Senior Security Engineer – Security Operations Centre; SOC)

Senior Security Engineer
- Security Operations Centre (SOC)

Location: UK / Hybrid (regular overlap with India-based SOC team required)

Reporting To: Head of SOC

Department: Cyber Security
- Security Operations Centre (SOC)

Employment Type: Full Time, Permanent

Direct Reports: SOC Analysts and SOC Engineers (India-based team)

Resillion is a global provider of digital assurance, cybersecurity, and testing services. We help organisations strengthen their security posture, protect critical assets, and deliver high-quality digital solutions. Our teams operate across multiple specialist disciplines, including Digital Forensics, Incident Response, SOC Operations, Quality & Compliance, and Technical Consultancy. We are committed to excellence, continuous improvement, and delivering trusted, customer-focused services that meet the highest professional and accreditation standards.

We are seeking an experienced Senior Security Engineer to join our Security Operations Centre (SOC). This is a senior technical leadership role combining hands‑on security engineering, people management, customer engagement, and project delivery.

You will act as a trusted advisor to customers, helping them strengthen their security posture while leading and developing a distributed SOC team across multiple regions. Working closely with security analysts, architects, project teams, account managers and customers, you will ensure security solutions are effectively designed, implemented, operated and continually improved.

This role includes line management responsibility for SOC team members based in India, with the opportunity to support additional international team growth in the future.

• Provide senior technical expertise across security monitoring, threat detection, incident response, and SOC operations.
• Design, implement, configure, and maintain security technologies that support SOC services.
• Investigate and resolve complex security incidents, technical issues, and service‑related challenges.
• Provide escalation support and technical guidance to SOC Analysts and Engineers.
• Support incident response activities, threat investigations, and forensic analysis where required.
• Develop and maintain detection rules, use cases, alerting mechanisms, and security automation capabilities.
• Review existing security controls and recommend improvements to strengthen customer security environments.

• Lead technical work streams and security projects, ensuring delivery against agreed scope, timelines, quality standards, and budgets.
• Produce and maintain technical documentation, implementation plans, designs, and risk registers.
• Ensure security solutions are documented, monitored, and maintained throughout their lifecycle.
• Manage technical changes in line with agreed change management processes.
• Ensure SOC service delivery meets agreed KPIs, SLAs, and operational commitments.
• Provide line management, coaching, mentoring, and career development support to SOC team members.
• Conduct regular one‑to‑one meetings, objective setting, and performance reviews.
• Foster a collaborative, inclusive, and high‑performing team culture across multiple locations and time zones.
• Review and quality assure technical output, providing constructive feedback and driving continuous improvement.
• Act as a senior technical point of contact for customers.
• Build trusted customer relationships through service reviews, workshops, technical meetings, and security briefings.
• Present technical findings and security recommendations to both technical and non‑technical audiences.
• Collaborate closely with internal teams including Security Operations, Architecture,…