DevOps Engineer

Sinara; Greater London; Hybrid; GBP 50,000 - 60,000; Full time

Benefits offered by this job

Hybrid office/home working

Central London location

Training and certification support

Pension and protection benefits

Job summary

Sinara is seeking a DevOps Engineer to join the Tech Ops team in London. You will own cloud platforms, container platforms, and automation initiatives, partnering with developers to deliver reliable, secure software at scale.

You will build reproducible infrastructure, maintain CI/CD pipelines, and ensure high availability while mentoring colleagues and driving best practices across the team.

Qualifications

• Hands-on DevOps with cloud platforms and container orchestration.
• Experience building and maintaining CI/CD pipelines.
• Strong knowledge of AWS and Kubernetes in production.
• Familiarity with IaC tools and GitOps workflows.

Responsibilities

• Create and operate CI/CD pipelines for automated software delivery.
• Manage AWS-based, containerised workloads and Kubernetes clusters.
• Implement IaC and GitOps to maintain repeatable environments.
• Monitor reliability, performance, and incident response across platforms.
• Collaborate with developers to translate requirements into scalable infrastructure.

Skills

DevOps practices

CI/CD

AWS cloud

Kubernetes administration

Linux systems

Infrastructure as Code

GitOps

Monitoring & observability

Networking basics

Security best practices

Education

AWS Solutions Architect (cert)

CKA/CKAD (cert)

Terraform certification

Tools

Docker

Kubernetes

AWS

Terraform

CloudFormation

GitHub Actions

GitLab CI

Azure DevOps

Jenkins

Helm

ArgoCD

Prometheus

Grafana

CloudWatch

ELK

Job description

Salary: Depending on experience (£50000-£60000) + Bonus+ Benefits

Years Experience: 3 years in relevant experience

Job Type: Permanent, Full-Time

Working Pattern: Monday to Friday

Start Date: ASAP

About Sinara

Sinara is a well-established software house based in London, offering software development services and products to exchanges, financial institutions, and market data vendors. We provide robust technical expertise and adopt a pragmatic, flexible approach to delivering and supporting business‑critical IT systems.

Engineering and technology is at the heart of everything we do, and we're looking for a DevOps 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.

The Role

As a DevOps Engineer, you will join the team that is responsible making sure software can be built, tested, deployed, monitored, and kept running reliably. You'll play a key role in creating infrastructure reproducibly, work with containerised workloads, build automated CI/CD pipelines and collaborating with the rest of the team.

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.

Key Responsibilities

• Work with Docker and often Kubernetes
• Support production and non‑production environments hosted in AWS.
• Replace repetitive manual processes with scripts and automation.
• 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
• Contribute to developing and maintaining Infrastructure as Code (IaC).
• Support and improve CI/CD pipelines and release automation processes.
• Implement and maintain monitoring, alerting, logging, and observability solutions.
• 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 Overnight on‑call rota.
• Mentoring other members of the team.
• 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 pipelines 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.
• 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).

What We're Looking For

• 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.

What We Offer

• 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
• Income Protection Insurance