39 information technology security engineer jobs at 33 companies in Windsor, CO
5d
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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
3mo
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Information Systems Security Engineer
Phoenix or Denver or Las Vegas
$104k-$154k/yr OnsiteFull Time
8+ YOEISSE with CISSP/CCSP/GSEC, Associate's degree, 8+ years IT security experience; willing to travel; located in Phoenix, Denver, or Las Vegas.
Cloud Services, Artificial Intelligence, Network protections, Data classification and protection, Endpoint protection, Vulnerability scanning, Identity and Access Management, Security frameworks, Encryption Management
1mo
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Information Security Analysts
Boulder, Colorado, United States
OnsiteFull Time
Bachelor's degree in cybersecurity, CS, IT, engineering or related field required; master's preferred. Responsibilities include classified information handling, security documentation, and training; security-clearance eligibility considered.
1mo
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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
4w
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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
1mo
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Enterprise Information Systems Engineer
Fort Lupton, Colorado, United States
$99k-$149k/yr OnsiteFull Time
2+ YOE2+ years in systems integration or MES/ERP administration; hands-on NetSuite experience preferred; SQL and API integration proficiency; basic C# scripting; strong communication and information security knowledge.
Manufacturo (MFO), NetSuite, Mangrove, C#, SQL, Google Sheets, Ignition SCADA, Claude AI Coding Assistant, GitHub, Google Cloud Platform, Bartender
17h
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Information Security Lead - Offensive and Threat Intel
Cheyenne, Wyoming, United States
$35-$52/hr OnsiteFull Time
7+ YOERequires seven years of related experience, expertise in Windows/Active Directory, identity attack paths, cloud environments, C2 frameworks, evasion techniques, credential attacks, lateral movement, and detection engineering.
MITRE ATT&CK, BloodHound, Burp Suite, Azure, Microsoft 365, Windows, Active Directory, Kerberos, NTLM, LDAP, SSO, C2, EDR, XDR
3w
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Security Engineer III, Incident Response
Boulder, Colorado, United States
$147k-$210k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience,2+ years security engineering and assessments,2+ years coding experience,incident response experience preferred,strong communication and critical thinking.
1mo
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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
2w
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Cyber Security Analyst & Vulnerability Management Engineer
Westminster or Centennial
$120k-$160k/yr FieldFull Time
5+ YOERequires 5–10+ years in cybersecurity or information security, vulnerability program management, incident response, change management, risk reporting, and infrastructure, cloud, networking, and endpoint technologies.
Tenable, CrowdStrike Falcon, Windows, Linux, Active Directory, Azure AD, Entra ID, MDR, Threat Intelligence, ticketing systems, change management systems
2mo
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Principal Cyber Security Engineer 2026-01646
Cheyenne or Wyoming
$7k-$8k/mo OnsiteFull Time
1+ YOEDesign and lead enterprise cybersecurity architecture and Zero Trust, manage CrowdStrike and Google Workspace/GCP integration, perform advanced forensics and malware analysis, automate security workflows with Python/PowerShell/Bash, ensure compliance with CJIS/IRS Pub 1075/NIST 800-53; Bachelor's degree (or experience substitution) and fingerprint ...
Google Workspace, Google Cloud Platform (GCP), Google Workspace Admin SDK, GCP Security Command Center, CrowdStrike Falcon, CrowdStrike APIs, Real Time Response (RTR), Active Directory, Python, PowerShell, Bash, Terraform, Ansible, MITRE ATT&CK, REST API, Windows
1mo
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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
3mo
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Product Security Architect
Loveland, Colorado, United States
$129k-$214k/yr HybridFull Time
8+ YOE8+ years in product security or related security engineering; lead threat modeling; secure SDLC; hands-on with SAST/DAST/SCA; strong software engineering; degree in CS/CE/cybersecurity; CRA knowledge; lead cross-functional teams.
SAST, DAST, SCA, CI/CD, Vulnerability Management, Secrets Detection
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
3mo
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Systems Infrastructure & Network Security Operations Engineer
Spring or Fort Collins
$93k-$144k/yr OnsiteFull Time
6+ YOE6+ years networking and systems experience with zero-trust design, IaC and automation (Ansible, Terraform, Python), CI/CD for network assets, vulnerability management, cloud networking, and architecture governance; technical degree or equivalent experience.
Ansible, Python, Terraform, Git, Jenkins, GitLab CI, Nessus, Qualys, VMware vSphere, Proxmox, Linux, Windows, F5, InfoBlox, AWS VPC, Azure VNets, TOGAF, ArchiMate, OSPF, BGP, MPLS, VXLAN
1w
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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
3mo
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Security Engineering Manager
Mounds View or Fort Worth or Fridley or Lafayette or Irvine or Memphis or Rice Creek or Jacksonville or Boston
$134k-$202k/yr OnsiteFull Time
5+ YOE5+ Mgmt5+ years exp; Bachelor’s or 3+ with advanced degree; leadership experience preferred; strong security architecture and cloud security skills.
1d
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DevSecOps Engineer
Broomfield, Colorado, United States
$116k-$145k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience and 3+ years in DevOps, security engineering, or DevSecOps. Requires cloud, security controls, vulnerability management, scanning, CI/CD, automation, and scripting experience.
Microsoft Azure, AWS, GitHub, Azure DevOps, Windows Server, IIS
3mo
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Escalations Engineer (L3)
Fort Collins, Colorado, United States
$70k-$85k/yr HybridFull Time
5+ YOE5+ years technical experience; strong customer service; Windows Server/AD, virtualization, networking, security; cloud knowledge; hybrid, client-facing role.
Windows Server, Active Directory, DHCP, DNS, Hyper-V, VMware, Citrix, RDS, LAN, WAN, VoIP, Security design, Azure, AWS, Microsoft 365, Intune
3w
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Senior Cybersecurity Engineer
Berthoud, Colorado, United States
$130k-$162k/yr OnsiteFull Time
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