66 infrastructure security engineer jobs at 50 companies in Colorado
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Senior Infrastructure Engineer
Boulder, Colorado, United States
$140k-$175k/yrHybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
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.
Woodbridge or New York City or Atlanta or Boston or Chicago or Dallas or Delaware or Denver or Garden City or Cayman Islands or Greenwich or Houston or Los Angeles or Miami or Naples or Nevada or Palm Beach or San Diego or San Francisco or Seattle or Stuart or Washington
$160k-$200k/yrHybridFull Time
Bessemer Trust: Wealth management and family office services for affluent clients.
7+ YOE7+ years in DevOps/platform/cloud infrastructure engineering; strong AWS (IAM, CloudFormation, Lambda, API Gateway, VPC, CloudWatch, SSM, Secrets Manager, ECR); AWS CDK/CloudFormation/Terraform; CI/CD (Bitbucket/GitHub Actions, OIDC); container and datastore operations; security fundamentals.
RefinedScience: AI platform for precision drug discovery and clinical development.
Design and maintain GCP infrastructure using IaC (Terraform/Pulumi), manage cloud networking and compute, build CI/CD pipelines, implement observability and security controls in a regulated research environment.
8+ YOEDesigning, installing, terminating, testing, troubleshooting, and maintaining secure/non-secure voice, video, data, and RF cable infrastructure in military environments; physical stamina and ability to lift up to 60 lbs.
8+ YOE8+ years in IT support/systems administration in Microsoft 365 environments; expertise with endpoint security, networking, Azure/on‑prem infrastructure, documentation, and incident response.
Entra, Intune, Veeam, VMware vCenter, Windows Server, Azure Files, Cloudflare One, Unifi, Cisco, SentinelOne, KnowBe4 Defend, Deep Seas, Microsoft 365, Microsoft Defender for Endpoint, Cloudflare WARP, AWS EC2, Jira
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR: Global provider of engineering, architecture, environmental and construction services.
3+ YOEBachelor's or equivalent; minimum 3 years in infrastructure automation/platform engineering; scripting with Python, PowerShell, or JavaScript; experience with REST APIs, CI/CD/Git, Terraform or Ansible; knowledge of cloud (Azure/AWS) and security fundamentals.
KlaviyoNYSE: KVYO: Software platform for automated e-commerce marketing and customer data.
7+ YOE7+ years in security or infrastructure engineering; expertise in IAM, Zero Trust, endpoint security, and cloud security; Terraform; AWS; enterprise IdP (Okta); Cloudflare; CNAPP tools; SAML/SCIM/OIDC.
Infrastructure Engineer II (TS/SCI with CI Polygraph)
Aurora, Colorado, United States
$95k-$128k/yrOnsiteFull Time
DeNOVO Solutions: Provides defense and intelligence technology, software engineering, and cybersecurity services.
4+ YOE4+ years supporting enterprise IT infrastructure; Bachelor's degree or equivalent; active CompTIA Security+ CE or IAT Level II; experience with Linux, Windows, virtualization, networking, storage, backup, containers, scripting, and automation; TS/SCI with CI Polygraph required.
Red Hat Enterprise Linux (RHEL), Rocky Linux, Ubuntu, Microsoft Windows Server, VMware vSphere, ESXi, Active Directory, DNS, DHCP, Group Policy, Microsoft Exchange Server, Microsoft 365, Cisco, Juniper, Palo Alto, Fortinet, VLANs, VPNs, NetApp, Dell EMC Unity, PowerMax, Hitachi VSP, SAN/NAS, Veeam, Rubrik, Commvault, Veritas, Docker, Kubernetes, OpenShift, PowerShell, Python, Bash, Ansible, Infrastructure-as-Code, NVIDIA, HPE, Dell, SolarWinds, Splunk, Grafana, Nagios, Prometheus, Jira, Confluence, AWS, Azure Government, Hybrid Cloud
Production Support Engineer - Security & Infrastructure (Cary)
Cary or Arizona or California or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Massachusetts or Maryland or Minnesota or North Carolina or New Jersey or New York or Pennsylvania or Tennessee or Texas or Utah or Virginia
HybridContract
FDM GroupLondon Stock Exchange: FDM: Provides IT consulting, technical training, and staff augmentation services.
Experience supporting endpoint security and infrastructure (MDE), PowerShell scripting, Ansible, Linux, and GCP; familiarity with ITIL and production incident management.
Microsoft Defender for Endpoint (MDE), PowerShell, dbrun scripts, Ansible, Linux, Google Cloud Platform (GCP), ITIL, Python, Bash
Seal Beach or Chantilly or Colorado Springs or El Segundo
$123k-$165k/yrOnsiteFull Time
Sphinx Defense: Develops software for secure satellite and space mission operations.
8+ YOE8+ years administering enterprise IT infrastructure, commissioning hardware, configuring virtualization and networking, securing multi-site deployments, and holding/being eligible for U.S. security clearance.
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
3+ YOE3+ years in network/security or infrastructure engineering; SASE/firewall and cloud experience; EDR/SIEM/ITSM familiarity; ability to lift 30 lbs; occasional travel and rotating on-call duties.
SASE, Fortinet, Palo Alto, Netskope, Zscaler, EDR, SIEM, ITSM, Windows Server
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
2+ YOERelevant Bachelor's degree and 2+ years (Level II) or 5+ years (Level III) Linux administration experience; container and orchestration experience (Docker, Podman, Kubernetes); strong scripting, networking, security, and problem-solving skills; US citizenship and ability to obtain DOE access/PIV required.
Folsom or Denver or Englewood or Minneapolis or St. Paul or Pennington or Woodcliff Lake or Olympia
OnsiteMultiple Commitments Available
HDR: Global firm providing architecture, engineering, and environmental services.
3+ YOEMinimum 3 years in infrastructure/security; bachelor’s in IT/cybersecurity/computer science or equivalent; firewall and IAM experience; VMware NSX/vDefend knowledge; scripting/automation; CIS/NIST familiarity.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
5+ YOE5 years in DevOps/software/infrastructure engineering; US citizen with SECRET clearance; Cloud/CI/CD experience; Terraform/Kubernetes; Python/Java preferred.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEU.S. citizen with active Top Secret clearance and willingness to pass polygraph. 12+ years software development experience (or degree-equivalent), Security+ within 60 days, experience with CI/CD, automation, cloud security and leadership.
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years Infrastructure/DevOps experience, strong Kubernetes and cloud (AWS/GCP/Azure) skills, CI/CD and automation expertise, scripting in Python/Bash, IAT II/III or equivalent security certs, active TS/SCI with Polygraph.