Technical Lead - Site Reliability Engineering

LSEG•St. Louis, MO

1d•Hybrid

About The Position

We are evolving our Site Reliability Engineering capabilities to strengthen reliability, observability, security, and operational excellence across our Markets and Risk Intelligence division. As a Technical Lead SRE, you will be a senior hands‑on technical person help shape the foundations of reliability across both new and existing platforms. You will collaborate with Architecture, Engineering, Security, and Platform teams to ensure reliability is built into systems from day one. You will work closely with global teams and may occasionally be called upon for major incidents or critical issues. This position requires a highly proactive, hard-working expert with strong leadership presence and ownership of platform reliability outcomes.

Requirements

Bachelor’s Degree in Computer Science or related field
10+ years of hands-on technical experience in SRE, Platform Engineering, Infrastructure, or related roles
Strong experience with Azure, including services such as AKS, Azure Container Apps, Virtual Machines, virtual networking (VNet), and Azure managed services
Hands-on experience with Kubernetes and containerised platforms
Strong background in Linux systems administrations.
Proven experience designing and operating observability platforms, including monitoring, logging, and alerting
Hands-on experience with Datadog for metrics, logs, APM, and alerting
Strong understanding of SRE principles, including SLOs, error budgets, incident management, and reliability engineering
Experience working closely with architecture and engineering teams on system design and delivery
Solid understanding of cloud security principles and experience collaborating with security teams
Experience with cloud cost optimisation strategies and tooling
Experience integrating AI with observability stacks (Prometheus, Grafana, ELK, OpenTelemetry) for proactive issue detection.
Strong technical authority with the ability to influence design and operational decisions
Highly collaborative, comfortable working across architecture, engineering, security, and operations teams
Calm and methodical under pressure, especially during incidents and critical issues
Pragmatic problem-solver who balances reliability, security, cost, and delivery speed
Clear communicator, able to explain complex technical concepts to diverse audiences

Nice To Haves

Experience or working knowledge of AWS
Experience supporting multi-cloud or hybrid environments
Exposure to Infrastructure as Code (e.g., Terraform, CloudFormation)
Experience in large-scale, complex, or regulated environments
Knowledge of vector databases and RAG architectures for building internal SRE knowledge assistants.
Knowledge of Generative AI and LLM platforms (e.g., Claude, Amazon Bedrock)

Responsibilities

Lead the establishment of SRE foundations for new projects building environments, monitoring, alerting, and ensuring operational readiness from day one.
Collaborate with Architecture and Engineering teams to embed reliability, scalability, security, and observability into system design.
Define, implement, and champion observability standards, tooling, and guidelines across metrics, logs, traces, and SLIs/SLOs.
Design and evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health.
Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns.
Partner with Security teams to ensure our platforms meet compliance, security, and risk‑management expectations.
Lead seamless handovers from project delivery into BAU SRE operations by ensuring documentation, readiness, and strong operational practices.
Influence architectural and design decisions through data‑driven cloud cost optimization and efficiency initiatives.
Be a technical leader and mentor supporting engineers, shaping engineering standards, and fostering a culture of learning and development.