180 windows administrator jobs at 100 companies in Brighton, CO

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Staff Windows System Administrator - TS/SCI W/Poly - Littleton, CO
Littleton or Waterton or Washington
$118k-$219k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Active TS/SCI clearance with CI Poly, U.S. citizenship, IAT II certification, and expert experience with Active Directory, Windows Server, server hardware, virtualization, vulnerability remediation, and security management.
Active Directory, Windows Server, VMWare, Hyper-V, HP OneView, iLO, iDRAC, Nessus, Trellix, WSUS, MECM, Ivanti, Splunk, Linux, Ansible, PowerShell, Terraform, Chef, Puppet, Azure, KVM, Nutanix, SR-IOV, vRSS, MPIO, Fibre Channel, iSCSI, RDS, HorizonView, XenDesktop, NetApp, Nimble, Racktop
1mo
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Windows 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+ YOETS/SCI polygraph eligible, 2+ years related experience or equivalent, experience with Windows Server, patching, SCCM/MECM, Group Policy, Tenable/SCAP, VMware/VDI, and strong documentation and communication skills.
Windows Server, SCCM, MECM, Tenable, SCAP, VMware, VDI, Active Directory, Group Policy, PowerShell, Sentinel 1, RSA, PING-Id, Commvault, Veeam, PPDM, Networker, JIRA
3w
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Warranty Administrator
Brighton, Colorado, United States
$21-$28/hr OnsiteFull Time
Summit Truck Bodies
Summit Truck Bodies: Designs and manufactures custom service and lube truck bodies.
High school diploma or equivalent, valid driver's license with good MVR, strong customer service and communication skills, Windows computer proficiency, and ability to pass required screening.
Windows, Google Suite
1mo
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WARRANTY ADMINISTRATOR
Littleton, Colorado, United States
$22-$27/hr OnsiteFull Time
McDonald Automotive Group
McDonald Automotive Group: Sells and services new and pre-owned vehicles in Colorado.
1+ YOEHigh school diploma, 1-2 years dealership/service/parts warranty experience preferred, general accounting knowledge preferred, valid driver’s license, strong communication, and proficiency with Dealer software, Windows, Excel, and Outlook.
Dealer software, Windows, Microsoft Excel, Microsoft Outlook
2w
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System Administrator
Aurora or Texas
$130k-$165k/yr OnsiteFull Time
Innovative Signal Analysis
Innovative Signal Analysis: Provider of real-time signal and image processing systems.
Active TS/SCI clearance with CI polygraph, hands-on Windows and Linux administration, infrastructure troubleshooting, networking, virtualization, automation, security, and onsite Colorado work.
Windows, Linux, Windows 11, Windows Server 2022, Red Hat Enterprise Linux 8/9, Microsoft 365, Active Directory, Group Policy, DNS, DHCP, Exchange, WSUS, Kickstart, Bash, PowerShell, Git, Ansible, Terraform, Packer, GitLab, CI/CD, Nexus, Podman, Kubernetes, RKE2, K3s, Trident, Cisco Catalyst, Cisco Nexus, Palo Alto, Cisco VoIP, NetApp, Synology, Pure Storage, Veeam, Grafana, Prometheus, SolarWinds, Elastic Stack, Splunk, Nessus, Trellix, SCAP, CMMC
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Systems Administrator III
Denver, Colorado, United States
RemoteFull Time
InnovAge
InnovAgeNASDAQ: INNV: Provides all-inclusive healthcare and support services for seniors.
6+ YOE6+ years in systems administration, Microsoft 365 infrastructure, data architecture, security, firewalls, servers, Windows servers, and ITIL; bachelor's degree or equivalent experience required.
Microsoft 365, SharePoint, Microsoft Teams, OneDrive, Microsoft Azure Active Directory, SAML, Windows Server, ITIL
1mo
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Systems Administrator II
Lakewood, Colorado, United States
$92k-$105k/yr OnsiteFull Time
Developmental Disabilities Resource Center
Developmental Disabilities Resource Center: Provides support services for people with intellectual and developmental disabilities.
