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Systems Cybersecurity Engineer
Colorado Springs, Colorado, United States
$130k-$165k/yr HybridFull Time
10+ YOEUS citizen with Top-Secret clearance, DoD IAM baseline certifications (e.g., CISSP/CASP+/CISM), extensive DoD cybersecurity/RMF experience, ability to manage PPSM/eMASS and lead junior staff.
RMF, eMASS, PPSM, Agile Kanban
2mo
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Senior Cybersecurity Engineer
Atlanta or Hackensack or Washington or Austin or Boston or Charlotte or Dallas or Denver or New York or Philadelphia or Chicago or Rockville
$100k-$125k/yr RemoteFull Time
5+ YOE5+ years security engineering experience with hands-on responsibility for identity, network, cloud, endpoint, and monitoring controls; experience with Azure/AWS/GCP; ability to produce architecture docs and runbooks; mentoring and cross-team leadership; U.S. person required for CUI.
Terraform, Bicep, Pulumi, Sentinel, Open Policy Agent (OPA), SIEM, EDR, Azure, AWS, GCP, IAM, IaC
1mo
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System Cybersecurity Engineer
Colorado Springs, Colorado, United States
HybridFull Time
15+ YOEUS citizen with Secret clearance, DoD IAM Level I certifications, HS diploma or degree+experience alternatives, extensive DoD experience (up to 15 years), expert-level cybersecurity and RMF knowledge, ability to oversee junior staff.
eMASS, Xacta, SGN/CORE, Information Technology Investment Portfolio Suite (ITIPS), DISA STIGs, NIST 800
2w
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Cybersecurity Engineer (Software Assurance / ISSO Support)
Boulder, Colorado, United States
$125k/yr OnsiteFull Time
1+ YOEBachelor's in CS/Cyber/Engineering,1+ year cybersecurity or IT security experience,Security+ CE (IAT II),familiarity with DevSecOps,SAST/DAST/SCA,RMF,DISA STIGs,and ability to obtain required security clearance.
SAST, DAST, SCA, DevSecOps, CI/CD, Linux, Windows, DISA STIGs, Risk Management Framework (RMF)
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