Senior Platform Engineer at SiXworks, Farnborough/Remote, £Contractor Rate

We are looking for a Senior Platform Engineer to play a key role in the design, delivery, and evolution of our platform engineering capabilities. This role combines deep technical expertise with hands-on delivery and cross-functional collaboration. You will contribute to platform architecture, engineering standards, and operational excellence across hybrid environments, supporting mission-critical systems within the Defence and Security sector.

Key Responsibilities

• Platform Engineering & Delivery
  • Design and implement scalable, secure, and maintainable platform solutions across cloud and on-premise environments.
  • Contribute to the development and governance of CI/CD pipelines, ensuring consistency and efficiency.
  • Support the implementation of monitoring, observability, and incident response frameworks.
• Operational Excellence
  • Collaborate with SRE and operations teams to ensure platform reliability, performance, and resilience.
  • Participate in incident response and root cause analysis, driving continuous improvement.
• Technical Leadership
  • Act as a subject matter expert in platform technologies, guiding engineering decisions and best practices.
  • Mentor junior engineers and contribute to a culture of technical excellence and knowledge sharing.
• Innovation & Collaboration
  • Evaluate emerging technologies and contribute to platform evolution and innovation.
  • Work closely with cross-functional teams to translate business requirements into platform capabilities.
  • Participate in architecture reviews, governance forums, and strategic planning sessions.

Qualifications & Experience

• Strong experience in platform engineering, DevOps, or infrastructure development.
• Proficiency in Kubernetes, CI/CD tooling, cloud platforms (AWS, Azure, GCP), and Infrastructure as Code.
• Demonstrated ability to deliver complex platform solutions in hybrid environments.
• Solid understanding of platform security, compliance, and operational tooling.
• Excellent communication and collaboration skills.
• Experience in regulated environments (e.g., Defence, Security) is highly desirable.

Desirable Skills

• Certifications in cloud platforms or DevOps practices.
• Experience with automation frameworks (e.g., Terraform, Ansible).
• Exposure to platform governance and architecture forums.
• Familiarity with incident management and operational support processes.
• Eligible for SC clearance; UK sole nationals only. Willing to apply for DV
• Some international travel may be required