Systems Administrator Jobs in Irvine, CA
Tech Providers Inc.
$76
Downey, CA
The Senior Systems Programmer for Legacy Systems, for development of operating systems, is responsible for analyzing systems requirements, risks and costs; evaluating, selecting, verifying and validating systems software environments; evaluating, selecting and installing compilers, assemblers and utilities; integrating hardware and software components within systems environments; monitoring and fine-tuning performance of systems environments; evaluating new systems engineering technologies and subsequent effects on operating environments; and/or ensuring that information security/information assurance policies, principles and practices are integral elements of operating environments. Assignment ViewSectorLos Angeles CountyContractor's Work LocationISD D-Remote-Internal Services Department (Downey)Position TitleSrZ/OS Systems programmerLabor CategoryInformation TechnologyJob CategorySenior Mainframe Systems ProgrammerNumber of Positions1Job Level1Submittal allowed per staffing agency2PrioritySubmittals allowed for this Requisition50Assignment TypeTemporaryIs a Livescan Required for Position?
Vaco LLC
$50 - $65
Irvine, CA
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.
U.S. Renal Care
Orange, CA
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. 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.
PEAK Technical Staffing
Irvine, CA
Candidate Privacy To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://peaktechnical.com/privacy-policy/and https://peaktechnical.com/ca-residents-privacy-rights/ As a Contracts Administrator, you will manage contracts of moderate scope and complexity, ensuring compliance with contractual obligations and company policies.
Jobot
$50 - $62
Seal Beach, CA
Database Management Systems (DBMS): Mastery of relational systems (SQL Server, Oracle, PostgreSQL, MySQL) and increasingly NoSQL or Big Data solutions (MongoDB, Snowflake, Cassandra). 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.
Jobot
$140000 - $165000
Irvine, CA
The ideal candidate will bring deep technical expertise in data engineering, machine learning, and cloud-native development to help accelerate our Oracle integrations and unlock intelligent automation across financial workflows. 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.
804 Technology
$85000 - $90000
Irvine, CA
Interprets customer requests, monitors performance and delivery, investigates complaints, generates proposals, negotiates pricing, and ensures compliance with contracts and agreements. The role is to administer moderately complex contracts by analyzing performance requirements and customer purchase order requirements including those issued against Basic Contract Agreements and/or Long- Term Agreements.
804 Technology
$95000
Irvine, CA
Interprets customer requests, monitors performance and delivery, investigates complaints, generates proposals, negotiates pricing, and ensures compliance with contracts and agreements. Administers moderately complex contracts by analyzing performance requirements and customer purchase order requirements including those issued against Basic Contract Agreements and/or Long- Term Agreements.
Golden State Foods
$118000 - $147000
Irvine, CA
This includes monitoring, tuning, securing, designing, testing, installing, and optimizing both on‑premise SQL Server environments and SQL‑as‑a‑Service platforms such as AWS RDS and Azure SQL Database. Golden State Foods (GSF) is one of the largest diversified suppliers in the food industry, manufacturing a range of products including sauces, dressings, condiments, syrups, and toppings for leading restaurant and retail brands.
Tech Providers Inc.
$1
Downey, CA
Skills Required The Senior Load Balancer Engineer will possess in depth knowledge of F5 VIPRION LTM, GTM systems; virtual F5 VIPRION LTM/GTMs, migration from physical to virtual F5, or other cloud-based load-balancers; VMware ARVI located at the various cloud providers, such as AWS, MS Azure, Google cloud, IBM cloud; global load balancing; local load balancing; SSL acceleration; HTTP compression/caching; and DNS. The Senior Load Balancer Engineer, in maintenance and support of F5 Load Balancers, is responsible for the installation, configuration, and maintenance of all F5 Local Traffic Manager (LTM) and Global Traffic Manager (GTM) load balancer functions to include creating virtual servers, pools/pool members, nodes, monitors, and iRules.
Soto Law Group, APC
$20 - $26
Newport Beach, CA
This position is an integral member of our team who takes control of the front-end client experience by being the first point of contact with the firm, providing general administrative support, and helping us communicate effectively with clients and potential new clients. If the following describes you, then YOU may be the team member we are looking for: We are seeking a highly organized and professional Front Desk Office Manager and Administrative Assistant to work full-time and join our team.
Tech Providers Inc.
