Manager, Cybersecurity, Engineering, OT Technical Consultant, TC, UKI

Manager, Cybersecurity, Engineering, OT Technical Consultant, TC, UKI

Location: London

Other locations: Anywhere in Country

Date: 8 Apr 2026

Requisition ID:

At EY, we're all in to shape your future with confidence.

We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

About EY: At EY, we are committed to building a better working world. Our Cybersecurity Consulting Practice is rapidly expanding, and we are investing in our capabilities to meet the increasing demand for cybersecurity solutions. Join us and be part of a global team of over 13,000 professionals dedicated to delivering cutting edge security transformation programs and services.

The Opportunity:

As a Manager in Cybersecurity, you will leverage diverse ideas and perspectives to deliver technical excellence at global scale and provide relevant insights to our clients. You will play a pivotal role in managing cybersecurity engagements, building client relationships and leading teams to develop innovative solutions that address complex security challenges.

Location - London, Manchester or Scotland Key Responsibilities

Deliver complex cybersecurity engineering engagements across multiple sites and regions encompassing IT and OT, ensuring technical excellence with alignment to EY's standards and client expectations.

Align security roadmaps to operational priorities, risk appetite and regulatory obligations.

Deliver engineering delivery and plan and manage scope, schedule, resources and risks.

Implement security measures from blueprints including firewall configurations, network segmentation (zones and conduits), VLANs and ACLs and secure site to cloud connectivity.

Produce engineering artefacts including build standards, configuration baselines and build documentation.

Foster a positive team environment by mentoring and coaching junior staff, conducting performance reviews and contributing to their professional development.

Support business development activities, including proposal writing and impactful presentations to potential clients.

Contribute to recruiting, retaining and training cybersecurity professionals, ensuring a high performing team.

Skills and Attributes for Success

Ability to work and thrive in a fast paced, result driven environment with the ability to establish credibility and demonstrate expertise quickly.

Communication skills, both oral and written, tailored to diverse audiences.

Strong team player who values collaboration and encourages open communication among team members.

Experience in coaching and developing colleagues.

To Qualify for the Role, You Must Have:

Experience in cybersecurity with onsite experience (OT experience desirable but not mandatory).

Strong network engineering skills (routing, switching, VLANs, ACLs, NAT), firewall rule base, design/optimisation and network segmentation.

Experience implementing secure remote and local access and privileged access e.g. PAM, jump hosts, PAW.

Working knowledge of NCSC CAF, EU NIS2, NIST CSF and CCNA/CCNP level networking competence.

Willingness to travel for client delivery (domestic and international as required).

Ideally, You'll Also Have

Experience with major security vendors (e.g. Cisco, Fortinet, Palo Alto) and familiarity with MITRE ATT&CK.

OT exposure such as SCADA/PLC/HMI basics, OT protocols (e.g. Modbus, DNP3, OPC UA) and IEC 62443.

Experience coordinating with operations on infrastructure changes such as IP readdressing and recabling.

Advanced certifications (e.g., CISSP, GICSP, CCNA/CCNP or equivalent).

Ability to obtain and maintain UK Government security clearances.

Please note: The successful candidate must undergo and pass checks in line with SC (Security Check) clearance standards after joining EY. These checks may include, but are not limited to, verification of identity, right to work in the UK, employment history, proof of address may be required and unspent criminal convictions. Candidates must be a UK national or have been a resident in the UK for a minimum of five years and ensure that they have not spent more than six months outside the UK.