6+ YOEBachelor's degree, 6+ years systems administration experience, Microsoft 365 and Windows Server expertise, IT service desk experience, Azure and network/security experience preferred.
Windows Server, Microsoft Azure, Microsoft 365, Active Directory, Group Policy, VPN
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Systems Administrator II
Aurora or Aurora
$70k-$75k/yr OnsiteFull Time
Oneida Technical Solutions
Oneida Technical Solutions: Provides managed IT and cybersecurity services for government clients.
Bachelor's degree or equivalent experience, 2–6 years in systems administration, Windows/Linux, virtualization, networking, DoD security compliance, Secret clearance, and IAT-Level II certification or higher.
Windows, Linux, VMware, Hyper-V, TCP/IP, DNS, DHCP, DISA STIGs, RMF, CompTIA Security+
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Systems Administrator (AHT)
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor's degree and 2 years of IT experience; Linux and Windows server administration, VMware, NAS storage, Top Secret clearance, Full Scope Polygraph, and DoD 8570 IAT Level 2 certification required.
Linux, Windows, VMware, NAS Storage, NetApp, ONTAP, Red Hat Enterprise Linux (RHEL), Windows 10, Windows Server, Group Policies (GPOs), Active Directory, Microsoft SharePoint, Splunk, Tenable, Nessus, ESXi, iptables, Wiki
3w
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Senior Systems Administrator
Loveland or Ames
$95k-$105k/yr HybridFull Time
Hach
HachNYSE: VLTO: Manufactures analytical instruments and reagents for global water quality testing.
6+ YOEBachelor’s degree or equivalent experience; 6+ years in enterprise infrastructure or systems administration; expertise in Windows Server, Active Directory, DNS/DHCP, Group Policy, VMware, PKI, email authentication, vulnerability remediation, and PowerShell.
Windows Server, Active Directory, VMware, DNS, DHCP, Group Policy, DKIM, SPF, DMARC, SSL/TLS, PKI, PowerShell
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Systems Administrator (AHT)
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEBachelor's degree and 2 years of IT experience; Linux and Windows server administration, VMware, NAS storage, active Top Secret clearance, Full Scope Polygraph, and DoD 8570 IAT Level 2 certification required.
Linux, Windows, VMware, NAS, NetApp, ONTAP, Red Hat Enterprise Linux (RHEL), NISPOM, DCID 6/3, ICD 503, RMF, STIG, JAFAN, JSIG, RAID, Single Sign-On, ESXi, iptables, Windows 10, Windows Server, Group Policies (GPOs), Active Directory, Microsoft SharePoint, Splunk, Tenable, Nessus
2mo
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Systems Administrator-Cleared
Denver or Folsom
$120k-$165k/yr OnsiteFull Time
Voyager Technologies
Voyager TechnologiesNYSE: VOYG: Provides advanced defense and commercial space technology solutions.
3+ YOEActive TS/SCI required, 3+ years systems administration experience; manage Microsoft 365/Azure, Intune, Okta, AD, Windows/Linux servers, virtualization, Fortinet networking, and scripting (PowerShell/Bash/Python).
Microsoft 365, Microsoft Azure, Microsoft Intune, Okta, Microsoft Entra ID, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Defender, Windows Server, Linux, Ubuntu, RHEL, CentOS, VMware vSphere, Hyper-V, Fortinet, FortiGate, FortiSwitch, FortiClient, Active Directory, PowerShell, Bash, Python, ServiceNow, Jira Service Management
1mo
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
OTAVA
OTAVA: Provides secure and compliant multi-cloud and data protection solutions.
