Senior Principal Cybersecurity Engineer, Incident Response

Senior Principal Cybersecurity Engineer, Incident Response

Arlington, TX, United States and 1 more (Hybrid)

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Hybrid work environment: 4 days onsite and 1 day remote

Why GM Financial Cybersecurity?

Innovation isn’t just a talking point at GM Financial, it’s how we operate. By joining our team, you’ll work in a mission-focused environment with specialized teams, including Engineering, Threat Intelligence, Vulnerability Management, Incident Response, Firewall, Governance, Risk, Architecture and Offensive Security. These teams collaborate to identify, manage and respond to threats, all while driving innovation across the environment.

Cybersecurity is central to our strategic vision, so you’ll benefit from exceptional leadership visibility, with direct reporting lines to the CEO. This structure ensures your work is recognized and supported at the highest levels, while also enabling bold innovation and the adoption of cutting‑edge technologies.

Shape the future of Cybersecurity at GM Financial, with the freedom to explore, the tools to build and the support to thrive.

About the Role:

GM Financial is seeking a Senior Principal Cybersecurity Engineer to join our Incident Response team! As a technical leader and subject matter expert for assigned business unit, the Senior Principal will be a key influencer in the achievement of strategic alignment and provide a positive impact on business value. The Senior Principal will work with leaders in the business unit to identify initiatives with high impact which drive the business strategy forward.

The person in this role is also expected to be an energetic, dynamic and innovative leader and influencer, acting as an avid promoter of process improvement to enhance productivity and performance of assigned business area. The Senior Principal is an established and recognized figure both internally and externally. This person will represent GM Financial in the broader community and serve as a de‑facto ambassador for the organization.

It will be important for the Senior Principal to maintain a strong network in the community and represent GM Financial well.

In this role, you will:

• Actively participate in incident investigations, covering detection, containment, eradication, recovery, and post‑incident reviews
• Develop and enhance incident response tools, scripts, and frameworks to improve efficiency, accuracy, and scalability of detection, response and investigations
• Conduct and enhance memory/network/host/cloud forensics, malware reverse‑engineering, and automated triage
• Create customized tactical and strategic remediation plans related to alerts and incidents identified inside the GMF landscape as well as identified in the wild
• Convey analytical findings through finished technical reports post incident
• Identify and codify attacker TTPs and IOCs, feeding them into detection pipelines and IR playbooks
• Gather and analyze cybersecurity data, technology tools and risk systems to identify security exposures
• Lead or participate in tabletop exercises, Purple Team sessions, and threat fencing simulation
• Perform analysis of various log sources, SIEM alerts, IDS/IPS alerts, host activity, and network traffic to identify suspicious or anomalous activity
• Stay proactively ahead of the threat landscape—monitor zero‑days, vulnerabilities, and advanced persistent threats

Reporting Structure:

• This role reports to: VP Cybersecurity Strategy and Operations

What makes you a dream candidate?

• Experience with leading cross‑functional and/or global initiatives from start to finish
• Advanced knowledge of business acumen and a deep understanding of business implications of decisions
• In‑depth understanding of company values, mission, vision and strategic direction
• Comprehensive knowledge of GM Financial’s business operations
• Recognized as an expert across the business unit
• Experience building detection rules and associated
• Experience with threat intelligence techniques and detection rules, and a variety of forensic analysis tools in incident response investigations to determine the extent and scope of compromise
• Strong experience conducting or managing…