Security / Cybersecurity Jobs in California
90 open Security / Cybersecurity roles in California — direct from employer hiring systems.
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- IT Security Analyst
Altamed
- Senior IT Security Engineer
Altamed
- Sr. Application Security Engineer
Esri
- Network Security Engineer, Lead | Top Secret w/SCI eligibility
AMERICAN SYSTEMS
- Information Systems Security Engineer - ACTIVE SECURITY CLEARANCE REQUIRED
LLNL
- Cybersecurity Undergraduate Intern - Cyber and Critical Infrastructure Summer Institute - Summer 2027
LLNL
- Cybersecurity Graduate Intern - Cyber and Critical Infrastructure Summer Institute - Summer 2027
LLNL
- Senior Staff Penetration Testing Engineer (InfoSec)
Palo Alto Networks
- Industrial Security Analyst (PERSEC)
SpaceX
- Sr. Cybersecurity Engineer (Starshield)
SpaceX
- Information Security Analyst
Brandes Associates, Inc. - Careers - Open Positions at Brandes Associates Inc.
- Principal Cybersecurity Engineer (Starshield)
SpaceX
- Sr. Embedded Security Engineer (Starlink)
SpaceX
- Sr. Product Security Engineer (Starlink)
SpaceX
- IT Security Engineer - Top Secret Clearance
SpaceX
- Product Security Engineer (Starshield)
SpaceX
- Embedded Security Engineer (Starlink)
SpaceX
- Product Security Engineer (Starlink)
SpaceX
- Security Analyst (Blue Team)
SpaceX
- Security Analyst (Detection and Incident Response)
SpaceX
- Security Analyst (SOC)
SpaceX
- Security Analyst (Threat Detection)
SpaceX
- Security Engineer
SpaceX
- Security Engineer (Blue Team)
SpaceX
- Sr. Network Security Engineer (VPN)
SpaceX
- Cybersecurity Analyst
Redwood Credit Union
- Cybersecurity Engineer
Redwood Credit Union
- Systems Security Engineering Intern (Summer 2027)
Collins Aerospace
- Industrial Security Analyst II/III
Zone 5 Technologies
- Product Security Engineer (Senior)
BOEING EMPLOYEES
- System Security Engineer, Space
Anduril Industries
- Senior Cybersecurity Analyst - 26-040 - Hybrid - 2 positions available
AUSGAR TECHNOLOGIES
- Senior Offensive Security Engineer
Anduril Industries
- Senior Security Engineer, Identity
Anduril Industries
- Senior Network Security Engineer, Space
Anduril Industries
- Product Security Engineer, Programs
Anduril Industries
- Product Security Engineer, Programs
Anduril Industries
- Senior Systems Security Engineer, Programs
Anduril Industries
- Staff Systems Security Engineer, Programs
Anduril Industries
- Systems Security Engineer, Anti-Tamper
Anduril Industries
- Systems Security Engineer, Programs
Anduril Industries
- Senior Systems Security Engineer - P3 (Onsite-Goleta, CA)
Collins Aerospace
- Staff Content Security Engineer
Disney
- Senior Cybersecurity Analyst
Avav
- Software Security Engineer - II, Onsite
Collins Aerospace
- Security Engineer - Network Edge Security
Block
- Security Engineer, Business Continuity & Risk
Block
- Senior Security Engineer, Detection & Response
Block
- Principal Security Engineer
Block
- Senior Security Engineer, Platform Security
Block
- Senior Enterprise AI Security Engineer
Palo Alto Networks
- Manager - ASG Cybersecurity Presales Engineering
Shi
- Staff Security Engineer, Incident Response
Lucid Motors
- Assistant Manager Cybersecurity-Hybrid
Logix Federal Credit Union
- Network Security Engineer, Senior | Top Secret w/SCI eligibility
AMERICAN SYSTEMS
- Security Analyst
Solairus Aviation
- Lead Security Engineer - Information Systems Security Manager (ISSM)
stratolaunch
- Account Executive, Public Relations (Cybersecurity)
Highwire
- SOC Analyst II
AMERICAN SYSTEMS
- SOC Analyst I
AMERICAN SYSTEMS
- Sr Manager, Cybersecurity
Workday, Inc.
- Cybersecurity Undergraduate Intern - Cyber and Critical Infrastructure Summer Institute - Summer 2027
LLNL
- Cybersecurity Graduate Intern - Cyber and Critical Infrastructure Summer Institute - Summer 2027
LLNL
- Security Engineer
Fuse
- Security Engineer
FUSE GROUP HOLDING INC.
- Principal Security Engineer
Altruist
- Account Director, Public Relations (Cybersecurity)
Highwire
- Vice President of Cybersecurity & Chief Information Security Officer (CISO)
Avav
- Information Security Analyst III
SCHOOLS
- Senior Software Security Engineer, Onsite
Collins Aerospace
- Principal Systems Security Engineer - P4 (Onsite-Goleta, CA)
Collins Aerospace
- Cloud Security Engineer
Leidos
- Principal Infosec Engineer- Product Security Incident Response
Palo Alto Networks
- Staff InfoSec Engineer
Palo Alto Networks
- Data Security Engineer
Skechers
- Responsable cybersécurité et conformité (CCL) | Cybersecurity & Compliance Leader (CCL)
Collins Aerospace
- Senior Application Security Engineer (Red Team)
Altruist
- Engineer III - Security Analyst
Inland Empire Health Plan
- National Security Engineering Division (NSED) Undergraduate Intern - Summer 2027
LLNL
- National Security Engineering Division (NSED) Graduate Intern - Summer 2027
LLNL
- Staff Security Engineer - Detection and Response
Ridgeline Minerals Corp
- Cyber Security Engineer
LLNL
- Cybersecurity Manager
Amentum Holdings, Inc.
- DevOps, MLOps & Security Engineering Lead - San Jose, CA
KlearNow.ai
- AI/ML Cybersecurity Engineer (Anomaly Detection)
RTL NETWORKS
- Product Security Engineer
1X
- Cybersecurity Compliance Manager
TOYON RESEARCH
- Security Analyst
Agile Defense
- Senior Cybersecurity Researcher
LLNL
- Endpoint Security Engineer--------------Need GC and USC
USM
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