Head of Production Reliability & Operations

Complexio; Basingstoke; On-site; GBP 70,000 - 110,000; Full time

Job summary

Complexio is seeking an Operations Team Lead to own production and scale its live systems. You will guide incident management, reliability practices, and proactive improvements across monitoring, on-call rotations, and change coordination.

You will lead a hands-on team, define standards, and drive a culture of accountability, ensuring high availability and fast, blameless postmortems to prevent repeats.

Qualifications

• Strong experience in SRE, DevOps, Infrastructure, or Production Engineering.
• Prior experience leading technical teams.
• Deep hands-on incident management experience.
• Strong observability and reliability mindset.

Responsibilities

• Stability and availability of all live systems
• Operational readiness for new releases
• Safe production access and change coordination
• High-signal alerting and fast detection
• Structured incident response
• Clear internal and customer communication
• Blameless postmortems
• Systemic fixes that prevent repeats
• Design sustainable rotations
• Clear escalation paths
• Defined severity levels
• Strong runbooks
• No burnout culture
• Define SLIs/SLOs for critical systems
• Improve visibility across availability, latency, errors, and saturation
• Track MTTR, incident frequency, and escalation trends
• Drive reliability roadmap initiatives
• Lead and grow the Operations team
• Set clear standards and KPIs
• Build a culture of ownership and accountability
• Raise the bar on operational discipline

Skills

SRE/DevOps

Infrastructure

Production Engineering

Team leadership

Incident management

Observability

Job description

Complexio is seeking an Operations Team Lead to own production and scale its live systems. You will guide incident management, reliability practices, and proactive improvements across monitoring, on-call rotations, and change coordination.

You will lead a hands-on team, define standards, and drive a culture of accountability, ensuring high availability and fast, blameless postmortems to prevent repeats.