Cloud Systems Engineer in Cardiff

Cloud Systems Engineer

Permanent | Hybrid Working | South Wales

Are you an experienced Cloud Engineer looking for an opportunity to shape cloud strategy, influence technical decisions, and take ownership of a growing multi-cloud environment?

We're supporting a well-established organisation undergoing a significant digital transformation programme. As part of this journey, they're looking to appoint a Cloud Systems Engineer to lead the design, security, operation and continuous improvement of their cloud platforms.

This role will suit someone who thrives on solving complex technical challenges, enjoys working across multiple teams, and wants to play a key role in delivering secure, resilient and scalable cloud services.

The Role

As the Cloud Systems Engineer, you'll act as the organisation's cloud subject matter expert, taking primary responsibility for AWS environments while also supporting Azure and Microsoft 365 services.

You'll be responsible for designing, implementing and managing cloud infrastructure, ensuring platforms remain secure, cost-effective, highly available and aligned to best practice.

Working closely with infrastructure, development, cyber security and support teams, you'll provide both hands-on engineering expertise and strategic technical guidance.

Key Responsibilities

Cloud Engineering & Architecture

Design, build and maintain secure cloud infrastructure across AWS and Azure

Develop cloud architectures aligned with industry best practice and the AWS Well-Architected Framework

Implement and manage Infrastructure as Code (CloudFormation and similar technologies)

Design secure multi-account environments, networking and connectivity solutions

Define cloud standards, patterns and engineering best practices

Support the organisation's ongoing digital transformation initiatives

Security, & Governance

Implement and maintain secure and access management controls

Apply Zero Trust and least-privilege security principles

Integrate AWS workloads with Microsoft Entra ID

Manage cloud- security services, monitoring and alerting

Work alongside cyber security teams to improve security posture and reduce risk

Resilience & Operations

Manage monitoring, performance and availability across cloud environments

Design and maintain backup, disaster recovery and business continuity solutions

Provide 3rd line support for cloud-related incidents and technical issues

Support service reliability and operational excellence

Cost & Performance Optimisation

Monitor cloud consumption and costs

Implement governance, reporting and optimisation measures

Balance performance, resilience and commercial efficiency

What We're Looking For

Essential Experience

Strong hands-on AWS engineering experience within an enterprise or commercial environment

Experience acting as a cloud SME or technical authority

Experience designing and operating secure cloud platforms

Strong infrastructure automation and Infrastructure as Code experience

Experience working closely with cyber security teams

Technical Skills

AWS EC2, Auto Scaling and Load Balancing

VPC design, networking and connectivity

RDS and managed database services

Lambda and event-driven architectures

IAM, KMS, Secrets Manager and Parameter Store

CloudWatch, CloudTrail and AWS Config

GuardDuty, Security Hub, WAF and other AWS security services

AWS Organizations

Azure networking, virtual machines and monitoring

Microsoft Entra ID, MFA and Conditional Access

AWS and Azure integration

Desirable

Microsoft 365 administration and governance

IBM Cloud exposure

Hybrid or multi-cloud experience

Experience supporting large-scale transformation programmes

Knowledge of OAuth2, OIDC and SAML

Certifications

Highly desirable:

AWS Solutions Architect Associate or Professional

Additional certifications welcomed:

AWS Security Specialty

Azure Certifications

Microsoft 365 Certifications

Security+

CCNA

Other infrastructure, networking or cyber security qualifications

What's in It for You?

Salary of £47,00 - £51,000 

Hybrid working model in South Wales

Generous annual leave entitlement

Excellent pension scheme

Ongoing professional development and training opportunities

Opportunity to play a key role in a major cloud transformation programme

Collaborative and supportive working environment

Apply Now

If you're a skilled AWS-focused Cloud/Infrastructure Engineer looking to combine architecture, security, automation and technical leadership in a highly visible role, we'd love to hear from you