Senior Cloud Engineer (AWS)

Entrust; Cambridge; On-site; GBP 90,000 - 140,000; Full time

Job summary

Entrust in Cambridge is seeking an experienced Cloud Engineer to design, implement and maintain a scalable AWS cloud infrastructure to support our microservices-based applications.

The role demands deep expertise in AWS/EKS, Kubernetes, Terraform or OpenTofu, Istio, and CI/CD with Jenkins, plus strong scripting (Bash, Python) and collaboration skills for day-2 operations like upgrades, backups and cost optimization.

Qualifications

• 8+ years in IT infrastructure with at least 3+ years in AWS cloud.
• Deep understanding of Kubernetes architecture and AWS EKS.
• Strong knowledge of core AWS services like EC2, VPC, S3, IAM, CloudWatch.
• Experience with Splunk and Datadog configuration.
• IaC experience using Terraform or OpenTofu.
• Hands-on management of EKS clusters.
• Experience with Istio service mesh integration with Kubernetes.
• CI/CD with Jenkins or similar tools.
• Scripting in Bash and Python for automation.
• Excellent communication and collaboration.
• Experience day-2 operations (upgrades, backups, cost optimization).

Skills

AWS cloud expertise

Kubernetes (EKS)

Terraform / OpenTofu IaC

CI/CD (Jenkins)

Scripting (Bash Python)

Monitoring/Logging (Datadog Splunk)

Istio service mesh

Cloud security best practices

Linux/Unix administration

Communication & collaboration

Education

Bachelor’s degree in Computer Science or related field

Tools

OpenTelemetry

Helm charts

Docker

Git

Job description

About the Role:

We are seeking an experienced and passionate Cloud Engineer to join our team and manage our AWS cloud infrastructure. You will be responsible for designing, implementing, and maintaining a robust and scalable infrastructure to support our microservices-based applications. This role requires a deep understanding of AWS services (AWS EKS) , containerization, Kubernetes, and Infrastructure as Code (IaC).

Mandatory Skills:

• 8+ years of experience in IT infrastructure or a related field with at least 3+ years of experience in AWS cloud environments.
• Deep understanding of Kubernetes architecture, concepts, and resource management w.r.t AWS EKS clusters
• Strong understanding of AWS core services like EC2, VPC, S3, IAM, CloudWatch.
• Strong Knowledge in configuring and maintaining SPLUNK and datadog.
• Extensive experience with Infrastructure as Code (IaC) using Terraform or OpenTofu.
• Hands-on experience with managing and operating EKS clusters environments.
• Experience with service mesh technologies like ISTIO and its integration with Kubernetes.
• Solid understanding of CI/CD principles and experience with Jenkins or similar tools.
• Strong scripting skills (Bash, Python) for automation and troubleshooting.
• Excellent communication and collaboration skills.
• Experience in implementing day-2 (upgrades, backup & restore, cost optimization etc.)

Desired Skills:

• Knowledge of container security best practices and tools.
• Knowledge of creating Helm charts.
• Familiarity with monitoring and logging tools using Open Telemetry Tools
• Experience with disaster recovery and business continuity planning for cloud environments.
• AWS certifications (e.g., Solutions Architect, Sysops Administrator, AWS Security or Devops DevOps Engineer) are a plus.