97 security administrator jobs at 60 companies in Fraser, CO

1w
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Senior IT Systems & Security Administrator
Denver, Colorado, United States
$100k-$130k/yr OnsiteFull Time
EnduroSat
EnduroSat: Manufacturer of modular software-defined satellites and space infrastructure.
5+ YOE5+ years in systems administration, infrastructure, IT operations, or cybersecurity; bachelor's degree or equivalent; expertise in Microsoft, Azure Government, AWS GovCloud, networking, identity, endpoint security, and compliance.
Microsoft Windows Server, Microsoft 365, Microsoft GCC High, Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft Teams, Microsoft OneDrive, Microsoft Intune, Microsoft Entra ID, Microsoft Azure Government, AWS GovCloud, Active Directory, Group Policy, DNS, DHCP, TCP/IP, VLANs, VPNs, EDR, Microsoft Defender, Microsoft Sentinel, Security Center, AES, RSA, ECC, TLS/SSL, FIPS 140-2/140-3, CMMC, NIST 800-171, FedRAMP, ITAR, DFARS
1mo
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Information Technology Security Administrator
Arvada, Colorado, United States
$115k-$145k/yr OnsiteFull Time
Loft Federal
Loft Federal: Provides rapid orbital access for national security space missions.
5+ YOE5+ years systems administration with strong IT security experience; U.S. citizenship and active DoD Secret clearance required; experience hardening endpoints, cloud security, IAM, MDM, EDR/SIEM, and vulnerability management.
CIS Benchmarks, DISA STIGs, NIST SP 800-171, NIST 800-37, NIST 800-53, Microsoft 365 GCC High, Google GCP, AWS Gov, Microsoft Intune, EDR, SIEM, CI/CD
2mo
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Security Specialist - Akamai Security Suite Administrator
Pittsburgh or Strongsville or Denver or Phoenix or Birmingham or Dallas
$65k-$159k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOE3+ years in network/security or web app administration; experience with Akamai security tools; bachelor's degree in a related field.
Akamai Security Suite, Kona Site Defender, WAF, Bot Manager, DDoS mitigation, Splunk, ELK Stack, Terraform, Ansible, AWS, Azure, GCP, Python, Bash, JavaScript, TCP/IP, DNS
3d
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Security Compliance and Training Administrator
Denver, Colorado, United States
$69k-$113k/yr OnsiteFull Time
City and County of Denver
City and County of Denver: Provides municipal services and infrastructure for the Denver community.
3+ YOEBachelor's degree in a related field and 3 years of professional specialized-area experience; requires security training, contract administration, supervision, incident analysis, and LenelS2 or comparable system experience preferred.
LenelS2, enterprise video surveillance, access control systems
7h
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Operations Administrator
Denver, Colorado, United States
$28-$30/hr OnsiteSeasonal
Outworx Group
Outworx Group: Provides commercial exterior facility maintenance and snow management services.
1+ YOERequires 1–2 years of office administration experience, airport security badge eligibility, Microsoft Office proficiency, problem-solving skills, attention to detail, independent work, and accurate multitasking.
Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Teams
1mo
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Sr Systems Security Engineer / Sr. Core Applications Administrator
Lone Tree or Englewood
$143k-$197k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
8+ YOERequires active Top Secret/SCI clearance, bachelor\u0002s degree (or equivalent experience), 8+ years IT/security experience, RHEL/Linux application administration, GitLab/GitHub and JFrog Artifactory administration, DISA STIG/ATO experience, and scripting (Bash; Python/Ansible preferred).
Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, RPM/YUM/DNF, systemd, SELinux, firewalld, iptables, Bash, Python, Ansible, Apache Tomcat, JBoss/WildFly, Apache HTTPD, Nginx, JFrog Artifactory, JFrog Xray, GitLab, GitLab CI, GitHub, Jenkins, 3DEXPERIENCE (3DX), Cameo Systems Modeler, Teamwork Cloud (TWC), Jama Connect, Siemens Teamcenter, PostgreSQL, Gitaly, Docker, Kubernetes, OpenShift, LDAP, Kerberos, PAM, SSSD, Flexera/FlexLM, DISA STIG, SAML, SSO
2mo
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Cybersecurity & Compliance Administrator
Denver, Colorado, United States
$140k-$175k/yr OnsiteFull Time
Xcimer Energy
Xcimer Energy: Developing laser-driven inertial fusion for commercial clean energy
7+ YOE7+ years in security administration/ops; MS365 security (Purview, Defender); incident response; CMMC/NIST; strong communication; US eligibility.
Microsoft Purview, Microsoft Defender, Microsoft 365, SIEM, EAC/Zero Trust, MFA
2w
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Sr Linux Administrator
Centennial or Louisville
$136k-$187k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
8+ YOEBachelor's or equivalent, typically 8+ years related experience, 3+ years cloud experience (AWS/Azure), advanced systems administration, security, scripting/automation, and leadership/mentoring skills.
AWS, Azure, Docker, Kubernetes, Jenkins, Ansible, Puppet, Chef
3w
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Senior IT Administrator
Westminster, Colorado, United States
$94k-$112k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
5+ YOE5+ years IT support/systems administration, BS preferred, strong AD/Azure AD/Entra ID, Microsoft 365 and AWS experience, Intune/MDM, endpoint security, advanced troubleshooting, and documentation skills.
Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Purview, Microsoft Entra ID, Active Directory, Intune, MDM, AWS, VPN
2w
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Unix Administrator
Denver, Colorado, United States
OnsiteFull Time
NuAxis Innovations
NuAxis Innovations: Provides IT infrastructure and customer experience solutions for government agencies.
Manage, configure, tune, and secure large-scale Redhat/Oracle Linux systems; perform installations, patching, disaster recovery, and collaborate with security teams.
Redhat, Oracle Linux, RHEL, VMware, KVM, Microsoft Azure, Redhat Satellite, Shell
2w
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Systems Administrator II
Broomfield, Colorado, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEBachelor's degree or equivalent experience, 2+ years systems administration, CompTIA Security+/DoD 8570 IAT II, Active Directory, VMware, endpoint hardening, STIG/RMF familiarity, TS/SCI eligible.
Active Directory, VMware, PowerShell, Python, Bash, RHEL, Windows
1w
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Senior Network Administrator
Denver, Colorado, United States
$125k-$146k/yr HybridFull Time
Colorado Coalition for the Homeless
Colorado Coalition for the Homeless: Provides housing, healthcare, and support services to homeless individuals.
10+ YOEDesign, implement, and manage Cisco-based network infrastructure; 10+ years network administration experience; CCNP or 5+ yrs equivalent; strong TCP/IP, OSPF/BGP, security, Microsoft Terminal Services skills.
Cisco, Microsoft Terminal Services, Gateway Broker, RD Web
5h
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IT System Administrator
Westminster, Colorado, United States
$71k-$90k/yr OnsiteFull Time
GeoStabilization International
GeoStabilization International: Provides emergency geohazard mitigation and slope stabilization construction services.
Associate's or bachelor's degree in a related field or equivalent experience; Windows Server, cloud, Azure, Active Directory, networking, virtualization, backup, troubleshooting, and security knowledge required.
Windows Server, Azure, Active Directory, Group Policy, DNS, DHCP, Microsoft Exchange, MDM, Microsoft Intune, VMware, Hyper-V, TCP/IP, VLANs, Aruba, Dell, HP, FortiGate, Veeam, SolarWinds, Microsoft Azure, AWS, Google Cloud, PowerShell, Azure AD/Entra ID
1w
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Database Administrator IV
Denver or United States
$117k-$140k/yr RemoteFull Time
Modivcare
ModivcareOTC Markets: MODVQ: Provides non-emergency medical transportation and in-home personal care.
