147 junior systems administrator jobs at 104 companies in Thousand Oaks, CA

1mo
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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
2mo
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Junior IT Systems Administrator (part-time)
Pasadena or United States
$35-$45/hr HybridPart Time
Carbon Mapper
Carbon Mapper: Detects and quantifies greenhouse gas emissions using satellite technology.
1+ YOE1–3 years systems administration or IT support experience; experience with Active Directory/Microsoft Entra ID, MDM (Addigy, Jamf, Intune), Windows/macOS endpoints, networking fundamentals, cloud services, and ability to travel to Pasadena-area sites and lift up to 50 lbs.
Windows, macOS, Active Directory, Microsoft Entra ID (Azure AD), Addigy, Jamf, Microsoft Intune, TCP/IP, DNS, DHCP, VLANs, Windows 10/11, Windows Server, Cisco, Fortinet, pfSense, Meraki, Microsoft 365, Google Workspace, Exchange Online, Microsoft Teams, SharePoint, Microsoft Intune/Endpoint Manager, Freshservice, Freshworks, ServiceNow, Ubuntu, RHEL, CentOS, PowerShell, Bash, VMware vSphere, Microsoft Hyper-V, Proxmox, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP)
3w
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Network Systems Administrator
El Segundo, California, United States
$71k-$119k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEProvide day-to-day administration of secure Windows networks for classified environments; maintain servers, firewalls, backups, and support customers. Must hold TS/SCI and meet DoD IAT II certification requirements.
Microsoft Windows Server, Microsoft Exchange Server
3mo
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Payroll Administrator
Torrance, California, United States
$25-$28/hr OnsiteFull Time
Lovisa
LovisaAustralian Securities Exchange: LOV: Global fashion jewelry and accessory retailer.
2+ YOEProcess Americas payroll, set up employees in time & attendance and payroll systems, maintain payroll records, respond to payroll inquiries, ensure accuracy and confidentiality.
2w
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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.
0+ YOEBachelor's or equivalent experience, DoD 8570 baseline certification (Security+), IAT Level II (or obtain within 6 months), Secret clearance, Linux/Windows Server, SolarWinds, VMware/ESXi experience, systems administration/cybersecurity experience.
Linux, SolarWinds, Windows Server, Active Directory, Group Policy, VMware, ESXi
1w
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Contracts Administrator I
Simi Valley or Albuquerque
$22-$33/hr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
High school diploma or GED required; aerospace, defense, or government contracting experience preferred. Requires data entry, analytical, organizational, Microsoft Office, and contract systems skills.
Enterprise Resource Planning (ERP), Contract Lifecycle Management (CLM), Procurement Integrated Enterprise Environment (PIEE), Fusion, WAWF, Microsoft Office Suite, Unanet, Oracle Fusion, Technomile, SalesForce
1mo
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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
1w
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Application Administrator Assoc
El Segundo, California, United States
$74k-$93k/yr OnsiteFull Time
Kinecta Federal Credit Union
Kinecta Federal Credit Union: Member-owned cooperative providing banking, loans, and investment services.
1+ YOERequires nCino and Salesforce experience, 1–2 years of system administration, 5 years in financial services with commercial loan exposure, and a bachelor's degree or applicable technical experience.
nCino, Salesforce, Salesforce Financial Services Cloud, CASH, SilverLake, Symitar, Microsoft Windows, Microsoft Word, Microsoft Excel
1d
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IT Systems Engineer
Westlake Village, California, United States
OnsiteFull Time
Oaks Christian School
Oaks Christian School: Private Christian school providing college-preparatory education for students.
2+ YOEBachelor's degree in computer science, computer information systems, or related field; 2+ years with Cisco, Microsoft, and Apple networking technologies; network protocols and systems administration experience.
Microsoft Office 365, Google Chrome, Google Suite, Microsoft Deployment Tools (MDT), Apple Device Enrollment Program (DEP), Windows Server, Microsoft Active Directory, Microsoft Exchange, SQL, IIS, Cisco IP Phones, TCP/IP, DNS, DHCP
1mo
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Systems Operations Specialist
Pasadena, California, United States
$26-$29/hr OnsiteFull Time
Sunbelt Controls
Sunbelt Controls: Provides building automation and systems integration for energy-efficient facilities.
High school diploma or equivalent, data entry (50 WPM), strong organizational skills, payroll entry, timesheet processing, documentation of start-up and warranty reports, proficiency with Microsoft Excel/Word, Gmail, Google Drive/docs/sheets, PDF Writer, Bluebeam, Smartsheet, Box, Rhumbix, and 360/IFS.
Microsoft Excel, Microsoft Word, Gmail, Google Drive, Google Docs, Google Sheets, PDF Writer, Bluebeam, Smartsheet, Box, Rhumbix, 360/IFS
6d
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System Administrator
El Segundo, California, United States
$76k-$144k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
2+ YOEUniversity degree or equivalent experience plus 2 years relevant experience, Windows or Linux experience, active Secret clearance, and U.S. citizenship. Must obtain CompTIA Security+ CE or equivalent within 6 months.
