208 junior system administrator jobs at 142 companies in Walnut Park, CA
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Volunteer Management System Administrator
Rancho Palos Verdes, California, United States
$29-$30/hr OnsitePart Time
2+ YOEHigh school diploma required; associate or bachelor's degree preferred. Requires 2+ years of administrative, operations, customer support, or systems support experience and Microsoft Office proficiency.
Golden, Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, Information Technology (IT)
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
System Administrator
Glendale, California, United States
$103k-$130k/yr OnsiteFull Time
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
3mo
Save
Mark Applied
Hide
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.
2mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Branch Office Administrator - San Juan Capistrano, CA
San Juan Capistrano, California, United States
OnsiteFull Time
Provide client service, account administration, and office support; strong analytical, attention to detail, digital tool use, and conversational skills; willingness to learn financial services systems.
MoneyGuide, Salesforce, Microsoft Office
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
System Support Analyst (TEMP)
Irvine, California, United States
$23-$25/hr OnsiteFull Time
1+ YOE1–3 years help desk/system administration experience, strong communication and customer service, bachelor's in CS/Business or equivalent, MS Office proficiency, ability to support retail POS and networking.
Aptos Retail Point of Sale, Windows OS, Microsoft Products, TCP/IP, DNS, DHCP, Wireless (802.11a/b/g)
2w
Save
Mark Applied
Hide
IT Systems Administrator II
Garden Grove, California, United States
OnsiteFull Time
2+ YOERequires 2+ years in Windows systems or network administration and two or more relevant certifications, such as CompTIA A+, CompTIA Network+, MCSA, or CCNA. Bachelor's degree or equivalent experience desired.
Active Directory, Entra ID, Hyper-V, VMware, Microsoft 365, Zoom Phone, Contact Center, Google Workspace, Windows Server, OS X, Linux, UniFi Access Points, UniFi Cameras, Checkpoint Harmony Endpoint Protection, Checkpoint Harmony Email & Collaboration, Ubiquiti UniFi, Exchange Online, Windows 365, Windows Sandbox
6d
Save
Mark Applied
Hide
Data Security Administrator
Commerce or Los Angeles
$89k-$111k/yr HybridFull Time
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.
5d
Save
Mark Applied
Hide
Linux Systems Administrator (AHT)
Redondo Beach, California, United States
$104k-$125k/yr OnsiteFull Time
2+ YOEBachelor's degree with 2 years' experience or master's degree with 0 years; Linux administration, enterprise systems, hardware, networking, RPMs, scripting, troubleshooting, and ability to obtain DoD Secret clearance.
Linux, Red Hat, VMware, RPM, shell scripting
1d
Save
Mark Applied
Hide
Warehouse Clerical Support Administrator
Los Angeles, California, United States
$20-$29/hr OnsitePart Time, Seasonal
Able to stand and sit for extended periods, work in a non-climate-controlled environment, lift up to 50 pounds, use Microsoft Office, and learn software and operating systems; customer service experience preferred.
Microsoft Office
2mo
Save
Mark Applied
Hide
Engineering Solutions Systems Administrator (TeamCenter)
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
2+ YOE2+ years TeamCenter PLM administration and engineering systems experience; knowledge of CAD/CAE tool integration, Windows/Linux, strong troubleshooting and communication, and must be a U.S. person.
TeamCenter, Teamcenter, PLM, MCAD, ECAD, CAE, MBSE, Requirements Management, NX, SimCenter, Siemens, Windows, Linux, Lattice OS
4w
Save
Mark Applied
Hide
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
1d
Save
Mark Applied
Hide
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
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
3w
Save
Mark Applied
Hide
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.
5d
Save
Mark Applied
Hide
Linux Systems Administrator (AHT)
Redondo Beach, California, United States
$104k-$125k/yr OnsiteFull Time
2+ YOELinux administration experience with OS installation, configuration, patching, troubleshooting, package management, RPMs, kernel and driver interaction, performance tuning, scripting, and hardware/network support; degree or equivalent experience required.
Linux, Red Hat, RPM, VMware, shell scripting
2w
Save
Mark Applied
Hide
Operational Technology Administrator
Rancho Cucamonga, California, United States
OnsiteFull Time
1+ YOEBachelor’s degree with 1–2 years of OT systems experience, or high school diploma/GED with 3–5+ years. Requires industrial OT, network infrastructure, OT security, patch management, and incident response experience.
Operational Technology (OT), laser-guided vehicles, Human-Machine Interface (HMI), historians, servers, remote access, network devices, Industrial Control Systems (ICS), switches, routers, gateways, firewalls
Explore Jobs