Cloud Engineer

Work on Technology That Protects What Matters

At SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.

We’re looking for a Cloud Engineer who enjoys solving difficult technical challenges and wants their work to have real operational impact.

What You’ll Do

As a Cloud Engineer, you’ll help design, build, and deliver secure digital solutions in highly secure environments. You’ll work alongside engineers, architects, and delivery specialists to develop technology that enables faster, safer decision‑making for critical operations.

Your work may include:

• Infrastructure Management: Provision and manage Azure IaaS and PaaS services (Virtual Machines, Azure Kubernetes Services, App Services, Storage Accounts, and Virtual Networks).
• Containerisation: Orchestrate and scale containerised applications using Azure Kubernetes Service (AKS) and Azure Container Instances (ACI).
• Automation & IaC: Build and maintain Infrastructure as Code using Terraform.
• Security & Governance: Implement role-based access control (RBAC) and identity management via Microsoft Entra ID, alongside network security groups (NSGs) and firewalls.
• Monitoring & Reliability: Track system health, uptime, and logs using Azure Monitor and Log Analytics.
• CI/CD Integration: Support deployment pipelines using Azure DevOps or GitHub Actions.
• Cost & Performance Optimization: Audit resource usage to right-size environments and reduce unnecessary cloud spend.

What We’re Looking For

We value people who take ownership, think critically, and enjoy working as part of a collaborative team tackling complex challenges. You don’t need to tick every box, but we’re particularly interested in people with skills/experience in:

• Experience: 3+ years in IT infrastructure, cloud administration, or DevOps roles.
• Technical Skills: Strong proficiency in PowerShell, Python, or Azure CLI, plus networking knowledge (VPN gateways, subnets, DNS).
• Certifications: Microsoft Certified: Azure Administrator Associate (AZ-104) or Azure Solutions Architect Expert (AZ-305) preferred.

Just as important are curiosity, strong problem solving ability, and the motivation to continuously improve how technology is designed and delivered.

About SiXworks

SiXworks is a specialist digital innovation partner deliveringsecure, mission-critical technologyto Defence and National Security organisations. We focus ondigital experimentation, secure-by-design architecture, cloud technologies, and rapid application developmentto help our customers move faster and stay ahead of evolving challenges.

Our team combines expertise from across technology, business, and operational backgrounds including the armed forces creating a collaborative environment where practical thinking and innovation thrive.

Why Join Us

Our culture is guided by six principles: Agility, Security, Innovation, Quality, Collaboration and Inclusivityour North Star for how we work. SiXworksis a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fastcutting-edgetechnology solutions deployed in highly secure environments.

As an end-to-end digital innovation and delivery partner, we turn complex challenges into mission-critical digital advantages. This is a thrilling time for us, with ambitious plans for growth. We are looking for brilliant, experienced, driven and self-motivated people to join the team on our journey.

We offer competitive salaries and a package that supports your wellbeing and development, including 25 days annual leave + bank holidays, free Private Medical cover and Life Assurance, Generous pension (10% employer, 5% employee contribution), Bonus and Professional development and training support. In addition to secure parking, gym, café & restaurant on site and lots of open break out spaces.

A word on UK Security Clearance

Due to the secure nature of the positionand working environment, you must have or be eligible to obtainSecurity Clearance.More details relating to UK Security Clearance can be found here:

United Kingdom Security Vetting: clearance levels - GOV.UK (

Interested?