Principal Security Consultant - OT/IoT

TN United Kingdom; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

A leading consultancy in the UK is seeking a Principal Security Consultant specializing in OT/IoT Cyber Security. The successful candidate will have extensive experience in delivering consultancy services across various sectors, focusing on building client relationships and providing strategic security solutions. This role offers opportunities for professional growth and involvement in impactful projects within the public and private sectors.

Benefits

25 days of annual leave

Flexible working options

Private medical insurance

Discretionary company bonus

Life assurance

Employee assistance program

Volunteering days

Pension scheme

Qualifications

• Proven experience in OT/ICS environments.
• Ability to manage multiple projects and stakeholders.
• Understanding of OT cyber security standards.

Responsibilities

• Responsible for client delivery and business development.
• Collaborate with clients to identify Cyber Security use cases.
• Conduct Cyber Security risk assessments.

Skills

Cyber Security

Problem Solving

Communication

Education

GICSP, IEC/ISA 62443 or other cyber security qualifications

Job description

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Principal Security Consultant - OT/IoT, London

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Client:

Methods Business and Digital Technology

Location:

London, United Kingdom

Job Category:

Consulting

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EU work permit required:

Yes

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Job Reference:

916abac7cd30

Job Views:

4

Posted:

21.05.2025

Expiry Date:

05.07.2025

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Job Description:

Description

Methods is a £100M+ IT Services Consultancy partnering with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end business and technical solutions that are people-centred, safe, and designed for the future.

Our human touch sets us apart from other consultancies, system integrators and software houses - with people, technology, and data at the heart of who we are, we believe in creating value and sustainability through everything we do for our clients, staff, communities, and the planet.

We support our clients in the success of their projects while working collaboratively to share skill sets and solve problems. At Methods we have fun while working hard; we are not afraid of making mistakes and learning from them.

Predominantly focused on the public-sector, Methods is now building a significant private sector client portfolio, providing cyber security consultancy across both IT and OT environments.

Methods was acquired by the Alten Group in early 2022, enabling us to offer a variety of sector experience and clients.

The successful candidate will be a knowledgeable and enthusiastic individual with relevant experience of implementing Cyber Security across an Operational Technology (OT) environment such as energy, utilities, automotive, CNI and/or transportation. The candidate will be required to demonstrate experience of working across multiple engagements, providing consultancy focused on understanding our customers’ business and building trust. The candidate will have proven experience of winning work and supporting business growth, as well as providing Cyber Security expertise across people, process and technology, covering strategic and advisory through to secure solution design. To be successful in this role you need to have the ability to work on multiple projects and with many stakeholders concurrently

Requirements

• Responsible primarily for client delivery with contribution to business development and collaboration within the Cyber Security Business Unit.
• Collaborating with clients to understand their business processes and objectives, identifying high-value Cyber Security use cases, providing guidance and recommendations on solutions for Critical National Infrastructure clients.
• Building successful working relationships with team members, key clients and stakeholders that improves the value of the Cyber Security services being delivered.
• Providing leadership and the ability to manage and develop a team
• Developing and driving capability growth and contributing to strategy within the Cyber Security Business Unit
• Applying knowledge in a broad range of contexts covering people, process and technology relating to the cyber risk management of OT/ICS.
• Creating client policies and procedures to meet corporate and regulatory requirements and standards.
• Performing Cyber Security risk assessments and determining the most cost-effective deployment of security controls and solutions in line with the client’s business risk appetite to protect OT/ICS environments.
• Collaborating with cross-functional teams to ensure security and compliance are implemented throughout the development life cycle.
• Selecting appropriate technology to meet clients’ security requirements and help them deploy that technology in live OT/ICS environments.
• Reviewing code and conduct risk assessments to identify vulnerabilities.

Experience/Skills:

• Proven experience of delivering Cyber Security consultancy in OT/ICS environments within relevant CNI sectors such as civil nuclear, energy and transport.
• Ability to work on multiple projects and tasks concurrently, successfully balancing internal capability growth and client priorities and delivering security outcomes to tight deadlines whilst managing client stakeholder expectations.
• Ability to work effectively both individually and within a team.
• Excellent problem-solving skills and the ability to work well under pressure.
• Ability to communicate technical ideas and issues to both technical and non-technical audiences.
• Good understanding of OT/ICS systems, how they are, designed, deployed and operated.
• Familiarity with OT cyber security standards or regulatory frameworks including but not limited to IEC 62443/ISA, NIST CSF, NCSC CAF, the Network and Information Systems (NIS) Regulations and ISO21434
• Automotive cyber expertise would be desirable with knowledge of UN155/156 regulations.
• GICSP, IEC/ISA 62443 or other cyber security qualifications with strong relevance to OT cyber would be an advantage.
• Successful candidates will be required you to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.
• Flexibility over travel throughout the UK for client engagements

This job description is not to be regarded as exclusive or exhaustive. It is intended as an outline indicating of the areas of activity and may be amended from time to time in the light of the changing needs of the organisation.

This role will require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

Methods is passionate about its people; we want our colleagues to develop the things they are good at and enjoy.

By joining us you can expect

• Autonomy to develop and grow your skills and experience
• Be part of exciting project work that is making a difference in society
• Strong, inspiring and thought-provoking leadership
• A supportive and collaborative environment

Development – access to LinkedIn Learning, a management development programme, and training

Wellness – 24/7 confidential employee assistance programme

Flexible Working – including home working and part time

Social – office parties, breakfast Tuesdays, monthly pizza Thursdays, Thirsty Thursdays, and commitment to charitable causes

Time Off – 25 days of annual leave a year, plus bank holidays, with the option to buy 5 extra days each year

Volunteering – 2 paid days per year to volunteer in our local communities or within a charity organisation

Pension – Salary Exchange Scheme with 4% employer contribution and 5% employee contribution

Discretionary Company Bonus – based on company and individual performance

Life Assurance – of 4 times base salary

Private Medical Insurance – which is non-contributory (spouse and dependants included)

Worldwide Travel Insurance – which is non-contributory (spouse and dependants included)

Enhanced Maternity and Paternity Pay

Travel – season ticket loan, cycle to work scheme

For a full list of benefits please visit our website (www.methods.co.uk/careers/benefits)