Senior Structural Steel Fabricator / MIG-MAG Welder

JC Portable Site Accommodation Full time

Chichester, United Kingdom Posted on 31/08/2026

About JCPSA: We're a Chester-based modular building manufacturer with a difference - we don't just assemble, we engineer from the ground up. Since 2010, we've built a reputation for creating premium, bespoke structures that last 25-40 years for clients including NHS, Mercedes, VW, Audi, and major property developers.

Our culture: Quality over profit. Founder Paul personally oversees every project, ensuring standards never slip. We tackle challenges others walk away from with our "nothing's impossible" approach. Small enough that you matter, large enough to deliver complex £1M+ projects.

Job Description

Reporting To: Production Manager / Production Supervisor

Salary: £35,100 - £46,800 per annum (dependent on qualifications and experience)

Job Type: Full-Time, Permanent; Hours: Monday to Friday, 7:00am - 4:30pm (45 hours per week)

About the Role

Are you an experienced Structural Steel Fabricator / MIG-MAG Welder who takes pride in building solid, high-quality steel structures? Join our growing team in Chichester, where you will bring technical engineering drawings to life. In this role, you will fabricate, weld and assemble structural steel components for modular buildings in our yard and support their installation on-site across the UK. If you enjoy variety, precision work, and seeing the direct impact of your craftsmanship from start to finish, this is the perfect move for you.

Key Responsibilities

• Fabricate structural steel: fabricate structural steel components from engineering drawings.
• MIG/MAG welding: carry out high-quality MIG/MAG welding on mild steel sections.
• Assemble steel frames: assemble steel frames for modular buildings.
• Welding & grinding: perform tack welding, final welding and grinding to specification.
• Equipment operation: use fabrication equipment including saws, drills, grinders and hand tools.
• Technical accuracy: interpret fabrication drawings and work to tight tolerances.
• Site installation: assist with the installation and erection of steel-framed modular buildings on site.
• Quality & compliance: ensure all work complies with quality standards and welding procedures.
• Teamwork: work effectively as part of a fabrication and installation team.
• Safety & housekeeping: maintain your dedicated workstation and tools to a high standard, ensure full procedural compliance, and take genuine pride in workshop cleanliness. Strictly follow all company Health, Safety, Environmental, and Quality systems - this includes wearing correct PPE, participating in briefings, and keeping both the yard and construction sites safe and tidy.

Requirements

• Minimum NVQ Level 2 or Level 3 in Fabrication & Welding, Structural Steelwork or equivalent
• Proven experience in MIG/MAG welding of mild steel
• Experience in fabrication and assembly of structural steelwork
• Ability to read and interpret engineering drawings
• Good understanding of fabrication techniques and workshop machinery
• Willingness to work away from home when required for site installations
• Full UK Driving License

Desirable Qualifications & Experience

• Coded welding qualifications (advantageous but not essential)
• IPAF and/or PASMA certification
• Telehandler or Forklift License
• Overhead Crane experience
• SSSTS or Site Safety qualification
• Experience within modular construction or off-site manufacturing
• Experience with structural steel erection on construction sites

You are

• A professional craftsperson who takes true pride in their workmanship, naturally maintains a clean, organized workstation, and respects company tools and safety standards.
• A reliable, self-motivated team player with a positive attitude and a flexible approach to working hours, site travel, and moving between indoor/outdoor tasks

Why join the JCPSA team?

• Good pay: competitive salary (dependent on experience) plus overtime opportunities (Monday-Saturday)
• Gear provided: full corporate workwear, top-quality tools, and high-end PPE - including modern, air-fed welding masks for your health and comfort
• Our yard setup: a free parking on-site; a dynamic yard with specialized, well-lit modular workstations. You'll be moving between indoor fabrication and the outdoor yard, working with a supportive, down-to-earth management team.
• Time for yourself: 21 days annual leave plus all Bank Holidays
• Stability you can count on: Company Pension Scheme and a secure, long-term role within a steadily growing business
• Family & wellbeing: enhanced maternity/paternity benefits (subject to qualifying period) to look after you and your family; and access to the sauna on the yard.
• Skills development: ongoing training and professional development to keep your qualifications sharp
• Work opportunities: building a wide range of innovative, high-quality modular building projects

Health & Safety

We treat Health, Safety, Environmental and Quality Management Systems seriously, having ISO 9001, ISO 14001 and ISO 45000 certification. We are looking for professional team members who naturally respect workshop and construction sites rules, follow procedures, commit to continuous improvement, and look out for their colleagues.

JCPSA is an equal opportunities employer