262 Results for

Systems Administrator Jobs in Westchester, CA

Jobs

New!

Fullerton, CA3 days ago

$100,000–$150,000 Per Year

Certifications in Microsoft Certified: Azure Administrator Associate, CompTIA Network+, CompTIA Security+, Cisco Certified Network Associate (CCNA), and Certified Information Systems Security Professional (CISSP) will be an added advantage. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Los Angeles, CA2 days ago

$53–$65 Per Hour

Extracts data using advanced report-writing skills, exports and imports data between separate systems and/or databases, performs clinical software structural and logical analysis, and performs data validation and statistical analysis as needed. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Los Angeles, CA8 days ago

$21.50–$26 Per Year

Reconcile daily cash sale transaction payments and cash funds in the system, prepare the bank deposit, scan and process checks, prepare and submit required deposit paperwork to the Support Center. Maintain daily files for the Profit Center to include ship tickets, purchase order receivers, deposit back-ups, cash journals, and all daily reconciled reports. .

New!

Newport Beach, CA5 days ago

$40–$50

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs.

New!

Irvine, CA5 days ago

$50–$65

Los Angeles, CA8 days ago

$112,031–$168,046

Additionally, if the nursing requirements listed below are not met, an individual may be placed in the Administrator role without them; however, in the absence of these qualifications, there must be a designated Registered Supervising Nurse at the clinic who does possess these qualifications: Must be full-time employee of the Company and available to clinic staff during time clinic is open. ÃÂÃÂ· Continuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly.

North Hollywood, CA17 days ago

$37–$40 Per Hour
Temporary
Contractor
Full-time

This role supports the full contract lifecycle, including requirements definition, proposal development, performance monitoring, pricing and terms negotiation, and compliance with contractual and regulatory requirements. Initiate and coordinate the bid process by gathering requirements and collaborating with cross-functional teams to align on scope, schedule, and cost inputs.

New!

Buena Park, CA3 days ago

$125,000–$150,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Job Summary: The primary function of this position is to manage and maintain the computer network and systems, including hardware, IT ticket system, software, the network backbone, and the telephone communications system.

New!

Downey, CA5 days ago

$1–$1 Per Hour

A Mainframe Systems Programmer/DBA is responsible for leading and/or supporting the most complex database upgrade projects, modification, installation, testing, implementation, maintenance and enhancements of new or existing system software products. This classification must plan, install, configure, test, implement and manage core database products, software products in support of the County’s database architecture and business needs.

New!

Santa Monica, CA1 day ago

Remote

$50–$57 Per Hour

The position collaborates cross-functionally with Research, Translational Medicine, Legal, Procurement, and external vendors to ensure timely contract execution and support outsourced services. This role primarily focuses on drafting and managing work orders under existing master agreements, ensuring compliance with contractual terms, internal policies, and purchasing procedures.

New!

Los Angeles, CA5 days ago

$140,000–$170,000

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

New!

Los Angeles, CA6 days ago

$24–$30 Per Hour
Temporary
Contractor
Full-time

Auditor: Knowledge of HMO/IPA operations; medical terminology; ICD-10, RVS, and CPT coding; Medicare and Medi-Cal guidelines; and 10-key skills by touch. WinCorp Solutions is seeking multiple healthcare roles to serve as a consultant for our clients in the healthcare system.

Anaheim, CA30+ days ago

Full-time

Our exciting Case Management product is an Enterprise business application that includes workflow processes, case and document management, and extensive reporting with a focus on criminal justice business knowledge. Our future depends upon hiring and retaining great talent who are looking to use the latest technology to create state of the art products for our public safety and social services customers.

Monrovia, California30+ days ago

$66,000–$106,000 Per Year

Serve as the technical lead for Windows-based enterprise infrastructure supporting the DSN Administrative Network, delivering secure, reliable computing services across data center and end-user environments. Administer and optimize Microsoft enterprise platforms including Windows Server, Active Directory, Group Policy, DNS, and identity/access management services in alignment with NASA and federal cybersecurity requirements.

New!

