HiringCafe
Join our community

75 windows system administrator jobs at 59 companies in Paramount, CA

2w
Save
Mark Applied
Hide
Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
3+ YOETS/SCI clearance and U.S. citizenship required. 3+ years enterprise Windows administration, 2+ years virtualization (VMware or Hyper-V). Must meet DoD 8570.01-m IAT Level II (CompTIA Security+). Experience with Citrix, Active Directory, NFS, and EM environments preferred.
Citrix, Windows Terminal Server, VMware, Hyper-V, Windows Admin Center, MS SQL, Puppet, PowerShell DSC, Ansible, Bash, PowerShell, Terraform, Python, NFS, Active Directory
Job PostingView all
2mo
Save
Mark Applied
Hide
System Administrator
Panorama City, California, United States
$40-$50/hr OnsiteFull Time
PureTek
PureTek: Manufactures pharmaceuticals, nutritional supplements, and personal care products.
3+ YOE3+ years IT support or system administration experience; strong Windows Server/Active Directory, Microsoft 365, endpoint support, networking, RMM, backup monitoring, troubleshooting, and documentation skills.
Windows Server, Active Directory, DNS, DHCP, Group Policy, File Server, Print Server, Microsoft 365, Exchange Online, Microsoft Teams, SharePoint, OneDrive, Entra ID, Windows 10, Windows 11, Microsoft Office, VPN, NinjaOne, Meraki, SentinelOne, Microsoft Defender, ERP, Power BI, RMM
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal System Administrator Windows or Linux
El Segundo, California, United States
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEActive transferable U.S. Top Secret clearance and U.S. citizenship required; typically 5+ years relevant experience (or 3+ with advanced degree); experience with Microsoft Windows and/or RedHat Enterprise Linux, ESXi/vCenter, Windows domains, DNS/DHCP/AD, backups, hardware RAID, containers, and cybersecurity; must obtain DoDD 8140/8570 (CompTIA Sec...
Microsoft Windows, RedHat Enterprise Linux, ESXi, VCenter, Windows Server, Ansible, DNS, DHCP, AD
Job PostingView all
2w
Save
Mark Applied
Hide
IT System Administrator
Irvine, California, United States
$97k-$119k/hr OnsiteFull Time
CTC Global
CTC Global: Manufactures advanced composite cores for high-voltage electricity transmission cables.
7+ YOE7+ years systems administration and infrastructure experience supporting Windows Server, virtualization, cloud, networking and OT (PLCs/SCADA); Bachelor\u0002s or equivalent experience; preferred networking and security certifications.
Windows Server, Active Directory, DNS, DHCP, VMware, Hyper-V, Azure, Microsoft M365, PLCs, SCADA, HMI, TCP/IP, VLANs, Firewall, VPN
Job PostingView all
1mo
Save
Mark Applied
Hide
System Administrator I
Long Beach, California, United States
$27-$32/hr OnsiteFull Time
VectorUSA
VectorUSA: An IT services providing onsite infrastructure support and technical delivery for enterprise clients.
1+ YOE1+ years systems administration experience; associate or bachelor’s in CS/IS or equivalent; familiarity with Windows Server, Active Directory, VMware, Azure; scripting (PowerShell, Bash, Python); ability to obtain TWIC.
Windows Server, Active Directory, DNS, DHCP, TCP/IP, VMware, vSphere, ESXi, VDI, Azure, PowerShell, Bash, Python, SolarWinds, Jira, Confluence, Qualys
Job PostingView all
3mo
Save
Mark Applied
Hide
IT System Administrator
Commerce, California, United States
$55k-$59k/yr OnsiteFull Time
JWCH Institute
JWCH Institute: Provides medical care and social services to underserved populations.
3+ YOE3+ years Windows server administration; associate degree or equivalent experience; strong AD, EHR, and IT infrastructure skills.
Windows Server, Active Directory, Office 365, NextGen EHR, EDR, Care Sentry, Welligent, Casewatch, antivirus, backup, monitoring
Job PostingView all
2w
Save
Mark Applied
Hide
IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
1+ YOE1+ years system administration experience with on-prem infrastructure, Windows/Linux administration, Active Directory/Azure AD, endpoint management (Intune,GPO), networking, AV support, lifting ability, and security-first mindset.
