Cyber security Jobs in Garden Grove, CA

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create digital marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realise their financial goals and help them to save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agrifinance, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data and to innovate. A FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 23,300 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com.

As a member of Experian's Global Security Office (EGSO) / Cyber Fusion Center (CFC), you will respond, contain, escalate, investigate, and coordinate mitigation of security events relative to anomalies detected and escalated by the Cyber Fusion Center according to Experian's Incident Response Plan. As an individual contributor, you will join a growing team of specialized, advanced responders to support escalations of complex and prioritized matters from Experian's existing 24x7 security monitoring and response functions. You will work with end-users, technical support teams, and management to ensure remediation and recovery from these threats.

You will report to the Senior Manager, Global Incident Response. You will have a regular Monday - Friday schedule, with the expectation to participate in an on-call schedule or work outside of normal work hours to respond to cybersecurity incidents.

You'll have the opportunity to :

Conduct advanced incident response activities to investigate and contain complex or larger-scale cybersecurity matters.

Orchestrate workstreams across teams (Forensics and Cyber Threat Hunting) and explain the CFC's overall understanding of the timeline of attacker activity.

Respond to cybersecurity events and alerts associated with threats, intrusions, or compromises per any applicable SLOs.

Manage multiple cases related to security incidents throughout the incident response lifecycle, including Analysis, Containment, Eradication, Recovery, and Lessons Learned.

Coordinate successful conclusion of security incidents according to Process & Procedures, and escalate severe incidents according to Experian's Incident Response Plan.

Maintain case documentation, including notes, analysis findings, containment steps, and cause for each assigned security incident.

Maintain assigned caseload and move incidents through each phase of the IR Lifecycle, handing off cases as needed for progress.

Maintain an understanding of common Operating Systems (Windows, Linux, Mac OS), Security Technologies (Anti-Virus, Intrusion Prevention), Cloud Security investigations and response tools, and Networking (Firewalls, Proxies).

Interpret device and application logs from a variety of sources (Firewalls, Proxies, Web Servers, System Logs, Splunk, Packet Captures) to identify the root cause and determine the next steps for containment, eradication, and recovery.

Support overall direction for the CFC and input to the security strategy.

Mentor and provide advanced support to analysts (Logs review, IP Block question).

8+ years of experience working within cybersecurity or information technology roles, at least 4+ of which includes working as an investigator, analyst, or leader in a Cyber Incident Response Team.

Bachelor's Degree in Computer Science, Computer Engineering, Information Systems, Information Security, or a related field. 11+ years of experience working within a Security Operations Center, Incident Response Team, law enforcement, or military experience may be accepted in lieu of this requirement.

Knowledge of network protocols (TCP / IP, UDP, ICMP), standard protocols (HTTP / S, DNS, SSH, SMTP, SMB), wireless networking, networking infrastructure, and network topologies (DMZ, VPN, WAN) and network technologies (WAF, IPS, Routers, or Firewalls).

Experience with commercial and open-source SIEMs, full packet capture tools, and network analysis tools (Splunk, Wireshark, SOF-ELK).

Exhibit skills using common Incident Response and Security Monitoring applications such as SIEM (Splunk), EDR (MDE), Tanium, WAF, IPS.

Preference for candidates to have at least one certification involving incident response, ethical hacking, cyber security (GCIH, E CEH, E CIH), or network forensics (GIAC Network Forensic Analyst (GNFA), NICCS Certified Network Forensics Examiner (CNFE)).

Hold one Security Management certification (ISC2 CISSP, CISM) or obtain such certification within the first two years as a Cyber Incident Response Lead.

Preference for candidates based in Mountain or Pacific Time Zone. Candidates in other U.S. time zones will also be considered.

Benefits / Perks :

Great compensation package and bonus plan.

Core benefits including medical, dental, vision, and matching 401K.

Flexible work environment, ability to work remote, hybrid or in-office.

Flexible time off including volunteer time off, vacation, sick and 12-paid holidays.

Explore all our exciting benefits here : https : / / yourexperianbenefits.com / cand-index.html.

At Experian, our people and culture set us apart. We're deeply committed to creating an environment where everyone feels they belong and can excel. From inclusion and authenticity to work / life balance, development, wellness, collaboration, and recognition, we focus on what truly matters. Our people-first approach has earned us global recognition : World's Best Workplaces 2024 (Fortune Top 25), Great Place To Work 2025 in 26 countries, and Glassdoor Best Places to Work 2024, among others.

Want to see what life at Experian is really like? Explore Experian Life on social or visit our Careers Site.

Our compensation reflects the cost of labor across several U.S. geographic markets. The base pay range for this position is listed above. Within this range, individual pay is determined by work location and additional factors such as job-related skills, experience, and education. You will be also eligible for a variable pay opportunity.

Experian is proud to be an Equal Opportunity Employer for all groups protected under applicable federal, state and local law, including protected veterans and individuals with disabilities. Innovation is an important part of Experian's DNA and practices, and our inclusive workforce allows everyone to succeed and bring their whole self to work. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

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This is a remote position.