ITS Application Services (ENET) Engineer

MARGO is hiring an experienced ITS Application Services Engineer to join a Global Markets technology team. You'll support and enhance the low-latency infrastructure powering electronic trading systems - ensuring connectivity, performance, and reliability across FX and Fixed Income platforms.

Location: Hybrid, Central London

Your mission:

Deliver and maintain a world-class, low-latency trading environment - managing messaging middleware, network connectivity, observability tooling, and capacity planning to meet front office demands.

What you'll do:

• Connectivity & Monitoring Deploy and support global market connectivity (Solace/Tibco, multicast, TCP/IP) across 30+ sites. Implement SRE principles: automated health checks, alerting, SLIs/SLOs, and capacity forecasts.
• Incident & Performance Management Lead deep dives post incident analyses (e.g., market events), using packet captures (Wireshark/tcpdump/Corvil). Maintain dashboards (Geneos, Prometheus, Grafana) for proactive issue detection.
• Automation & Resiliency Build scripts (Python/Bash/PowerShell) and IaC for self healing systems and reduced manual toil. Execute lab based testing and benchmarking for new connectivity solutions.
• Collaboration & Delivery Partner with global network, platform, and development teams to onboard applications and define standards. Own change management processes, operational handoffs, and documentation (topologies, runbooks).

Technical fit - what we're looking for:

Strong background in low latency networking: TCP/IP, multicast, traffic shaping, performance tuning. Proven experience with messaging middleware (Solace, 29West, Tibco, LBM) in performance sensitive environments. Hands on packet analysis using Wireshark, tcpdump, Corvil (custom decoder skills a bonus). Scripting/automation with Python, Bash, or PowerShell. Familiarity with observability platforms (ITRS Geneos, Prometheus, Grafana). Experience supporting real time trading applications, feed handlers, matching engines. Excellent communication - able to translate technical metrics into business insights.

Nice to have:

• Exposure to FIX/market data protocols and order routing architectures.
• Hands on use of CI/CD pipelines and IaC tools (Terraform, Ansible).
• Experience with capacity planning and error budget management.

Tech stack & skills:

• Middleware: Solace/Tibco/LBM
• Networking: TCP/IP, multicast, BGP/OSPF, traffic shaping
• Monitoring: ITRS Geneos, Prometheus, Grafana, Corvil
• Automation: Python, Bash, PowerShell, IaC
• Systems: Linux (Red Hat/CentOS), hybrid cloud infrastructure

Recruitment process:

• Intro call with MARGO Talent Acquisition
• Technical deep dive with Margo consultant
• Meeting with the bank's hiring team