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Senior Security Engineer - Detect & Response - EU/UK

1 month, 2 weeks ago
United Kingdom
Full-time
Lead
Security Engineer
Cybersecurity
AWS Git SIEM
Apply Now
Marqeta

Marqeta

Marqeta is a pioneer in modern card issuing and payment solutions, offering businesses instant card issuance and payment processing through their innovative open API platform.

Diversified Financial Services
251-1K
Founded 2010
View All Jobs 27

Description

  • Proactively monitor Marqeta’s environment for cyber threats and manage daily security alerts through analysis, triage, and response actions.
  • Serve as incident commander during security events and coordinate investigation and cross-functional response efforts.
  • Execute incident response activities aligned with the NIST Incident Response Lifecycle to detect, contain, eradicate, recover, and learn from incidents.
  • Maintain and improve the Cybersecurity Incident Response Plan, playbooks, runbooks, and standard operating procedures.
  • Participate in 24x7x365 on-call rotations and support post-incident reviews.
  • Research threat intelligence sources and lead hypothesis-driven threat hunting in corporate and production environments.
  • Partner with Security Engineering to tune detections, improve security monitoring, and increase detection coverage.
  • Design, develop, and maintain detections-as-code and deploy detections through CI/CD pipelines into SIEM and EDR platforms.
  • Map detection coverage to MITRE ATT&CK and help prioritize detection development based on threat intelligence and business risk.
  • Coordinate with HR, law enforcement, response retainers, cyber insurers, Fraud, Compliance, and Risk teams during relevant security events.

Requirements

  • 5+ years of hands-on experience in security operations, with strong expertise in incident response, digital forensics, and threat hunting.
  • Experience serving as an incident commander or leading incident response workstreams under pressure.
  • Strong knowledge of the NIST Incident Response Lifecycle and incident response documentation and procedures.
  • Proficiency with EDR, SIEM, and SOAR security monitoring and forensic tools.
  • Experience developing detections-as-code, including version control, CI/CD pipelines, and detection testing frameworks.
  • Working knowledge of MITRE ATT&CK and its use in assessing detection coverage and mapping threat actor TTPs.
  • Experience contributing to post-incident reviews and implementing improvements based on lessons learned.
  • Solid understanding of threat actor TTPs and the use of threat intelligence to improve detection and response.
  • Experience tuning security solutions and building automation workflows to improve monitoring and response efficiency.
  • Working knowledge of AWS cloud services and securing cloud environments.
  • Experience in payment processing, fintech, or another highly regulated environment; PCI DSS incident handling experience is a plus.
  • Ability to communicate effectively with both technical and non-technical stakeholders during incidents and investigations.
  • Proven ability to work independently and judge when to escalate or involve others.
  • Willingness to mentor junior security professionals and support their growth in incident response techniques.

Benefits

  • Premium private medical and dental coverage.
  • Generous time off program with additional floating holiday days.
  • Retirement savings program with company contribution.
  • Equity in a publicly traded company plus an Employee Stock Purchase Program.
  • Monthly stipend to support the remote work model.
  • Annual development stipend for professional growth and development.
  • Family-forming benefits and up to 20 weeks of parental leave.
  • Wellbeing programs including Modern Health and HealthKick.

Interested in this position?

Apply directly on the company website

Apply Now

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