Senior Project Manager

Cavendish Nuclear; Warrington; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Generous holiday allowance

Matched contribution pension scheme

Access to a Digital GP

Employee share scheme

Professional fees payment

‘Be Kind Day’ for volunteering

Employee assistance programme

Job summary

Cavendish Nuclear is seeking a Senior Project Manager to lead complex infrastructure projects critical to national security and civil decommissioning. This role offers flexible working patterns with 2–3 days on-site in locations including Warrington.

The ideal candidate will have extensive experience in delivering major projects. The position includes a generous benefits package, including holiday trading, matched pension contributions, and development opportunities.

Qualifications

• Proven experience delivering major infrastructure projects with values exceeding £50 million.
• A strong track record of managing full Engineering, Procurement, and Construction (EPC) project lifecycles.
• Experience in regulated industries such as nuclear or defence.

Responsibilities

• Lead governance arrangements throughout the project lifecycle.
• Drive project performance through financial planning.
• Ensure compliance with health, safety, security, and quality standards.

Skills

Leadership of multidisciplinary teams

Earned Value Management expertise

Project delivery in regulated environments

Education

Project Management certification

Job description

Senior Project Manager

Location: Flexible, UK
Compensation: Attractive Salary + Benefits
Role Type: Full time / Permanent
Role ID: SF72231

Lead Complex Projects That Power National Security

At Cavendish Nuclear, we’re working to create a safe and secure world, together. If you join us, you can play your part as a Senior Project Manager at any of our key locations including Warrington (Cheshire), Bristol, Newbury (Berkshire) or Leicester (Leicestershire).

The role

As a Senior Project Manager, you will take a leading role in the successful delivery of complex, high-value infrastructure projects that are critical to both nuclear defence and civil decommissioning and fuels programmes. You’ll be responsible for ensuring projects are delivered safely, efficiently, and to the highest quality standards.

This is a full-time position working 37 hours per week. We offer flexible hybrid working patterns, with typically 2–3 days per week onsite, alongside occasional travel to other UK locations as required.

Day-to-day, You’ll Be Required To

• Lead governance arrangements, establishing clear roles, responsibilities, and accountabilities across the full project lifecycle
• Drive project performance through robust financial planning, cost control, and the effective application of Earned Value Management (EVM) techniques
• Champion continuous improvement by engaging project teams and adopting innovative tools, practices, and technologies
• Ensure the highest standards of health, safety, security, environmental, and quality (HSSEQ) compliance across all project activities
• Manage and inspire multidisciplinary teams spanning engineering, procurement, and commercial functions to achieve project objectives

Essential Experience Of The Senior Project Manager

• Proven experience delivering major infrastructure projects with values exceeding £50 million
• A strong track record of managing full Engineering, Procurement, and Construction (EPC) project lifecycles, from concept and design through to construction and commissioning
• Demonstrated leadership of large, multidisciplinary teams (typically 50+ people) within complex and highly regulated environments
• Practical expertise in applying Earned Value Management to enhance project control, reporting, and decision-making
• Experience gained within regulated industries such as nuclear, defence, utilities, petrochemical, or aerospace sectors

Qualifications For The Senior Project Manager

• Project Management certification or accreditation (such as Association for Project Management or Project Management Institute) is advantageous

Security Clearance

The successful candidate must be able to achieve and maintain Standard (BPSS) security clearance for this role. Further details are available at United Kingdom Security Vetting: clearance levels - GOV.UK.

What We Offer

• Generous holiday allowance
• Matched contribution pension scheme, with life assurance
• Access to a Digital GP, annual health check, and nutritional consultations through Aviva DigiCare+
• Employee share scheme
• Employee shopping savings portal
• Payment of Professional FeesReservists in the armed forces receive 10-days special paid leave
• Holiday Trading is a benefit that allows UK Cavendish employees to buy additional leave or to sell up to one working week of annual leave from their annual entitlement. This Window opens February through to March annually.
• ‘Be Kind Day’ enables employees to take one working day's paid leave a year (or equivalent hours) to undertake volunteering work with their chosen organisation or registered charity
• Excellent development opportunities and benefits package including an employee assistance programme supporting physical, mental and financial wellbeing.

Equal Opportunity Statement

We are a disability confident committed employer. If you have a disability or need any reasonable adjustments during the application and selection stages, please email [e-mail] with the subject header ‘Reasonable adjustments requirement’. We’re committed to building an inclusive culture where everyone’s free to thrive. We are happy to talk about flexible working – please ask about alternative patterns of work at interview.

Closing date: 29/06/2026