Application Support Engineer (Cash Equities)
You will support a low-latency Cash Equities trading platform using Unix/Linux, Python, Bash, Go, Dynatrace, Prometheus, and Grafana. The team provides Level 1/2/3 production support directly alongside front office traders, quants, and developers for a global investment bank.
Free Tailor for ATS: 10/10 runs left
Application Support Engineer (AVP) - Cash Equities
London (100% office)
12 months (initial)
Competitive (Via Umbrella)
Overview
We are seeking an experienced Application Support Engineer (AVP level) to join a high-performing Application Production Support (APS) team within a leading global investment bank in London.
You will play a critical role supporting a low-latency Cash Equities trading platform, working directly alongside front office traders, quants, and developers to ensure stability, performance, and continuous improvement of a mission-critical execution environment.
This is an excellent opportunity to gain exposure to high-frequency trading systems, global markets, and cutting-edge real-time technologies in a fast-paced environment.
Key Responsibilities
Provide hands-on Level 1/2/3 support for the Cash Equities Execution platform
Sit directly with High Touch and Low Touch trading desks, supporting real-time trading activity
Monitor system health, performance, and trading flows across global markets
Develop and enhance monitoring, alerting, and observability frameworks
Troubleshoot incidents, perform root cause analysis, and deliver timely resolution
Own and manage incident lifecycle, including detailed post-incident reporting
Collaborate closely with Front Office developers, quants, and BA teams
Support production releases and deployments, ensuring minimal disruption
Automate manual processes using scripting to improve efficiency and reliability
Maintain and improve operational documentation (runbooks, procedures, tools)
Participate in on-call and weekend rotations as part of a global support model
Required Skills & Experience
Strong experience supporting trading systems or low-latency platforms
Solid expertise in Unix/Linux environments and system-level troubleshooting
Proficient in at least one scripting/programming language (e.g. Python, Bash, Go)
Experience with monitoring & observability tools (e.g. Dynatrace, Prometheus, Grafana)
Strong understanding of networking fundamentals (TCP/IP, DNS, latency, etc.)
Proven ability to troubleshoot complex, distributed systems under pressure
Experience working in production support / SRE / APS environments
Desirable Experience
Exposure to electronic trading, equities, or financial markets
Experience with log management tools (Splunk, OpenSearch)
Knowledge of messaging systems (Kafka, Tibco, Solace)
Familiarity with databases (Oracle, PostgreSQL, MySQL, KDB/q)
Experience with network monitoring tools (e.g. Corvil)
Infrastructure-as-Code exposure (e.g. Ansible)
Background in high-availability, high-throughput environments
Personal Profile
Strong client focus and ability to interact with front office stakeholders
Excellent problem-solving and analytical mindset
Highly organised and detail-oriented
Proactive, self-motivated, and able to work under pressure
Strong communicator - able to clearly explain technical issues
Team player with flexibility to adapt in fast-moving environments
Why Join?
Work directly with front office trading desks and quants
Exposure to cutting-edge trading systems and high-frequency environments
Opportunity to be part of a globally distributed APS/SRE team
Gain deep insight into financial markets and execution platforms
Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.