Principal Engineer (Temporary Works)

Job description

Principal Design Engineer – Temporary WorksLocation: Pontyclun, South Wales

About AmcoGiffenAmcoGiffen is a trusted provider of engineering services across the UK, delivering complex civils, rail and infrastructure projects. Our in‐house design team brings together specialists at all levels, and we are now expanding our capability in Wales with dedicated Temporary Works expertise. This is an exciting opportunity to help shape a growing team and influence the future of our design offering.

What We Offer

Competitive salary (dependent on experience)

Company car or car allowance

25 days annual leave plus bank holidays (increasing with service)

Up to 3 volunteering days

Company contributory pension scheme

Life insurance

Medicash Health Cash Plan & Rewards

Private Medical Insurance

Professional and personal development opportunities

A safe, inclusive and supportive working environment

Employee forums for open feedback and discussion

The OpportunityAs Principal Design Engineer for Temporary Works, you will lead the development of technical solutions across a diverse portfolio of rail and non‐rail infrastructure projects. You will play a central role in building and guiding the Temporary Works design function in Wales & Western, ensuring high‐quality, safe and innovative engineering outcomes for our clients.

This is a senior leadership position within the Design Team, combining technical authority with team development, project oversight and client engagement.

Key Responsibilities

Provide authoritative technical leadership on Temporary Works engineering solutions.

Lead compliance with CDM Regulations and ensure robust design governance.

Define project briefs and drive the development of clear, innovative engineering solutions from feasibility through to detailed design.

Establish and maintain design philosophies and ensure appropriate documentation is in place.

Act as CRE (Design) on Network Rail schemes across a varied project portfolio, including multi‐disciplinary works.

Check and approve design deliverables, including Designer's Risk Assessments and Decision Logs.

Represent the design team at internal and external meetings with clients and stakeholders.

Ensure delivery against financial, quality and programme targets.

Provide strong leadership, including performance reviews, coaching and development of team members.

Support succession planning and contribute to the long‐term growth of the design function.

Maintain proactive communication with clients regarding cost, scope changes and emerging issues.

Assist the Head of Design with departmental management and continuous improvement.

Champion a culture of excellence across AmcoGiffen Design & Engineering.

About YouYou will bring significant experience as a Principal Design Engineer specialising in Temporary Works, ideally within a rail environment. You will be confident leading teams, shaping technical direction and engaging with clients at a senior level.

Essential Requirements

IEng/CEng qualification (or equivalent).

Chartered membership of a relevant professional body (e.g., ICE, IStructE).

Sentinel PTS competence (AC and DC).

Strong civil engineering design experience (bridges, structures, stations, platforms etc.).

Extensive experience delivering Temporary Works designs for rail and civils projects.

Background in client, contractor or consultancy environments will be considered.

Apply NowIf you're an experienced Temporary Works Principal Design Engineer looking to take the next step in your career, we'd be delighted to hear from you. Please submit your application to join our growing team in Wales.

Diversity & Inclusion at AmcoGiffenWe value collective expertise, but also the spark that one person can bring. As one of us, you can be you, because your individuality is an asset to our business and the communities in which we work and represent.

We are working hard as part of the civil engineering and construction industry, to improve diversity & inclusion. Our Diversity and inclusion journey at AmcoGiffen, is constantly evolving and is designed to break down barriers and promote the principles of a diverse workforce through multiple channels. This includes delivering training, raising awareness, regular forums and sharing our engagement calendar of activities and events to encourage participation at all levels throughout our organisation.

Diversity & Inclusion is embodied throughout our SPIRIT core Business values and lies at the heart of our culture of Safety, Professionalism, Innovation, Respect, Integrity and Teamwork.

AmcoGiffen is an Equal Opportunities Employer, offering challenging, worthwhile careers to everyone and is pro‐actively committed to improving our understanding year on year to foster a diverse and inclusive environment for all employees as well as for the customers and communities in which we serve and operate within. It doesn't matter to us what your age, disability, employment status, gender, health, marital status, sexual preference, membership or non‐membership of a trade union, nationality, race, religion or social class are, or indeed any other personal characteristics not directly related to the relevant job. Anyone who meets the requirements of the job is eligible for employment with AmcoGiffen.

Health & WellbeingOperating from a people first perspective we support safety and wellbeing in the workplace as a priority. We have large number of colleagues that are trained and qualified mental health first aiders to support and listen where appropriate. We enrol all of the AmcoGiffen family onto an employee assistance programme which provides 24 hour, 7 days a week counselling and advice services.

Contact InformationFor more information or to arrange a private and confidential discussion about AmcoGiffen career opportunities, please contact our Recruitment Team: tom.peach@amcogiffen.co.ukRecruitment Manager

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Extra information

Status

Open

Education Level

Secondary School

Location

Pont-y-clun

Type of Contract

Full-time jobs

Published at

03-04-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English