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: Senior/Principal Civil & Structural Engineer
We are seeking a Senior/Principal Civil & Structural Engineer to strengthen our growing engineering and design consultancy. This role is ideal for an experienced professional engineer who brings deep technical expertise, particularly process industries and/or the water industry, and can provide disciplined leadership across a diverse portfolio of industrial/energy/water projects.
As a senior member of the team, you will lead key technical decisions, oversee civil/structural design scopes, mentor engineers across all levels, and represent the Civil & Structural discipline in client, contractor, and vendor engagements. You will play a pivotal role in shaping best practices, improving design approaches, and elevating the technical capability of the team.
Some of the main responsibilities of the Senior/Principal Civil & Structural Engineer will include:
- Lead the delivery, technical review and assurance of civil and structural engineering outputs, including calculations, specifications, reports, drawings and design documentation, ensuring high quality and compliance with relevant standards.
- Provide senior technical leadership on civil and structural design challenges, including structural analysis, load path definition, foundation strategy and buildability considerations.
- Act as a subject matter expert and trusted advisor on structural assessments, including finite element modelling, stability assessments, and the evaluation of structural robustness and resilience.
- Deliver and oversee analysis and design using industry-standard tools (such as SCIA, Robot, Tekla Structural Designer, Tekla Tedds and IDEA StatiCa, or equivalent), selecting appropriate methods and approaches to suit project requirements; familiarity with these tools listed is beneficial.
- Develop and implement project-specific design philosophies, technical standards and specifications for steel, reinforced concrete and civil infrastructure, ensuring alignment with client requirements, codes and best practice.
- Define and manage scope, deliverables and resourcing for civil and structural design packages, supporting project planning, commercial input, risk management and change control within a consultancy environment.
- Act as the primary civil and structural interface with clients, stakeholders and multidisciplinary teams, providing clear technical guidance, resolving complex queries, and maintaining strong client relationships.
- Collaborate across disciplines to deliver integrated and innovative design solutions, contributing to design reviews, constructability assessments, safety workshops and key project gateways.
- Provide technical leadership, mentoring and professional development for engineers, promoting a culture of excellence, knowledge sharing and continuous improvement.
This role offers the opportunity to lead technically challenging, high-impact projects while playing a key part in shaping and enhancing the capability of the Civil and Structural discipline. You’ll join a growing consultancy where your influence directly contributes to team development and client outcomes, with professional development, Chartership support and clear pathways into discipline leadership. Working within a collaborative, multidisciplinary environment where technical expertise is genuinely valued, you’ll have the autonomy and scope to make a real impact.
Preferred Profile:
- Degree qualified in Civil or Structural, with Chartered Engineer status (CEng) or working towards chartership highly desirable.
- Demonstrable experience delivering detailed civil and structural design within sectors such as infrastructure, energy, industrial or water projects, with a strong understanding of structural systems, materials and applicable design standards.
- Proven capability in structural/civil analysis and design using industry-recognised approaches.
- Experience of structural analysis and design software (e.g. SCIA, Robot, Tekla Structural Designer, Tekla Tedds, IDEA StatiCa or similar); familiarity with these tools is advantageous but not essential.
- Strong understanding of relevant codes and standards (e.g. Eurocodes, British Standards) and their application within a consultancy environment, alongside an appreciation of constructability and buildability considerations.
- Proven ability to lead design packages, coordinate multidisciplinary engineering activities and engage confidently with clients, contractors and key stakeholders.
- Experience mentoring and supporting the development of junior and mid-level engineers, contributing to technical excellence within the team.
- Experience in areas such as foundation design, temporary works, or specialist structural assessments is advantageous.
- Previous consultancy experience, with a client-facing and advisory approach, is highly desirable.
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 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 (10% employer contribution)
- 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
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.
InSite Technical Services is an equal-opportunity 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.
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