Los Angeles, CA2 days ago

The Systems Administrator will ensure system availability, performance, and cybersecurity compliance across classified and unclassified environments while supporting DoD operational objectives. We foster an environment of compassion, servant leadership, and operational excellence, enabling our teams to support mission-critical logistics with integrity and professionalism.

Los Angeles, CA22 days ago

$102,000–$152,000 Per Year

This role is responsible for the administration, performance, and reliability of the firm’s financial systems platform, including practice management and related financial applications, as well as the SQL Server infrastructure supporting those systems. The ideal candidate will bring experience supporting enterprise financial systems in a law firm or professional services environment, combined with strong SQL Server knowledge and a solid understanding of enterprise IT infrastructure.

Anaheim, CA30+ days ago

Full-time

All active employees must be able to satisfactorily perform the essential functions of the position and that, if requested, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of their job, absent undue hardship. Occasional datacenter visits may be required for infrastructure maintenance or upgradesThis job description is not an exhaustive list of all functions that the employee may be required to perform, and the employee may be required to perform additional functions.

Los Angeles, CA30+ days ago

$80–$90 Per Hour

The Senior Systems Administrator for MES is the technical expert responsible for managing the entire IT infrastructure stack that supports 24/7 manufacturing operations—from the physical hardware (Cisco UCS) and virtualization layer (VMware) to core network services (AD) and application delivery (Citrix). Highly analytical with strong problem-solving ability, clear and effective communicator, detail-oriented, proactive in ensuring system stability and data protection, and capable of leading projects and mentoring junior team members.

Culver City, CA27 days ago

$88,000–$95,000

Manage and maintain core IT infrastructure, including Windows servers, Hyper-V virtualization platforms, cloud services (O365), networking equipment, and security systems. This position also acts as a technical escalation point for complex issues, working in collaboration with Help Desk staff to ensure timely and effective resolution, while maintaining a primary focus on infrastructure and systems operations.

New!

Los Angeles, CA2 days ago

Vision IT is seeking a highly motivated and detail-oriented Configuration Management / Systems Administrator to support mission-critical operations at Los Angeles Air Force Base. The ideal candidate will have hands-on experience in systems administration, configuration management, cybersecurity compliance, and infrastructure support within a Department of Defense (DoD) environment.

New!

Los Angeles, CA5 days ago

Vision IT is seeking a highly skilled Systems Administrator to support the AFSCI network at Los Angeles Air Force Base (LAAFB) and supported Geographically Separated Units (GSUs). The selected candidate will be responsible for the administration, maintenance, security, and operational readiness of AFSCI systems and infrastructure, ensuring compliance with Department of Defense (DoD) and Air Force enterprise architecture requirements.

New!

Los Angeles, CA2 days ago

The ideal candidate will provide hands-on administration, maintenance, troubleshooting, and operational support for enterprise server environments, network-connected printers, and related IT infrastructure in a secure Department of Defense (DoD) environment. Vision IT is seeking a highly skilled Servers/Printers Systems Administrator to support mission-critical operations at Los Angeles Air Force Base.

Los Angeles, CA24 days ago

$75,000–$90,000

Liberty Behavioral & Community Services is seeking a skilled and proactive IT Systems Administrator & Project Manager to oversee and support the organization’s technology infrastructure, applications, and system implementations. This role is responsible for managing hardware, software, and network systems, while also leading key technology initiatives—including Electronic Health Record (EHR) implementation, optimization, and support.

Los Angeles, California28 days ago

$95,000–$125,000 Per Year

Oversee the setup, maintenance, and real-time troubleshooting of audio-visual equipment in conference rooms, including MTRs, ResourceXpress, Shure, and Crestron devices. Execute configuration and maintenance of endpoint management systems and MDM solutions for a wide range of devices, including Windows, MacOS, and iOS.

Long Beach, California30+ days ago

$90,000–$110,000 Per Year

Whether it's reducing methane emissions at agricultural facilities and landfills, repurposing contaminated properties, producing alternative energy, or sequestering carbon, we've been focused on finding smart climate solutions and improving the natural environment since our inception over 55 years ago. This role focuses on the back-end functionality of the ERP system, including database administration, SQL development, report creation, system upgrades, and advanced troubleshooting.

