135 junior systems administrator jobs at 97 companies in Simi Valley, CA
1mo
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Systems Administrator
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
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
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)
2w
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Network Systems Administrator
El Segundo, California, United States
$71k-$119k/yr OnsiteFull Time
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
2mo
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Payroll Administrator
Torrance, California, United States
$25-$28/hr OnsiteFull Time
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
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
5d
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Contracts Administrator I
Simi Valley or Albuquerque
$22-$33/hr OnsiteFull Time
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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System Administrator I
Long Beach, California, United States
$27-$32/hr OnsiteFull Time
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
3w
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IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
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
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
1mo
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Systems Operations Specialist
Pasadena, California, United States
$26-$29/hr OnsiteFull Time
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
2d
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System Administrator
El Segundo, California, United States
$76k-$144k/yr OnsiteFull Time
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
2w
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Network & Infrastructure Administrator
Rancho Dominguez, California, United States
OnsiteFull Time
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.
2mo
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Business Analyst, Finance Systems
Madison or Pasadena or San Diego or Verona
$60k-$75k/yr OnsiteFull Time
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
1w
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Associate Computer Systems Architect/Computer Systems Architect (Level 1/2)
Manhattan Beach, California, United States
$76k-$114k/yr OnsiteFull Time
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
3d
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Administrative Coordinator, Systems Medicine & Precision Prevention Hub
Torrance, California, United States
$29-$31/hr OnsiteFull Time
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
2w
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DMV and Loan Servicing Administrator
Irwindale, California, United States
HybridPart Time
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
1w
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IT Support Specialist
Sherman Oaks, California, United States
OnsiteFull Time
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
1d
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Administrative Assistant
San Fernando, California, United States
OnsiteFull Time
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
6d
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Site SA Assistant
Los Angeles, California, United States
OnsiteFull Time
2+ YOERequires 2+ years of experience, an associate's degree or equivalent, Secret clearance, and ability to install, monitor, troubleshoot, document, and maintain IT hardware and systems.
Active Directory (AD), System Center Configuration Manager, Post Administration Tool, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
1d
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Administrative Assistant
San Fernando, California, United States
OnsiteFull Time
High school diploma or GED, strong organizational and communication skills, attention to detail, customer service ability, multitasking skills, and comfort using Microsoft Office and new computer systems.
Microsoft Office
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