Senior Platform Engineer; AWS

Join Kainos and shape the future! At Kainos, we’re problem solvers, innovators, and collaborators – driven by a shared mission to create real impact. Whether we’re transforming digital services for millions, delivering cutting‑edge Workday solutions, or pushing the boundaries of technology, we do it together.
We believe in a people‑first culture
, where your ideas are valued, your growth is supported, and your contributions truly make a difference. Here, you’ll be part of a diverse, ambitious team that celebrates creativity and collaboration.
Ready to make your mark?
Join us and be part of something bigger.

As a Senior Platform Engineer – AWS (Senior Associate) in Kainos, you’ll lead the design of significant components of a modern digital service platform, including automation, build, deployment, and support. It’s a fast‑paced environment, and you’ll be trusted to make sound, reasoned decisions while learning about new technologies and approaches with talented colleagues that will help you learn, develop, and grow.

• Working as part of a team – You’ll collaborate with colleagues in engineering, testing, consulting, product management, and security to build, test, and deploy software of the highest quality.
• Using technology for positive impact – You’ll ensure the latest technologies are employed appropriately to extract maximum user and business benefit. You’ll ensure alignment to industry standards and best practices.
• Putting people first – you’ll support your colleagues and facilitate an inclusive Dev Ops culture in all that you do.
• Finding your voice – As a respected voice within your team and to our customers, you’ll drive conversations and decisions to ensure services are scalable, secure, reliable, and performant.
• Supporting services through Live Operation – Getting services into production is just the beginning – the fun truly starts when real users interact with the service you’ve built. You’ll make sure the service is available, secure, and performant as you strive to continuously improve it.
• Becoming a role model – You’ll embody the Kainos values and be the person people look up to. You’ll proactively coach and mentor more junior members of the team.
• Pushing the boundaries – Through exposure to technology you may develop specialisms and choose to pivot your career in a certain direction.

• Proven ability to work in multidisciplinary teams.
• Good verbal and written communication skills, with the ability to convey issues to both technical and non‑technical people.
• Significant expertise in configuration management, infrastructure provisioning, and automation tools.
• Fluency in at least one of the following:
  Power Shell, Bash, Python, Ruby, Go, Groovy.
• Demonstrable experience in designing, building, testing, automating, monitoring, and supporting significant components within a modern digital service platform in production environments.
• Producing designs that are scalable, resilient, efficient, secure, cost‑effective, and minimise lock‑in.
• Contributing to technical decisions and direction in a collaborative team environment, including architecture, estimation, product planning, user story/requirement creation, and advocating MVP.
• Implementing modern Continuous Delivery processes for releasing software to production.
• Applying industry best practices and patterns across infrastructure and application components (e.g., security, elasticity, performance).
• Using public cloud platforms (AWS) and related tooling to solve business problems.
• Using configuration management, infrastructure provisioning, and container orchestration tooling to solve business problems.
• Using modern version control systems, including git.
• Debugging complex problems across multiple servers, services, and tools – you can find the needle in the haystack.
• Active SC Clearance or eligibility required.

• Third level or equivalent qualification in a related discipline.
• Mid‑level certification with a public cloud provider (AWS/Azure).
• Active participation in knowledge‑sharing activities, both within the team and with wider non‑technical…