Anaheim, CA9 days ago

Full-time

This role involves maintaining key systems such as the Assure Policy platform, managing change requests, ensuring data privacy compliance, coordinating with vendors, supporting UAT, and handling incident resolution and documentation. The ideal candidate will have 3+ years of experience in IT operations within the insurance industry, experience with similar platforms, knowledge of data privacy regulations, and strong communication and coordination skills.

Vernon, CA30+ days ago

Blackstone Talent Group is a wholly owned subsidiary of Blackstone Technology Group, a global IT services and software firm that implements technological solutions across commercial industry verticals and the US Federal Government. Blackstone Talent Group, an award-winning technology consulting and talent agency is seeking a Engineering Systems Administrator / Support Lead to join our Client's team.

Los Angeles, CA30 days ago

The IT Help Desk / Junior Systems Administrator provides frontline technical support and assists with junior-level system administration and business analysis tasks for Diamond Game end users. Responsibilities include setting up, configuring, deploying, and supporting Windows-based laptops and desktop systems, as well as installing, configuring, and troubleshooting desktop applications, particularly the Microsoft Office suite.

New!

Los Angeles, CA5 days ago

This position is responsible for overseeing all aspects of the server, backup, database, storage, and printer environments supporting mission-critical operations within a Department of Defense (DoD) enterprise infrastructure. Vision IT is seeking a highly experienced Server Lead / Systems Administrator IV to support enterprise IT operations at Los Angeles Air Force Base (LAAFB).

New!

Los Angeles, CA5 days ago

The ideal candidate will have experience supporting secure Department of Defense (DoD) environments and maintaining classified network systems in compliance with DoD cybersecurity and operational requirements. Coordinate with government personnel, network engineers, cybersecurity teams, and external support organizations to resolve technical issues.

Los Angeles, CA30+ days ago

$105,000–$145,000 Per Year

From real-time data and market insights generated by Crexi Intelligence, to targeted property marketing and seamless deal management through Crexi PRO, and a transparent, time-bound bidding experience with Crexi Auction— Crexi enables users to evaluate opportunities, maximize exposure, and close with speed and confidence. Crexi's platform democratizes CRE by providing unprecedented access to market insights and opportunities, accelerates CRE dealmaking with purpose-built technology that enhances speed and transparency; and empowers CRE professionals with a centralized platform designed for real-time collaboration and success.

Irvine, CA30+ days ago

Tailored Technology Services Inc. is a rapidly growing Managed Service Provider (MSP) delivering comprehensive IT solutions to small and medium-sized businesses across various industries, including construction, engineering, legal, and financial sectors. Key Responsibilities:System Management: Maintain, monitor, and manage client systems, including servers, workstations, networks, and cloud environments (e.g., Microsoft 365, Azure, etc.).

Vernon, CA30+ days ago

The System Administrator will provide technical support, analyze current systems and assets, recommend and implement solutions and upgrades, provide training, and help manage and maintain a broad array of IT systems for a hybrid (on-premises and cloud) environment. The ideal candidate should have a solid understanding of network and system administration principles, as well as experience working with Windows and iOS operating systems.

Los Angeles, CA30+ days ago

$37–$42

Committed to core values such as integrity, excellence, and maintaining a growth mindset, Be Structured delivers exceptional value, builds lasting partnerships, and keeps customers confident that their IT solutions are in safe hands. Monitor network performance using tools and metrics, troubleshoot network issues, and collaborate with IT teams or service providers to implement solutions and improve network efficiency.

Los Angeles, CA30+ days ago

You will provide essential day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and SAP activities, ensuring secure and reliable operations within a dedicated office environment. + Interfacing directly with local customers and program managers to provide rapid IT support and resolve technical issues during requirement meetings.

Van Nuys, CA30 days ago

$71,000–$80,000 Per Year

Security Expertise:Demonstrated ability to implement robust security protocols, including data encryption, securing network communications, and adhering to industry best practices for compliance and risk management. Cloud Infrastructure (Azure):Extensive experience with Microsoft Azure, including deploying and managing resources such as Azure Virtual Machines (VMs), Azure Active Directory (AAD), and Office 365.

