Cybersecurity & OT Technical Consultant – Senior Consultant:
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 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.
Key Responsibilities
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.
Skills and Attributes for Success:
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.
To Qualify for the Role, You Must Have:
Demonstrable experience in cybersecurity with on‑site experience (OT experience desirable but not mandatory).
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).
Ideally, You’ll Also Have
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.
Join Us: 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.
What we look for
We’re interested in people with integrity who can collaborate with people from a diverse range of backgrounds and crucially a growth mindset.
What we offer
We offer a competitive remuneration package where you’ll be rewarded for your individual and team performance. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer:
Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next.
Success as defined by you: We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
Transformative leadership: We’ll give you the insights, coaching and confidence to be the leader the world needs.
Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.
If you can demonstrate that you meet the criteria above, please contact us as soon as possible.
Apply Now
EY | Building a better working world
EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.
Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.
EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.
IT
Consulting
Senior
Flexible hours
Pay
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