Microsoft Windows, Red Hat Enterprise Linux, ESXi, vCenter, Microsoft Active Directory, DNS, DHCP, Ansible, RAID
2mo
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System Administrator
Glendale, California, United States
$103k-$130k/yr OnsiteFull Time
Front Porch
Front Porch: Front Porch provides senior living and affordable housing communities.
2+ YOEMaintain and secure servers, networks, backups and monitoring; provide onsite and remote Tier I/II support, on-call coverage, and perform maintenance and disaster recovery tasks.
VMware, Windows Server, Linux, HPE, Pure, Veeam, Veeam Backup and Replication, Backup Exec, VMware Horizon, Citrix, Citrix NetScaler, Azure Windows Virtual Desktop, Active Directory, Exchange, Exchange Online, Group Policy, DNS, DFS, DHCP, SQL, PKI, SharePoint, SCCM, Azure, Skype for Business, Teams, ADFS, M365, Nagios, ManageEngine, Microsoft monitoring solutions, Cisco AnyConnect, iLO, TeamViewer, Remote Desktop, VNC, SSH, telnet, FTP, SDWAN
2w
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Network & Infrastructure Administrator
Rancho Dominguez, California, United States
OnsiteFull Time
IDEMIA
IDEMIA: Identity and security solutions using biometrics and cryptography.
Installs and maintains operating systems, servers, virtualisation, network devices and backup systems; troubleshoots issues, follows change management and documents activities; supports governance and security standards.
3mo
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Business Analyst, Finance Systems
Madison or Pasadena or San Diego or Verona
$60k-$75k/yr OnsiteFull Time
Arrowhead Pharmaceuticals
Arrowhead PharmaceuticalsNASDAQ: ARWR: Develops RNAi medicines to treat genetic and intractable diseases.
0+ YOEBachelor’s degree in Finance, Accounting, Business Administration, Information Systems, or related field; 0-2 years in ERP support; knowledge of P2P/O2C; strong communication; cross-functional collaboration.
Power Platform, Power BI, Power Apps, Power Automate, Microsoft Fabric, Azure Synapse, SQL Server, Dynamics 365 Finance & Operations
2w
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Associate Computer Systems Architect/Computer Systems Architect (Level 1/2)
Manhattan Beach, California, United States
$76k-$114k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
0+ YOEBachelor's in STEM (0–2+ years), ability to obtain DoD Top Secret/SCI/Q clearance, Linux/Windows administration, security compliance knowledge, scripting/automation skills, and familiarity with DoD security controls.
RHEL 8, RHEL 9, Rocky 8, Rocky 9, Ubuntu 20+, Windows 11, Windows 2022, Samba, NFS, Chrony, Xilinx, Windriver, LabView, Office, CISCO IOS, Nessus, SCC SCAP scanner, STIG Viewer, Bash, Ansible, PowerShell
2w
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Associate Computer Systems Architect/Computer Systems Architect (Level 1/2)
Manhattan Beach, California, United States
$76k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEBachelor's in STEM (or Master's), ability to obtain DoD Top Secret/SCI clearance, Linux/Windows administration, security compliance experience, familiarity with networking and scripting (Bash/Ansible/PowerShell).
Red Hat Enterprise Linux (RHEL) 8/9, Rocky 8/9, Ubuntu 20+, Windows 11, Windows 2022, Samba, NFS, Chrony, Xilinx, Windriver, LabView, Microsoft Office, CISCO IOS, Nessus, SCC SCAP scanner, STIG Viewer, Bash, Ansible, PowerShell
1w
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Administrative Coordinator, Systems Medicine & Precision Prevention Hub
Torrance, California, United States
$29-$31/hr OnsiteFull Time
The Lundquist Institute
The Lundquist Institute: Conducts independent biomedical research and clinical trials for healthcare.
2+ YOEHigh school diploma required; associate degree or administrative training preferred. Requires 2–4 years of administrative experience, MS Office proficiency, organization, communication, confidentiality, and research administration familiarity.
Microsoft Office, Paycom
3w
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DMV and Loan Servicing Administrator
Irwindale, California, United States
HybridPart Time
Rize Federal Credit Union
Rize Federal Credit Union: Member-owned financial cooperative providing banking and lending services.
1+ YOEHigh school diploma/GED, 1+ year financial institution experience, strong organization and member-service skills, knowledge of DMV/title processes preferred, comfortable with Microsoft 365 and loan servicing systems.
Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft 365
2w
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IT Support Specialist
Sherman Oaks, California, United States
OnsiteFull Time
Oxford Road
Oxford Road: Audio and creator-based performance advertising agency.
5+ YOE5+ years IT systems administration experience, hands-on MDM/EMM and identity management (SSO/MFA), SaaS administration (Salesforce,Qlik,Tableau), security and incident response, and experience managing junior IT staff.
Jamf, Intune, Okta, Azure AD, Google Workspace, Salesforce, Qlik, Tableau
5d
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Administrative Assistant
San Fernando, California, United States
OnsiteFull Time
RWC Group
RWC Group: A commercial truck and bus dealership group serving customers across the Western United States.
High school diploma or GED, strong organizational and communication skills, attention to detail, customer service ability, multitasking skills, and comfort using Microsoft Office and computer systems.
Microsoft Office

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