Seal Beach, CA30+ days ago

Full-time

Partner closely with Program Management, Program Chief of Staff and the IT Business Success Leader to prioritize and schedule IT projects, initiatives and service requests Basic Qualifications (Required Skills/Experience): • Windows Active Directory Administration Skills • Security Plus Certification • Top Secret, SCI Tier 5 Active must have been active in the last 24 months to be considered active clearance Preferred Qualifications (Desired Skills/Experience): • Working knowledge of Risk Management Framework and Continuous Monitoring Cycle • CISSP • Information Assurance Skills This job is with Encode, Inc a fully owned subsidiary of Lancesoft In this role you will operate as the Specialized (US) Infrastructure Operations (SUSIO) – IT Site Operations Support Technician and provide system operations support for break/fix, installation, access control, information assurance and request fulfillment of IT services.

New!

Downey, CA1 day ago

Job Role: RedHat Linux System Administrator Location: Downey, CA(Onsite)Job Type: Contract W2Skills Required:The Linux System Administrator will possess knowledge in decision making; organizational awareness; and problem-solving skills. Experience Required:This classification requires a minimum of seven (7) years of experience in Red Hat Enterprise Linux, CentOS, Ubuntu, Suse, Debian Linux.

Gardena, California30+ days ago

Troubleshoot and Resolve Issues: Quickly diagnose and resolve network, hardware, software, and system issues to minimize downtime and impact on business operations. Network Management: Design, deploy, and maintain functional and secure networks (LAN, WLAN, WAN).

Gardena, California30+ days ago

Los Angeles, CA30+ days ago

$75–$80 Per Hour

All employees are required to comply with E-Verify, an Internet-based system operated by the Department of Homeland Security (DHS) in partnership with the Social Security Administration (SSA). Global Service Resources is a national recruiter for IT professionals and Healthcare professionals throughout the continental United States.

Monterey Park, CA30+ days ago

$150,000–$160,000

Support project controls disciplines within the PMIS: cost management, forecasting, schedule tracking, contract administration, change management, invoicing/payment applications, document management, RFIs, submittals, correspondence, action tracking, etc. The Senior Systems Administrator supports the Capital Improvement Program by serving as the primary administrator and advocate for the Project Management Information System (PMIS) platform (Trimble Unity Construction (TUC) / eBuilder).

New!

Los Angeles, CA2 days ago

This role is responsible for designing, developing, testing, and maintaining secure software solutions that support mission-critical electronic information systems. We foster an environment of compassion, servant leadership, and operational excellence, enabling our teams to support mission-critical logistics with integrity and professionalism.

New!

Los Angeles, CA5 days ago

The ideal candidate possesses extensive experience managing enterprise IT operations, developing implementation strategies, resolving complex technical issues, and ensuring all operational sections remain compliant with current Performance Work Statement (PWS) requirements and directed government guidance. This role requires strong leadership, operational oversight, advanced systems administration expertise, and the ability to translate complex technical concepts into actionable information for government stakeholders and decision-makers.

City of Industry, California30+ days ago

$105,000–$115,000 Per Year

Alhambra, California16 days ago

Overview: The Server Administrator, under the supervision of the Senior Director of Information Services, is responsible for the expert design, implementation, and advanced administration of the organization's critical, multi-platform server infrastructure, including Dell/HP hardware, Windows and Linux operating systems, and diverse virtualization technologies (VMware vSphere/ESXi and Microsoft Hyper-V). Expertise in architecting, implementing, and maintaining enterprise-level directory services, specifically Windows Active Directory and Group Policy Objects (GPOs), alongside critical network services (DNS, DHCP).

