Systems / Network Administrator jobs in Costa Mesa, California

17 open Systems / Network Administrator jobs in Costa Mesa, California (5 posted in the last 7 days), collected from employers’ own career pages and checked twice a day. Every listing links to the company’s site to apply.

Latest openings

• Network Engineer, Factory Systems and Operational Technology

  Anduril Industries · Costa Mesa
  Posted 2026-10-19
• Classified Systems Engineer

  Anduril Industries · Costa Mesa · Hybrid
  Posted 2026-10-15
• Staff Systems Engineer, Software Defined Weapons Optic

  Anduril Industries · Costa Mesa
  Posted 2026-10-14
• Field Network Technician, Maneuver Dominance

  Anduril Industries · Costa Mesa
  Posted 2026-02-17
• Messaging Engineer

  AAA Auto Club Enterprises · Costa Mesa · Hybrid
  Posted 2026-10-14
• CAD Administrator

  Anduril Industries · Costa Mesa
  Posted 2026-10-04
• Windows Server Security Support Consultant (.NET Deployment Administrator)

  Emvia Inc · Costa Mesa
  Posted 2017-03-29
• Infrastructure Administrator

  Amen Clinics, Inc. · Costa Mesa
  Posted 2026-09-15
• Encompass Support Specialist

  JMAC Lending · Costa Mesa · Remote
  Posted 2026-08-20
• EUC Engineer – Digital Employee Experience (DEX) Tools

  AAA Auto Club Enterprises · Costa Mesa
  Posted 2026-09-23
• Technical Operations Engineer, Connected Warfare

  Anduril Industries · Costa Mesa
  Posted 2026-01-27
• Systems Engineer, C2 Networking, Edge Compute and Communications, Active Clearance

  Anduril Industries · Costa Mesa
  Posted 2026-09-11
• Systems Engineer

  Anduril Industries · Costa Mesa
  Posted 2026-06-02
• Senior Systems Engineer, Missiles

  Anduril Industries · Costa Mesa
  Posted 2026-07-28
• Senior Systems Engineer, C2 Networking, Edge Compute and Communications, Active Clearance

  Anduril Industries · Costa Mesa
  Posted 2026-09-11
• Senior Network Engineer

  Anduril Industries · Costa Mesa · Hybrid
  Posted 2026-09-22
• Product Support Engineer - Maritime

  Anduril Industries · Costa Mesa
  Posted 2026-03-11
• Information Systems Security Manager, Space

  Anduril Industries · Costa Mesa
  Posted 2026-09-14

Systems / Network Administrator jobs in other cities

• Annapolis Junction, Maryland 266
• Chantilly, Virginia 168
• New York, New York 158
• Huntsville, Alabama 109
• Fort Meade, Maryland 109
• Arlington, Virginia 105
• Austin, Texas 93
• Houston, Texas 92
• San Diego, California 90
• Atlanta, Georgia 88
• Dallas, Texas 87
• Colorado Springs, Colorado 87
• Seattle, Washington 85
• Chicago, Illinois 81
• Herndon, Virginia 69
• Raleigh, North Carolina 67
• Denver, Colorado 67
• San Francisco, California 66
• Mclean, Virginia 62
• Charlotte, North Carolina 58
• San Antonio, Texas 55
• Reston, Virginia 54
• Orlando, Florida 53
• Los Angeles, California 52
• Boston, Massachusetts 51

Other roles in Costa Mesa, California

• Electrical / Electronics Engineer 124
• Engineer (other) 110
• Supply Chain / Procurement 103
• Software Engineer 95
• Mechanical Engineer 92
• Retail Sales Associate 82
• Program / Project Manager 78
• Manufacturing / Industrial Engineer 71
• Engineering Manager 39
• Store / Shift Manager 38
• Operations Manager 37
• Executive / Director 32
• Technician (general) 31
• Embedded / Firmware Engineer 31
• Retail Associate (other) 23
• QA / Test Engineer 22
• Quality Engineer 18
• Financial Analyst / FP&A 16
• Civil / Structural Engineer 16
• Recruiter / Talent Acquisition 15
• Operations (other) 15
• Warehouse Associate / Material Handler 13
• Finance Manager / Controller 13
• Security Engineer 12

Questions

How many Systems / Network Administrator jobs are open in Costa Mesa, California right now?

17 listings are open on OpeningsFirst today, all from employers’ own career pages. 5 more were posted in the last 5 days and went to subscribers first.

Which companies are hiring for Systems / Network Administrator roles in Costa Mesa, California?

Recent openings here come from Anduril Industries, AAA Auto Club Enterprises, Emvia Inc, Amen Clinics, Inc., JMAC Lending.

How do I hear about new Systems / Network Administrator jobs in Costa Mesa, California first?

Subscribers get new matching jobs by email at 8 am and 6 pm, 5 days before they open on these pages. It costs ₹299 a month.

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