Security Systems & ICT Infrastructure Engineer

MOTT MACDONALD; Bristol; Hybrid; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Pension matching 4.5–7%

Life assurance up to 4× salary

Income protection

Flexible benefits and annual bonus

Employee ownership

Private medical insurance

Health cash plan

Wellbeing programme

Job summary

Mott MacDonald seeks an ICT Principal Engineer to design Security Systems and ICT Infrastructure within the Digital Infrastructure team, based in the Buildings division across Southern UK offices. You will contribute to major projects in healthcare, defence, airports, rail, residential and data centres.

The role involves leading design for CCTV, access control, intruder detection, and integrated security, coordinating with MEP disciplines, and supporting senior management on commercial and

Qualifications

• Proven experience delivering built environment projects.
• Extensive security system and ICT infrastructure design across concept to detailed design.
• Experience leading design and specification of CCTV, Access Control, Intruder Detection, and Integrated Security Management systems.

Responsibilities

• Deliver Security Systems and ICT infrastructure design from concept to detailed design.
• Coordinate with multidisciplinary teams and with architects/civil engineers.
• Develop, document and define client solutions based on requirements.
• Build and maintain strong client relationships and ensure high-quality service delivery.
• Support senior managers in commercial and contractual activities.
• Work autonomously within a team on building services projects.

Skills

Security design

ICT infrastructure

Leadership

3D design models

Client relations

Education

Electrical/ICT Building Services degree

Tools

NBS Create

REVIT

Job description

Location/s:

London / Croydon / Cambridge / Bristol / Brighton / Birmingham

Recruiter contact: Andrea Gaffney

Overview of the role:

We are seeking an Information Communication Technology (ICT) Principal Engineer to design Security Systems and ICT Infrastructure with our ‘Digital Infrastructure' team. The role is within our Buildings division to work with our multidisciplinary Building Services Mechanical, Electrical and Public Health (MEP) team, ideally based in one of our Southern UK offices.

You will play a key role in both winning and delivering major projects across diverse sectors, including:

• Healthcare
• Defence and civic infrastructure
• Airports
• Railway stations
• Residential developments
• Data centres

Key responsibilities and duties include:

• Deliver Security Systems and ICT infrastructure design for major projects from concept through to detailed design.
• Coordinate with multidisciplinary teams and collaborate with architects and civil engineers.
• Work with clients to understand requirements, develop, define and document appropriate solutions.
• Build and maintain strong client relationships, ensuring high‑quality service delivery.
• Support senior managers running the commercial and contractual side of projects.
• Work autonomously within a team carrying out building services projects.
• Prepare design documents including sketches, drawings, reports, schedules and specifications.
• Work at various project phases including feasibility, concept & detail design, procurement, construction, testing, commissioning, handover and in‑use.
• Review and coordinate designs with other design disciplines both internally and externally.
• Review and comment on third‑party designs and check against briefs and standards.
• Inspect and witness testing of under‑construction or as‑built systems and report findings.
• Keep updated on technical standards, product developments, and identify opportunities for training, development and growth.
• Support the learning and development of early‑career professionals in the team.

Candidate Specifications:

Essential

• Proven experience delivering projects within the built environment.
• Extensive Security System and ICT infrastructure design experience across concept and detailed design stages.
• Capable of leading design and specification of the following systems:

• CCTV systems.
• Access Control Systems.
• Building and Perimeter Intruder Detection Systems.
• Integrated Security Management Systems.

• Experience of securing Critical National Infrastructure (CNI) and similar high‑security sites.
• Experience of leading structured design processes such as Home Office ‘Operational Requirements'.
• Demonstrated ability to lead teams and coordinate with other disciplines.
• Delivery of coordinated 3D design models.
• Leader of Security & ICT elements on one large project or a portfolio of smaller projects.
• Track record in building services Security Systems & ICT engineering design and specification using relevant industry software such as NBS Create and REVIT.
• Excellent communication skills, including report writing and presentations.

Desirable

• Experience in sectors such as MoD/defence, healthcare, infrastructure, aviation, rail, residential or data centres.
• Experience in designing and specifying physical security measures for sites and buildings.
• Degree‑qualified Engineer with a strong background in Electrical & ICT Building Services.
• Chartered Engineer (CEng) status with IET, CIBSE, or equivalent professional body.
• Awareness of Cyber Security design principles.
• Experience designing passive and active ICT network infrastructures.
• Experience designing Audio Visual systems.
• Experience designing Fire detection, public address, voice alarm and EVC systems.
• Experience in work‑winning and bid support.
• Familiarity with digital engineering tools and emerging technologies.
• Up‑to‑date knowledge of current building regulations, legislation and standards applicable in building and infrastructure design.
• Experience training graduates/Early Career Professionals (ECP).
• Experience in driving profitability of projects, monitoring against budget, anticipating potential problems and communicating in line with client expectations.

Additional expectations

• Willingness to travel within the UK and occasionally internationally as required.
• Commitment to high standards of corporate governance and project delivery.

Equality, diversity, and inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at [e-mail] and we will talk to you about how we can support you.

Benefits

Financial wellbeing

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4× your basic salary, with an option to increase the level of cover to 6× your salary.
• Our income protection scheme provides a financial benefit, as well as absence and return‑to‑work support due to long‑term illness or injury.
• Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and wills writing.
• As an independently owned business we share the financial success of the business with all our colleagues through various ways including annual bonus schemes.

Employee Ownership

• Our employee ownership model means no external investors, just us, creating a culture of shared success.
• Our employees have a stake and a voice in our business, giving them a direct connection to our success through personal and group performance bonuses.
• As your career grows, so does your stake, recognising your long‑term impact and contribution.
• Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.
• For our senior roles you will have a direct pathway towards ownership from day one.

Health and wellbeing

• Private medical insurance for all UK colleagues.
• Health cash plan to support you with everyday health costs and treatments.
• Access to Peppy, providing free support from menopause experts for all UK colleagues.
• A variety of wellbeing support is available through our comprehensive wellbeing programme, including access for you and your family.
• Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.

Lifestyle

• A minimum of 33‑35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
• 10 days additional paid leave for Armed Forces Reservists and Cadet Force Adult Volunteers.
• Holiday entitlement increased to a minimum of 35 days after 5 years’ service.
• Variety of employee saving schemes and discounts from high‑street retailers.

Enhanced family and carers leave

• Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
• Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.
• Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.
• We offer policies and dedicated support to help military families balance service life with career and wellbeing.

Learning and development

• Primary annual professional institution subscription.
• A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self‑development options.

Networks, communities, and social outcomes

• Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.
• We are proud signatories of the Armed Forces Covenant and Gold Award holders in the MOD Employer Recognition Scheme, supported by our dedicated internal Armed Forces Network.
• Make a difference within our communities through our social outcomes.