5,459 Results for

Senior IT Jobs in Tustin, CA

Jobs

Sr Embedded Software Engineer 2 Volt

Norwalk, CA

$65–$75 / hour
Quick Apply

High level of proficiency in the design of analog and digital electronic circuits, power system electronics, electronic and electro-mechanical systems, and control systems. Embedded Software Engineer 2 , you will: Leads team that architects, designs, develops, debugs, and maintains software to provide innovative products and solutions to our customers.

30+ days ago

Sr. Applications Developer - Idea to Market (PLM) Ventura Foods

Mission Viejo, CA

$114,281–$148,796 / year

Module specific expertise in PLM Technical & Functional areas - covering & not limited to: Design & build interfaces, Item Class configuration, Workflow designer, Item Catalog, Lifecycles, ECOs, Quality issue workflows, Master data Management, Configurator etc. Ventura Foods may use Artificial Intelligence (AI) assisted tools at certain stages of our hiring process, including identifying & sourcing candidates, reviewing applications and matched candidates on job boards and websites, and generating screening questions to help us work more efficiently and consistently.

1 day ago

Senior Planner 4LEAF, Inc

Newport Beach, CA

$86,000–$105,200 / year

As one of the industry’s notable providers of planning, building and safety, engineering, construction management, and fire consulting services, 4LEAF has an enviable track record of completing complex projects and staffing assignments with both public and private clients. Minimum of 4 - 6 years of staff experience working in municipal planning and/or community development AND completion of Master’s degree (preferred) from an accredited college or university with a major in urban planning or a closely related field; or.

30+ days ago

Sr. IT Systems Administrator, IT Applications Space Exploration Technologies Corp

Hawthorne, CA

$95,000–$120,000 / year

As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms-especially the full Atlassian suite (Jira Software, Jira Service Management, Confluence, and more)-while architecting and maintaining critical integrations that connect SaaS tools, CRM, ERP, billing systems, and internal applications. Bachelor''s Degree in Computer Science, Information Technology, or related technical discipline and 3+ years of hands-on experience designing, implementing, and managing applications in large enterprise environments; OR 5+ years of hands-on experience designing, implementing, and managing applications in large enterprise environments in lieu of a degree.

30+ days ago

Sr. IT Systems Administrator, IT Applications Space Exploration Technologies

Hawthorne, CA

$95,000–$120,000 / year

As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms-especially the full Atlassian suite (Jira Software, Jira Service Management, Confluence, and more)-while architecting and maintaining critical integrations that connect SaaS tools, CRM, ERP, billing systems, and internal applications. Bachelor's Degree in Computer Science, Information Technology, or related technical discipline and 3+ years of hands-on experience designing, implementing, and managing applications in large enterprise environments; OR 5+ years of hands-on experience designing, implementing, and managing applications in large enterprise environments in lieu of a degree.

30+ days ago

Sr. IT Systems Administrator, IT Applications SpaceX

Hawthorne, CA

$95,000–$120,000 / year

As a Senior IT Systems Administrator, you will serve as a key technical leader and Subject Matter Expert for our collaborative platforms—especially the full Atlassian suite (Jira Software, Jira Service Management, Confluence, and more)—while architecting and maintaining critical integrations that connect SaaS tools, CRM, ERP, billing systems, and internal applications. Bachelor's Degree in Computer Science, Information Technology, or related technical discipline and 3+ years of hands-on experience designing, implementing, and managing applications in large enterprise environments; OR 5+ years of hands-on experience designing, implementing, and managing applications in large enterprise environments in lieu of a degree .

30+ days ago

Senior IT Technician West Coast University Inc

Irvine, CA

$33.73–$48.91 / hour

Under the direction of the Senior Manager, Information Technology, the Senior IT Technician provides responsive, technical support to Administration associates, serving as the primary point of contact for first-level IT, support requests. Provides senior-level technical support, troubleshooting, and guidance for Microsoft Windows 11, including operating system configuration, application compatibility, performance, and endpoint-related issues.

3 days ago

Sr. Operations Executive & Sr. IT Manager#12990 Actus Consulting Group

Carson, California

Project Management & UAT: Manage the development lifecycle of custom tools, including timeline management and rigorous User Acceptance Testing (UAT) to ensure software meets business needs before deployment. Basic Design & Logic Flow: Create the conceptual design for in-house applications, ensuring they integrate seamlessly with Extensiv (WMS – Warehouse Management System), CargoWise (Global Forwarding System) and Syrinx (NVOCC System).

30+ days ago

Sr. IT Security Administrator County of Orange

Orange, CA

$110,822.40–$149,240 / year

Physical and Mental Requirements: Frequent standing or sitting for extended periods; frequent walking; occasional driving may be required, depending upon assignment; infrequent pushing/pulling; infrequent bending, kneeling, squatting and crawling; infrequent lifting up to 25 pounds; constant use of good overall vision for reading/close up work; infrequent use of color perception and occasional eye/hand coordination; frequent repetitive motion from writing and using a computer keyboard; occasional grasping, holding and reaching; frequent hearing/talking to others on the telephone and in person; frequent decision making and concentration; occasional public contact; occasional working alone. OCSD-specific systems, procedures, and agency relationships can be learned through normal onboarding; advanced incident response and threat investigation; administration of SIEM/XDR/SOAR and endpoint controls (Palo Alto XSIAM/XDR experience is especially relevant); identity and privileged-access security; vulnerability and exposure management; cloud and network security; detection engineering and automation; and documented experience applying CJIS, NIST, ISO, or comparable control frameworks.

