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101 junior systems administrator jobs at 78 companies in Lancaster, CA

2d
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Systems Administrator
Northridge, California, United States
$6k-$7k/mo OnsiteFull Time
California State University, Northridge
California State University, Northridge: Public university serving students through undergraduate and graduate education and research in Los Angeles’ San Fernando Valley.
2+ YOEBachelor's degree in a related field and two years of relevant experience, or equivalent experience substituted year for year. Requires systems administration, troubleshooting, communication, and analytical skills.
Extron, Microsoft Windows, Microsoft Excel
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2mo
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Systems Administrator
Los Angeles, California, United States
$85k-$120k/yr OnsiteFull Time
Antares Nuclear
Antares Nuclear: Factory-produced, deployable fission microreactors to provide strategic energy for mission-critical systems across Earth, space, and underseas.
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
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2mo
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Junior Network Administrator
Victorville, California, United States
$65k-$78k/yr RemoteFull Time
Dynamic Solutions Technology
Dynamic Solutions Technology: Service-disabled veteran-owned IT consulting firm delivering strategic technology and billable professional services to government and commercial clients.
4+ YOEMinimum 4 years networking experience, CompTIA Network+ certification, high school diploma/GED, ability to evaluate systems and security, and maintain network documentation.
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3d
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Administrator, Branch Office
Chatsworth, California, United States
$21/hr OnsiteFull Time
Certus
Certus: Private U.S. home-services operating pest-control and lawn-service brands for residential and commercial customers.
1+ YOEHigh school diploma or equivalent, 1+ year of administrative or customer service experience, and proficiency with Microsoft Word, Excel, Outlook, and CRM systems. PestPac and billing experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook, CRM, PestPac
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1d
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IT Systems & Facilities Administrator
Irvine or Inglewood or Long Beach or Los Angeles or Riverside or Oakland
$30/hr HybridFull Time
Irvine Clinical Research
Irvine Clinical Research: Independent clinical research site network studying memory loss, depression, obesity, neurology, and psychiatry for participants and sponsors.
1+ YOEBachelor's degree or equivalent technical experience; 1+ year administering Windows, Active Directory, Google Workspace, and Microsoft 365. Requires networking, cybersecurity, hardware troubleshooting, California driver's license, and ability to lift 50+ lbs.
Microsoft Active Directory, Google Workspace, Microsoft 365, Windows OS, Multi-Factor Authentication (MFA), Endpoint Detection & Response (EDR), routers, switches, Wi-Fi access points, VOIP, CTMS, CRM, webcams, microphones, headsets, DNS, temperature sensors, gateways, backup batteries, appliance dollies, hand trucks, moving straps, Home Depot, Enterprise
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1mo
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IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
Freeform
Freeform: AI-native metal 3D-printing manufacturer serving aerospace, defense, energy, semiconductor, automotive, and other industrial customers.
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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Data Security Administrator
Commerce or Los Angeles
$89k-$111k/yr HybridFull Time
AltaMed Health Services
AltaMed Health Services: Providing quality health and human services to underserved communities.
2+ YOEBachelor's degree in computer science, IT, cybersecurity, or related field; associate degree may qualify with experience. Requires 2–4 years in IT security or systems administration.
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1mo
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Systems Operations Specialist
Pasadena, California, United States
$26-$29/hr OnsiteFull Time
ACCO Engineered Systems
ACCO Engineered Systems: Mechanical contractor providing design, construction, and maintenance services.
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
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2mo
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System Administrator
Glendale, California, United States
$103k-$130k/yr OnsiteFull Time
Front Porch Communities and Services
Front Porch Communities and Services: Nonprofit organization dedicated to human-centered senior living.
