Senior Methods Engineer

Frazer-Nash Consultancy; Newton Solney CP; Hybrid; GBP 55,000 - 70,000; Full time

Benefits offered by this job

Hybrid working

25 days holiday

Private healthcare membership

Company pension scheme

Professional development

Job summary

Frazer-Nash Consultancy is seeking a Senior Methods Engineer to advance physics-based software in nuclear domains. The role sits within the Nuclear Software team and involves designing, implementing, and delivering robust software for analysis and safety-related applications.

You will work across lifecycle stages, mentoring juniors, interfacing with clients, and contributing to technical direction and proposal development.

Qualifications

• Proven experience in engineering, science, or software development.
• A degree or PhD in STEM.
• Experience with programming in Python, MATLAB or Fortran.
• Experience in physics-based analysis (structural, thermal, fluids, multi-physics, neutronics).
• Experience translating mathematical methods into robust code.
• Familiarity with Git and CI/CD pipelines.
• Experience across the full software development lifecycle.
• Knowledge of software testing techniques.
• Strong analytical and problem solving skills.
• Excellent communication with clients and stakeholders.
• Sole UK nationality.

Responsibilities

• Design, develop, and maintain high quality software components, with focus on robustness and performance.
• Translate mathematical methods into software requirements and develop tests.
• Work closely with clients and subject matter experts, often on site, to translate requirements into software solutions.
• Contribute to defining and evolving software architecture balancing performance and maintainability.
• Participate in code reviews, debugging, and profiling to improve code quality.
• Support and mentor junior developers through technical guidance and reviews.
• Over time, guide technical direction and manage project work.
• Help develop client relationships and contribute to proposals.
• Thrive in consultancy, solving high-consequence challenges.

Skills

Engineering experience

Python

MATLAB

Fortran

Git

CI/CD

Analytical thinking

Problem solving

Education

STEM degree

PhD in STEM

Tools

Git

CI/CD tools

Job description

Title:

Senior Methods Engineer

Salary range: £55,000 to £70,000 per annum

Location: Burton upon Trent

Working Pattern: We operate a flexible hybrid working pattern at Frazer-Nash, with time split between the office, client sites and working from home. This role would require the applicant to be available to work at a client sites in the Derby area when required.

Closing date: 25th October 2026

INTEREST

Are you an engineer, scientist or software developer who enjoys solving complex problems and wants to grow into a technical leadership role? This position sits within the Nuclear Software team in Frazer‑Nash Consultancy’s Software and Digital Architecture capability, where our safety‑related software enables the safe design, analysis, operation and decommissioning of nuclear power plants. You will be part of a multidisciplinary team working at the intersection of software engineering, physical sciences, and safety case.

You will be involved in all stages of the software development lifecycle including implementing and deploying new applications, improving and advancing in‑service software, user experience and graphical user interface design. This role has a particular focus on physics‑based software in domains such as structural analysis and assessment, thermal analysis, fluid dynamics and core physics, where both domain knowledge and software development skills are required to deliver robust software applications.

This is an excellent opportunity for someone who wants to deepen their software development and physics‑based analysis expertise while developing the skills needed to mentor others, influence technical direction, and lead work packages or projects. This role will provide the successful candidate with exposure to nationally significant projects, contributing to the UK’s national security, energy security and net zero ambitions.

DUTIES AND RESPONSIBILITIES

You will be expected to:

• Design, develop, and maintain high quality software components, with a focus on robustness, performance, and maintainability.
• Translate mathematical methods into software requirements, implement robust solutions in code, and develop test frameworks to verify correctness.
• Work closely with clients and subject matter experts, often on site, to understand requirements and translate them into effective software solutions.
• Contribute to defining and evolving software architecture, balancing performance, scalability, and long term maintainability.
• Participate actively in code reviews, debugging sessions, and performance profiling to improve code quality across the team.
• Support and mentor junior developers through technical guidance, constructive review, and knowledge sharing.
• Over time, take responsibility guiding technical direction and contributing to the planning, delivery and management of project work.
• Help develop client relationships and contribute to development of new business, such as through writing winning proposals.
• Thrive in a consultancy environment solving real‑world, high‑consequence challenges.

EXPERIENCE REQUIRED

We are looking for someone who has:

• Proficient professional experience in an engineering, scientific or software development role.
• A degree or PhD in a STEM (Science, technology, engineering or mathematics) subject.
• Experience with programming in a least one of Python, MATLAB or Fortran.
• Experience in physics‑based analysis such as structural analysis, thermal analysis, fluid dynamics, multi‑physics, material modelling or core neutronics.
• Experience of translating mathematical methods into robust computer code.
• Familiarity with collaborative development practices, including Git and CI/CD pipelines.
• Experience working across the full software development lifecycle, including design, implementation, testing, and maintenance.
• Knowledge of software testing techniques and a commitment to writing reliable, maintainable code.
• Strong analytical and problem solving skills, with the ability to work effectively both independently and as part of a multidisciplinary team.
• The confidence and communication skills to work directly with clients and technical stakeholders.
• Sole UK nationality, due to the nature of the work.

Desirable experience includes:

• Experience working in the nuclear sector.
• Experience in a technical consultancy environment.
• Practical experience applying object oriented design principles and modular software architectures.
• Experience of safety‑related software development against relevant industry standards.
• Experience in development with Fortran 90.
• Experience in using high performance computing.

Due to the nature of the work that Frazer‑Nash Consultancy undertake, candidates will be required to undergo pre‑employment screening and must be able to satisfy clearance criteria for UK National Security Vetting.

BENEFITS

We provide our people with an excellent benefit and offering package that comprises:

• Competitive salary with yearly reviews
• 25 days holiday + the opportunity to buy 5 days.
• A company that has its heart in the right place and a welcoming work culture.
• Happy to talk flexible working
• Enhanced parental benefits
• Company pension scheme
• Targeted professional development
• Life assurance
• Private healthcare membership
• Bonus scheme linked into company performance
• Paid membership fees to a professional institution
• Support in attaining professional membership
• Cycle to work scheme
• Season rail ticket loan
• And further optional benefits you can tailor to your personal requirements