Cyber Security Consultant

AtkinsRéalis; Bristol; Hybrid; GBP 45,000 - 60,000; Full time

Job summary

A leading engineering services company in the UK is seeking a Cyber Security Consultant to safeguard Aerospace, Defence, and Critical National Infrastructure clients against evolving cyber threats. With clear pathways for career advancement, this role is ideal for those looking to grow professionally while contributing to nationwide security. The successful candidate will manage risk assessments, deliver high-quality security solutions, and engage with clients to drive business development, all within a supportive team environment. Hybrid working options and a commitment to professional development are offered.

Benefits

Flexible working arrangements

Competitive salary

Professional development opportunities

Qualifications

• Knowledgeable individual with Information Assurance and Security qualifications.
• Experience in the UK Defence sector and MoD policies.
• Ability to create client policies in OT environments.

Responsibilities

• Provide cyber security advice and guidance to clients.
• Lead risk assessments and implement security controls.
• Manage multiple projects concurrently to meet client expectations.

Skills

Experience in technical cyber security consultancy

Excellent communication skills

Strong organizational skills

Ability to manage multiple projects

Commitment to ongoing professional development

Willingness to travel in the UK

Education

Relevant professional certifications (ISO27000, CISMP, CISM, CISSP)

Background in Information Assurance

Tools

Knowledge of cybersecurity standards (IEC 62443, NIST CSF)

Job description

Job Description

Overview

Leading the edge of transformation.

Join our organisation, where we have a huge variety of projects on‑the‑go at any one time. So when you start this role with us, it could take your career wherever your interests lie. You'll find everyone here is willing to pitch in and help because we all want you to succeed, and we're ready to help you grow.

When it comes to living your life, we want you to get the most out of it. So talk to us about all our flexible and remote working policies that can support your personal priorities. Also, ask us about some of our recent pledges for Women’s Equality, as well as being a ‘Disability Confident’ and ‘Inclusive Employer.’

As a Cyber Security Consultant, you’ll play a pivotal role in protecting Aerospace, Defence and CNI/OT clients from evolving cyber threats. You’ll work on projects that shape national security, working alongside industry experts in a supportive, innovative environment. We offer clear pathways for career advancement and professional development, and this role will suit a recently qualified professional who is looking to take their career to the next level and provide real‑world benefit to clients. In return, we offer a challenging and rewarding role, career development, an empowered and supportive working environment with a competitive reward package. We invest in your professional growth through certifications, training and leadership pathways. You will work on ‘business as usual’, technical refresh and new project environments, applying technical knowledge and innovative thinking. You will help clients establish robust security governance, perform risk assessments, and deploy effective security controls and solutions aligned with business risk appetite.

The successful candidate will be a knowledgeable, enthusiastic and conscientious individual who has the relevant Information Assurance and Security qualifications, and experience in working in either Defence or CNI/OT. If you have strong cyber security fundamentals and are keen to develop expertise in Defence or CNI/OT, we’ll support you with training and certifications. You will work on a range of client‑facing projects, large and small, but will also be expected to contribute to winning new business and managing delivery. Projects are likely to involve working on client sites (although hybrid working allows us to be flexible), and may involve travel across the UK and, occasionally overseas.

Your role

Client Delivery

• Provide cyber security advice and guidance for clients in various environments.
• Lead and deliver risk assessments, security governance, and deployment of effective security controls tailored to client needs.
• Develop, review and maintain security‑related artefacts, policies and procedures to ensure compliance and best practice.
• Manage multiple projects concurrently, balancing business and client priorities.
• Deliver high‑quality work under pressure and to tight deadlines, ensuring stakeholder expectations are met.

Technical Leadership

• Apply technical security knowledge creatively to solve cyber security challenges.
• Assist in fostering a culture of continuous improvement within the security team.
• Articulate cyber security concepts and recommendations to both technical and non‑technical audiences.

Business Development

• Assist with the identification of new business opportunities, contributing to proposals and client engagement.
• Build and maintain strong relationships with clients, stakeholders and team members.

About you

• Experience of delivering technical cyber security consultancy in multi‑disciplined environments, with proven ability to work both independently and collaboratively.
• Background in information assurance, including developing Information Security Management Systems (ISMS), conducting risk assessments and deploying appropriate security controls.
• Excellent verbal and written communication skills, with the ability to engage effectively with stakeholders at all levels.
• Strong organisational skills, with experience managing multiple projects and tasks concurrently.
• Ability to deliver security outcomes to tight deadlines while maintaining quality and managing stakeholder expectations.
• Willingness and flexibility to travel throughout the UK (and occasionally overseas) as required.
• Relevant professional certifications (e.g., ISO27000, CISMP, CISM, CISSP) are highly desirable.
• Solid understanding of ‘Secure by Design’ methodology.
• Commitment to ongoing professional development and willingness to learn new frameworks and technologies.
• Experience in the UK Defence sector, including knowledge of MoD security policies and processes (e.g., HMG Information Assurance Policies, Security Policy Framework, JSP440, JSP604/JSP453).
• Experience conducting and managing security assurance and accreditation activities for Defence capabilities or delivering cyber security consultancy in OT environments (e.g., energy, utilities, transportation).
• Experience in segmenting and securing industrial OT/ICS networks. Any Control & Instrumentation background would be an added advantage.
• Familiarity with OT cyber security standards or regulatory frameworks (e.g., IEC 62443, NIST CSF, NIS Regulations, HSE OG‑0086).
• Relevant OT cyber security qualifications (e.g., GICSP, IEC/ISA 62443).
• Membership of recognised security professional bodies (e.g., IISP, IS2, BCS, CIISEC).
• Ability to create client policies and procedures to meet corporate and regulatory requirements in OT environments.
• Experience selecting and deploying appropriate technology in live CNI environments.

Reward & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

Be rewarded. Find out more.

About AtkinsRéalis

We’re AtkinsRéalis, a world‑class engineering services and nuclear organisation. We connect people, data and technology to transform the world’s infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We’re committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Additional information

Security clearance

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of five years or longer. If applying to this role, please do not make reference to (in conversation) or include in your application or CV details of any current or previously held security clearance.

We are committed to creating a culture where everyone feels that they belong – a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family‑friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.