INV) Senior Consultant, Cybersecurity, OT Technical Consultant TC, UKI

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.

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.

As a Senior Consultant in Cybersecurity, you will contribute to the delivery of high-quality security architecture and engineering outcomes for our clients. You will work as part of delivery teams, supporting the design and documentation of secure solutions and providing technical input across a range of cybersecurity engagements.

• Support delivery of complex cybersecurity engineering engagements across multiple sites and regions encompassing IT and OT with alignment to EY’s standards and client expectations.
• Implement security measures from blueprints, including firewall configurations, network segmentation (zones and conduits), VLANs, ACLs, and secure site to cloud connectivity.
• Produce engineering artefacts such as build standards, configuration baselines, and as-built documentation.
• Assist with secure remote and local access implementations (e.g., PAM, jump hosts, PAW)
• Support client workshops, design reviews and technical discussions.
• Contribute to internal knowledge sharing, reusable assets and capability development within the Cyber Engineering team.

• Ability to work and thrive in a fast-paced, result driven environments.
• Communication skills, both oral and written, tailored to diverse audiences.
• A proactive learner with a strong interest in developing deeper security architecture expertise.
• Strong team player who values collaboration and encourages open communication among team members.

• Demonstrable experience in cybersecurity with on-site experience (OT experience desirable but not mandatory).
• Network engineering skills (routing, switching, VLANs, ACLs, NAT), firewall rule-base, and network segmentation.
• Some experience implementing secure remote and local access and privileged access e.g. PAM, jump hosts, PAW.
• Working knowledge of any cybersecurity framework or standard such as NIST or ISO 27001.
• Willingness to travel for client delivery (domestic and international as required).

• Experience with any major security vendors (e.g. Cisco, Fortinet, Palo Alto).
• OT exposure such as SCADA/PLC/HMI basics, OT protocols
• Experience coordinating with operations on infrastructure changes such as IP re-addressing and re-cabling
• Certifications such as CCNA/CCNP or equivalent.

At EY, you’ll have the chance to build a meaningful and fulfilling career, supported by an inclusive culture and cutting-edge technology. Together, we can create a better working world for all.

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.

We’re interested in people with integrity who can…