117 security administrator jobs at 75 companies in Frederick, CO

3mo
Save
Mark Applied
Hide
Workday HCM Security Administrator
Westminster or Dayton or Portsmouth or Lake Oswego
OnsiteFull Time
Trimble
TrimbleNASDAQ: TRMB: Provides hardware and software for precision positioning and modeling.
3+ YOE3+ years Workday HCM Security Administration, security/configuration, SOX/ICFR, collaboration.
Workday, SOX, HRIS
4w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Workday HCM Security Administrator
Westminster or Lake Oswego or Portsmouth or Dayton
OnsiteFull Time
Trimble
TrimbleNASDAQ: TRMB: Provides hardware, software, and services for construction and geospatial industries.
3+ YOE3+ years Workday HCM security administration and role design, configuring Workday business processes and functional access, strong SOX/ICFR knowledge, collaboration with Finance/Payroll, and release impact assessment experience.
Workday HCM, Workday
21h
Save
Mark Applied
Hide
Physical Security System Administrator 1
Boulder, Colorado, United States
$76k-$94k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
0+ YOEIAT Level II (e.g., Security+), system administrator experience, Windows patching and vulnerability remediation, basic networking (VLANs/routing), flexible on-site availability including nights/weekends, and proficiency with MS Office and Visio.
CCURE, Lenel, Genetec, Microsoft Excel, Microsoft Word, Visio, PowerPoint
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
SAP Basis and Security Administrator
Niles or Fort Collins or Rockford
$78k-$125k/yr HybridFull Time
Woodward
WoodwardNASDAQ: WWD: Designs control solutions for aerospace and industrial markets.
Hands-on SAP Basis and security administration for ECC and S/4HANA, role-based access and SoD management, NextLabs administration, system lifecycle (patching, refreshes, transports), cloud familiarity (IBP, BTP, Azure), scripting/automation, and audit support.
SAP, S/4HANA, ECC, TMS, Windchill, Workday, NextLabs, IBP, BTP, Azure, GRC, CI/CD
4mo
Save
Mark Applied
Hide
Systems Administrator - Security
Greenwood Village, Colorado, United States
$95k-$115k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
2+ YOEBachelor’s degree in IT or related field or 5+ years’ related experience; US government contractor experience; Security+; Top Secret clearance; Windows and Linux proficiency; STIG/SCAP experience.
ACAS, Nessus, SCAP, STIGs, DISA, SCAP, MFA, SIEM, Splunk, McAfee HBSS, Windows, Linux, PowerShell, Python, BASH, Networking, Virtualization
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Systems Administrator
Lafayette, Colorado, United States
$120k-$170k/yr OnsiteFull Time
Centil
Centil: Provides engineering and cybersecurity services for national defense missions.
5+ YOE5+ years in Systems Administration; DoD Secret clearance; TS/SCI eligible preferred; Linux/RHEL, virtualization (VMware/Hyper-V), cloud (AWS/Azure), RMF, networking, security
Linux, RHEL, VMware, Hyper-V, AWS, Azure, RMF, Networking
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Network System Administrator/Information Security System Officer (ISSO)
Denver, Colorado, United States
OnsiteFull Time
IGRS
IGRS: Provides secure IT infrastructure and cybersecurity services for government clients.
6+ YOE6+ years computer security experience; US citizen; 8570 certification (CISSP or Security+); ability to obtain security clearance; must be able to work in a fast-paced team environment.
VMware, Windows Server, Linux, Microsoft Windows, Microsoft Office
2w
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
CO Security Concierge
Broomfield, Colorado, United States
$16-$20/hr OnsiteFull Time
Meritrust Credit Union
Meritrust Credit Union: Offers personal and business banking services to its members.
3+ YOEReception/security role requiring 3-5 years experience; high school diploma; strong communication and typing skills; MS Office proficiency.
Microsoft Office
2mo
Save
Mark Applied
Hide
Site Security Manager, USARC DEERS/RAPIDS
Hoover or Pago Pago or Los Alamitos or Los Angeles or Mountain View or Aurora or Orlando or Fort Gillem or Fort Shafter or Darien or Arlington Heights or Forest Park or Fort Knox or Devens or Livonia or Saipan or Vicksburg or Charlotte or Fort Bragg or Londonderry or Fort Totten or Rochester or Williamsport or Johnstown or Moon Township or Fort Buchanan or Greenville or Grand Prairie or Houston or Salt Lake City or Abingdon or Marysville or Vancouver
OnsiteFull Time
Yorktown Systems Group
Yorktown Systems Group: Provides professional services and training to government agencies.
1+ YOEHigh school diploma and 1 year customer service experience; proficient in MS Office; RAPIDS certification required; administrative and security duties.
Microsoft Word, Outlook, RAPIDS, scanners, copiers, keyboard, mouse
1w
Save
Mark Applied
Hide
Systems Administrator - Level 4
Aurora, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive DoD TS/SCI clearance, RHEL server administration, VMware experience, DoD 8570 IAT Level II (e.g., Security+ CE) required or obtainable, ability to lift 40 lbs, bachelor's-level experience preferred.
RHEL, VMware, Active Directory, Linux, UNIX, Windows Server
2w
Save
Mark Applied
Hide
Operations Tier 1 Systems Administrator
Boulder, Colorado, United States
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEActive Top Secret clearance, Security+ certification, 2+ years IT experience, RHEL and Windows administration, VMware/virtualization, networking fundamentals, troubleshooting, and cybersecurity reporting support.
Red Hat Enterprise Linux, Microsoft Windows, VMware vSphere/ESXi, KVMoIP, Elastic, Chef, Puppet, Ansible, Python, Bash
1w
Save
Mark Applied
Hide
System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Administer Windows Server 2022, VMware/vSphere, Active Directory, Group Policy; support classified networks; troubleshoot networking; TS/SCI with polygraph and DoD 8570 IAT Level II (e.g., Security+ CE).
Windows Server 2022, VMware, vSphere 8, Active Directory, Group Policy, Splunk, McAfee ePolicy Orchestrator (ePO), Domain Controller, PowerShell, RHEL 8, RHEL 9
1mo
Save
Mark Applied
Hide
Database Administrator
Denver, Colorado, United States
$96k-$121k/yr OnsiteFull Time
Colorado Premium
Colorado Premium: Processes and distributes high-quality meat products to food industries.
3+ YOE3+ years SQL Server DBA experience with MS SQL, SSIS, and SSRS; strong SQL coding, performance tuning, backup/recovery, security, capacity planning, troubleshooting, and ability to work with cross-functional teams.
MS SQL, SQL Server, SSRS, SSIS, SQL