Platform Engineer

Work on Technology That Protects What Matters

At Si Xworks , 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 Platform Engineer who enjoys solving difficult technical challenges and wants their work to have real operational impact.

As a Platform Engineer, you'llshowcaseyourexpertiseby deploying new solutions in challenging environments and enhancing existing platforms. You embrace the  MVP  approach, building incrementally and learning quickly from failures. You love tinkering and discovering innovative solutions.

You'recomfortable sharing ideas with both your team and our customers, and confident managing and supporting production systems, balancing reliability, performance, and operational excellence in live environments.

We believe in using the right tools and technologies to deliver the best outcomes for our customers. Whileexpertisein every toolisn'trequired, we value experience with similar technologies and an understanding of the problems they solve. Our current stack includes Git Hub and Git Hub Actions, Terraform, Kubernetes, Helm, Zarf, and UDS (Unicorn Delivery Service), along with languages such as Go, Rust, and, of course, Bash.

These tools enable us to build, manage, and deploy solutions across both cloud environments (AWS) and on-premises platforms (VMware).

You'lljoin a small, high-performing team that supports you from day one and throughout your journey with us. The challenges you'lltackle are unique, whether due to security needs or location constraints, offering you a chance to make a significant impact.

We are committed to your professional growth, offering continuous learning opportunities, mentorship, and the chance to work with cutting-edge technologies. Your development is our priority, and we provide the time and support you need to thrive and advance in your career.

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 you should apply if:

• You care about customer outcomes, and you want to know and understand who we work with.

• You love finding new ways to solve problems.

• You’recomfortable working in a team that deals with ambiguity.

• You like spending a few days a week physically with the team.
• You have experience operating production environments supporting live users.

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

SiXworks is a specialist digital innovation partner delivering secure, mission-critical technology to Defence and National Security organisations. We focus ondigital experimentation, secure-by-design architecture, cloud technologies, and rapid application development to 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.

Our culture is guided by six principles:

Agility, Security, Innovation, Quality, Collaboration and Inclusivityour North Starfor how we work. SiXworksis a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fast cutting-edge technology 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…