134 senior security engineer jobs at 54 companies in Eaton, CO
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Senior Information Security Engineer
Lafayette, Colorado, United States
$110k-$150k/yr RemoteFull Time
5+ YOERequires 5+ years in security engineering or related work, cloud and infrastructure security expertise, scripting with PowerShell or Python, security framework experience, and a bachelor's degree or equivalent experience.
CrowdStrike, Rapid7, InsightIDR, InsightVM, InsightAppSec, Cisco Umbrella, Cisco Duo, KnowBe4, Cisco Meraki, VPN, Azure, AWS, Microsoft 365, Microsoft Entra ID, AWS Identity Center, Auth0, SSO, SCIM, Conditional Access, PIM, SAST, DAST, Snyk, CI/CD, Infrastructure as Code, Kubernetes, PowerShell, Python, Microsoft Graph, REST APIs, SendGrid, Amazon SES, SPF, DKIM, DMARC, ChatGPT Enterprise, Claude, MCP, Windows, Linux, NIST CSF
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
2w
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Information System Security Engineer - Senior
Broomfield or Boulder
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor's degree in engineering or related technical field plus 4+ years' experience, or equivalent. Requires active TS/SCI polygraph clearance, DoW security certification, and knowledge of NIST, DISA STIGs, CIS benchmarks, Splunk, Tenable, and HBSS.
NIST, DISA STIGs, CIS benchmarks, Splunk, Tenable SC/ACAS, HBSS, DevSecOps, AWS, SPARTA, MITRE ATT&CK Framework
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
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Senior Application Security Engineering Lead
Boulder, Colorado, United States
$155k-$185k/yr OnsiteFull Time
8+ YOEBachelor's plus 8+ years cybersecurity/software experience (or equivalent), 2+ years application security, source-code analysis, secure SD practices, ability to obtain DoD Secret clearance and meet DoD 8140.01, strong communication and collaboration skills.
C++, Python, JavaScript, Rust, Coverity, Klocwork, SonarQube, Snyk, Sonatype, Anchore, JFrog Xray, AFL, AFL++, honggfuzz, strace, eBPF, Ghidra, IDA Pro, MITRE ATT&CK
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Senior Information Systems Security Engineer
Boulder, Colorado, United States
$112k-$196k/yr OnsiteFull Time
5+ YOEActive Top Secret clearance,5+ years relevant experience,Bachelor's or equivalent experience,Security+ required,RMF/ATO experience,Windows and Red Hat administration,security toolset operation,and vulnerability scanning.
Windows, Red Hat Enterprise Linux, Symantec, Logrhythm, Chef, Puppet, Ansible, Docker, Kubernetes, Nessus, OpenVAS, SCC
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IT Security Engineer III
Niles or Fort Collins or Rockford
$105k-$168k/yr HybridFull Time
Experienced network security engineer with deep firewall expertise, VPN/SASE/NAC knowledge, log analysis ability, and strong collaboration and problem-solving skills.
firewall, VPN, SASE, NAC
1d
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Staff Cloud Security Engineer
Westminster or Longmont
$105k-$154k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Secret clearance, Security+, 5 years of DevOps, software, or infrastructure engineering experience, cloud experience, Terraform and K8S experience, and a bachelor's degree or equivalent experience.
Terraform, K8S, Jenkins, Python, Java, CI/CD
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Senior Engineer II- Information Security Systems
Boulder, Colorado, United States
$70k-$205k/yr OnsiteFull Time
7+ YOEUS citizen with active Top Secret/SCI w/ CI Poly, bachelor or equivalent, 7+ years cybersecurity engineering experience with NIST RMF expertise, troubleshooting Linux/Windows, Cisco, and enterprise storage, and hands-on compliance tools.
NIST Risk Management Framework (RMF), NIST SP 800-53, ICD 503, CNSSI 1253, DISA STIGs, Linux, Windows, Cisco, Tenable, ACAS, Splunk, ELK, HBSS, ESS, SIEM
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Senior ICT/Security Designer
Denver or Grand Junction or Durango or Fort Collins or Colorado Springs or Portland
OnsiteFull Time
10+ YOEBachelor's in Electrical Engineering (or equivalent), minimum 10 years security system design experience, familiarity with Autodesk, RCDD preferred; BICSI and PSP credentials and data center/federal experience are a plus.
Bluebeam, Microsoft Office, Revit, AutoCAD, Autodesk
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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
1mo
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Senior Turbomachinery Engineer
Berthoud, Colorado, United States
$112k-$140k/yr OnsiteFull Time
5+ YOEB.S. in mechanical or aerospace engineering,5+ years turbomachinery design experience,2+ years CAD (Siemens NX or PTC Creo),EMSA/security clearance eligibility,U.S. Person.
Siemens NX, PTC Creo, ANSYS FEA, CFD, CFX, Fluent
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Senior Information Security Engineer, Offensive Security
Boulder, Colorado, United States
$175k-$250k/yr OnsiteFull Time
3+ YOEMust be US citizen able to obtain TS/SCI with poly, Bachelor\u0002s in CS or 5 years\u0002 experience, minimum 3 years related experience, formal offensive cyber training, experience in network exploitation/red teaming, proficiency with UNIX/Linux and Windows.
