Site Reliability Engineer (SRE)

What We re Looking For

Strong experience supporting front-office trading systems in a production environment, ideally within Equities or Capital Markets, with hands-on knowledge of Fidessa, OMS/EMS platforms, order routing, client connectivity, and post-trade processing.
Strong understanding of the trade lifecycle and FIX Protocol, including FIX 4.2, 4.4 and 5.0, message analysis, session behavior, sequence resets, rejects, cancels/replaces, drop copy, and client onboarding flows.
Strong troubleshooting capabilities across Linux/Unix, Windows Server, networking, databases, messaging, and application layers, alongside scripting or automation experience using Python, Bash/Shell, SQL, PowerShell, or Perl.
Experience with monitoring and observability technologies such as Splunk, Grafana, Prometheus, Nagios, Datadog, Open Telemetry, CloudWatch, or ELK Stack, plus database and messaging technologies relevant to production trading environments.
Clear communication, prioritization, and problem-solving skills, with the ability to collaborate effectively with traders, business users, technology teams, infrastructure teams, and stakeholders while carefully assessing business and operational impact.
Bonus Points For

Experience supporting Cash Equities alongside additional asset classes such as Futures, Options, ETFs, Swaps, Bonds, or Derivatives.
Knowledge of TCP, UDP, multicast/unicast, latency analysis, firewall flows, connectivity troubleshooting, and packet-level diagnostics.
Experience with CI/CD and DevOps tooling such as Jenkins, Bamboo, Bitbucket, Git, GitHub Actions, JFrog, Ansible, Terraform, ArgoCD, ServiceNow, JIRA, or Confluence.
Familiarity with AWS or Azure and container platforms and tooling such as Docker, Kubernetes, OpenShift, Terraform, Helm Charts, or Lens.
Experience supporting compliance, legal, audit, or regulatory queries relating to trading activity, client flows, production logs, or production events.