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498 system administrator jobs at 312 companies in Pasadena, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
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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
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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
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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
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3d
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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
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1mo
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System Administrator - Level 4
Pasadena, California, United States
$107k-$160k/yr OnsiteFull Time
Sophia Space
Sophia Space: Modular data center hardware for in-orbit computing and AI.
5+ YOE5+ years systems administration experience supporting mixed macOS/Windows/Linux environments; strong identity/access, MDM, networking, troubleshooting, documentation, and automation skills (Python/Bash/PowerShell).
Apple Business Manager, Google Workspace, Microsoft Entra ID, Intune, Python, Bash, PowerShell, MDM, SSO, SAML, SCIM, MFA, RBAC, VPNs, VLANs, Wi-Fi, Linux, NIST 800-171, CMMC
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1mo
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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
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3mo
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Senior System Administrator (Temp)
Rosemead, California, United States
$43-$67/hr HybridContract
Panda Restaurant Group
Panda Restaurant Group: Operator of American Chinese fast-casual restaurant chains.
5+ YOEBachelor's in business/IS or related,5+ years experience,Workday ERP implementation/administration required,experience with labor/operations systems preferred,completed required training,obtain Food Handler card within 30 days.
WorkJam, CrunchTime NetChef, Workday, Legion
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2mo
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System Security Administrator
Los Angeles, California, United States
HybridFull Time
Material
Material: Specialized inference cloud platform for high-performance AI workloads.
5+ YOEBS in CS/EE or related field; 5+ years systems engineering with cybersecurity; Microsoft administration; threat/endpoint monitoring; network security; MDM; PowerShell; relevant IT/cybersecurity certifications.
Microsoft Exchange, Entra ID, Purview, DLP, CrowdStrike, Darktrace, Fortinet, JAMF, PowerShell, Command-line
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2w
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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
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1mo
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Senior Network System Administrator`
Agoura Hills, California, United States
$98k-$115k/yr HybridFull Time
Joni and Friends
Joni and Friends: Providing spiritual and practical support to people with disabilities.
5+ YOESenior IT role requiring 5+ years in network/system administration, Azure AD/Entra, Fortinet, Intune, 3+ IT certifications.
Microsoft Entra ID (Azure AD), Fortinet FortiGate/EMS/FortiClient, Microsoft Intune, Microsoft 365, PowerShell, APIs, Azure, SAML, SSO, SSL
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2mo
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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
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1mo
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Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
Pipeline Health
Pipeline Health: Operates a network of community-based acute care hospitals.
7+ YOE7+ years IT systems experience and 5+ years healthcare experience. Strong background in routing, switching, firewall infrastructure, SD-WAN, hybrid cloud, virtualization, centralized storage, LAN administration, datacenter integration, security, and HIPAA compliance. Leadership/mentoring experience.
SD-WAN, hybrid cloud, AIDET
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1mo
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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
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1mo
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Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
Pipeline Health
Pipeline Health: Manages community hospitals providing acute and emergency medical care.
7+ YOE7+ years IT systems experience (routing, switching, firewall) and 5+ years healthcare experience; expertise in multi-platform systems, virtual environments, centralized storage, LAN, SD-WAN, datacenter integration, network security, and regulatory compliance.
SD-WAN
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1mo
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Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
Pipeline Health
Pipeline Health: Operator of acute care community hospitals and medical centers.
7+ YOESeven+ years IT systems experience (routing, switching, firewall); five+ years healthcare experience; strong knowledge of multi-platform systems, virtual environments, centralized storage, LAN, SD-WAN, datacenter integration, and network security; HIPAA/regulatory familiarity.
SD-WAN, AIDET
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1mo
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Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
Pipeline Health
Pipeline Health: Operates community hospitals providing acute and emergency healthcare services.
7+ YOE7+ years IT systems experience, 5+ years healthcare IT experience, expertise in routing/switching/firewall, SD-WAN and hybrid cloud design, datacenter/colocation support, advanced troubleshooting, and regulatory/HIPAA knowledge.
SD-WAN, Cisco, Fortinet
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1mo
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Senior System Administrator - Information Technology
Gardena, California, United States
$83k-$123k/yr OnsiteFull Time
Pipeline Health
Pipeline Health: Operates safety-net hospitals providing essential community healthcare services.
7+ YOE7+ years IT systems experience with enterprise routing, switching, and firewall infrastructure; 5+ years healthcare experience; SD-WAN, hybrid cloud, datacenter, LAN, virtualization, storage, advanced troubleshooting, HIPAA compliance; mentoring skills.
routing, switching, firewall, SD-WAN, hybrid cloud, virtual environments, centralized storage, local area network, datacenter
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2d
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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
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1mo
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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
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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
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