Security Architect

Ernst & Young; City Of London; Hybrid; GBP 100,000 - 140,000; Full time

Benefits offered by this job

Flexible working and Total Rewards

Career development opportunities

Diversity and inclusive culture

Job summary

EY in London, Manchester or Scotland seeks a Security Architect - Manager to lead security architecture delivery for enterprise IT/OT environments. You will craft cloud security architectures, include threat models, and mentor junior staff. The role supports client engagements, proposals, and business development.

Travel to client sites is required. The role demands TOGAF/NIST/NIS2 expertise, advanced Visio skills, and a track record in secure design for complex systems with strong client

Qualifications

• Proven experience delivering security architecture for IT/OT converged environments.
• Strong hands-on design and governance capabilities across cloud and on-premises.
• TOGAF or equivalent architecture methods with relevant certifications preferred.

Responsibilities

• Deliver security architecture work packages, including HLD/LLD artefacts and threat models.
• Develop cloud security architecture for site-to-cloud connectivity and landing zones.
• Mentor junior staff, support business development, and contribute to client proposals.

Skills

Security architecture delivery

IT/OT convergence

Advanced Visio

TOGAF or equivalent

NIST CSF

IEC 62443

NCSC CAF

EU NIS2

Cloud security

PAM & ZTNA

Identity integration

MITRE ATT&CK

UK government clearances

Travel for client delivery

Mentoring & leadership

Tools

Visio

Microsoft Sentinel

Microsoft Entra ID

Microsoft Defender for Cloud

SIEM/SOAR

Job description

obligations.Deliver security architecture work packages and produce HLD and LLD artefacts, data flows and threat models for enterprise and IT/OT converged environmentsCreate cloud security architecture for sitetocloud connectivity, establishing secure landing zones, segmented network connectivity, identity and secrets management.Analyse systems and networks and propose segmentation, secure access methodology and reference designs that engineering teams can implementEnhance governance and compliance by aligning solutions and controls to various frameworks and standards such as NIST 800, ISO 27001 and NIS2.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 environments 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 a strong track record in security architecture delivery, including IT/OT convergenceAdvanced Visio skills and fluency with TOGAF or equivalent architecture methods.Working knowledge of NIST CSF, IEC 62443, NCSC CAF, EU NIS2, cloud and network fundamentalsWillingness to travel for client delivery (domestic and international as required). Ideally, You'll Also Have Experience supporting security transformation programs and modernisation.Experience integrating SOC/MDR, SIEM/SOAR and familiarity with MITRE ATT&CK.Experience designing remote and local access models including PAM and ZTNA with identity integration.Familiarity with Microsoft cloud security stack including Microsoft Sentinel, Microsoft Entra ID, Microsoft Defender for Cloud and secure connectivity on AzureAdvanced certifications such as CISSP, TOGAF or SABSA, Cloud Security e.g. Microsoft SC-100/AZ-500, CCNA or equivalent.Ability to obtain and maintain UK Government security clearances.

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

Role Title: Security Architect - Manager

Location - London, Manchester or Scotland

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.

Key Responsibilities

Build and maintain strong client relationships and shape clear security outcomes, milestones and measures aligned to regulatory 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 forWe'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.