Production Reliability Lead

Complexio; Bath; On-site; GBP 90,000 - 110,000; Full time

Job summary

Complexio is seeking an Operations Team Lead to own production. Not just keep it running, but build a system that scales.

You’ll lead operational excellence across all live customer-facing systems, ensuring production is reliable, observable and continuously improving. This is a hands-on role: shape process, lead incidents, build the team, and move us from reactive firefighting to proactive reliability engineering.

Qualifications

• Strong experience in SRE, DevOps, Infrastructure, or Production Engineering.
• Prior experience leading technical teams.
• Hands-on incident management experience.
• Strong observability and reliability mindset.
• Calm under pressure, clear in communication.
• Systems thinker, fixes root causes, not symptoms.

Responsibilities

• Own production stability and availability of live systems.
• Ensure readiness for new releases.
• Coordinate safe production access and changes.
• Lead incident management lifecycle and blameless postmortems.
• Design sustainable on-call rotations and escalation.
• Define SLIs/SLOs and drive reliability roadmap.
• Lead and grow the Operations team.
• Set KPIs and foster ownership.

Skills

SRE / DevOps

Infrastructure

Incident management

Team leadership

Observability

Job description

Complexio is seeking an Operations Team Lead to own production. Not just keep it running, but build a system that scales.

You’ll lead operational excellence across all live customer-facing systems, ensuring production is reliable, observable and continuously improving. This is a hands-on role: shape process, lead incidents, build the team, and move us from reactive firefighting to proactive reliability engineering.