Senior Security Engineer

Company: NTT Ltd.
Apply for the Senior Security Engineer
Location: Hemel Hempstead
Job Description:

Responsibilities

  • Serve as a senior member of a 24/7 global GDC Cybersecurity team.
  • Lead the administration and optimization of enterprise security platforms.
  • Direct complex security incident response efforts across multiple vectors.
  • Design and execute advanced vulnerability assessments.
  • Oversee continuous monitoring of threat intelligence feeds and security alerts.
  • Interpret and synthesize threat reports for architectural improvements.
  • Partner with cross‑functional teams to develop mitigation strategies.
  • Champion automation initiatives to streamline incident response and reporting workflows.
  • Maintain and evolve the knowledge base by authoring and reviewing technical articles.
  • Lead post‑incident reviews and implement preventive measures.
  • Provide expert‑level guidance on specialized security domains and technologies.
  • Ensure meticulous incident logging and foster collaboration for expedited resolution.
  • Conduct advanced data correlation and threat hunting across diverse sources.
  • Lead strategic security projects and mentor junior engineers.

Qualifications

  • Multiple years of experience in IT and/or Security Operation centres.
  • Advanced expertise in architecting, implementing, and optimizing SIEM and security platforms across hybrid environments.
  • Demonstrated leadership in I/C and SCADA security integration and monitoring within critical infrastructure.
  • Deep knowledge of security architecture with hands‑on experience designing and integrating multi‑layered security solutions across diverse technology stacks.
  • Strategic customer engagement mindset with a proactive approach to anticipating security needs.
  • Exceptional attention to detail in high‑stakes environments.
  • Advanced analytical acumen with the ability to synthesize threat intelligence and drive actionable insights.
  • Polished spoken and written communication skills in English.
  • Proven leadership in global security teams.
  • Bachelor’s degree or equivalent in Information Technology or related field.
  • Relevant security certifications such as CySA+, PenTest+, CCSP, GCIH, OSCP, CISM, CISSP preferred.
  • Relevant IT certifications such as CCNA, CCNP, RHCSA, GRID, GICSP, AZ-500, SC-200 will be an added advantage.
  • Advanced experience in Security technologies like SIEM, PAM, IAM, PenTest, Threat Hunting, Firewall, Proxy within a global IT services organization.

Technologies

  • AI Firewall IAM Security Network Web

#J-18808-Ljbffr…

Posted: July 13th, 2026