Mott MacDonald
Senior Safety Case Engineer
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Senior Safety Case Engineer – Energy Unit | Nuclear; Defence and Civil Division
Mott MacDonald
About Mott MacDonald
Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140 offices. We work across various sectors, delivering impactful projects that drive societal progress while empowering our employees to grow and succeed.
At Mott MacDonald, we foster a culture of collaboration, learning, and excellence. As an employee-owned business, we align our clients’ needs, community impact, and our team’s ambitions, creating an inclusive environment where everyone thrives.
About the Business Unit
The Energy Unit serves global clients in sectors such as:
- Hydropower
- Nuclear
- Waste management
- Renewable generation
- Transmission & distribution networks
We provide end-to-end engineering and project management, from design and construction to operations, decommissioning, repowering, and lifecycle extension. We play a critical role in accelerating the energy transition and deliver savings for our clients through expertise, efficiency, and innovation.
Role Overview
The Nuclear; Defence and Civil division within the Energy Unit is recruiting a Senior Safety Case Engineer to support key areas including:
- Nuclear power generation
- Naval nuclear programs
- Decommissioning activities
This is an opportunity to join a fast-growing team with strong career advancement prospects and the ability to influence engineering standards in the Energy Unit.
Key Responsibilities
This role requires expertise in one or more of the following areas:
- Safety Case Production (e.g., SJP, PCSR, PCmSR, PRS)
- Modification/Design Change Submissions (e.g., LC/AC 22)
- Decommissioning strategies & planning
- Functional Safety Assessments
- Regulatory interfaces & compliance
- ALARP (As Low as Reasonably Practicable) Assessments
- Safety & Risk Assessments
- Deterministic and Probabilistic Safety Assessment
- Nuclear safety legislation, regulation, and policy expertise
- Engineering substantiation for nuclear projects
- HAZOP, HAZAN, and other hazard identification studies
- Criticality analysis
- Nuclear fire safety assessments
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Candidate Requirements
Successful candidates will have:
- A degree in a Science, Technology, or Engineering discipline
- Direct experience in the nuclear or defence industries (though applicants from other regulated high-hazard industries will be considered)
- Chartered Engineer(Ing) status or a path to attaining it
- Proven ability to deliver complex nuclear safety strategies and technically robust outputs for project deliverables
- Strong mentoring skills, with a commitment to supporting junior colleagues effectively
- Eligibility for security clearance (mandatory for this role)
All offers are contingent upon obtaining the requisite Security Clearance.
Logistical Clarifications
UK Immigration Policy
Mott MacDonald does not currently offer sponsorship under the UK’s Skilled Worker visa route, reflecting government policy changes underway from April 2024. We welcome applications from candidates eligible for alternate immigration pathways that avoid sponsorship requirements.
Working at Mott MacDonald
Flexible Working
We recognise that effectiveness can best be achieved through a trust-based hybrid working model, balancing flexibility with performance. Our policy prioritises well-being, alignment with team/client goals, and maintaining momentum.
Inclusion & Diversity
We actively embed equality, diversity, and inclusion in everything we do, fostering an environment where all voices are valued. Progressing inclusion through policies and culture reduces barriers and ensures diverse talent stimulation.
Support for Disabled Candidates
If an adjustment is needed to help you apply or interview fairly, please email reasonable.adjustments@mottmac.com. We are committed to your success.
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Benefits
Health & Wellbeing
- Private medical insurance for all UK-based colleagues
- Health cash plan (with support for routine healthcare and treatments)
- Menopause support via our free Peppy wellness scheme
- Comprehensive wellbeing programmes (for you and your family)
You can adjust your salary allocation to elevate additional benefits, many of which are applicable to family members.
Financial Wellbeing
- Pension matching, bridging 4.5% - 7% of employee contributions
- Life assurance (up to £4x basic salary by default, with upsell to £6x)
- Income protection scheme for long-term sickness/injury
- Flexible rewards, such as:
- Increased life cover
- Critical illness insurance
- Payroll-savings options
- Will writing assistance
As an employee-owned company, we distribute success directly—across:
- Financial contributions to collective plans
- Annual discretionary bonuses
Lifestyle & Family Support
- 33-35 days (minimum) holiday each year (exclusive of public holidays, up to 35 days after 5 years of service, plus buy/sell leave options)
- Shopping discounts via employee schemes
- Family carer’s leave of 7 days (+ extra 5 days paid leave for significant long-term care)
Family Leave Protections
- 26 weeks paid maternity and adoption leave
- Two weeks paid paternity/partner leave
- Up to 24 weeks of paid shared parental leave, equivalent to maternity pay
Learning & Development
- Primary annual professional institution membership (fully subsidised)
- Personalised technical and soft skills training, mentorship, and coaching
Networking & Social Impact
- Advanced Employee Networks supporting LGBTQ+ individuals, gender/ethnicity groups, disability/parenting allies
- Opportunities to drive corporate social responsibility through community engagement
Ready to apply? Click here to learn more about our recruitment process or to submit your application.
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