7+ YOESeven or more years administering enterprise databases; expertise in SQL, database architecture, security, performance, recovery, AWS services, Windows/Linux, automation, and production troubleshooting.
IBM Db2, Microsoft SQL Server, PostgreSQL, MySQL, MongoDB, SQL, Amazon RDS, Amazon Aurora, Amazon Redshift, PowerShell, Python, Bash, Windows, Linux, DevOps, Infrastructure as Code (IaC), CI/CD
1d
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Endpoint Management Administrator
Denver or Huntsville
OnsiteFull Time
Performance Drone Works
Performance Drone Works: Manufacturer of autonomous, tactical unmanned aerial systems for defense.
2+ YOERequires 2–4 years in endpoint or device management, hands-on provisioning, Intune or Jamf experience, endpoint security knowledge, troubleshooting, documentation, and ability to obtain U.S. security clearance.
Microsoft Intune, Jamf, Microsoft 365, Google Workspace, PowerShell, Bash
2d
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Principal Systems Administrator
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's degree and 6 years of related experience, or high school diploma and 10 years. Requires Windows, VMware, Active Directory, DNS, DHCP, TCP/IP, PowerShell, hardware, security, and DoD 8570 expertise.
Microsoft Windows, VMware, VMware vSphere ESXi, VMware vCenter, VMware vRealize Operations Manager, Microsoft Active Directory, PowerShell, Linux, AutoCAD, SolidWorks, ANSYS HFSS, DNS, DHCP, TCP/IP
3mo
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Senior IT Security Engineer
Linthicum or Phoenix or Denver or Tampa or Cicero
$92k-$120k/yr HybridFull Time
Breakthru Beverage Group
Breakthru Beverage Group: Leading North American beverage wholesaler of wine, spirits, and beer.
5+ YOEBachelor's degree or equivalent experience, 5+ years in IT security, CISSP, networking and security expertise, Windows and Linux administration, cloud security, scripting, analytical, communication, and collaboration skills.
SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, CIEM, DevSecOps, SSDLC, AWS, Azure, Windows, Linux, HCL, YAML, JSON, PowerShell, Python, Go, Shell
2d
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Senior Corporate Security Engineer
Bellevue or Menlo Park or New York City or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
5+ YOERequires 5+ years in information security spanning security engineering, systems administration, and enterprise infrastructure; cloud, AI tooling, identity systems, vulnerability management, and automation experience.
Okta, OpenAI, Claude, Cursor, Google Cloud Platform
3w
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Systems Administrator - Collaboration Team
Rifle or Denver or Grand Junction
$60k-$105k/yr OnsiteFull Time
Alpine Bank
Alpine BankOTCQX: ALPIB: Providing personal, business, and wealth management banking services.
5+ YOE5+ years IT experience, BA/BS or equivalent, 2+ years on assigned system preferred, strong troubleshooting, scripting (PowerShell), AD and security experience, ability to obtain industry certification.
PowerShell, Active Directory, Microsoft 365, Microsoft Teams, SharePoint Online, Exchange Online, OneDrive
1w
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JEI - IT Systems Administrator Level I
Lakewood, Colorado, United States
$65k-$75k/yr OnsiteFull Time
Jacobs Entertainment
Jacobs Entertainment: Owns and operates casinos, hotels, and entertainment facilities.
3+ YOE3+ years administering Windows endpoints with Intune/Autopilot, Active Directory/Entra ID administration, PowerShell/Microsoft Graph scripting, enterprise patching and endpoint security, and experience with incident/change management.
Microsoft Intune, Windows Autopilot, Configuration Manager (SCCM), Active Directory, Microsoft Entra ID, SAML, OIDC, PowerShell, Microsoft Graph, VMware vSphere, Veeam, Git, Microsoft 365, Microsoft Defender, Exchange Online, SharePoint, OneDrive, Microsoft Teams, Windows Server, Linux