824 Systems Administrator jobs in Irvine,CA

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Controls Systems Technician

Johnson Controls

Huntington Beach, CA 92615

$29.95-$41.20/hr

~ 18 min OnsiteHealth InsurancePaid Time Off

2-year degree in electronics, mechanical systems, computer technology, air conditioning or similar field or at least 3 years of industry experience or experience in servicing electronic and/or mechanical systems in the HVAC industry.
Generally required knowledge includes HVAC controls systems, facilities management systems, site preparation, peripheral equipment installation and servicing techniques.
PC experience required and the ability to program HVAC related software.

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Integration and Test Engineer (Support System), Omen

Anduril Industries

Costa Mesa, CA 92627

~ 13 min OnsiteHealth Insurance

Bachelor degree or higher in Mechanical or Aerospace Engineering or aviation related technical discipline
3+ years of experience in Aviation, Aerospace or product development/design environments including test and evaluation
Background in land and maritime operational environments, performing logistics and maintenance activities for fielded systems
Experience with high voltage systems/batteries and/or hybrid powertrains
Demonstrated competence in hazard assessment and risk mitigation (MIL-STD-882E and similar)
Strong bias for action and extremely high ownership in fast paced environment
Trade or Mechanic qualifications considered highly advantageous
Defense Industry or Military Service background highly desirable
A sincere commitment to a positive, inclusive, and collaborative culture
Eligible to obtain and maintain a security clearance in United States, United Kingdom, or Australia

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Tactical Fires Network Systems Analyst

BOOZ, ALLEN & HAMILTON

Camp Pendleton, CA 92055

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Experience integrating Marine Corps networks and fires command and control systems including AFATDS, JADOCS, JFN, and Maven Smart Systems (MSS)
Experience with Marine Corps operations
Experience with capability analysis, requirements definition and management, system test and integration, writing technical documentation, and creating design artifacts
Ability to analyze customer capabilities and support missions through detailed processes and requirements traceability
Travel up to 25% of the time
TS/SCI clearance
HS diploma or GED
Clearance: TS/SCI clearance is required

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Sr. Specialist Systems Engineering, Integration & Test Engineer (Production)

L3 Harris

Yorba Linda, CA 92886

~ 26 min OnsiteFlexible ScheduleBilingual PreferredEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Clearance: Must Have Active Secret Clearance to Be Considered
Active Secret security clearance.
Position requires a bachelor's degree in science, Technology, Engineering, or Mathematics (STEM) or related discipline with minimum 6 years or a graduate degree with a minimum of 4 years prior relevant experience. In lieu of a degree, minimum of 10 years of prior related experience
L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Security clearances may only be granted to U.S. citizens.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens.
In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

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New, Posted 5 hours ago

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Propulsion Systems Engineer I/II

Rocket Lab Corporation

Long Beach, CA 90805

Senior Nuclear Medicine Technologist - Imaging Admin

Providence

Mission Viejo, CA 92691

New, Posted 1 day ago

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2026 Early Career System Hardware Design Engineer

TP-Link Systems

Irvine, CA 92618

New, Posted 8 hours ago

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Configuration Management Manager

Onboard Systems

Anaheim, CA 92801

$130,000-$140,000/yr

~ 20 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Location: Anaheim, CA (Onsite)
Schedule: Monday - Friday
Bachelor's degree in engineering, Engineering Technology, or related technical field.
7–10+ years of experience in configuration management, engineering documentation, or product data management.
3–5+ years of leadership or supervisory experience.
Experience with PLM systems (e.g., Siemens Teamcenter, Dassault ENOVIA, or similar).
Strong understanding of engineering change management processes (ECR/ECO).
Experience managing CAD drawing control and BOM structures.
Must be able to read and interpret procedures required to meet the contractual requirements of the programs assigned.
Proficient with MS Office Suite (Word, Excel, PowerPoints, PDF editors)
Configuration and product data management
PLM and ERP system expertise
Engineering change control
Process improvement and documentation control
Strong analytical and organizational skills

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New, Posted 21 hours ago

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Call Center Representative, Part-time

West Coast University

Irvine, CA 92612

Onsite

High School Graduate or equivalent required
Minimum 2 years' experience preferred
A minimum of one to two years' experience as a Call Center, Customer Service Representative, receptionist, or office related position
Customer Service experience
Experience with handling a high volume of telephone calls with courtesy, speed, and accuracy
Telephone Auto Dialing System experience preferred

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