Alhambra, California28 days ago

AHMC provides management services to AHMC Anaheim Regional Medical Center, Garfield Medical Center, Greater El Monte Community Hospital, Monterey Park Hospital, San Gabriel Valley Medical Center, AHMC Seton Medical Center, AHMC Seton Medical Center Coastside, Doctors Hospital of Riverside, and Whittier Hospital Medical Center. The Network Administrator plays an essential role in guaranteeing the stability and integrity of voice, data, video, and wireless network services, serving as the primary resource for planning, designing, and developing local area networks (LANs) and wide area networks (WANs) across the enterprise.

New!

Los Angeles, CA2 days ago

This senior-level role provides technical leadership, systems expertise, and operational oversight for electronic information systems supporting mission-critical environments. We foster an environment of compassion, servant leadership, and operational excellence, enabling our teams to support mission-critical logistics with integrity and professionalism.

New!

Los Angeles, CA2 days ago

Vision IT is seeking a Cybersecurity Information Systems Security Officer (ISSO) to support mission-critical defense operations onsite at Los Angeles Air Force Base. We foster an environment of compassion, servant leadership, and operational excellence, enabling our teams to support mission-critical logistics with integrity and professionalism.

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Systems Administrator Jobs in Westchester, CA

Jobs

System AdministratorJobot

Sr. Clinical Info Systems AnalystJobot

Sr Profit Center Office AdministratorHajoca Corporation

Sr. Contract AdministratorVaco LLC

Payroll AdministratorVaco LLC

Dialysis Facility AdministratorU.S. Renal Care

Contracts Administrator804 Technology

IT Manager (Manufacturing Preferred)Jobot

ADABAS/CICS/IMS Systems Programmer/DBATPI Global Solutions

Contracts AdministratorCareers Integrated Resources Inc

Finance Manager x 140K - 160K + bonus x LA / flexVaco LLC

MULTIPLE HEALTH CARE ROLES (URGENTLY HIRING!!) - LA AREAWinCorp Solutions

IT Systems AdministratorcFive Solutions, Inc

Systems AdministratorPeraton

Electronic Information Systems – Systems AdministratorVision Information Technology Consultants LLC

Financial Systems AdministratorFisher & Phillips LLP

Systems AdministratorGanahl Lumber Co

Sr. Systems AdministratorValspec

Systems Administrator IPunch Studio

Configuration Management / Systems AdministratorVision Information Technology Consultants LLC

AFSCI Systems Administrator (TS/SCI)Vision Information Technology Consultants LLC

Servers/Printers Systems AdministratorVision Information Technology Consultants LLC

IT Systems Administrator & Project ManagerLiberty Behavioral & Community Services, Inc.

Endpoint Systems AdministratorCorgan

ERP Systems AdministratorSCS Engineers

IT Business Systems Administrator - HYBRIDDB Insurance Co., Ltd.

Engineering Systems Administrator / Support LeadBlackstone Talent Group

IT Help Desk - Junior System Administrator, Diamond Game EnterprisesDiamond Game

Server Lead / Servers & Printers – Systems Administrator IVVision Information Technology Consultants LLC

SIPRNet Support – Systems AdministratorVision Information Technology Consultants LLC

Business Systems AdministratorCrexi

System AdministratorTailored Technology Services

System Administrator- Vernon, CaliforniaGeorgia Tek Systems

System Administrator II (Bi-Lingual English/Spanish)Be Structured Technology Group, Inc.

Network System AdministratorManTech

System AdministratorSaunders Electric

System Administrator 3LanceSoft Inc

RedHat Linux System AdministratorNastech Global

Systems/Network AdministratorHustler Casino

Systems/Network AdministratorLarry Flynt's Lucky Lady Casino

AS/400 System Administrator 857Global Service Resources

Senior System AdministratorPM2CM

Electronic Information Systems – Software DeveloperVision Information Technology Consultants LLC

Operations Manager / IT Systems SME (Subject Matter Expert)Vision Information Technology Consultants LLC

Systems & Network AdministrationQuinn Company

Server Administrator (on-site) (no relo)AHMC Healthcare

Network Administrator (on-site) (no relo)AHMC Healthcare

Electronic Information Systems – Subject Matter Expert (SME)Vision Information Technology Consultants LLC

Cybersecurity – Information Systems Security Officer (ISSO)Vision Information Technology Consultants LLC

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