UNIX, Linux, Windows
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Senior Security Automation & SOAR Engineer
New York or Boulder or Princeton
$140k-$155k/yr OnsiteFull Time
5+ YOE5+ years designing and implementing SOAR automation, strong incident response experience, Python and YARA proficiency, REST API and integrations, SIEM/SOAR/EDR platform expertise, AWS and IaC experience, data analysis with Pandas/SQL/Elasticsearch.
Python, YARA, REST API, Splunk, Elastic, Sentinel, Phantom, XSOAR, Swimlane, CrowdStrike, SentinelOne, Microsoft Defender, AWS, Terraform, CloudFormation, Pulumi, Pandas, SQL, Elasticsearch, Google SecOps platform, Agentic AI, Large Language Models, Okta, Microsoft Entra ID, SailPoint, Proofpoint, Mimecast, Git, GitLab, Bitbucket, Docker, Podman, containerd, Jenkins, GitLab CI, Azure DevOps, ThreatConnect, Anomali, MISP
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Senior Systems Engineer
Cheyenne or Gilbert
$96k-$138k/yr OnsiteFull Time
5+ YOEBachelor's degree in a technical discipline,5+ years systems engineering experience,proficiency with infrastructure-as-code,datacenter networking,DFS administration,security tooling,Python/Go/Java,and participation in 24/7 on-call duties.
Python, GoLang, Java, SALT, Chef, Puppet, Ansible, Windows, Active Directory, DNS, WSUS, IPS/IDS, XDR, network scanners
2mo
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Senior Systems Engineer, Battlespace
Broomfield, Colorado, United States
$126k-$167k/yr OnsiteFull Time
5+ YOE5+ years hardware and software systems engineering; MBSE; Python; ML; MBSE tools; travel up to 25%; US work authorization; security clearance eligible.
JAMA, Cameo, Matlab, Simulink, AFSIM, Python, MBSE tools
3mo
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Product Security Architect
Loveland, Colorado, United States
$129k-$214k/yr RemoteFull Time
8+ YOE8+ years in product/application security or security engineering; experience with threat modeling, secure architecture reviews, SAST/DAST/SCA, and vulnerability management; strong software engineering background and cloud security knowledge.
SAST, DAST, SCA, secrets detection, CI/CD, Java, C#, C, C++
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Senior Director AI Security
Albany or Annapolis or Atlanta or Augusta or Austin or Baton Rouge or Bismarck or Boise or Boston or Carson City or Charleston or Cheyenne or Columbia or Columbus or Concord or Coral Gables or Denver or Des Moines or Dover or Frankfort or Hagåtña or Harrisburg or Hartford or Helena or Honolulu or Indianapolis or Jackson or Jefferson City or Juneau or Lansing or Lincoln or Little Rock or Madison or Montgomery or Montpelier or Nashville or Oklahoma City or Olympia or Phoenix or Pierre or Providence or Raleigh or Richmond or Sacramento or Saint Paul or Salem or Salt Lake City or San Juan or Santa Fe or Springfield or Charlotte Amalie or Tallahassee or Topeka or Trenton or Washington
$150k-$200k/yr OnsiteFull Time
10+ YOE5+ MgmtBachelor's degree required; 10+ years cybersecurity leadership, 3+ years AI/ML security, 5+ years security architecture or engineering leadership, cloud security experience, and CISSP required.
Generative AI, Large Language Models (LLMs), AI agents, machine learning, Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, NIST AI Risk Management Framework, NIST Risk Management Framework (RMF), NIST Privacy Framework, NIST Cybersecurity Framework (CSF), ISO27001, ISO 42001, NIST 800 Series, OWASP GenAI Security Project, Workday
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Senior Staff Security Product Architect
Mountain View or Pittsburgh or Seattle or Broomfield or Detroit or Bozeman or San Francisco
$191k-$340k/yr HybridFull Time
15+ YOE15+ years in security architecture, system security engineering, or product security; bachelor's or master's STEM degree; expertise in embedded security, cryptography, secure protocols, threat modeling, and technical leadership.
TARA, STRIDE, Secure Boot, ARM TrustZone, HSM, TPM, SecOC, CAN, Ethernet, TLS, ISO/SAE 21434, ASPICE, ISO 27001, UNECE R155/R156
2mo
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Senior Infrastructure Engineer
Boulder, Colorado, United States
$140k-$175k/yr HybridFull Time
5+ YOE5+ years of experience maintaining large-scale distributed systems; BS or MS in CS/CE; cloud and on-prem infrastructure; CI/CD; Azure/AWS/GCP; Docker/Podman; Terraform/Ansible; monitoring/observability; security best practices.
Azure, AWS, GCP, Proxmox, Docker, Podman, GitLab CI/CD, GitHub Actions, Terraform, Ansible, Helm, Kubernetes, Datadog, Grafana, Perf tools, systemd-analyze, iostat
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