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Platform Engineer

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Platform Engineer

Location: Bermondsey, London (Hybrid)
Salary: Depending on experience (£60000-£70000) + Bonus+ Benefits
Years Experience: 5 years in relevant experience
Job Type: Permanent, Full-Time
Working Pattern: Monday to Friday
Start Date: ASAP

We are looking for a Platform Engineer to join our Technology Operations team and help us build, maintain, and improve the cloud platforms that support our applications and customers.
You will become part of a close-knit Tech Ops team of 13 professionals spanning Infrastructure, Application Support, and DevOps. This is an excellent opportunity to take ownership of cloud-hosted applications, modern container platforms, and automation initiatives while working closely with developers and operational teams.

About the role

As a Platform Engineer, you will be responsible for the management, reliability, performance, and continuous improvement of our Kubernetes infrastructure. You’ll play a key role in operating and enhancing our Kubernetes environments, containerised workloads, CI/CD pipelines, and cloud infrastructure.

This is a hands-on role suited to someone who enjoys solving complex technical challenges, improving platform resilience, and enabling development teams to deliver software efficiently and securely.

About you

  • A proactive and pragmatic problem-solver.
  • Strong communication and stakeholder management skills.
  • Someone who enjoys collaborating across infrastructure, support, and development teams.
  • A passion for automation and continuous improvement.
  • The ability to work independently while contributing positively to a team environment.

Your essential skills

  • Strong experience administering and supporting AWS cloud environments.
  • Hands-on experience with Kubernetes in production environments.
  • Strong understanding of container technologies including Docker and Kubernetes.
  • Experience managing cloud-native applications and microservices architectures.
  • Experience with Infrastructure as Code tools such as Terraform or CloudFormation.
  • Knowledge of CI/CD platforms and deployment automation.
  • Experience with monitoring and observability tools such as CloudWatch, Prometheus, Grafana, ELK, or similar.
  • Good understanding of Linux systems administration.
  • Experience troubleshooting complex application and infrastructure issues.
  • Knowledge of networking principles including DNS, load balancing, firewalls, and TLS/SSL.
  • Experience working within DevOps or Site Reliability Engineering practices.

Your attributes

  • Experience with Amazon EKS.
  • Exposure to GitHub Actions, GitLab CI, Azure DevOps, or Jenkins.
  • Knowledge of security best practices within AWS and Kubernetes.
  • Experience with Helm, ArgoCD, or other GitOps tooling.
  • Familiarity with PostgreSQL, MySQL, or other database technologies.
  • Experience supporting SaaS platforms.
  • AWS certifications such as AWS Solutions Architect or AWS SysOps Administrator.
  • Kubernetes certifications (CKA, CKAD, or similar).

Role specifics

Key Responsibilities

  • Architecting and maintaining internal developer platforms.
  • Manage and support production and non-production environments hosted in AWS.
  • Operate, maintain, and optimise Kubernetes clusters and containerised applications.
  • Monitor platform health, performance, availability, and capacity.
  • Investigate and resolve platform, infrastructure, and application-related incidents.
  • Work closely with Development, DevOps, and Application Support teams to improve system reliability and deployment processes.
  • Collaborating with developers work closely with software engineers and operations teams to understand business requirements and translate into technical solutions
  • Develop and maintain Infrastructure as Code (IaC).
  • Support and improve CI/CD pipelines and release automation processes.
  • Implement and maintain monitoring, alerting, logging, and observability solutions.
  • Drive platform security, vulnerability management, patching, and compliance activities.
  • Participate in technical projects including platform upgrades, migrations, and cloud transformation initiatives.
  • Contribute to disaster recovery, business continuity, and high-availability strategies.
  • Create and maintain technical documentation, standards, and operational procedures.
  • Participate in an on-call rota where required.
  • Make sure that the same security and deployment standards are present across the whole infrastructure.

What we offer

  • Competitive salary
  • Two profit-share bonus schemes
  • Hybrid office/home working arrangement
  • Central London location: Bermondsey office, 5 minutes from London Bridge Station.
  • Training and certification support.
  • Opportunity to influence the future direction of our cloud platform.
  • Exposure to modern AWS and Kubernetes technologies.
  • Friendly and collaborative working environment.
  • Other Benefits:
  • Company pension and pension salary sacrifice options
  • Private Healthcare
  • Income Protection Insurance

 

Sinara is only able to hire people who already possess the right to work in UK and cannot provide employer visa sponsorship.

About Sinara

Sinara is a well-established London-based software house providing software development services and software products to exchanges, financial institutions and market data vendors. We combine strong technical expertise with a pragmatic, flexible approach to deliver and support business-critical IT systems. We are based just south of Tower Bridge and are well located in the thriving Bermondsey district with excellent transport links including quick and easy access to London Bridge.

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, age, religion or belief, sexual orientation, or relationship status.

To Apply

Please send your CV, along with a covering letter and your salary expectations to recruitment@sinara.co.uk and our recruitment team will be in touch.

Please use the following subject line for your email:

Platform Engineer

Apply Here

Note to Recruitment Agencies:
Sinara does not seek or acknowledge unsolicited Agency actions.

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