Senior Platform Engineer

Mott MacDonald · London, London

Senior Platform Engineer at Mott MacDonald, based in London, London. This is a permanent role.

Salary
Competitive
Location
London, London
Contract
Permanent
Posted
7 hours ago
Closes
17 Nov 2026
Sector
DevOps Engineer

Reference job/London-Senior-Platform-Engineer/1374619157

About the role

Location/s: London, UK
Recruiter contact: Alice Roostan

 

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 incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. 


Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant.

 

 

Overview of the role

We are looking for a highly motivated individual to become a Senior Platform Engineer within our Digital Unit. The home office location is London, where you will join and become a key part of our global team and business.

 

We help our client’s put information at the heart of what they do and derive ever greater value from it. Our focus is the provision of outcome focused, game-changing results. This is powered by a unique combination of domain plus digital expertise, harnessing 120 years of engineering legacy alongside the power of cutting-edge technology, from both Mott MacDonald and our partners. By ‘connecting innovation to outcomes' we can continue to enable better outcomes across the planning, delivery, and operation of our client's asset base.

 

Key responsibilities and duties include:

  • Design, build and maintain a scalable and reliable internal developer platform
  • Develop and manage infrastructure as code using Terraform
  • Implement and manage Kubernetes clusters for container orchestration
  • Automate CI/CD pipelines using GitHub Actions
  • Work with the Product Manager to understand software developers needs and provide appropriate platform solutions
  • Ensure high availability and disaster recovery for platform services
  • Monitor and optimize platform performance and resource utilization
  • Implement security best practices and compliance measures
  • Document platform architecture, processes, and procedures
  • Stay updated with the latest industry trends and technologies in DevOps and platform engineering
  • Mentoring more junior members in the team in a global distributed team context
  • Further develop your skills across a modern technology stack and architecture
  • Continue contributing towards our collaborative and positive team culture

 

 

Candidate specification

We are seeking a dynamic and talented person with commercial experience and a passion for technology and innovation, who is ready to start taking steps towards leading a team. The successful candidate will be able to demonstrate strong experiences as a software developer and proficiency with at least one coding language (C#, Go, Python) and one scripting language (Powershell, Bash). The candidate should have a genuine interest in building platform automations that makes our developer-customers lives easier.

 

The successful candidate must be a team player and effective communicator, confident in their capability, whilst able to recognise areas for development. They should have a natural ability in nurturing best practice and consciousness in everyone. They must also be able to think creatively and should always be seeking new and more efficient ways to improve the platform and the associated development processes.

 

The candidate needs to be experienced in software development and building CI/CD automations. Good experience with data services (ideally on Azure) is an asset. You'll commit to high quality code and be able to pay attention to detail.

 

Essential:

  • Language proficiency amongst C#, Go, Python - Proficiency with scripting languages (e.g., Bash, Python)
  • Understanding of networking concepts and protocols
  • Knowledge of security best practices and tools
  • Proficiency with Terraform for infrastructure as code
  • Strong experience with Kubernetes for container orchestration
  • Proficiency with containerization technologies like Docker
  • Experience with GitHub Actions
  • Solid understanding of cloud platforms (Ideally Azure but AWS, GCP accepted)
  • Experience with observability tools (e.g., Prometheus, Grafana, ELK stack)
  • Working with and designing RESTful APIs
  • MSSQL, PostgreSQL or other SQL databases

 

Desirable:

  • Working in Agile teams (preferably following Scrum)
  • Building Kubernetes Operators
  • Architecture of new or current applications (microservices, design patterns, reliability, scaling, automation)

 

 

UK Immigration

Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

 

Agile working  

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well-being, flexibility, and trust.

 

Equality, diversity, and inclusion 

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

 

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at [email removed] and we will talk to you about how we can support you.

 

 

We offer some fantastic benefits including:

 

Financial wellbeing

  • We match employee pension contributions between 4.5% and 7%.
  • Life assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary.
  • Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury.
  • Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
  • As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.

 

 

Employee Ownership

  • Our employee ownership model means no external inves

Reference: job/London-Senior-Platform-Engineer/1374619157 · Posted 7 hours ago · Closes 17 Nov 2026 · Listed via Mott MacDonald

Know someone who'd be great for this? Get a shareable card

Apply for this job

This role is listed via Mott MacDonald. Applications are handled on the employer's site.

Apply on employer site

Opens the employer's website in a new tab.

Safe applying: a genuine employer will never ask you to pay for a DBS check, training or equipment, or move you onto WhatsApp before you are hired. If this listing does, report it and do not pay anything.

Report this job
Salary Competitive
Apply now