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At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up – things move fast and expectations are high. We raised our Series B with Insight Partners in June 2025 and are expanding aggressively. We have a team of 150 talented people pulling together to achieve our goals. Everyone is trusted to take ownership, move fast and have a meaningful impact. We prioritise personal and professional growth, keep things fun, and love to celebrate a milestone together. In this role you’ll grow, be challenged and help shape the future of Xelix. If you’re excited about building something special with us, we’d love to hear from you.
Job Responsibility:
Own the long-term platform and infrastructure strategy
Design and evolve cloud architecture to support scale, resilience, and performance
Set standards for infrastructure, CI/CD, environments, and observability
Make architectural decisions and trade-offs
Provide infrastructure for the development team to code, test and deploy efficiently
Advise during design sessions to help engineers pick the right solutions for projects
Own production reliability, uptime, and incident response
Define and enforce SLAs and SREs
Lead incident response and post-incident reviews
Ensure monitoring, alerting, and on-call practices are effective and sustainable
Partner closely with the Information Security Officer on cloud security and compliance
Own platform-level security decisions and risk mitigation
Ensure secure-by-design infrastructure and access controls
Support compliance initiatives (SOC 2, ISO:27001)
Lead and mentor the DevOps team including DevOps engineers, IT Support and an Information Security Officer
Provide technical coaching and decision support to the DevOps team
Manage relationship with AWS and other vendors
Own cloud cost visibility and optimisation
Balance performance, reliability, and cost trade-offs
Introduce tooling and practices that improve developer efficiency
Requirements:
8+ years in infrastructure, platform, or SRE roles
AWS Certified Solutions Architect – Professional
Prior experience scaling production systems in a growing company
Ability to operate production systems under pressure
Deep hands-on experience with the AWS cloud platform
Strong background in reliability, observability, and incident management
Experience leading or mentoring engineers
What we offer:
27 days of annual leave (including 3 days Christmas closing) which increases up to 3 days based on tenure, with the option to roll over, buy or sell up to 3 days
Hybrid working with one day a week from our dog-friendly Hoxton office
On-site gym and cycle to work scheme
Employee discount at over 100 retailers
Comprehensive private medical & dental cover with Vitality
Enhanced parental leave pay
Learning & development culture – £1,000 personal annual budget
We’re carbon-neutral and are working towards ambitious carbon reduction goals