Norwalk, CA
Skills Required The Senior Developer for OPBCS will possess knowledge and experience in software development life cycle; system analysis and analytical principles; basic IT architecture and technical documentation methods; systems design tools, methods and techniques, including automated systems analysis and design tools to develop requirements and specifications for systems that meet business requirements; extensive knowledge of financial systems; knowledge of implementation and support of Oracle PBCS and other financial systems; design and development of forms, member formulas, business rules, reports, dash boards, integrations, diagnosis and issue resolution of PBCS; knowledge and experience with data loading, integrations using REST APIs; analytical skills to troubleshoot data discrepancies and identify data load issues; knowledge to create test plans to ensure data accuracy; establish and maintain cooperative working relationships with those contacted in the course of the work; and speak and write effectively and prepare effective reports. Assignment View Sector Los Angeles County Contractor's Work Location DPSS-Public Social Services Position Title Program Budgeting Financial Reporting Labor Category Information Technology Job Category Senior Developer for Oracle Planning and Budgeting Cloud Service Number of Positions 1 Job Level 1 Submittal allowed per staffing agency 3 Priority Submittals allowed for this Requisition 50 Assignment Type Temporary Is a Livescan Required for Position?
cFive Solutions, Inc
Anaheim, CA
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.
Ganahl Lumber Co
Anaheim, CA
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.
Air Treatment Corporation
$85000 - $130000
Brea, CA
The Systems Administrator is responsible for managing and maintaining our organization's IT infrastructure, ensuring optimal performance, security, and reliability. We understand the expectations of high–quality customer service, therefore we actively search and promote a cohesive team that is formulated to exceed expectations.
Ledgent Technology
$75000 - $85000
Upland, California
Responsibilities include overseeing data backups, assisting with disaster recovery testing, administering Active Directory, troubleshooting GPOs, and conducting security monitoring, alert investigation, and vulnerability scanning. The role involves managing, monitoring, securing, and maintaining on-premises and cloud-based Windows servers, including performance optimization, documentation, storage analysis, and patching.
Lumbee Holdings, Inc
Camp Pendleton, CA
Administer data system host security measures by implementing account management to limit users and using credential parameters for security measures, designating data pools to associated node necessities to add port security to the network, and limiting host privileges to ONLY the administrative client(s). The Systems Administrator will provide Windows, LINUX, and Android based systems support for the Joint All-Domain Command and Control (JADC2) Support Services within the Marine Corps Tactical Systems Support Activity (MCTSSA).
Carter Services, Inc.
$26 - $38
Torrance, CA
Over the decades, we've expanded into a full-service home and commercial solutions provider, offering plumbing, electrical, HVAC, vent cleaning, refrigeration, and comprehensive appliance services throughout Torrance, Orange County, the South Bay, Los Angeles, and surrounding areas. Carter Services, Inc. in Torrance, CA is hiring a full‑time, on‑site CRM Systems Administrator - IT Specialist to become the force behind smoother workflows, cleaner data, and smarter decisions across our teams.
See's Candies
$40.77 - $55.96
Carson, CA
Minimum 3 years of patch management and software deployment experience using an enterprise level management software for patching and deploying software to multiple clients. Minimum 3 years of endpoint security and protection experience using an enterprise level management software to manage, protect, monitor, alert and remediate security vulnerabilities and threats.
Georgia Tek Systems
Vernon, CA
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.
TalentBurst, Inc.
Downey, CA
The Linux System Administrator is responsible for applying Red Hat Enterprise Linux (RHEL), Ubuntu, CentOS, Suse and Debian concepts and industry best practices to resolve complex issues, provide daily operational management of private and public cloud Linux server instances, maintaining thorough documentation of procedures and system configurations, selecting methods and techniques to obtain solutions, evaluating technologies, performing cost / benefit analysis, and completing additional work assigned by the manager and lead. The position requires system administration experience along with the skill to administer various distributions and open-source applications of the Linux operating system; works closely with other System Administrators, Application Engineers, Developers, Cyber Security professionals, Systems Engineers, and Operations specialists to provide top-quality secure computing and storage services to a variety of county customers.
Foundation Building Materials
$93500 - $121000
Santa Ana, California
The listed pay range reflects the expected base rate for this position; actual compensation may vary based on factors such as experience, qualifications, and cost of living in the assigned market. Assist in the administration and security configuration of Office 365, including: Email security tools and Data Loss Prevention (DLP) features.
Surge Staffing
$75000 - $105000
Corona, CA
This is a mid-to-senior level role requiring hands-on experience with Microsoft Intune, Azure AD, and Windows Server. Systems Administrator to manage endpoint environments and support Windows infrastructure.
