• Revelyst (Irvine, CA)
    …help build and mature our SOC (Security Operations Center) capabilities, contribute to threat intelligence and incident response , and play a critical role in ... threat hunting activities to identify hidden risks or advanced persistent threats. . Leverage external threat ...forensics, and malware analysis. . Familiarity with MITRE ATT&CK, cyber kill chain, and common threat actor… more
    DirectEmployers Association (10/22/25)
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  • Advanced Cyber Threat

    Deloitte (Costa Mesa, CA)
    Manager - Cyber Incident Response Deloitte's Cyber Services help our clients to be secure, vigilant, and resilient in the face of an ever-increasing array of ... Defense and Resilience team, who will have extensive experience in Cyber Incident Response . This role involves supporting our client teams in defining,… more
    Deloitte (10/04/25)
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  • Senior Principal Security Engineer IS,…

    Providence (Irvine, CA)
    …empower them.** **Providence Health is seeking a Senior Principal Security Engineer with a threat hunting and cyber threat intelligence background. You will ... play a crucial role on the Cyber Threat Intelligence team and in our...manager based on departmental needs. **Essential Functions:** + Lead advanced threat hunting initiatives, developing frameworks and… more
    Providence (11/27/25)
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  • Senior Cyber Forensic Investigator (CA…

    Experian (Costa Mesa, CA)
    …or equivalent + Expertise in cyber threats, attack vectors, and advanced mitigation strategies and guiding strategic response efforts. + Proficiency with ... events. You will bring expertise in digital forensics, incident response , and threat intelligence to protect Experian's...standards. You will report to the Senior Director of Cyber Forensics and Cyber Threat more
    Experian (09/18/25)
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  • Cyber Palo Alto Networks Security…

    Deloitte (Costa Mesa, CA)
    …Helps manage and protect dynamic attack surfaces and provides rapid crisis and cyber incident response , ensuring clients can be ready for, respond to, ... Cyber Palo Alto Networks Security Operations Manager Our...for incident containment and remediation. + Advise clients on advanced use cases, threat detection, and automation… more
    Deloitte (10/05/25)
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  • Cyber Palo Alto Networks Security…

    Deloitte (Costa Mesa, CA)
    …Helps manage and protect dynamic attack surfaces and provides rapid crisis and cyber incident response , ensuring clients can be ready for, respond to, ... Cyber Palo Alto Networks Security Operations Senior Consultant...for incident containment and remediation. + Advise clients on advanced use cases, threat detection, and automation… more
    Deloitte (10/04/25)
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  • Cyber Defense & Manager - Microsoft…

    Deloitte (Costa Mesa, CA)
    …Sentinel. + Devise and document new procedures and runbooks/playbooks as directed. + Create cyber and threat hunting queries to enable the Intelligence team to ... Our Deloitte Cyber team understands the unique challenges and opportunities...response (EDR), Anti-Virus, Sandboxing, network and host-based firewalls, Threat Intelligence, Vulnerability Assessment, etc.) + 6+ years of… more
    Deloitte (10/09/25)
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  • Cyber Defense & Resilience Senior…

    Deloitte (Costa Mesa, CA)
    …/ Advanced Data Engineering and cybersecurity specific use cases for Detection, cyber threat response acceleration. + Experience parsing and normalizing ... security and data technologists working at the intersection cybersecurity, advanced cyber data engineering and the use...Azure, etc.) + 1+ years of experience with SOC threat hunting and incident response + Demonstrated… more
    Deloitte (10/02/25)
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  • Senior Offensive Security Consultant, Mandiant

    Google (Ontario, CA)
    …Cloud, Mandiant is a recognized leader in dynamic cyber defense, threat intelligence and incident response services. Mandiant's cybersecurity expertise has ... qualifications:** + Bachelor's degree in Computer Science, Information Systems, Cyber -security, related technical field, or equivalent practical experience. + 5… more
    Google (11/20/25)
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  • Senior Application Security Consultant, Mandiant

    Google (Ontario, CA)
    …Cloud, Mandiant is a recognized leader in dynamic cyber defense, threat intelligence and incident response services. Mandiant's cybersecurity expertise has ... effectively prepare for, proactively mitigate, and detect and respond to cyber security threats. Security Consultants have an understanding of computer science,… more
    Google (11/25/25)
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  • Principal Cybersecurity Specialist - Email…

    Medtronic (Irvine, CA)
    …Compliance, Oauth, Enterprise apps. + Previous Medtronic experience + Experience with phishing threat and campaigns + Experience with Cyber Security Tools and ... and DMARC. + Collaborate with other IT/Security teams to ensure comprehensive threat protection is enable and rules/policies are properly configured within O365… more
    Medtronic (10/14/25)
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  • Cybersecurity Architect

    SAIC (Santa Ana, CA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software; advanced analytics and simulation; and training. We ... for OCSD's cybersecurity initiatives to safeguard systems, assets, and data against cyber threats. **Period of Performance:** Contract valid until June 2027. **100%… more
    SAIC (11/18/25)
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  • vSOC Analyst

    ManpowerGroup (Irvine, CA)
    …vehicle security needs. + Focuses on vehicle security monitoring and incident response strategy for MNAO's connected vehicles. + Supports connected car threat ... and analysis. + Builds dashboards and defines escalation paths for vehicle-related cyber threats. + Defines and prioritizes critical vehicle security data sources… more
    ManpowerGroup (09/16/25)
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