Job Description

Purpose

Resolve urgent and critical incidents on their AWS hosted estate.

Ensure the infrastructure is secure, resilient, and highly available, following agreed processes.

Provide hands-on support for ongoing operations, problem-solving, implementations, system upgrades, and time-critical operational troubleshooting.

Work effectively with colleagues and stakeholders, demonstrate leadership, and become established as an approachable subject matter expert.

Key Duties

Critical situation management for the operation and maintenance of the Hosting and Infrastructure

Act as the AWS and cloud infrastructure SME in response to client questions

Sharing your expertise.

Work with colleagues to ensure strict adherence to the contract and established good practice.

Person Specification

Technical

Strong knowledge of AWS services, including EC2, S3, RDS, Route 53, WAF, IAM, Lambda, VPC and more (see below)

Strong proficiency in the Windows ecosystem, including:

Windows Server 22 administration: Active Directory, Group Policy, DNS, and DHCP

Windows-based workloads hosted in AWS and hybrid environments

Proficiency in: Terraform, CloudWatch, PRTG, GitHub Code Management and Actions, WAF

Customer Orientation

Work effectively with colleagues and stakeholders, demonstrate leadership, and become established as subject matter expert

Willingness to learn and self-teach.

approachable, customer‑focused, and adaptable team player

Personal Effectiveness

Demonstrate excellent problem-solving skills and the ability to work in a fast-paced environment.

Keep up to date with changes in technology and apply new knowledge, embracing opportunities to share with colleagues.Operational

Reduction in service interruptions, infrastructure costs and customer issues

Ensure the infrastructure is future-proof and well managedKey Performance Indicators

Act decisively and proactively to mitigate or minimise service‑affecting issues.

Efficient resource management.

Keeping service information up to date.

Qualifications & Experience

Experienced in EC2s

Minimum three years' proven experience in a similar role.

Solid understanding of networking, security, and best practices in cloud architecture.

Good working knowledge of Windows Server operating systems and associated technologies.

UK Government Security Clearance (SC) must be held.

AWS Certified Solutions Architect, AWS Certified DevOps Engineer, or other relevant AWS certifications, Python and other coding experience would be an advantage.

Experience with containerisation technologies (e.g., Docker, Kubernetes).Health & Safety Training

As per internal training matrix