Mechanical & Piping Senior Designer

Company: InSite Technical Services
Apply for the Mechanical & Piping Senior Designer
Location: Wales
Job Description:

About Insite

InSite Technical Services Limited (InSite), part of Vulcain Engineering Group, is a UK-based engineering consultancy with an international footprint, delivering expert engineering design, project management, and technical support across a range of energy and industrial sectors.

With a strong track record in the oil refining, terminals, LNG, and renewables industries, InSite combines its specialist expertise with the scale, capability and global reach of the Vulcain group to help clients meet the challenges of the energy transition and deliver projects that support a more sustainable future.

Our team of experienced engineers and designers bring technical expertise and industry insight to every project, offering value, assurance, and innovative thinking from concept to execution. InSite specialises in conceptualising, designing, and supporting projects that have a lasting, positive impact on the world of tomorrow.

The Position: Mechanical & Piping Senior Designer

We are seeking a Mechanical & Piping Senior Designer to strengthen our growing engineering and design consultancy. This role is ideal for an experienced professional designer who brings deep technical expertise, particularly in Process Piping systems in both Brownfield and Greenfield environments and can provide disciplined leadership across a diverse portfolio of industrial and energy projects.

As a senior member of the team, you will lead key technical decisions, oversee complex piping design scopes, mentor junior members of the team, and represent the Mechanical and Piping discipline in high-impact client, contractor, and vendor engagements.

Some of the main responsibilities of the Mechanical & Piping Senior Designer will include:

  • Lead the production, review and approval of Piping design documents including Isometrics, Material Take-offs, Plot Plans, and Detailed Drawings using Aveva E3D, Plant3D, and Navisworks Manage.
  • Provide input to project schedules, working closely with the project management team throughout the course of a project.
  • Review incoming vendor information and client’s technical standards alongside out Mechanical Engineers.
  • Support with defining scope, deliverables and resource requirements for piping design packages, providing accurate input to risk identification and change management.
  • Represent the Mechanical and Piping discipline in client meetings and technical discussions, resolving complex design queries and coordinating with vendors and contractors to ensure technical integrity.
  • Work closely with other engineering disciplines to deliver integrated, high-quality project solutions, providing checking of multi-disciplinary deliverables where required.
  • Lead 3D 30%, 60% and 90% model reviews gathering input from client SME’s.
  • Distribute work packages efficiently to more junior members of the project team.
  • Mentor and develop engineers and apprentices, promoting a culture of engineering excellence, quality and continuous improvement across the team.

What We’re Looking For:

The successful applicant will lead technically challenging, high-impact projects while playing a key part in shaping and enhancing the capability of the Mechanical and Piping discipline

If you are an experienced mechanical designer ready to step into a Senior-level role – or already operating at Senior level and seeking greater technical influence and responsibility – we would welcome your application.

Preferred Profile:

  • A minimum of a HNC in Mechanical Engineering or equivalent relevant industry experience.
  • Experience delivering detailed piping design within industrial, energy or infrastructure sectors, with strong working knowledge ASME B31.3 Standards is preferred.
  • Proven ability to lead project design scopes, coordinate multidisciplinary engineering activities and engage confidently with clients, vendors and senior stakeholders.
  • Demonstrated experience guiding and mentoring junior and mid-level engineers, supporting their technical development.
  • Experience interpreting and explaining Static and Rotating equipment drawings and design.

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.

Remuneration & Benefits:

We offer a competitive salary tailored to your experience and background. Whether you’re earlier in your career or bring more senior-level expertise, we encourage you to apply if this role aligns with your skills, or if you’re open to discussing other opportunities within our business and wider Vulcain Engineering Group.

We also offer a benefits package, both standard and enhanced, which is designed to support your wellbeing, development, and financial future, including:

  • Annual Leave + Bank Holidays
  • Pension Scheme
  • Life Insurance and long-term sickness cover
  • Medical cover and Employee Assistance Programme (EAP)
  • Maternity, Paternity Leave
  • Cycle to Work Scheme
  • Training & Development, including additional qualifications and accreditations relevant to your role

Why join us?

At InSite, we offer exciting career opportunities for people at every stage – from apprentices and graduates to seasoned professionals.

We’re proud to provide a competitive reward package, flexible working options and generous holiday allowance – because your work/life balance matters.

Join our friendly team in beautiful Pembrokeshire, West Wales, and build a fulfilling career with real responsibility, growth and impact.

If you enjoy tackling challenges and solving problems, you’ll find opportunities to grow your career, stay motivated, and thrive in a dynamic, collaborative environment.

Equal Opportunities:

Insite Technical Services is an equal opportunities employer. We are committed to creating a diverse and inclusive workplace where everyone is valued and respected. We welcome applications from all individuals, regardless of background, and do not discriminate based on age, gender, disability, ethnicity, religion, sexual orientation, or any other protected characteristic.

If you require any reasonable adjustments during the recruitment process, please let us know, and we will be happy to accommodate your 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.

Posted: May 28th, 2026