Infrastructure & Reliability Lead

City of London Full-Time 48000 - 84000 £ / year (est.) Home office (partial)

We’re seeking an Infrastructure & Reliability Lead to drive automation, observability, and operational excellence in a fast-paced financial services environment. This role involves mentoring an operations squad, optimising infrastructure reliability, and leveraging scripting and Infrastructure as Code (IaC) to enhance system performance and scalability.

What You’ll Be Doing

Lead & Mentor – Oversee an operations squad, ensuring alignment with business and technical objectives.
Automation & IaC – Use Python, PowerShell, Terraform, and Ansible to automate configurations, monitoring, and troubleshooting.
Monitoring & Observability – Maintain and improve system observability with Grafana, Splunk, OpsGenie, and PRTG to proactively address issues.
Incident & Disaster Recovery – Manage incident response, root cause analysis, and DR plans to ensure business continuity.
Security & Compliance – Enforce security best practices, access controls, and audit logs in line with regulatory requirements.
Operational Excellence – Identify and implement process improvements to enhance efficiency and system performance.
Hands-On Support – Participate in daily operations, handle requests, and manage on-call rotations to ensure platform stability.

What You Need

7+ years of infrastructure support & maintenance experience
Strong troubleshooting skills in Linux & Windows environments
Deep knowledge of cloud platforms (Azure, AWS), VMware, Citrix, and Office 365
Expertise in monitoring tools (Grafana, Splunk, OpsGenie, PRTG)
Hands-on experience with Terraform & Ansible for system configuration
Proficiency in Python & PowerShell for automation
Strong leadership & stakeholder engagement experience
Familiarity with ITIL & Agile operational support frameworks

Nice to Have

Experience managing on-call rotations & incident response processes
Background in large-scale financial services infrastructure

This is a fantastic opportunity to lead a high-performing operations team, drive automation-first principles, and work with cutting-edge monitoring and cloud technologies.

Interested? Reach out to george.harris@harringtonstarr.com for more details!

Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Information Technology

Industries: Financial Services and IT Services and IT Consulting

Infrastructure & Reliability Lead employer: Harrington Starr

Harrington Starr is an exceptional employer that fosters a dynamic and collaborative work culture, particularly for the Infrastructure & Reliability Lead role. With a strong emphasis on employee growth, you will have the opportunity to mentor a talented operations squad while utilising cutting-edge technologies in a hybrid work environment. The company offers competitive salaries, comprehensive benefits, and a commitment to operational excellence, making it an ideal place for professionals seeking meaningful and rewarding careers in the financial services sector.