Hustler Casino
Gardena, California
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).
PM2CM
$150000 - $160000
Monterey Park, CA
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).
Larry Flynt's Lucky Lady Casino
Gardena, California
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).
TalentBurst, Inc.
$68 - $70
Downey, CA
The Senior Systems Programmer for Legacy Systems, for development of operating systems, is responsible for analyzing systems requirements, risks and costs; evaluating, selecting, verifying and validating systems software environments; evaluating, selecting and installing compilers, assemblers and utilities; integrating hardware and software components within systems environments; monitoring and fine-tuning performance of systems environments; evaluating new systems engineering technologies and subsequent effects on operating environments; and/or ensuring that information security/information assurance policies, principles and practices are integral elements of operating environments. Skills RequiredA Senior Mainframe Systems Programmer is responsible for leading and/or supporting the most complex IT infrastructure, modification, installation, testing, implementation, maintenance and enhancements of new or existing system software products.
HireTalent
Downey, CA
The Senior Systems Programmer for Legacy Systems, for development of operating systems, is responsible for analyzing systems requirements, risks and costs; evaluating, selecting, verifying and validating systems software environments; evaluating, selecting and installing compilers, assemblers and utilities; integrating hardware and software components within systems environments; monitoring and fine-tuning performance of systems environments; evaluating new systems engineering technologies and subsequent effects on operating environments; and/or ensuring that information security/information assurance policies, principles and practices are integral elements of operating environments. A Senior Mainframe Systems Programmer is responsible for leading and/or supporting the most complex IT infrastructure, modification, installation, testing, implementation, maintenance and enhancements of new or existing system software products.
Bowhead / UIC Technical Services
Corona, CA
Bowhead is seeking a Senior Linux and OpenShift Administrator to provide senior-level administration, engineering, and operational support for Linux-based enterprise systems and container platforms, including Red Hat OpenShift, supporting mission-critical government and DoD programs. • Deploy, configure, administer, and sustain Red Hat OpenShift clusters, including control plane and worker nodes, storage integration, networking, and platform upgrades.
Quinn Company
$105000 - $115000
City of Industry, California
Hustler Casino
Gardena, California
Network Management: Monitor and maintain network devices and services to ensure secure, functional, and high-performing network environments. System Administration: Support system administration tasks, including managing Windows servers, VMware (ESXi, vSAN), and backup systems like Veeam.
Ganahl Lumber Co
Anaheim, CA
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. Since 1884, we have been a family- and employee-owned business providing building supplies and hardware for pro contractors and DIY enthusiasts alike.
New American Funding
Santa Ana, California
Summary: This position is to design, implement, and optimize our hybrid infrastructure, leveraging a mix of Windows-based systems, Nutanix virtualization, and cloud platforms such as Azure or AWS. This role is ideal for a technical expert who thrives on solving complex infrastructure challenges, driving automation, and influencing enterprise-scale architecture and design.
Larry Flynt's Lucky Lady Casino
Gardena, California
Network Management: Monitor and maintain network devices and services to ensure secure, functional, and high-performing network environments. System Administration: Support system administration tasks, including managing Windows servers, VMware (ESXi, vSAN), and backup systems like Veeam.
Casino Security Inc.
Gardena, California
Network Management: Monitor and maintain network devices and services to ensure secure, functional, and high-performing network environments. System Administration: Support system administration tasks, including managing Windows servers, VMware (ESXi, vSAN), and backup systems like Veeam.
Better Debt Solutions
Irvine, CA
As our Accounting Systems Analyst, you won't just be maintaining software; you will be the primary architect and administrator of our NetSuite ERP and data warehouse. Better Companies is a multi-brand financial services organization providing debt relief, tax support, and business funding solutions.
ITT Inc. - English US
$74300 - $110500
Irvine, California
Knowledge in supporting solutions around SAP ecosystems and a technology stack of S/4 HANA, SAP Enterprise Core Component (ECC), Business Intelligence (BI), Enterprise Portal (EP), SAP HANA, Suite on HANA, BW on HANA, SLD, Process Integration (PI/PO), Fiori, CRM, EWM, LVM, Solution Manager, BOBJ BI/BODS, GRC, Content Server, JAVA systems etc. For a person to be successful in this role, they will need to be highly driven , able to balance many active priorities, detail oriented, planful, comfortable in searching out and addressing ambiguity, able to consistently deliver results to achieve intended business outcomes, persists with a naturally curious and highly accountable mindset, and approaches situations in a thoughtful and process-oriented manner.