17 days ago

Sr IT Internal Auditor City of Hope

The Senior IT Internal Auditor also supports financial, operational, and regulatory audits while providing technical guidance, mentoring audit team members, and developing trusted relationships with IT leaders and stakeholders across the organization. City of Hope's growing national system includes its Los Angeles campus, a network of clinical care locations across Southern California, a new cancer center in Orange County, California, and treatment facilities in Atlanta, Chicago and Phoenix.

30+ days ago

Senior IT Manager - CMMC / NIST 800-171 Johnson Service Group

Garden Grove, CA

$140,000–$160,000 / year
Quick Apply

This is an excellent opportunity for a hands-on IT leader with strong multi-site manufacturing experience and expertise in NIST 800-171 and CMMC compliance. The Senior IT Manager will provide leadership, oversight, and mentorship while creating consistency and accountability across the organization.

24 days ago

Senior IT System Administrator Vast Space

Long Beach, CA

$123,000–$180,000 / year

Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast's ongoing commitment to providing high-quality meals for employees.

30+ days ago

Sr. IT Systems Engineer, DevOps Space Exploration Technologies Corp

Hawthorne, CA

$155,000–$215,000 / year

Administer, scale, and evolve CI/CD platforms, source control systems (e.g., GitHub, GitLab, Bitbucket, Jenkins, Bamboo, or modern equivalents), and the supporting on-premise Kubernetes clusters or VM-based infrastructure they run on. Experience administering and scaling code hosting/collaboration platforms (GitHub, GitLab, Bitbucket) and CI/CD systems (Jenkins, GitHub Actions, GitLab CI, Bamboo, or similar) on on-premise infrastructure.

30+ days ago

Sr. IT Systems Engineer, DevOps SpaceX

Hawthorne, CA

$155,000–$215,000 / year

2 days ago

Sr. IT Systems Engineer, Devops Space Exploration Technologies

Hawthorne, CA

$155,000–$215,000 / year

30+ days ago

Senior IT Systems Engineer I Rocket Lab USA

Long Beach, CA

$115,000–$140,000 / year

Important information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond.

30+ days ago

Officer, Senior IT Auditor Banc of California

Santa Ana, California

The Officer, Senior IT Auditor is responsible for executing risk-based IT audits, technology control assessments, issue validation activities, and other audit engagements to support the successful completion of the Internal Audit Plan. As the largest independent bank headquartered in California, the bank offers a broad range of loan and deposit products and services through a network of full-service branches and regional offices, as well as through digital and nationwide capabilities.

24 days ago

Senior IT Manager Infrastructure and Cloud Engineering Trader Joe's Co

Monrovia, CA

The successful candidate will balance strategic direction with disciplined execution, build strong engineering teams, clarify accountability across engineering and operations, and deliver measurable improvements in service reliability, delivery efficiency, security, scalability, and financial stewardship. Establish and execute engineering roadmaps for datacenter infrastructure, compute, virtualization, storage, backup and recovery, enterprise networking, and connectivity across stores, offices, datacenters, and cloud environments.

15 days ago

Senior IT System Administrator Vast

Long Beach, California

$123,000–$180,000 / year

Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast’s ongoing commitment to providing high-quality meals for employees.

24 days ago

Senior IT Client Service Specialist NTT DATA Group Corp

$90,000–$150,000 / year

Works closely with the regional or service provider stakeholders and delivery providers to ensure the service aggregation is in line with the partnership agreement. This role acts as the business relationship manager to the region/division, ensuring that services meet the business's requirements and facilitate any demands for changes to the service catalogue.

22 days ago

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Senior IT Jobs in Tustin, CA

Sr Embedded Software Engineer 2 Volt

Sr. Applications Developer - Idea to Market (PLM) Ventura Foods

Senior Planner 4LEAF, Inc

Sr. IT Systems Administrator, IT Applications Space Exploration Technologies Corp

Sr. IT Systems Administrator, IT Applications Space Exploration Technologies

Sr. IT Systems Administrator, IT Applications SpaceX

Senior IT Technician West Coast University Inc

Sr. Operations Executive & Sr. IT Manager#12990 Actus Consulting Group

Sr. IT Security Administrator County of Orange

Sr IT Internal Auditor City of Hope

Senior IT Manager - CMMC / NIST 800-171 Johnson Service Group

Senior IT System Administrator Vast Space

Sr. IT Systems Engineer, DevOps Space Exploration Technologies Corp

Sr. IT Systems Engineer, DevOps SpaceX

Sr. IT Systems Engineer, Devops Space Exploration Technologies

Senior IT Systems Engineer I Rocket Lab USA

Officer, Senior IT Auditor Banc of California

Senior IT Manager Infrastructure and Cloud Engineering Trader Joe's Co

Senior IT System Administrator Vast

Senior IT Client Service Specialist NTT DATA Group Corp

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