Mechanical Machinist

ALTRAD; Bristol; On-site; GBP 35,000 - 50,000; Full time

Job summary

A leading company seeks an experienced On-Site Machinist to join their nuclear project team in Bristol. The role involves precision machining using portable tools on-site, requiring strong technical skills and a commitment to safety and quality in a regulated environment. Ideal candidates will have significant experience and a proactive approach to compliance.

Benefits

Competitive compensation

Travel and accommodation support

Career development

Qualifications

• Minimum 5 years’ experience in portable/on-site machining.
• At least 2 years in nuclear or regulated sectors.
• CSCS or CCNSG Safety Passport required.

Responsibilities

• Set up and operate portable machine tools for on-site tasks.
• Interpret engineering drawings in accordance with nuclear standards.
• Conduct pre-use inspections and maintain safety records.

Skills

Attention to detail

Communication

Teamwork

Independent work

Education

NVQ Level 3 in Mechanical Engineering or Machining

Tools

Portable machine tools

Inspection tools

Job description

Job Title: Experienced On-Site Machinist
Location: Hinkley Point- Bristol
Department: Field Services / Mechanical Installation
Employment Type: Full-Time
Experience Level: Senior / Experienced
Duration – Minimum 12 month contract
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Job Summary:
We are seeking an experienced and safety-conscious On-Site Machinist to join our team on a nuclear construction site. This role involves executing precision machining operations using portable tools directly on-site, supporting construction and installation of critical systems. The ideal candidate will have strong technical skills, a proven track record in regulated environments, and a proactive attitude toward safety, quality, and compliance.
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Key Responsibilities:
• Set up and operate portable machine tools for on-site machining tasks (e.g., flange facing, line boring, milling, drilling).
• Interpret engineering drawings and technical work packages in accordance with nuclear standards (e.g., ASME, RCC-M).
• Perform precision machining to tight tolerances, supporting pipework, flange, and component installation.
• Conduct pre-use inspections, maintain tool calibration records, and manage equipment safety.
• Work closely with supervisors, QA/QC inspectors, welders, and other trades to integrate machining into broader site workflows.
• Complete job documentation, inspection records, and daily activity reports accurately.
• Follow strict health, safety, and environmental (HSE) procedures applicable to nuclear construction environments.
• Participate in toolbox talks, safety briefings, and daily work planning.
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Requirements:
Education & Experience:
• NVQ Level 3 or equivalent in Mechanical Engineering or Machining.
• Minimum 5 years’ experience in portable/on-site machining, with at least 2 years in nuclear or other regulated sectors.
• Previous work on large infrastructure or nuclear construction projects preferred.
Technical Skills:
• Proficiency with portable machine tools and associated tooling.
• Skilled in interpreting engineering and isometric drawings.
• Familiar with industry standards for nuclear construction and machining documentation.
• Competent with inspection tools such as micrometers, dial indicators, and bore gauges.
Certifications (Required/Preferred):
• CSCS or CCNSG Safety Passport (required)
• Confined Space / Working at Height (desirable)
Key Attributes:
• High attention to detail and commitment to safety and quality.
• Strong communication and teamwork skills.
• Ability to work independently in high-pressure, time-sensitive environments.
• Flexibility to work shifts, weekends, and travel as needed.
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What We Offer:
• Competitive compensation and site uplift (if applicable)
• Travel and accommodation support for qualifying roles
• Career development in a growing and essential industry
• Opportunity to work on a major nuclear infrastructure project


COMPANY INFORMATION
Stork UK, is an expert provider of maintenance, modification and asset integrity services to the global oil and gas, chemicals and process, metals and mining, power, and manufacturing industries. We are dedicated to improving asset performance, safety and cost efficiency for our Clients throughout the complete asset life cycle.
With a team of 19,000 employees in over 100 countries, we serve more than 4,000 Clients across 6 continents.
Stork UK is dedicated to reducing risk, assuring safety and reducing environment impact through our award-winning value driven HSEQ platform; Safer together Whilst safety will always remain our core value, the platform not only communicates on Safety but also on Health, Environmental and Quality issues too. We are committed to our transparent, employee-led approach to HSEQ.

One Team, One Stork
As one Stork, we treat all people with dignity, respect each other’s perspective and share knowledge and resources to achieve excellence, deliver value and grow individually and collectively.
We are fully committed to the elimination of unlawful and unfair discrimination and value the difference that a diverse workforce brings to the organisation. Stork recognises that providing equality of opportunity, valuing diversity and promoting a culture of inclusion and flexibility to our employees is vital to our success.
From school leavers and university graduates to transitioning military veterans, we provide career opportunities with targeted development programmes.
Going above and beyond for our wider community
Stork UK is dedicated to ensuring we are a socially and environmentally responsible employer and undertake a range of activities to give back and support the communities in which we live and work –from various charity work to working with schools as part of Developing Young Workforce.