Job Description

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+ sitesImplement SRE principles: automated health checks, alerting, SLIs/SLOs, and capacity forecasts

Incident & Performance Management

Lead deep-dive 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 toilExecute lab-based testing and benchmarking for new connectivity solutions

Collaboration & Delivery

Partner with global network, platform, and development teams to onboard applications and define standardsOwn 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 tuningProven experience with

messaging middleware

(Solace, 29West, Tibco, LBM) in performance-sensitive environmentsHands-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 enginesExcellent 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
Metting with the bank's hiring team