Lead Platform Engineer

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 Lead 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. We are seeking a Platform Engineer to lead our UK platform engineering capability, based in London. This is a senior technical leadership role combining deep expertise in Azure/.NET and cloud-native platforms (Kubernetes) with strong stakeholder leadership and team development. You will act as the technical authority and leader across the UK, shaping platform strategy, harmonising engineering practices, and enabling high-quality, scalable digital delivery. You will lead the development and evolution of our internal platform ecosystem, ensuring it is secure, scalable, and developer centric. You will take full ownership of complex technical domains, influence senior stakeholders, and drive both strategic direction and hands-on technical excellence. Key responsibilities and duties include: Lead Platform Engineering in the UK: Stand up and own the UK platform engineering capability, acting as the central point for technical leadership and alignment across product teamsDefine Platform Strategy & Architecture: Set and drive the technical vision for the platform (Azure, Kubernetes, cloud-native), ensuring alignment with business goals and global practicesAct as Technical Authority: Provide deep technical leadership, solving complex platform challenges and guiding architectural decisions across teamsBuild & Evolve Platform Services: Design and continuously improve internal platform services (CI/CD, infrastructure, observability), treating the platform as a product with clear outcomesDrive Engineering Standards & Best Practices: Establish consistent patterns for security, scalability, and delivery, including Infrastructure as Code, DevOps, and SRE principlesEnable & Influence Delivery Teams: Work closely with product, engineering, and architecture stakeholders to improve developer experience and accelerate deliveryLead, Mentor & Grow Teams: Develop a high-performing engineering culture through coaching, mentoring, and technical leadershipStakeholder Management & Technical Leadership: Engage senior stakeholders, challenge constructively (“joust”), and influence decisions through strong communication and credibility. Candidate specification We are looking for a highly credible technical leader who combines deep engineering expertise with strong leadership and emotional intelligence. Technical Expertise: Strong experience in platform engineering, DevOps, or cloud engineering rolesDeep knowledge of Microsoft Azure and cloud platform architectureProven expertise in Kubernetes, containerisation, and cloud-native patternsExperience with Infrastructure as Code (e.g. Terraform, Bicep)Strong background in CI/CD, automation, and developer platform toolingExperience with .NET / C# ecosystems and modern software architectureSolid understanding of security, observability, and reliability engineering Leadership & Behavioural Capabilities: Demonstrated experience leading engineering teams and technical strategyStrong stakeholder management, with ability to influence senior technical and non-technical audiencesHigh emotional intelligence (EQ) – able to challenge, align, and build trust across teamsAbility to operate at multiple levels – from hands-on engineering to strategic leadershipProven capability to stand up or scale platform functions in complex environmentsCollaborative mindset with the confidence to challenge constructively and drive outcomes 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 reasonable.adjustments@mottmac.com 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 investors, just us, creating a culture of shared success.Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.As your career grows, so does your stake, recognising your long-term impact and contribution.Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.For our senior roles you will have a direct pathway towards ownership from day one. Health and wellbeing Private medical insurance for all UK colleagues.Health cash plan to support you with every day health costs and treatments.Access to Peppy, providing free support from menopause experts for all UK colleagues.A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too. Lifestyle A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.10 days additional paid leave for Armed Forces Reservists and Cadet Force Adult Volunteers.Holiday entitlement increased to a minimum of 35 days after 5 years’ service.Variety of employee saving schemes and discounts from high-street retailers. Enhanced family and carers leave Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.We offer policies and dedicated support to help military families balance service life with career and wellbeing. Learning and development Primary annual professional institution subscription.A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options. Networks, communities, and social outcomes Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.We are proud signatories of the Armed Forces Covenant and Gold Award holders in the MOD Employer Recognition Scheme, supported by our dedicated internal Armed Forces Network.Make a difference within our communities through our social outcomes. Apply now, or for more information about our application process, click here. Location(s): London, GB Contract Type: Permanent Work Pattern: Full Time Market: Various Discipline: Information technology Job Ref: 16046 Recruiter Contact: Alice Roostan