Kubernetes (k8s), Ansible, PowerShell DSC, AWS, Azure, GCP, Grafana, Prometheus, Python, Bash, PowerShell, Siemens Teamcenter, MATLAB, Visual Studio, Active Directory, Azure AD / Entra ID, Microsoft Intune, Group Policy (GPOs), SAN
Job PostingView all
1mo
Save
Mark Applied
Hide
Information System Administrator
Thousand Oaks or Camarillo
$78k-$104k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
5+ YOE5+ years system administration in classified/government environments; expertise in Windows Server, Active Directory, virtualization, enterprise storage, Cisco networking, cybersecurity frameworks (RMF/NIST), and DoD 8140 IAT Level II (Security+ or higher); active Secret clearance and U.S. citizenship required.
Windows Server, Active Directory, VMware, Hyper-V, Dell EMC Unity, Cisco, IDS/IPS, RMF, NIST 800-53, ITIL, Linux
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior IT System Administrator
Long Beach, California, United States
$107k-$152k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
4+ YOE4+ years enterprise IT systems administration; expertise with Windows Server, Active Directory, Group Policy, endpoint management (JAMF/Intune/SCCM), patch management, scripting (PowerShell/Python/Bash), virtualization, and networking fundamentals.
Windows Server, Active Directory Domain Services, Group Policy, Configuration Manager (SCCM), JAMF, Linux, VMware, Hyper-V, PowerShell, Python, Bash, WSUS, Ivanti, Automox, NIST 800-53, CIS benchmarks, CMMC
Job PostingView all
5d
Save
Mark Applied
Hide
System Administrator
Los Angeles, California, United States
$60-$70/hr HybridContract
Cosm
Cosm: Operates immersive entertainment venues and develops shared reality technology.
5+ YOE5+ years infrastructure/system administration experience (media/VFX preferred). Expert Windows/Mac/Linux administration, system imaging, scripting (PowerShell/Bash/Python), render farm and storage management, AWS and monitoring tools.
Windows, Mac, Linux, WDS, WSUS, SCCM, ECM, PDQ Deploy, PowerShell, Bash, Python, HP Anyware, Parsec, Splashtop, Jump Desktop, Nuke, Resolve, Cinema 4D, Houdini, Thinkbox Deadline, AWS Deadline Cloud, RenderMan, LogicMonitor, Grafana, S3, EC2, VPC, Intune, Apple Business, JAMF Pro, Cisco Prime, Arista CloudVision, Aruba Central, Ruckus SmartZone
Job PostingView all
1mo
Save
Mark Applied
Hide
System Administrator, IT Services
Calabasas, California, United States
$90k-$100k/yr OnsiteFull Time
AmaWaterways
AmaWaterways: Provides luxury river cruise vacations on international waterways.
3+ YOE3–5 years system administration experience; Associate's or Bachelor's in IT/CS/IS or equivalent; hands-on with VMware, Citrix, Microsoft 365/Entra, Azure/AWS, 8x8, Cisco, Intune, PowerShell, ITSM and backup/patch management; participates in on-call rotation.
VMware vSphere, ESXi, vCenter, Citrix Cloud, Citrix DaaS, Citrix Virtual Apps and Desktops, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint Online, OneDrive, Active Directory, Microsoft Entra ID, Microsoft Azure, AWS, 8x8, Cisco, Windows Server, Linux, Microsoft Intune, Windows 10, Windows 11, macOS, ServiceNow, Jira Service Management, Freshservice, PowerShell, Microsoft Office, Veeam, Microsoft Teams Rooms
Job PostingView all
2mo
Save
Mark Applied
Hide
Network System Administrator
El Segundo, California, United States
$108k-$179k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
6+ YOEActive Top Secret/SCI clearance, 6+ years related experience (4+ years SCI/SAP), bachelor’s in technical field or equivalent experience, IAT Level II within 6 months, experience administering Windows server environments and backups.
Microsoft Windows Server, Microsoft Exchange Server, Windows XP, Windows Vista
Job PostingView all
1mo
Save
Mark Applied
Hide
Information Technology System Administrator III (SQLServer/Web Administrator)
Los Angeles, California, United States
$56-$73/hr HybridFull Time
Metropolitan Water District of Southern California
Metropolitan Water District of Southern California: A state-established cooperative that provides imported and managed water resources and related services to member agencies in Southern California.
2+ YOEBachelor's +4 yrs or Master's +2 yrs in related field; experience deploying/configuring/administering Windows and Linux servers, web servers (IIS, Apache, WebLogic, JBoss), Microsoft SQL Server and SharePoint; cloud experience (Azure, Oracle Cloud).