Jobot
$33 - $38
Irvine, CA
The Sales Support Administrator plays a critical role in supporting our recruiting and sales teams by coordinating provider travel, assisting with administrative tasks, and helping ensure assignments run smoothly from start to finish. 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.
Vaco LLC
$40 - $50
Newport Beach, CA
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.
Blackstone Talent Group
Vernon, CA
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. We are seeking a NetSuite Developer with strong experience in operations, supply chain, and order-to-cash / procure-to-pay processes to design and deliver scalable solutions within NetSuite.
SmartFinancial
$160000 - $175000
Newport Beach, CA
From lively Slack channels that keep teams connected to memorable events like our Summer Beach Party, Chili Cook-Off, Holiday Yacht Party, and impromptu office potlucks, we believe in celebrating success and enjoying the journey together. Design schemas, optimize queries, and tune databases to ensure high performance, availability, and scalability for production workloads.
Motive Companies
$28 - $36
Fountain Valley, CA
Troubleshoots and identifies hardware and software problems in a timely manner; resolves routine problems, replaces defective components, and researches resources to identify solutions. Provide ongoing first and second-level helpdesk support and ticket triage, including problem troubleshooting, customer support, ticket creation, management, and follow-up.
KORE1 Technologies
$27 - $35
Los Alamitos, CA
The ideal candidate is a highly organized and proactive HR professional who is comfortable working with large volumes of data, maintaining employee records, and supporting HR operational processes. This role is critical to addressing existing HR data backlogs, cleaning up employee files, and preparing HR systems for upcoming organizational and technology changes.
Brookfield Properties
$58000 - $65000
Costa Mesa, CA
As part of Brookfield — one of the largest alternative asset managers in the world — we harness our resources to bring a fresh approach, unparalleled creativity, relentless innovation, and sound Sustainability practices to the planning, development, and management of buildings everywhere. It’s a feat that wouldn’t be possible without our team, a diverse group of creative visionaries and innovative experts who are relentless in pursuit of one goal: to ensure our buildings don’t simply meet the needs of our tenants, residents, and communities — but exceed them, every day.
CGS Business Solutions
Irvine, CA
We’re also proud to be named one of the Orange County Business Journal’s Fastest Growing Companies, earning the distinction for five consecutive years as we continue to expand into new markets across the U.S. Companies trust CGS to attract, engage, and retain elite technology talent—giving them the advantage they need to lead with confidence in a rapidly evolving digital landscape. CGS Business Solutions is a nationally recognized leader in IT staffing and consulting, delivering top-tier talent across Applications, Cloud & Infrastructure, Cybersecurity, Data & AI, and Engineering.
Blackstone Talent Group
Vernon, CA
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. We are seeking a NetSuite Developer with strong experience in operations, supply chain, and order-to-cash / procure-to-pay processes to design and deliver scalable solutions within NetSuite.
AIS Insurance Specialists
$63410 - $117348
undefined, California
Coordination of the delivery of office services, including maintenance, repairs, cleaning, security, and utilities, in partnership with internal teams, building management, and external service providers. Support the handling of escalated customer complaints and executive‑level inquiries, including matters involving VIP customers, by coordinating information, facilitating resolution, and providing assistance to executives as needed.
TCI Transportation
Commerce, California
Over the past four decades, we’ve grown from a single operation into a coast-to-coast transportation partner, continuously expanding our locations and services to help our customers operate more efficiently and scale their businesses. If you thrive on detail, love solving problems, and take pride in getting things right—this is your opportunity to make a real impact.
Blackstone Talent Group
Vernon, CA
This role requires a hands-on developer who can partner closely with finance stakeholders, translate accounting and reporting requirements into well-structured system solutions, and deliver clean, maintainable customizations using NetSuite best practices. 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.
Insight Global
Irvine, CA
Additionally, the position assists with system implementation related control requirements for mergers and acquisitions and system upgrades, develops and documents new processes and procedures to enhance client service, and stays abreast of leading practices in IT governance, risk, and control, collaborating with management to deliver internal training and guidance. It also involves participating in annual audits (SOC2, HITRUST, HIPAA, ISO 27001) and ad hoc compliance audit requests, identifying and raising awareness of potential risks, and proposing mitigation strategies.