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104 cybersecurity engineer jobs at 68 companies in Centennial, CO

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
4d
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Senior Cybersecurity Engineer (Remote)
San Diego or Denver or Bend or Arizona or Arkansas or Colorado or Connecticut or Delaware or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Mississippi or Missouri or Montana or Nebraska or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or North Dakota or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Texas or Alabama
$127k-$153k/yr RemoteFull Time
SOLV Energy
SOLV EnergyNasdaq: MWH: Builds and maintains utility-scale solar and energy storage infrastructure.
7+ YOE7+ years cybersecurity experience securing cloud (Azure/Entra ID/M365) and OT/ICS, hands-on incident response, vulnerability management, and M&A security due diligence.
Azure, Microsoft 365, Microsoft Entra ID, Microsoft 365 Defender, Amazon Web Services (AWS), Microsoft Sentinel, Splunk, IBM QRadar, PowerShell, Python, KQL, MITRE ATT&CK
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1w
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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
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3d
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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
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1w
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Senior Cybersecurity Engineer
Boulder or United States
$180k-$198k/yr HybridFull Time
Campminder
Campminder: Cloud-based management software for the summer camp industry.
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
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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
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1w
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CyberSecurity AI Engineer
Lincoln or Centennial or Eau Claire or Sidney or Madison or United States
$115k-$155k/yr RemoteFull Time
Nelnet
NelnetNYSE: NNI: Provides student loan servicing and educational payment processing solutions.
3+ YOEBachelor's-equivalent in CS or related, 3+ years in cybersecurity/security engineering, hands-on ML/LLM experience, knowledge of adversarial ML and model risk, scripting in Python, and familiarity with AI governance and security frameworks.
Anthropic Claude, OpenAI, SageMaker, Azure ML, Vertex AI, SIEM, XDR, Python, MITRE ATLAS, OWASP LLM Top 10, PyTorch, TensorFlow, Hugging Face
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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
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3w
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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
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1d
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Cybersecurity Engineer
Reston or Atlanta or Boulder
$130k-$195k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
Hands-on Python, infrastructure-as-code (Terraform), CI/CD, AWS, containerization, security tooling knowledge, and operational/on‑call ownership for security platforms.
Python, Terraform, Jenkins, GitHub Actions, AWS Lambda, Amazon ECS, Amazon S3, IAM, KMS, VPC, EMR, AWS Batch, AWS Glue, Amazon EKS, Docker, Spark, Trino, Hive, SQL, Copilot, Jira, PagerDuty, ServiceNow, SIEM, SOAR, EDR
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3w
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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
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4d
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System Cybersecurity Engineer
Colorado Springs, Colorado, United States
HybridFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
2+ YOEUS citizen with Top-Secret clearance, DoD IAM Level I certification (or equivalent), advanced cybersecurity experience, and multi-year DoD experience; ability to lead RMF, eMASS/Xacta, and vulnerability management.
eMASS, Xacta, SGN/CORE, ITIPS, SAST, DAST, SCA
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2mo
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Cybersecurity Analyst Engineer Specialist
Louisville, Colorado, United States
$97k-$112k/yr OnsiteFull Time
Infleqtion
InfleqtionNYSE: INFQ: Develops neutral-atom quantum computing and precision sensing technologies.
3+ YOEBachelor’s degree in cybersecurity/IT or related field (or equivalent); 3+ years in cybersecurity/IT security; strong networking, OS, and security principles; experience with security tools; preferred cloud security, scripting, and certifications.
SIEM, MXDR, firewalls, IDS/IPS, cloud security, scripting, Python, PowerShell
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1w
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Cybersecurity Engineer - PAM (Hybrid)
Madison or Hopkins or Denver or Boston
$80k-$131k/yr HybridFull Time
American Family Insurance
American Family Insurance: Provides diverse insurance products and comprehensive financial services.
3+ YOEExperience designing and implementing PAM and IAM solutions, 3+ years hands-on PAM/IAM, Python and PowerShell scripting, knowledge of cyber security frameworks, incident response, and security engineering; bachelor's or 5+ years experience.
Python, PowerShell
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3w
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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
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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
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3w
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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
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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
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3mo
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Integration Engineer
Aurora, Colorado, United States
$125k-$140k/yr OnsiteFull Time, Contract
ITSC Secure Solutions
ITSC Secure Solutions: Provides engineering, cybersecurity, and program management to government agencies.
14+ YOEMinimum 14 years of DoD/space/system integration experience; active TS/SCI clearance; bachelor’s degree in engineering or related technical field; strong planning, testing, and RMF cybersecurity knowledge.
RMF, system integration, test planning
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1w
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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
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1mo
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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
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