PTS Assistant Welder

Job Title

Assistant Welder

• Salary: £122.50 - £137.37 per day
• Type: Contract
• Region: UK - London
• Town/City: London
• Posted: 09/01/2026
• Listed in: Rail Specialists
• Reference: WELD
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We are currently looking for a dedicated Assistant Welder to join our team and support welding operations across projects in the London area. This is an excellent opportunity for someone with the right tickets to gain consistent work and valuable experience. The work will be paid PAYE Direct and will be long term and ongoing.

We are looking for a 2 person team (1 x Welder and 1 x Assistant). If you know anyone else suitable to join you in a team please let us know.

• Support welders on-site with preparation and finishing tasks.
• Good understanding of safe working practices in welding environments.
• Flexibility to work shifts as required.

• Valid Assistant Welder - Thermit & Pandrol certification.
• Personal Track Safety (PTS) (or equivalent).

A reliable and safety-conscious individual with strong teamwork skills and a commitment to safety.

As an equal opportunities employer, MSS Infrastructure Ltd. is committed to the equal treatment of all current and prospective applicants. We actively seek applications from all sectors of the community and particularly encourage applications from women, those with a disability (that is permissible to a safety‑critical environment) and ethnically diverse or ethnic minority candidates, as these groups are underrepresented throughout the construction industry.

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Within a 20-mile radius of London