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
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4d
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Lease Administrator I
Chicago or Los Angeles or Boston or Washington, D.C. or Atlanta or Houston or West Conshohocken or Pittsburgh or Cleveland or Columbus or Indianapolis
$47k-$65k/yr OnsiteFull Time
Avison Young
Avison Young: Privately owned global commercial real estate advisory firm serving occupiers, investors, developers, lenders, and the public sector.
1+ YOEHigh school diploma required; bachelor's degree preferred. Requires 1–3 years of relevant experience, Excel proficiency, lease or property management system experience, accuracy, organization, and communication skills.
Microsoft Office Suite, Microsoft Excel, CoStar, Leasecake, Corom, MRI/ProLease, Tango, TRIRIGA
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3d
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Analyst, Enterprise Business Systems - Remote
Calabasas, California, United States
$74k-$110k/yr RemoteFull Time
Harbor Freight Tools
Harbor Freight Tools: National tool and equipment retailer.
2+ YOE2+ years in Workfront administration, business systems, digital transformation, process automation, AI enablement, PLM administration, or related fields; bachelor's degree preferred; strong analytical, documentation, troubleshooting, and communication skills.
Adobe Workfront, Fusion, PLM, Databricks, Tableau, Microsoft SharePoint, Microsoft 365, Microsoft Project, Smartsheet, Jira, Copilot, ChatGPT, Claude
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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 PharmaceuticalsThe Nasdaq Global Select Market: ARWR: Public biopharmaceutical developing gene-silencing RNAi medicines for patients with 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
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3w
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Sales Administrator – Embedded Computer Industry
City of Industry, California, United States
OnsiteFull Time
Axiomtek
AxiomtekTaipei Exchange: 3088: Public Taiwanese industrial computer manufacturer serving OEMs with embedded, edge-computing, and IoT hardware and solutions.
1+ YOE1–3 years of related sales support or customer service experience preferred, with strong organization and communication skills. Associate degree preferred; proficiency with Microsoft Office, CRM, and ERP systems.
Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Salesforce, SAP
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1d
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Microsoft 365 Administrator I
Irvine or Baldwin Park or Tennessee
$38-$41/hr OnsiteFull Time
In-N-Out Burger
In-N-Out Burger: Regional fast food restaurant chain serving fresh burgers.
1+ YOE1+ year administering Microsoft 365, using IT ticketing systems, and troubleshooting Microsoft 365 issues. Cloud, security, communication, and problem-solving skills required; associate degree and certifications preferred.
Microsoft 365, Microsoft Teams, Microsoft Copilot, Microsoft SharePoint, Microsoft OneDrive, PowerShell, Microsoft Power Automate, ChatGPT, Claude
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1mo
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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, not-for-profit credit union serving individuals, families, and businesses in Southern California and Southern Nevada.
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
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3w
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IT Support Specialist
Sherman Oaks, California, United States
OnsiteFull Time
Oxford Road
Oxford Road: Podcast and creator-based video advertising agency helping global and direct-to-consumer brands scale through audio and creator media.
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
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2w
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Site SA Assistant
Los Angeles, California, United States
OnsiteFull Time
The Pictsweet Company
The Pictsweet Company: Family-owned producer and distributor of frozen vegetables.
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
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Administrative Assistant
San Fernando, California, United States
OnsiteFull Time
RWC Group
RWC Group: Family-owned commercial truck and bus dealership network serving Western U.S. operators with sales, leasing, parts, and service.
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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Administrative Assistant
San Fernando, California, United States
OnsiteFull Time
RWC Group
RWC Group: Family-owned commercial truck and bus dealership network serving Western U.S. operators with sales, leasing, parts, and service.
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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OR Administration Senior Administrative Assistant
Los Angeles, California, United States
$26-$41/hr OnsiteFull Time
Cedars-Sinai
Cedars-Sinai: Nonprofit academic medical center providing advanced healthcare and research.
2+ YOEHigh School Diploma/GED and two years of office/administrative experience required; ability to schedule, prepare correspondence, compile data, track invoices, and maintain filing systems.
Kronos
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