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184 junior system administrator jobs at 133 companies in Compton, 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
2w
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System Administrator I
Long Beach, California, United States
$27-$32/hr OnsiteFull Time
VectorUSA
VectorUSA: An IT services providing onsite infrastructure support and technical delivery for enterprise clients.
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
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1mo
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Linux System Administrator (Associate)
Seal Beach, California, United States
$79k-$133k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Active Top Secret/SCI or recent Tier 5 (T5); experience with Linux (RHEL), AWS, system provisioning/patching, user administration; ability to obtain Security+ / IAT Level 2; U.S. person required; willingness to relocate if needed.
Red Hat, RHEL, AWS, Linux, Agile, Joint Special Access Program Implementation Guide (JSIG), Risk Management Framework (RMF)
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1mo
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Linux System Administrator (Associate)
Seal Beach, California, United States
$79k-$133k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Active U.S. Top Secret/TS-SCI clearance, U.S. citizenship, experience with Linux (RHEL) and AWS, knowledge of JSIG and RMF, ability to obtain Security+/IAT Level 2, willingness to relocate if needed.
Red Hat Enterprise Linux (RHEL), Linux, AWS, JSIG, RMF, Agile
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1mo
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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)
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2mo
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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.
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3w
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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
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4d
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Program Administrator
Downey, California, United States
$24-$27/hr OnsiteFull Time
PALS
PALS: Provides residential and day services for adults with disabilities.
2+ YOEAssociate's or Bachelor's preferred, minimum 2 years administrative experience, 1 year in developmental disabilities preferred; proficiency with Microsoft Word/Excel and electronic records systems; strong communication and organizational skills.
Microsoft Word, Microsoft Excel, BambooHR
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1mo
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National Sales Administrator
Santa Fe Springs, California, United States
$25-$34/hr OnsiteFull Time
Wismettac Asian Foods
Wismettac Asian FoodsTokyo Stock Exchange: 9260: Wholesales and distributes Japanese and Pan Asian food products.
High school diploma required; associate degree preferred; experience in office/sales support; proficient in MS Office; knowledge of ERP/order processing systems.
MS Office, Oracle ERP, Excel, Outlook, Word
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3d
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Branch Office Administrator - San Juan Capistrano, CA
San Juan Capistrano, California, United States
OnsiteFull Time
Edward Jones
Edward Jones: Offers investment management and financial planning through local branches.
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
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6d
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System Support Analyst (TEMP)
Irvine, California, United States
$23-$25/hr OnsiteFull Time
Boot Barn
Boot BarnNYSE: BOOT: Specialty retailer of western and work-related apparel and footwear.
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)
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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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3w
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Engineering Solutions Systems Administrator (TeamCenter)
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
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
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6d
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Systems Support Administrator
Irvine, California, United States
$26-$28/hr OnsiteFull Time
FirstService Residential
FirstService ResidentialNASDAQ / TSX: FSV: Manages residential communities and homeowners associations for property owners.
1+ YOEBachelor's degree or equivalent; 1+ year systems support experience preferred; project management experience preferred; proficiency with Microsoft Office, Excel, Teams, and SharePoint.
Microsoft Office, Microsoft Excel, Microsoft Teams, Microsoft SharePoint
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2w
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KAISJP00252208 Systems Administrator
Downey, California, United States
OnsiteFull Time
Kaiser Permanente
Kaiser Permanente: Integrated healthcare and insurance services provider
2+ YOE2+ years IT support experience (or bachelor's degree), experience supporting enterprise applications, troubleshooting in production/warehouse environments, documenting SOPs, strong analytical and communication skills.
Distributed Order Management System (DOMS), OpenShift, Oracle, Linux, Splunk, Java
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2w
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Systems and Information Administrator
Irvine, California, United States
$75k/yr OnsiteFull Time
Cityside Fiber
Cityside Fiber: Provides high-speed fiber-optic internet to Southern California communities.
2+ YOEBachelor's or equivalent experience,2+ years server administration and data governance,proficiency with APIs/JSON/Postman,SQL,virtualization (VMware/Hyper-V),and strong troubleshooting and communication skills.
JSON, GeoJSON, Postman, SQL, VMware, Hyper-V, Microsoft Windows Server, Linux, Microsoft Active Directory, ERP, CRM, HRIS
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1mo
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Administrator in Training (CA, Garden Grove, The Grove Post-Acute)
Garden Grove, California, United States
OnsiteFull Time
Anaheim Healthcare Center
Anaheim Healthcare Center: Provides skilled nursing, rehabilitation, and memory care services.
2+ YOEBachelor's degree in healthcare/business admin or related field; enrollment in/on track for Administrator in Training; strong communication; team collaboration; proficiency in MS Office and healthcare systems; valid driver's license.
Microsoft Office, Healthcare software systems
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3d
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HVAC Service Project Administrator
Brea, California, United States
$63k-$89k/yr HybridFull Time
Trane Technologies
Trane TechnologiesNYSE: TT: Global provider of heating, ventilation, and air conditioning solutions.
0+ YOEHigh school diploma or GED, up to 2 years related experience or training, strong communication, problem solving, basic accounting/financial systems familiarity, ability to prioritize and meet deadlines.
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2w
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IT Systems Administrator Intern
Culver City, California, United States
$22-$28/hr HybridTemporary, Part Time
Servicon
Servicon: Provides commercial cleaning and facility maintenance services.
Student-level candidate with foundational Windows and iOS knowledge; familiar with Active Directory/Azure AD, networking fundamentals, Microsoft 365; ability to provide Tier 1/2 support, assist onboarding/offboarding, and document IT procedures.
Windows 10, Windows 11, iOS, Active Directory, Azure Active Directory, DNS, DHCP, TCP/IP, Microsoft 365, Microsoft Intune, HRIS
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2mo
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Sr Profit Center Office Administrator
Compton, California, United States
$22-$26/yr OnsiteFull Time
Hajoca
Hajoca: Wholesale distributor of plumbing, heating, and industrial supplies.
2+ YOE2+ years experience in customer service, accounts receivable or accounts payable; valid driver’s license; knowledge of AR/AP bookkeeping; proficiency with Microsoft Office and basic computer systems; strong accuracy and communication skills.
Microsoft Office
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1w
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Principal Network Systems Administrator - Fire Emergency
Los Angeles County, California, United States
$119k-$161k/yr OnsiteFull Time
County of Los Angeles
County of Los Angeles: Provides public services and healthcare to Los Angeles County residents.
2+ YOEBachelor's or equivalent experience options; 2–5 years managing complex, high-availability network infrastructure; experience planning, designing, installing and maintaining networks; valid California Class C driver license.
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