88 cybersecurity engineer jobs at 59 companies in Aurora, CO

5d
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Principal Cybersecurity Engineer
Reston or Boulder
$185k-$277k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
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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Engineer - Cybersecurity
Denver, Colorado, United States
$100k-$133k/yr OnsiteFull Time
Frontier Airlines
Frontier AirlinesNasdaq: ULCC: Provides low-fare passenger air transportation services across the Americas.
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
2w
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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
Second Front Systems
Second Front Systems: Secure cloud hosting and automated compliance for government software.
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
2d
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Senior Cybersecurity Engineer
Berthoud, Colorado, United States
$130k-$162k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
4+ YOE4+ years cybersecurity engineering in regulated environments, bachelor's in relevant field or equivalent, expertise with NIST SP 800-171/CMMC L2 and hybrid IT/OT security, ability to work with engineering stakeholders and obtain US security clearance.
SIEM, firewalls, Zero-Trust Network Access, identity platforms, vulnerability management, site-to-site VPNs, micro-segmentation
1mo
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Senior Cybersecurity Engineer
Princeton or Boulder
$121k-$147k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
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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Cybersecurity Engineer SR.
Boulder, Colorado, United States
$130k-$155k/yr OnsiteFull Time
Tech7
Tech7: Provides defense engineering and technology integration for government missions
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
4d
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Cybersecurity Engineer (Software Assurance / ISSO Support)
Boulder, Colorado, United States
$125k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
1+ YOEBachelor's in CS/Cybersecurity/Engineering,1–3 years cybersecurity or software security experience,Security+ CE (DoD IAT II),ability to obtain required security clearance,knowledge of secure coding,DevSecOps,and RMF/ATO processes.
SAST, DAST, SCA, CI/CD, DevSecOps, DISA STIGs, RMF, Linux, Windows
1mo
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OT Cybersecurity Engineer - Mid Level (Denver, CO)
Denver, Colorado, United States
HybridFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Global provider of high-end consulting and engineering services.
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
Apollo Information Systems
Apollo Information Systems: Provides intelligence-led cybersecurity services and managed security programs.
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
1mo
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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
Aprio
Aprio: Provides business advisory, accounting, and tax services globally.
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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Cybersecurity Forward Deployed Engineer - FDE - Consultant
Atlanta or Milwaukee or Herndon or Dallas or Columbus or Kirkland or Irvine or Cincinnati or New York or Cleveland or Oklahoma City or Austin or Albany or Chicago or Arlington or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or Mountain View or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$54k-$235k/yr FieldFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years engineering experience in cybersecurity, 1+ year deploying agentic AI in production, 3+ years cloud security experience (AWS/Azure/GCP), bachelor\u0002s degree or equivalent.
Claude Code, Cursor, GitHub Copilot, AWS, Azure, GCP, OWASP LLM Top 10, NIST AI RMF
1mo
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Cybersecurity Researcher Reverse Engineer
Golden, Colorado, United States
$100k-$217k/yr OnsiteFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
Ability to perform deep firmware and hardware reverse engineering, develop exploits for constrained embedded systems, analyze industrial control and smart grid protocols, and obtain DOE/DoD security clearance; relevant degree and several years of experience required.
RTOS, VxWorks, QNX, FreeRTOS, JTAG, UART, SWD, CAN, I2C, SPI, Modbus, DNP3, IEC 61850, GOOSE, SV, CIP, EtherNet/IP, OCPP, IEEE 2030.5, MQTT, ARM, MIPS, PowerPC, ASLR, DEP/NX
1mo
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OT Cybersecurity Engineer - Mid Level (Denver, CO) in Denver, Colorado, United States
Denver, Colorado, United States
HybridFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Provides global consulting and engineering services for water and environment.
5+ YOEBachelor's in CS/cybersecurity, 5+ years in OT cybersecurity, CISSP/CISM/Security+ preferred, experience with incident response, risk assessments, NIST/ISA 62443/ISO 27001, valid driver's license, ability to work with DoD, travel up to 25%.
