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115 system administrator jobs at 83 companies in Oxnard, 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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1mo
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System Administrator (System Administrator, willing to consider all levels)
Goleta, California, United States
$85k-$145k/yr HybridFull Time
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
2+ YOEProvide IT support and systems administration in a hybrid Active Directory/Azure AD environment; desktop, server, network troubleshooting; must have or obtain CompTIA Security+ within 90 days; 2+ years IT experience or equivalent.
Microsoft Office 365, Microsoft Azure Active Directory, Microsoft Active Directory, Windows Server, Windows 10, Windows 11, macOS, Linux, VLAN, Zero Trust Architecture, 802.1x, Microsoft Teams
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System Administrator
Port Hueneme, California, United States
$40k-$80k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
2+ YOEBachelors +2 years (or 6 years experience) and DoD 8570 cybersecurity certifications; IAT Level II (or obtain within 6 months); Secret clearance; Linux, Windows Server, virtualization, SolarWinds experience required.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, vmWare, ESXi
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System Administrator
Port Hueneme, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
2+ YOEBachelors +2 years (or 4 additional years experience), DoD 8570 baseline cert (Security+), IAT Level II or ability to obtain, experience with Linux, SolarWinds, Windows Server, Active Directory, virtualization (vmWare/ESXi), Secret clearance.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, vmWare, ESXi
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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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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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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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1mo
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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
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1mo
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Systems Administrator
Port Hueneme, California, United States
$108k-$145k/yr OnsiteFull Time
Resource Management Concepts
Resource Management Concepts: Provides IT, cybersecurity, and engineering solutions to government agencies.
3+ YOEBachelor's in CS/IS/Engineering, 3+ years systems administration experience, active Top Secret (T5) clearance, IAT Level II (DoD 8570/8140) certification required; experience with Windows/Linux, virtualization, and cybersecurity.
Windows, Linux, firewalls, antivirus solutions, intrusion detection systems, virtualization
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2mo
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IT Systems Administrator
Van Nuys, California, United States
$90k-$120k/yr HybridFull Time
Aero
Aero: Premium semi-private jet flights between exclusive leisure destinations.
5+ YOE5+ years in IT engineering or systems administration; strong Google Workspace and Apple device management; Slack, Asana, and Metabase administration; scripting ability.
Google Workspace, Apple Business Manager, MDM, Mosyle, Slack, Asana, Metabase, Python, JavaScript, VPN, SAML, SSO
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1mo
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Sr. Systems Administrator
El Segundo or Washington or Huntsville
$130k-$165k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
5+ YOE5+ years systems administration with 3+ years on identity platforms; strong Okta, Entra ID/Azure AD, Microsoft 365, JAMF Pro, Intune, Active Directory, and PowerShell skills; experience with ITAR/NIST/CMMC compliance and scripting (PowerShell, Python, Bash).
Okta, Okta Workflows, Okta System Log, Microsoft 365 GCC High, Azure, Entra ID, Entra Connect, Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft Teams, JAMF Pro, Microsoft Intune, Active Directory, PowerShell, Python, Bash, Azure Logic Apps, Power Automate, SCIM, SAML, OIDC, Microsoft Graph API, Google Workspace, Jira, Confluence, Slack, Smartsheet, 1Password, CrowdStrike, Vanta, PagerDuty, Snowflake
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2w
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IT Systems Administrator Intern
Culver City, California, United States
OnsiteInternship
Servicon
Servicon: Provides professional cleaning and facility maintenance for complex environments.
Student in later stages of computer science/IT or related program; provide Tier 1/2 support for Windows and iOS, assist with onboarding/offboarding, MDM, Microsoft 365 administration, system maintenance, and documentation.
Windows, iOS, Mobile Device Management (MDM), Microsoft 365, HRIS
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2d
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Senior IT Administrator
El Segundo, California, United States
$99k-$117k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
5+ YOE5+ years IT support/systems administration, strong AD/Azure AD/Entra ID, M365 and Intune skills, AWS experience, IT security knowledge, advanced troubleshooting, and strong communication.
Active Directory, Azure AD/Entra ID, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Purview, Intune, AWS, VPN
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2w
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CRE Loan Administrator
Irvine or El Segundo or Mountlake Terrace or Kirkland
$75k-$105k/yr OnsiteFull Time
Columbia Bank
Columbia BankNASDAQ: COLB: Commercial and consumer banking services in the Western United States.
4+ YOE4+ years commercial loan administration and real estate lending experience; strong knowledge of commercial finance, documentation, title review, construction draws, audits, compliance; proficiency with Word and Excel and loan servicing systems.
Microsoft Word, Microsoft Excel
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1mo
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Senior Cloud Administrator
Culver City, California, United States
$135k/yr OnsiteFull Time
Security Industry Specialists
Security Industry Specialists: Provides specialized security solutions for corporations and high-profile clients.
7+ YOEBachelor's degree or equivalent, 7+ years systems administration experience with cloud/SaaS (Google Workspace, Box, AWS, Microsoft Azure) in a predominantly macOS environment; identity and access management (Active Directory/Entra ID, Okta/Ping/JumpCloud), JAMF, SentinelOne, Cisco Meraki, SIEM, and ITIL experience.
Google Workspace, Box, AWS, Microsoft Azure, macOS, Windows, Active Directory, Entra ID, Okta, Ping, JumpCloud, Jamf, SentinelOne, Windows MDM, Cisco Meraki, SIEM
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2w
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Administrator & Events Manager
Culver City, California, United States
$35/hr OnsiteFull Time, Temporary
Exceptional Children's Foundation
Exceptional Children's Foundation: Provides comprehensive support for children and adults with disabilities.
3+ YOEBachelor's degree required; 3–5+ years administrative or event management experience; nonprofit fundraising experience preferred; proficiency with Microsoft Office, Google Workspace, CRM systems, and GiveSmart; valid CA driver's license and negative TB test.
Microsoft Office, Google Workspace, CRM/database systems, GiveSmart
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1w
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Business Application & Systems Administrator
Carpinteria, California, United States
$94k-$176k/yr HybridFull Time
Agilent Technologies
Agilent TechnologiesNew York Stock Exchange: A: Providing instruments, software, and consumables for laboratory scientific discovery.
4+ YOEBachelor's degree, 4+ years application administration, familiarity with validated systems, GxP and FDA 21 CFR Part 11 compliance, CSV experience, and strong communication and problem-solving skills.
Project & Portfolio Management, Electronic Lab Notebook, Lab Management, Image Management, Spotfire
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1w
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Senior Systems Administrator - Desktop
Port Hueneme, California, United States
$95k-$135k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOEActive TS/SCI clearance required; 5+ years desktop administration; expertise with Windows/ThinLinux, Citrix Zendesktop, appV, Windows Terminal Services, MECM/SCCM, endpoint security, SRG/STIG security baselines, hardware/software lifecycle and troubleshooting.
Windows, ThinLinux, Citrix Zendesktop, appV, Windows Terminal Services, MECM, SCCM
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2mo
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Classified Systems Administrator
El Segundo, California, United States
$95k-$143k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
15+ YOEExtensive Windows Server/AD, RMF/NIST 800-53, DoD 8570/8140 certs, TS/SCI with CI Poly, on-site in El Segundo, 15+ years with HS or 4+ with Master.
Windows Server, Active Directory, Windows Desktop, PowerShell, Ansible, Tenable ACAS, SCAP/STIG, RMF, NIST 800-53, DISA STIG, VMware, Hyper-V
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