Staines, United Kingdom | Posted on 30/06/2025
We are seeking a Senior DevOps Engineer to lead the migration of multiple applications and services into a new AWS environment. This role requires a strategic thinker with hands-on technical expertise, a deep understanding of DevOps best practices, and the ability to guide and mentor other engineers. You will work closely with architects and technical leads to design, plan, and execute cloud-native solutions with a strong emphasis on automation, scalability, security, and performance.
Key Responsibilities:
Take full ownership of the migration process to AWS, including planning and execution.
Work closely with architects to define the best approach for migrating applications into Amazon EKS .
Mentor and guide a team of DevOps Engineers, assigning tasks and ensuring quality execution.
Design and implement CI/CD pipelines using Jenkins, with an emphasis on security, maintainability, and scalability.
Integrate static and dynamic code analysis tools (e.g., SonarQube ) into the CI/CD process.
Manage secure access to AWS services using IAM roles, least privilege principles, and container-based identity (e.g., workload identity).
Create and manage Helm charts for Kubernetes deployments across multiple environments.
Conduct data migrations between S3 buckets, PostgreSQL databases, and other data stores, ensuring data integrity and minimal downtime.
Troubleshoot and resolve infrastructure and deployment issues, both in local containers and Kubernetes clusters.
Required Skills & Expertise:
CI/CD & DevOps Tools:
Jenkins pipelines (DSL), SonarQube, Nexus or Artifactory
Shell scripting, Python (with YAML/JSON handling)
Git and version control best practices
Kubernetes (services, ingress, service accounts, RBAC, DNS, Helm)
AWS services: EC2, EKS, S3, IAM, Secrets Manager, Route 53, WAF, KMS, RDS, VPC, Load Balancers
Experience with IAM roles, workload identities, and secure AWS access patterns
Network fundamentals: subnets, security groups, NAT, TLS/SSL, CA certificates, DNS routing
Databases:
Web & Security Concepts:
NGINX, web servers, reverse proxies, path-based/host-based routing
Session handling, load balancing (stateful vs stateless)
Security best practices, OWASP Top 10, WAF (configuration/training), network-level security, RBAC, IAM policies
Candidate Expectations:
The ideal candidate should be able to:
Explain best practices around CI/CD pipeline design and secure AWS integrations.
Demonstrate complex scripting solutions and data processing tasks in Bash and Python.
Describe container lifecycle, troubleshooting steps, and security hardening practices.
Detail Kubernetes architecture, Helm chart design, and access control configurations.
Show a deep understanding of AWS IAM, networking, service integrations, and cost-conscious design.
Discuss TLS certificate lifecycle, trusted CA usage, and implementation in cloud-native environments.
Preferred Qualifications:
AWS Certified DevOps Engineer or equivalent certifications.
Experience in FinTech, SaaS, or other regulated industries.
Knowledge of cost optimization strategies in cloud environments.
Familiarity with Agile/Scrum methodologies.
Certifications or experience with ITIL or ISO 20000 frameworks are advantageous.
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