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, expand 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

Securitas Technology is committed to diversity and is an equal opportunity employer; all qualified applicants are welcome.