AWS Infrastructure Engineer

AWS Infrastructure Engineer

Location: United Kingdom

Purpose

Design, build, and operate AWS infrastructure that underpins key platforms and services as the organisation continues its transition to cloud.

Work as a hands-on AWS engineer, focused on delivering secure, scalable, and highly available environments. Take ownership of components of the migration and operation of business-critical platforms and services within AWS.

Major Responsibilities

Design, build, and maintain AWS infrastructure using infrastructure-as-code principles

Support production and non-production environments with a focus on availability, performance, and security

Deliver backend infrastructure operations including server management, updates, storage, failover, and logging

Build and maintain core AWS services across compute, networking, storage, and identity (e.g. EC2, S3, VPC, IAM, RDS, CloudWatch)

Collaborate with application, DevOps, and security teams to deliver resilient cloud solutions

Integrate infrastructure with CI/CD pipelines to enable reliable, repeatable deployments

Implement monitoring, logging, alerting, and observability practices

Investigate incidents, contribute to root cause analysis, and drive continuous improvement

Support security, compliance, and audit requirements within cloud environments, including regulated or security-sensitive contexts

Work with cloud partners and vendors, including AWS and third parties, on architecture reviews and optimisation

Automate infrastructure provisioning and operational processes to reduce manual effort

Document infrastructure, standards, and operational processes

Primary working hours aligned to European time zones. Participation in a global on-call rotation.

What Success Looks Like

Deliver stable, secure, and scalable AWS environments that support business-critical platforms

Contribute to the successful migration and operation of core business platforms and services in AWS

Maintain strong system availability and performance across production environments

Identify and resolve infrastructure issues proactively, improving reliability over time

Collaborate effectively with cross-functional teams to deliver consistent, high-quality solutions

Establish reliable and repeatable infrastructure practices

Education

Degree or equivalent experience in Computer Science, Information Technology, or a related field

Experience & Knowledge

Hands-on experience with AWS in production environments

Strong knowledge of core AWS services such as VPC, IAM, EC2, containers, storage, and monitoring

Experience with infrastructure-as-code tools (e.g. Terraform, AWS CDK, or similar)

Understanding of cloud networking, security, and identity management

Experience supporting highly available, business-critical systems

Familiarity with cloud migration initiatives

Experience integrating infrastructure with CI/CD pipelines and automation tooling

Exposure to containerised workloads or orchestration platforms (e.g. ECS, EKS)

Experience working within regulated or security-focused environments

Experience working with distributed teams

AWS certifications (e.g. Solutions Architect, SysOps Administrator) are beneficial

Skills & Competencies

Strong problem-solving and troubleshooting skills

Clear communication across technical and non-technical teams

Collaborative approach to working with engineering, security, and operations

Ability to prioritise and manage workload effectively

Adaptability in a changing environment

Commitment to continuous learning and improvement

Why Join Us

Work on meaningful cloud transformation initiatives, helping to move critical platforms into AWS. Contribute to real-world infrastructure challenges while collaborating with experienced teams across the organisation.

Develop AWS expertise, technical capability, and operate in an environment that values collaboration, learning, and practical problem solving.

Our People Promise – Securitas Technology EVP

Alongside the opportunity to work on modern AWS infrastructure, you’ll be part of an organisation that values people, growth, and purpose. We offer clear career pathways, growth opportunities, recognition for achievements, and a global, collaborative team.

As part of our EVP, we offer:

Career pathways and growth opportunities

A global, values-driven team

Recognition for achievements

An inclusive, collaborative culture

Purposeful work that makes the world safer

Support for innovation and sustainability