Principal Telecoms Engineer

Company: Mott MacDonald
Apply for the Principal Telecoms Engineer
Location: Croydon
Job Description:

Location

London, Croydon, Birmingham, Manchester, Glasgow; UK

Overview Of The Role

We are looking for an experienced, industry respected Telecoms Engineer of high technical calibre who can work both independently and within the wider delivery team. The individual must have a good working knowledge and experience of Operational Telecoms and SCADA, with SISS desirable and over 12 years of professional experience. This role will require a minimum of 3 days per week in your local office.

Responsibilities will include carrying out the role of CRE, providing telecom engineering input into our project portfolio across all design stages and consultancy services, delivering telecom design packages, and providing specialist technical support to rail infrastructure projects in the UK and internationally.

Key Accountabilities

  • Act as CRE on Network Rail projects
  • Lead design teams and delivery across SCADA, PLC, BMS, DCS and telecoms systems (CCTV, GSM‑R, FTN, PAVA, VOIP, RF)
  • Carry out CAT2 checks and ensure compliance with standards
  • Manage design documentation, RFIs, TQs and approvals
  • Coordinate with BIM/CAD teams for design integration
  • Support HAZID / HAZOP / HAZCON processes
  • Attend FAT/SAT and commissioning activities
  • Interface with delivery, commercial and planning teams
  • Review designs against current codes of practice and standards, analyse and design solutions
  • Work alongside other technical disciplines to provide advice best suited to the project and client
  • Ensure work is delivered to programme and budget
  • Ensure work is delivered to the necessary level of quality
  • Undertake formal peer reviews of project work
  • Liaise with project stakeholders and provide technical advice
  • Develop relationships with key clients and support business development
  • Assist with resource planning

Candidate Specification

Essential

  • Chartered Engineer with the Engineering Council UK or equivalent
  • Telecoms CRE with evidence of Network Rail approved status for SCADA and Operational Telecoms; SISS preferable
  • Experience with telecom engineering codes of practice in the UK
  • Excellent communication, report writing and presentation skills
  • Extensive knowledge of the UK Rail Industry
  • Proven experience as a Network Rail CRE (Comms/Controls)
  • Strong knowledge of NR standards (incl. NR/L2/RSE/02009)
  • Background in senior/principal C&C or electrical engineering roles
  • HND (or equivalent) in Engineering
  • CEng + IET/CIBSE membership preferable

Desirable

  • IRSE Membership

UK Immigration

Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. We continue to welcome applications from candidates who are eligible for alternative immigration routes that do not require sponsorship as a Skilled Worker now or in future.

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 cover to 6× your salary
  • Income protection scheme providing a financial benefit and support for long‑term illness or injury
  • Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing
  • Annual bonus schemes

Employee Ownership

  • No external investors; culture of shared success
  • Employees have a stake and a voice in the business, with direct connection to success through personal and group performance bonuses
  • Career growth increases stake and influence
  • Opportunity to connect directly with senior leadership
  • Direct pathway towards ownership from day one for senior roles

Health and wellbeing

  • Private medical insurance for all UK colleagues
  • Health cash plan
  • Access to Peppy, providing menopause support for all UK colleagues
  • Comprehensive wellbeing programme for you and your family
  • Flex your salary to opt into a wide range of health benefits

Lifestyle

  • Minimum 33–35 days holiday per year, inclusive of public holidays; ability to buy or sell leave
  • Holiday entitlement increases to 35 days after 5 years of service
  • Employee saving schemes and discounts from high‑street retailers

Enhanced family and carers leave

  • 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave
  • Shared parental leave matches maternity leave, up to 24 weeks at full pay
  • Up to 5 additional days leave for significant caring responsibilities, two paid

Learning and development

  • Primary annual professional institution subscription
  • Opportunities to enhance technical and soft skills through mentoring, formal training and self‑development options

Networks, communities, and social outcomes

  • Wide range of groups including Advanced Employee Networks for LGBTQ+, gender, race and ethnicity, disability and parents/carers communities
  • Opportunity to contribute to social outcomes

Contract

Permanent, Full Time, Market: Transport, Discipline: Railways

Job Ref

15079

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Posted: July 2nd, 2026