Our Values

Our values give you an insight into aur identity and culture. They are part of who we are, what we stand for and how we act. Everyone at InSite is encouraged to carry out their work with us according to our values:

Own The Outcome

At InSite, true success stems from every member of our team taking ownership of their responsibilities and driving outcomes.

Every participant is a leader in their own right. We create an environment where challenges are overcome, innovation thrives, and excellence becomes a habit.

With, Not For

We work with, not for, our clients.

Our approach goes beyond traditional client-vendor relationships fostering collaboration and mutual growth.

We align our expertise with our clients’ vision to achieve shared objectives, in a partnership built on trust and open communication.

Never Stop Learning

Our dedication to continuous improvement strengthens our ability to deliver high quality solutions.

InSite believe in the power of growth and development. ‘Never Stop Learning’ is our commitment to nurturing the talents and skills of our staff.

Benefits

InSite Technical Services are always on the lookout for experienced, knowledgeable and enthusiastic, designers, engineers and business support personnel to join our team. If you feel you would like to join a rapidly growing team; we welcome all CVs due to business growth.

Career Growth & Opportunity

Progressive career paths, exposure to varying projects, and development opportunities for all experience levels.

Learning & Professional Development

Ongoing investment in training, mentorship and chartership support from industry- experts so you’re always growing.

Competitive Rewards

A strong salary and benefits package that recognises your contribution and grows with your career.

Flexibility & Wellbeing

A culture that supports wellbeing and balance, with flexibility when needed and a strong focus on working together.

Work Environment & Location

A welcoming team culture and the opportunity to live and work in stunning Pembrokeshire.

Vacancies

Are you looking for a challenging and rewarding career in the energy sector? Look no further than InSite Technical Services! We are a company that values innovation, collaboration, and personal growth. Join our team of skilled professionals and help us provide excellent technical solutions to our clients.

With competitive salaries, opportunities for advancement, and a supportive work environment, InSite Technical Services is the perfect place to take your career to the next level. Apply now and become a part of our dynamic and dedicated team!

Lead Mechanical & Piping Engineer

As the Mechanical & Piping Lead Engineer, you will oversee mechanical and piping scope on projects, working closely with the Technical Authority, Engineering Manager, project managers, clients and other discipline leads. You will manage engineering deliverables from concept and feasibility through FEED and detailed design, ensuring robust definition aligned with project requirements and industry standards. You will also support discipline planning and resource allocation, helping ensure the right capability is deployed to the right projects at the right time.

Please note many of our UK projects require high-level security clearance meaning that visa sponsorship is not guaranteed and is assessed on a case-by-case basis, depending on role criticality and project needs. We appreciate every application. However, due to the volume we receive, we’re only able to contact candidates who are shortlisted for this role or who may be a strong fit for future opportunities.  

Closing Date 1st February 2026

Key Responsibilities

  • Lead our mechanical and piping (M&P) engineering capability and personnel across multiple projects.
  • Coordinate multidisciplinary design and technical interfaces whilst developing mechanical and piping design deliverables across the full lifecycle (Concept, Feasibility, FEED, Detailed Design).
  • Oversee layout development, routing and mechanical equipment arrangements.
  • Collaborate with M&P Technical Authority and Engineering Manager to maintain technical standards.
  • Review and check technical deliverables, raising technical queries as required.
  • Responsible for functional development; assisting with capability growth, onboarding and mentoring of new team members, as well as providing coaching & guidance to our mechanical and piping engineers.
  • Contribute to continuous improvement of tools, processes and templates.
  • Support proposals, estimates and design planning inputs.

About Us

InSite are a leading multi-discipline design engineering and consultancy company based in Pembroke Dock, West Wales. We deliver multi-discipline projects for major clients across the UK and Europe – from concept through to completion.

Recognised among Wales’s 50 fastest-growing businesses and as SME of the Year at the ECITB Awards, we are proud of our collaborative culture and commitment to technical excellence. Our success is driven by talented people who take pride in doing things well.

Read more

Skills Required

  • Experience of leading mechanical and/or piping deliverables in an EPC project environment, ideally from a engineering and design consultancy setting.
  • Have previously delivered design packages across Concept, FEED and Detailed Design for Oil & Gas, Energy, COMAH, Industrial, or similar projects.
  • Strong understanding of piping layout, routing and modelling with knowledge of relevant codes, standards and industry practices.
  • Comfortable coordinating with multidisciplinary design teams, and confident engaging with EPC contractors & owners / operators.
  • Brownfield or modification project exposure is an advantage.
  • Ideally, a Chartered Engineer or working towards (IMechE ideal).
  • Reside locally to Pembrokeshire or be prepared to relocate, as this permanent role does not include travel expense coverage.

Employee Benefits

  • Competitive Salary
  • Flexible Working
  • Free On-Site Parking
  • Excellent Employee Benefits package:
    • Enhanced Annual Leave, Sick Pay, Parental Leave
    • Medical Insurance (optional) and access to EAP
    • Life Insurance
    • Income Protection Insurance
    • Fantastic Pension
    • + more

Application Form

Application Form

Please add your contact details, CV and any supporting documents below and we will be in touch.

Early Careers at InSite

Are you ready to embark on a career in Engineering, Project Management or Business Support?  Our Apprenticeship and Graduate schemes aim to lead you on a successful and fulfilling professional journey.

We embrace apprenticeships, mentorships, and encourage personal development.  Our graduate scheme is ECITB approved and is designed to meet the Engineering Council UL-Spec ensuring that your training supports you becoming chartered.

Work hard, learn on the job and grow professionally, but have fun along the way.  We are a pretty social bunch, so your time at InSite will be supportive, enriching and enjoyable.

At InSite every employee is allocated a Buddy and Mentor to support them as soon as they come aboard.  We are dedicated to nurturing talent and providing you with the support and professional development you need on your journey all the way up to becoming chartered.

Don’t miss out on this valuable opportunity to kickstart your career in engineering – keep an eye on this page and our socials to find out when to apply for the InSite Technical Services engineering apprenticeship or graduate scheme for 2026.