Senior Information Security Engineer

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Note for Recruitment Agencies:

We prefer to hire directly and we will be in touch with our PSL Agencies if this role is eligible for release.

We do not accept speculative CVs from agencies. If speculative CVs are sent, no fee will be applicable - please direct all queries to the relevant Resourcing Partner.

We are seeking a highly skilled and experienced Senior Information Security Engineer to join our cyber security team. The role will provide hands‑on leadership and technical expertise in the management of information security operations, ensuring the organisation's security posture is maintained and aligned with strategic objectives.

This role bridges the gap between junior security staff and the Head of Information Security, driving the operational execution of the security programme while mentoring others and managing third‑party providers. This role is pivotal in safeguarding our organisation's digital assets, infrastructure, and sensitive data against evolving cyber threats. You will assist technical security initiatives, support compliance efforts, and collaborate across departments to embed security into our operations and development lifecycle.

The role reports to the Head of Information Security and Compliance.

• Oversee daily security operations with SOC/SIEM provider, monitoring networks, systems, and applications for threats.
• Detect, analyze, and respond to potential compromises swiftly.
• Conduct risk assessments, vulnerability scans, and advise on mitigation for emerging threats.
• Lead or support incident investigations, coordinate containment and remediation, and produce post‑incident reports.
• Develop and implement security policies, standards, and ensure compliance with organisational and regulatory requirements.
• Deliver security awareness campaigns, training programs, and phishing simulations.
• Administer and optimise security tools (Microsoft Azure, Entra , M365, Defender, AV/EDR), manage configurations, and monitor identity/access management.
• Support compliance with Cyber Essentials, ISO 27001, UK GDPR, and NIST; assist audits and respond to security questionnaires.
• Stay updated on threats, recommend security enhancements, and maintain professional development.
• Handle BAU tasks such as quarantined emails, escalated tickets, mentoring, and project support.

• Strong understanding of Microsoft 365, Azure, and cloud security controls (AWS/GCP exposure advantageous).
• Experience planning/coordinating penetration tests and managing remediation.
• Knowledge of UK data protection regulations (UK GDPR, DPA 2018).
• Familiarity with secure coding practices and Dev Sec Ops  principles.
• Excellent documentation, communication, and stakeholder engagement skills.
• Experience with Oracle Fusion/cloud platforms is an advantage.
• Strong grasp of enterprise IT architectures and security integration.
• Adaptable, proactive, and able to manage changing priorities in a fast‑paced environment.
• Collaborative team player with high ethical standards and a continuous learning mindset.

• Industry certifications such as CISSP, CISM, CEH, GIAC.
• Minimum 5 years' experience in information security or related technical roles.
• Proven track record managing or collaborating with outsourced SOC and SIEM providers.
• Hands‑on experience with incident response, vulnerability management, and risk assessment.
• Skilled in maintaining and supporting an ISMS aligned to ISO 27001 and Cyber Essentials.
• Experience in construction or regulated industries (finance, healthcare, government) beneficial.
• ISO/IEC 27001 auditing experience (highly desirable).
• CompTIA Security+ or CySA+ certifications.
• Ability to obtain BPSS and SC Clearance as a condition of employment.

With an impressive order book of over £4.1 billion we are one of the industry's leading principal contractors, affording you the opportunity to work on some of the UK's most exciting projects offering you stability as well as the chance to…