3+ YOE3+ years enterprise networking experience, hands-on with Fortinet/Cisco, knowledge of BGP/OSPF/STP, cloud networking (Azure/AWS), Windows Server/AD, and strong troubleshooting and communication skills.
Cisco IOS, FortiOS, Clavister OS, Cumulus, VMware vSphere, NSX, Azure, AWS, Windows Server, Active Directory, BGP, OSPF, STP, VoIP
1mo
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Network Administrator
Ann Arbor or Indianapolis or Flint or Denver or Austin
$75k-$90k/yr OnsiteFull Time
Schurz Communications
Schurz Communications: Family-owned provider of broadband, cloud, and IT services.
3+ YOE3+ years enterprise networking experience; strong TCP/IP knowledge; experience with Cisco/Fortinet/Cumulus; BGP/OSPF/VLANs; Windows Server/AD; cloud networking; industry certifications preferred.
Fortinet, Cisco IOS, Fort iOS, Clavister OS, Cumulus, VMware vSphere, NSX, Azure, AWS, Windows Server, Active Directory
3mo
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System Administrator III
Denver, Colorado, United States
HybridFull Time
Onward Energy
Onward Energy: Operates utility-scale wind, solar, and natural gas power plants.
7+ YOE7+ years system administration experience with Windows Server, Active Directory, virtualization, Azure, Microsoft 365, Intune, Hyper-V and strong troubleshooting and documentation skills.
Active Directory, Group Policy, DNS, DHCP, Microsoft Azure, Microsoft 365, Office 365, Entra, Exchange Online, SharePoint Online, Teams, Intune, Hyper-V, SAML, SCADA, PowerShell, Azure CLI
2w
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Regional IT Administrator (New York, NY)
New York City or Philadelphia or Amsterdam or London or São Paulo or Denver
$85k-$102k/yr RemoteFull Time
B Lab
B Lab: Certifies businesses for meeting high social and environmental standards.
2+ YOERequires 2+ years in IT support or administration, macOS and Windows troubleshooting, Google Workspace, MDM, device provisioning, endpoint management, networking, cybersecurity, and data compliance knowledge.
macOS, Windows, Google Workspace, Jamf, Intune, MDM, Google Meet, Zoom, Spark Hire
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Systems Administrator
Aurora, Colorado, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
15+ YOEBachelor's degree in a technical discipline or 5 additional years of experience; 15+ years in systems administration or related IT; RHEL experience; TS/SCI with polygraph required.
Red Hat Enterprise Linux (RHEL), Microsoft Windows, AWS
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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
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System Administrator
Greenwood Village, Colorado, United States
$32-$35/hr HybridFull Time
NexusTek
NexusTek: Provides managed IT, cloud, and cybersecurity services for businesses.
Requires tier I–III technical support experience, hardware and software troubleshooting, systems administration, customer service, documentation, and knowledge of cloud, virtualization, networking, security, and Microsoft environments.
Microsoft Windows Server, Microsoft Windows, Microsoft SQL Server, Microsoft Exchange, Microsoft Hyper-V, Microsoft Remote Desktop Services (RDS), Active Directory, DNS, DHCP, VMware ESXi, Veeam Backup & Replication, Barracuda, Avanan, Checkpoint, Azure, Google Cloud Platform (GCP), Amazon Web Services (AWS), Cisco Meraki, SonicWall, Simple Network Management Protocol (SNMP), Management Information Base (MIB), Intrusion Detection System (IDS), Intrusion Prevention System (IPS), Access Control List (ACL), 802.1x, 802.11a/b/g/n, WPA2, Wireless LAN Controller (WLC), Wireless Access Point (WAP), Cisco AnyConnect, macOS, Citrix, Microsoft 365, Microsoft Intune, Microsoft SharePoint, Microsoft Exchange Online, Microsoft Entra, ConnectWise PSA, ScreenConnect, Microsoft Office, SentinelOne, 3CX, ADP My Learning, Pluralsight, Culture Index Survey
3w
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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