About The Role
To prepare for a significant period of growth, Xelix is seeking a Head of Infrastructure to own the reliability, scalability, security, and cost‑effectiveness of the Xelix SaaS platform. This role provides senior technical and operational leadership to ensure our technology and processes meet future business needs. It is a hands‑on leadership role combining architecture, operational ownership, and team development.
Platform Strategy & Architecture
- 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
Developer Experience (DevEx)
- 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
Reliability & Operations
- 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
Security & Risk
- 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)
Leadership & Team Development
- 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
Cost & Efficiency
- Manage relationship with AWS and other vendors
- Own cloud cost visibility and optimisationBalance performance, reliability, and cost trade‑offs
- Introduce tooling and practices that improve developer efficiency
What You’ll Bring
- 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 In Return
- Competitive salary depending on experience
- 27 days of annual leave (including 3 days Christmas closing) with options to roll over, buy or sell up to 3 days
- Hybrid working with one day a week from our 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
- Carbon‑neutral commitment and ambitious reduction goals
- Team socials & activities
- Annual team retreat
We believe that people from diverse backgrounds, with different identities and experiences make our company and product better. No matter your background, we'd love to hear from you! If you have a disability, please let us know if there's any way we can make the interview process better for you – we're happy to accommodate.
#J-18808-Ljbffr”, “datePosted”: “2026-05-18”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Xelix”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__435622725__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }About The Role
To prepare for a significant period of growth, Xelix is seeking a Head of Infrastructure to own the reliability, scalability, security, and cost‑effectiveness of the Xelix SaaS platform. This role provides senior technical and operational leadership to ensure our technology and processes meet future business needs. It is a hands‑on leadership role combining architecture, operational ownership, and team development.
Platform Strategy & Architecture
- 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
Developer Experience (DevEx)
- 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
Reliability & Operations
- 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
Security & Risk
- 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)
Leadership & Team Development
- 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
Cost & Efficiency
- Manage relationship with AWS and other vendors
- Own cloud cost visibility and optimisationBalance performance, reliability, and cost trade‑offs
- Introduce tooling and practices that improve developer efficiency
What You’ll Bring
- 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 In Return
- Competitive salary depending on experience
- 27 days of annual leave (including 3 days Christmas closing) with options to roll over, buy or sell up to 3 days
- Hybrid working with one day a week from our 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
- Carbon‑neutral commitment and ambitious reduction goals
- Team socials & activities
- Annual team retreat
We believe that people from diverse backgrounds, with different identities and experiences make our company and product better. No matter your background, we’d love to hear from you! If you have a disability, please let us know if there’s any way we can make the interview process better for you – we’re happy to accommodate.
#J-18808-Ljbffr…