Senior Cybersecurity Engineer, Defense Operations

Motional · Singapore

Posted 8/5/2026 · last confirmed live 8/26/2026

Motional is seeking a highly skilled Senior Cybersecurity Engineer to join our Defense Operations team. This operations-focused role puts you on the front lines of our security program, acting as a senior resource for security monitoring, system ownership, and the continuous improvement of Motional’s Defense Operations on-premise, SaaS and cloud platform services. In this role you will collaborate closely with your internal cybersecurity team members, external cybersecurity partners, and Motional teams and stakeholders across the organization. What You’ll Be Doing: Act as a frontline incident responder, from detection and containment to eradication, remediation, and recovery. Facilitate post-incident reviews to drive continuous improvement in securing our people, information, and systems. Collaborate closely with our 3rd-party managed detection and response provider as the primary APAC region interface for incident triage, escalation, and threat hunting activities. Administer, monitor, and continuously optimize our core Defense Operations toolset including logging and monitoring (SIEM), endpoint detection and response (EDR), cloud security, email security, and vulnerability management services. Enhance cloud security operations across processes and tooling in collaboration with internal cybersecurity and engineering teams. Drive other Motional teams (DevOps, IT, HR, Engineering) to proactively identify, assess, and mitigate cybersecurity risks. Provide technical strategy and expertise to Motional’s end to end vulnerability management program, helping stakeholders address significant vulnerabilities in a timely manner. Design, document, and operationalize security procedures, playbooks, and runbooks for key Defense Operations functions, specifically those involving Managed Detection and Response (MDR) or other third-party security service providers What We’re Looking for: BS or MS in Computer Science, Cybersecurity, Information Systems, Information Technology or equivalent knowledge and work experience. 5+ years of full-time, hands-on experience in a cybersecurity operations, SOC, incident response, or cybersecurity engineering role. Strong hands-on experience with AWS and cloud-native security, including implementing security best practices across AWS infrastructure and services. Proven ability to analyze security alerts and logs from a wide range of cybersecurity and IT tools (SIEM, EDR, SEG, CNAPP, IAM, OS logs, application logs, etc.). Expertise in investigating and responding to cybersecurity incidents within frameworks such as NIST, ISO, or others.  Background in deploying, administering, and using SIEM and/or EDR tools (e.g. Splunk, Microsoft, Crowdstrike). Vulnerability management skills including vulnerability scanning and CVE impact analysis. Ability to support security automation through basic scripting (e.g. Python, bash, Powershell) Excellent analytical, problem-solving, and troubleshooting skills. Strong written and verbal communication skills, including the ability to document technical information and present to diverse audiences. Ability to work independently and as part of a team in a fast-paced environment. Demonstrated experience in leveraging and collaborating with 3rd-party managed detection and response security partners. Curious and security focused mindset Bonus Points: Familiarity with identity and access management tools and concepts are helpful for the role, even when not directly managing those tools (e.g. Okta, SSO, SAML). Terraform experience is beneficial Motional is a driverless technology company making autonomous vehicles a safe, reliable, and accessible reality. We’re driven by something more. Our journey is always people first. We aren't just developing driverless cars; we're creating safer roadways, more equitable transportation options, and making our communities better places to live, work, and connect. Our team is made up of engineers, researchers, innovators, dreamers and doers, who are creating a technology with the potential to transform the way we move. Higher purpose, greater impact. We’re creating first-of-its-kind technology that will transform transportation. To do so successfully, we must design for everyone in our cities and on our roads. We believe in building a great place to work through a progressive, global culture that is diverse, inclusive, and ensures people feel valued at every level of the organization. Diversity helps us to see the world differently; it’s not only good for our business, it’s the right thing to do.   Scale up, not starting up. Our team is behind some of the industry's largest leaps forward, including the first fully-autonomous cross-country drive in the U.S, the launch of the world's first robotaxi pilot, and operation of the world's longest-standing public robotaxi fleet. We’re driven to scale; we’re moving towards commercialization of our technology, and we need team members who are ready to embrace change and challenges. Formed as a joint venture between Hyundai Motor Group and Aptiv, Motional is fundamentally changing how people move through their lives. Headquartered in Boston, Motional has operations in the U.S and Asia. For more information, visit  www.Motional.com and follow us on Twitter , LinkedIn ,  Instagram and YouTube . Motional AD Inc. is an EOE. We celebrate diversity and are committed to creating an inclusive environment for all employees. To comply with Federal Law, we participate in E-Verify. All newly-hired employees are queried through this electronic system established by the DHS and the SSA to verify their identity and employment eligibility.

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