NIST, ISA 62443, ISO 27001
1mo
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DevOps Engineer - Senior
Denver or St. Louis or Sterling
$99k-$207k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOETS/SCI required, Bachelor's in CS/IT/Engineering/Cybersecurity, 10+ years in DevOps/SRE/platform engineering, strong CI/CD, containerization, IaC, Linux, scripting (Python/Bash/PowerShell), Git, and mentoring experience.
Jenkins, GitLab CI/CD, GitHub Actions, Linux, Python, Bash, PowerShell, Git, Docker, Kubernetes, Terraform, Ansible, CloudFormation, AWS, Azure, Grafana, Prometheus, Splunk, ELK
3w
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Staff Product Security Systems Engineer
Longmont, Colorado, United States
$120k-$1600k/yr OnsiteFull Time
nLIGHT
nLIGHTNASDAQ: LASR: Designs and manufactures high-power semiconductor and fiber laser systems.
5+ YOE5+ years systems or product cybersecurity engineering, Bachelor's in related field, US DoD clearance eligible, MBSE with Cameo, hands-on cybersecurity, MATLAB or C/C++/C#/Java experience.
Cameo Systems Modeler, MATLAB, C, C++, C#, Java, GitLab CI/CD
2mo
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Staff Mission COMSEC Engineer
Denver or Long Beach
$160k-$265k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
10+ YOE10+ years in security architecture or encryption engineering; TS/SCI with eligibility; DoD 8140 IAT Level III; TEMPEST for space; NSA Type 1 crypto; space system experience; Bachelor degree in CS/Cybersecurity/Engineering or related field.
TEMPEST, NSA Type 1 cryptographic solutions, NIST 800-53, CNSSI 1253, ITAR
1mo
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Automation Controls Engineer
Columbus or Denver
OnsiteFull Time
STAQ Pharma
STAQ Pharma: Produces sterile injectable medications for hospitals and healthcare systems.
3+ YOE3+ years automation/controls experience in regulated manufacturing; PLC/HMI/VFD/SCADA/BMS programming and troubleshooting; bachelor's in engineering or CS (or equivalent); cybersecurity awareness; domestic travel between Columbus and Denver; U.S. work authorization.
PLCs, HMIs, Ignition, SCADA, Building Management System (BMS), Rockwell (Allen-Bradley), Siemens, B&R, VFDs, Rockwell PowerFlex, Schneider Electric Altivar
2mo
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Principal SDET, Cybersecurity Test Engineer (Lakewood, CO, US)
Lakewood, Colorado, United States
$144k-$180k/yr HybridFull Time
Terumo Blood and Cell Technologies
Terumo Blood and Cell TechnologiesTokyo Stock Exchange: 4543: Manufactures medical devices for blood and cell therapy processing.
8+ YOE8+ years SDET experience; 5+ years cybersecurity testing; Bachelor's in CS/Engineering or equivalent; strong security testing capabilities and CI/CD experience.
C#, C++, Python, Docker, REST APIs, JSON, Azure, Git, SAST/DAST tools
2w
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Lead DevOps Engineer
San Diego or Denver or Arlington or Boston
$175k-$240k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
5+ YOEU.S. citizen with active TS/SCI clearance, BS in CS or related and 5+ years' experience. Experience with CI/CD, cloud platforms, containerization, Kubernetes, Python, Linux, and cybersecurity fundamentals.
Gitlab, AWS, Azure, Google Cloud, Ansible, Chef, Docker, Podman, Kubernetes, EKS, Rancher, Python, Linux Shell, Jira, ArgoCD, Flux, Nexus, Artifactory, SonarQube, Coverity, TerraForm
1mo
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Sr DevSecOps Engineer
Lafayette, Colorado, United States
$125k-$187k/yr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
7+ YOEBachelor's degree and multi-year experience in embedded Linux, Yocto, CI/CD, secure software supply chain, vulnerability management, and embedded platform security; strong cybersecurity and risk-analysis skills.
AMD Zynq, Zynq UltraScale+, NVIDIA ORIN, SafeRTOS, FreeRTOS, Yocto, Docker, Snyk, SonarQube, Python, Bash, Go, Bitbucket, Jira, Bamboo, Confluence, GitHub, GitLab, CI/CD