Principal flow assurance engineer Work, Jobs in Harwell, Oxf (with Salaries)

Principal Mechanical Engineer
Orano —Abingdon
- Full-time
- Hybrid work
- Engineering
- Maintenance
- Mechanical knowledge
- Annual leave

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Principal Mechanical Engineer

Orano -
Abingdon

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Job details

Permanent | Full-time

Benefits

Annual leave
Company pension
Private medical insurance

Qualifications

Mechanical engineering
Engineering
Mechanical Engineering
Maintenance
Mechanical knowledge

Full job description

General Information

Name

Principal Mechanical Engineer

Ref #

14479

Posting Date

Wednesday, May 6, 2026

Country

United Kingdom

Region

Oxfordshire

City

Abingdon

Business Unit (BU)

Type of Employment

Permanent/Regular

Desired Starting Date

29-06-2026

Work Schedule

Full time

Remote Work

Hybrid

Job

TA - STUDIES & DESIGN

Description

Location: Warrington or Abingdon

Within the Engineering team, the Mechanical Engineer will integrate operational engineering multi-disciplines teams delivering projects at various phases, from FEED to commissioning, or in assistance to Plant Operation in the UK. Responsibilities will include:

Delivering and managing technical studies.
Design of mechanical processes, from strategic and conceptual phases to detailed design and construction & commissioning phase support. Typical deliverables will be issued: technical note, substantiation notes, mechanical flow diagrams and flow-sheets, mechanical drawings, P&IDs, and mechanical layout drawings, hazards and malfunctions management, technical specification documentation review from supply chain.
Technical studies related to mechanical handling for both handling operations and heavy mechanical transfer systems, powder mechanical processes (transport, milling, and compaction) in high active environment and gloveboxes, compaction and mechanical dismantling technologies.
Technical networking within Orano, including with Orano experts.

Requirements

Qualifications and experience needed

A degree in Mechanical Engineering, or other relevant degree.

8+ years experience as a Mechanical Engineer.
Knowledge of engineering design (development, FEED, detailed design, technical specification, documentation review from supply chain) and engineering team management in the nuclear industry or other regulated sectors.
Knowledge of mechanical studies delivery (Mechanical handling, powder technologies) considering manufacture, testing, construction commissioning, operation, maintenance recovery and decommissioning aspects.
Experience of delivering projects for Sellafield or Magnox sites (desirable).
Member of a professional body (desirable).

Skills required

Ability to confidently liaise with external stakeholders and team members, both oral and written.
Ability to independently seek out or develop one’s own answer to challenging technical questions.
Ability to organise one’s own time and the time of others to ensure internal / external deadlines are achieved and Client expectations are exceeded.
Desire to lead and support the development of more junior members of the team.

Additional

The successful candidate must, by the start of employment, have permission to work in the UK, and be willing to undergo a security vetting process. Offers of employment will be subject to relevant security clearance being granted.

Travel to other Orano offices and client sites may be necessary. You should be willing to work flexibly to accommodate project and client requirements.

Benefits

Competitive Salary

Private Medical Insurance at Single, Partner and Family levels

Non Contributory Pension Scheme

25 days annual leave (plus bank holidays) increasing by 1 day per year of service up to a cap of 30

Group Life Assurance of 4 times annual salary and Group Income Protection scheme for long term sickness

Enhanced Maternity Pay

Orano Group

Working on current and future challenges to power and preserve our world, build the one of tomorrow, and improve life for our communities - that’s exciting for you. For us, too. By joining Orano, a leading international player in the nuclear sector, you’re in the right place.

Every day, employees at Orano work to produce efficient and reliable nuclear energy, fight climate change, find solutions that conserve natural resources, and advance progress in healthcare.

Our strengths are throughout the entire nuclear fuel cycle: mastery of cutting-edge technologies, safe and high value-added products and services, specialized expertise, and strong innovation capabilities. These are just some of the qualities that showcase the exceptional skills of our 18,000 employees and their continuous learning, which we support. Diverse in profiles and experience - proof of our openness to all talent - they share the same ambition: to unlock the full value of nuclear energy.

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Principal Mechanical Engineer

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Orano Group

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