Site Reliability Engineer

IMG is a leading global sports marketing agency, specializing in media rights management and sales, multi-channel content production and distribution, brand partnerships, strategic consulting, digital services, and event management. It powers growth of revenues, fanbases and IP for more than 250 federations, associations, events, and teams, including the National Football League, English Premier League, International Olympic Committee, National Hockey League, Major League Soccer, ATP and WTA Tours, the AELTC (Wimbledon), Euro league Basketball, CONMEBOL, World Rugby, DP World Tour, and The R&A, as well as UFC, WWE, and P .

IMG is a subsidiary of TKO Group Holdings, Inc. (NYSE: TKO), a premium sports and entertainment company. TKO Group Holdings, Inc. (NYSE: TKO) is a premium sports and entertainment company. TKO owns iconic properties including UFC, the world's premier mixed martial arts organization; WWE, the global leader in sports entertainment; and P , the world's premier bull riding organization. Together, these properties reach 1 billion households across 210 countries and territories and organize more than 500 live events year-round, attracting more than three million fans.

TKO also services and partners with major sports rights holders through IMG, an industry-leading global sports marketing agency; and On Location, a global leader in premium experiential hospitality.

• Permanent Position, Mon-Fri, 9am-5pm
• This role is based at our facilities in Stockley Park, Uxbridge, with hybrid working options where applicable.
• You may be required to work unsociable hours, including occasional weekends or on-call rotations, to support live operations and critical systems.
• Occasional travel may be required depending on project and client needs.

IMG is looking for a Site Reliability Engineer to help design, build, operate, and continuously improve resilient, secure, and highly available platforms that underpin our digital, cloud, and broadcast-adjacent services. This role is suited to someone who combines strong infrastructure and software engineering capability with an operational mindset, and who can help embed reliability engineering practices across systems that support live, business-critical environments.

The successful candidate will play a key role in improving service reliability, observability, incident response, automation, and disaster recovery readiness across IMG platforms, while working closely with engineering, operations, and project stakeholders.

• Design, build, and maintain reliable, scalable infrastructure and platform services across on-premises and cloud environments.
• Improve service availability, latency, performance, and operational efficiency through engineering-led reliability practices.
• Build and enhance observability across services and infrastructure, including monitoring, logging, alerting, dashboards, and service health indicators.
• Define and maintain SLIs, SLOs, alerting standards, and operational runbooks for critical services.
• Automate infrastructure provisioning, configuration, deployment, and recovery processes using Infrastructure as Code and scripting.
• Partner with software, platform, broadcast engineering, and operational teams to improve release quality, resilience, and supportability.
• Act as an escalation point for production incidents, leading or supporting rapid diagnosis, mitigation, communication, and post-incident follow-up.
• Drive root cause analysis and corrective actions following incidents, with a focus on prevention and continuous improvement.
• Support the design, testing, and documentation of high availability, backup, failover, and disaster recovery arrangements.
• Help enforce security, access control, patching, and operational best practices across infrastructure and services.
• Optimise system capacity, cost, and performance across environments.
• Produce and maintain clear technical documentation, operational procedures, and support handover materials.
• Support live event and critical operational workflows where reliability, rapid response, and stakeholder communication are essential.
• Contribute to technical planning for new services, migrations, and platform enhancements, ensuring resilience is designed in from the start.
• Improve reliability, stability, and recoverability of IMG’s platform services.
• Reduced mean time to detect and resolve incidents through better observability and response processes.
• Higher levels of automation across…