Lead Platform Engineer

Atos SE; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

25 days annual leave

Life Assurance

Income Protection

Pension contribution matched up to 10%

Flexible benefits

Job summary

Atos is seeking a Lead Platform Engineer to design, deliver and operate enterprise platforms supporting major client transformation programmes. The role blends hands-on engineering with people leadership and customer engagement to ensure secure, scalable platform solutions aligned to business outcomes.

The successful candidate will work with client stakeholders, architects and programme teams, driving automation, DevOps practices and modern platform patterns across Azure/AWS and containerised

Qualifications

• Significant experience delivering cloud and platform solutions within complex enterprise environments (Azure / AWS).
• Strong consulting and stakeholder management skills.
• Experience leading technical workshops and architecture discussions.
• Strong Azure expertise and cloud‑native engineering experience.
• Kubernetes, containerisation and modern platform engineering experience.
• Strong knowledge of CI/CD, automation and Infrastructure as Code.
• Experience operating within regulated, secure or mission‑critical environments.
• Strong communication and presentation skills.
• Experience leading and developing engineering teams.

Responsibilities

• Lead the design and delivery of cloud and platform solutions for major client programmes.
• Build trusted relationships with client technical and delivery stakeholders.
• Act as the senior platform engineering representative in client meetings, workshops and governance forums.
• Provide technical leadership during discovery, architecture, mobilisation and delivery phases.
• Lead and mentor a team of platform engineers.
• Define platform standards, engineering patterns and operational best practices.
• Drive automation through Infrastructure as Code and CI/CD pipelines.
• Ensure platforms are secure, resilient and compliant with client and regulatory requirements.
• Support solution development, estimates, bid responses and technical assurance activities.
• Collaborate with architects, engineering teams and programme leaders to resolve complex technical challenges.
• Act as the escalation point for critical platform and infrastructure issues.
• Drive continuous improvement, cost optimisation and operational excellence.

Skills

Cloud platforms

Stakeholder management

Azure expertise

Kubernetes

CI/CD

IaC

Regulated environments

Communication

Team leadership

Client engagement

Tools

Terraform

Grafana

Prometheus

OpenTelemetry

Azure Monitor

Job description

Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.

With more than 52,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.

Atos Group is a global leader in digital transformation with c. 54,000 employees and annual revenue of c. €7.2 billion, operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.

About Our Team

Our egineering team brings together experienced engineers, diverse perspectives, and a flat team structure that enables visibility and impact from day one. With 40–50 professionals across the practice, we deliver some of the most exciting projects in the market — from next‑generation fintech payment platforms to global insurance systems deployed across multiple countries.

The role requires Security Clearance or ability to get SC in short timescales.

About the Role

The Lead Platform Engineer is responsible for the design, delivery and operation of enterprise platforms supporting major client transformation programmes.

Acting as both a technical leader and trusted client advisor, the role combines hands‑on engineering, people leadership and customer engagement. The successful candidate will work directly with client stakeholders, architects and programme teams to ensure platform solutions are secure, scalable and aligned to business outcomes.

Where Purpose Meets Career

Platform Engineering & Cloud Technology

This role offers the opportunity to work across a modern technology landscape, including cloud platforms, infrastructure as code, DevOps toolchains, observability, security, and automation technologies. You will help shape platform capabilities that accelerate software delivery, improve reliability, and enhance the developer experience. Working alongside highly skilled engineers and architects, you will continuously expand your expertise while selecting and implementing the most appropriate technologies and platform patterns to solve complex business and technical challenges.

Contribute to diverse and meaningful projects

From automating government client systems and delivering large‑scale platform migrations, to applying AI to enhance our products — including next‑generation fintech payment platforms and global insurance systems deployed across multiple countries.

Culture

Our culture is built by people who genuinely love technology. We value curiosity, collaboration, and continuous learning, and we actively support innovation and knowledge sharing.

Key Responsibilities

• Lead the design and delivery of cloud and platform solutions for major client programmes.
• Build trusted relationships with client technical and delivery stakeholders.
• Act as the senior platform engineering representative in client meetings, workshops and governance forums.
• Provide technical leadership during discovery, architecture, mobilisation and delivery phases.
• Lead and mentor a team of platform engineers.
• Define platform standards, engineering patterns and operational best practices.
• Drive automation through Infrastructure as Code and CI/CD pipelines.
• Ensure platforms are secure, resilient and compliant with client and regulatory requirements.
• Support solution development, estimates, bid responses and technical assurance activities.
• Collaborate with architects, engineering teams and programme leaders to resolve complex technical challenges.
• Act as the escalation point for critical platform and infrastructure issues.
• Drive continuous improvement, cost optimisation and operational excellence.

Essential Skills & Experience

• Significant experience delivering cloud and platform solutions within complex enterprise environments (Azure / AWS).
• Demonstrable experience working directly with external clients and senior stakeholders.
• Strong consulting and stakeholder management skills.
• Experience leading technical workshops and architecture discussions.
• Strong Azure expertise and cloud‑native engineering experience.
• Kubernetes, containerisation and modern platform engineering experience.
• Strong knowledge of CI/CD, automation and Infrastructure as Code.
• Experience operating within regulated, secure or mission‑critical environments.
• Strong communication and presentation skills.
• Experience leading and developing engineering teams.

Desirable Skills & Experience

• Experience delivering platform and cloud solutions within Government, Defence, Critical National Infrastructure or other highly regulated environments.
• Strong understanding of DevSecOps, security-by-design and platform governance principles.
• Experience with AWS and multi‑cloud architectures.
• Experience operating and governing Kubernetes platforms at enterprise scale.
• Knowledge of modern observability and monitoring tools such as Grafana, Prometheus, OpenTelemetry and Azure Monitor.
• Experience designing and supporting hybrid cloud environments.
• Familiarity with Internal Developer Platforms and self‑service engineering models.
• Experience leading large‑scale cloud migration and application modernisation programmes.
• Knowledge of Site Reliability Engineering (SRE) principles and operational excellence practices.
• Experience with enterprise networking, identity management and Zero Trust architectures.
• Exposure to data and AI platforms.
• Relevant industry certifications, such as Azure, AWS, Kubernetes or Terraform.

• 25 days annual leave, with the option to purchase additional days
• Life Assurance
• Income Protection
• Pension contribution matched up to 10%
• Flexible benefits, allowing you to tailor your package around wellbeing, family support, and more

Selection Process

• Recruiter introduction
• Online test (approximately 35 minutes, completed in your own time)
• Technical interview with the Head of Gen AI Practice
• Live coding session with a future colleague
• (All interviews are conducted via MS Teams.)

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all. As a Disability Confident employer, we encourage applications from all applicants, especially, differently abled applicants. We aim to ensure that those who meet the minimum criteria for this position will be offered an interview. We are committed and willing to making reasonable adjustments to the application and assessment process to accommodate your needs.

We are also a care leaver-friendly employer.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.