Lead, Production Reliability & Ops

Complexio; Portsmouth; On-site; GBP 90,000 - 120,000; Full time

Job summary

Complexio is seeking an Operations Team Lead to own production and build scalable reliability. You’ll lead live customer-facing systems, shaping processes, incidents, and a team culture focused on observability and uptime.

This hands-on role requires strong SRE/DevOps experience, proven leadership, and the ability to drive blameless postmortems and reliability roadmaps across the stack. You’ll partner with product and engineering to ensure safe releases, define SLIs/SLOs, and maintain high

Qualifications

• Strong experience in SRE, DevOps, Infrastructure, or Production Engineering.
• Proven experience leading technical teams.
• Deep hands-on incident management experience.
• Strong observability and reliability mindset.
• Calm under pressure and clear communication.
• Systems thinking and root-cause fixes over symptoms.

Responsibilities

• Own production across all live customer-facing systems.
• Lead incidents, runbooks, and blameless postmortems.
• Design sustainable on-call rotations and escalation paths.
• Define SLIs/SLOs and monitor availability, latency, errors, and saturation.
• Grow and lead the Operations team and set KPIs.

Skills

SRE

DevOps

Infrastructure

Production Engineering

Technical leadership

Incident management

Job description

Complexio is seeking an Operations Team Lead to own production and build scalable reliability. You’ll lead live customer-facing systems, shaping processes, incidents, and a team culture focused on observability and uptime.

This hands-on role requires strong SRE/DevOps experience, proven leadership, and the ability to drive blameless postmortems and reliability roadmaps across the stack. You’ll partner with product and engineering to ensure safe releases, define SLIs/SLOs, and maintain high