Azure, Oracle Cloud, Microsoft SQL Server, SharePoint, Windows, Linux, IIS, Apache, WebLogic, JBoss
Job PostingView all
2mo
Save
Mark Applied
Hide
IT Systems Administrator
Seal Beach, California, United States
$86k-$150k/yr OnsiteFull Time
AstroForge
AstroForge: Mines and refines valuable minerals from near-Earth asteroids.
3+ YOE3+ years in IT systems administration with cross-platform support (macOS, Windows, Linux); network administration; IAM; cloud and SaaS management; ITAR/CMMC awareness.
macOS, Windows, Linux, routing, switching, VPNs, firewalls, wireless, Active Directory, Azure AD, Okta, AWS, GCP, Azure, Google Workspace, Microsoft 365, Slack, Zoom, GitHub, Bash, PowerShell, Python, Jamf, Intune, NIST CSF, CIS Controls, CompTIA Security+, Network+
Job PostingView all
23h
Save
Mark Applied
Hide
Systems Administrator II
Pasadena, California, United States
$123k-$127k/yr OnsiteFull Time
Jet Propulsion Laboratory
Jet Propulsion Laboratory: Leading robotic space exploration and planetary research for NASA.
1+ YOEBachelor's degree plus 3 years or master's plus 1 year of systems administration experience; active TS/SCI clearance; current IAT/IAM 8140 certification; Windows and Linux administration experience.
Windows, Linux, Windows VMs, Linux VMs, Windows servers, Linux servers, Windows workstations, Linux workstations, help desk ticketing system
Job PostingView all
2w
Save
Mark Applied
Hide
Senior Systems Administrator
Anaheim, California, United States
$85k-$105k/yr OnsiteFull Time
Quantum Electronic Payments
Quantum Electronic Payments: Provides payment processing solutions and merchant services for businesses.
5+ YOE5+ years systems administration experience with Microsoft 365, Active Directory, Windows, networking, endpoint security, backups, and documentation; strong troubleshooting and communication skills.
Microsoft 365, Active Directory, Windows, DNS, DHCP, VPN, PowerShell, SIEM, EDR/MDR
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Systems Administrator
Long Beach, California, United States
$103k-$155k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
6+ YOE6+ years Linux and Windows systems administration experience; expertise in Linux, Active Directory, DNS, DHCP, enterprise backup solutions; scripting/automation and cloud (Azure/GCP) experience; strong troubleshooting and documentation skills.
Linux, Windows, Azure, GCP, Active Directory, DNS, DHCP, Veeam, Commvault, Rubrik, Ansible, Puppet, Terraform, Bash, Python, PowerShell
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Systems Administrator
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years designing and implementing classified IT systems; experience with air-gapped systems, physical hardware, virtualization (VMware/Podman), Windows and Linux administration, DISA STIG hardening, NIST 800-53/RMF familiarity, automation, DoD 8570/8140 baseline certification, and active U.S. Top Secret clearance.
Lattice OS, Microsoft Windows, Microsoft Windows Server, Linux, VMware, Podman, Ansible, DISA STIGs, NIST 800-53, Risk Management Framework (RMF)
Job PostingView all
7h
Save
Mark Applied
Hide
IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
Evans Manufacturing
Evans Manufacturing: A manufacturing supporting IT infrastructure across its operations.
2+ YOERequires 2+ years in Windows systems or network administration and two or more relevant certifications, such as CompTIA A+, CompTIA Network+, MCSA, or CCNA. Bachelor's degree or equivalent experience desired.
Active Directory, Entra ID, Hyper-V, VMware, Microsoft 365, Zoom Phone, Contact Center, Google Workspace, Windows Server, OS X, Linux, UniFi Access Points, UniFi Cameras, Checkpoint Harmony Endpoint Protection, Checkpoint Harmony Email & Collaboration, Ubiquiti UniFi, Exchange Online, Windows 365, Windows Sandbox
Job PostingView all
1mo
Save
Mark Applied
Hide
Systems Administrator
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
2+ YOE2+ years IT support/systems administration experience; Microsoft 365/Entra ID/Intune knowledge; endpoint, networking, and cloud (Azure/AWS) familiarity; PowerShell and troubleshooting skills; compliance/audit documentation experience.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Defender, Microsoft Exchange, Microsoft Teams, Microsoft SharePoint, Windows, macOS, Linux, PowerShell, Microsoft Azure, AWS, GCC High, Ubiquiti, UniFi, Zoom, PSA, RMM, VPN, LAN, WAN, WiFi, TCP/IP, DNS, DHCP, VLAN, NAC
Job PostingView all

Explore Jobs

Expand Your Job Search