About the job

Application Support Engineer (AVP) – Cash EquitiesLondon (100% office)12 months (initial)Competitive (Via Umbrella)

OverviewWe 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

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• Key ResponsibilitiesProvide hands-on Level 1/2/3 support for the Cash Equities Execution platfo
• rmSit directly with High Touch and Low Touch trading desks, supporting real-time trading activi
• tyMonitor system health, performance, and trading flows across global marke
• tsDevelop and enhance monitoring, alerting, and observability framewor
• ksTroubleshoot incidents, perform root cause analysis, and deliver timely resoluti
• onOwn and manage incident lifecycle, including detailed post-incident reporti
• ngCollaborate closely with Front Office developers, quants, and BA tea
• msSupport production releases and deployments, ensuring minimal disrupti
• onAutomate manual processes using scripting to improve efficiency and reliabili
• tyMaintain and improve operational documentation (runbooks, procedures, tool
• s)Participate in on-call and weekend rotations as part of a global support mod

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• Required Skills & ExperienceStrong experience supporting trading systems or low-latency platfo
• rmsSolid expertise in Unix/Linux environments and system-level troubleshoot
• ingProficient in at least one scripting/programming language (e.g. Python, Bash,
• Go)Experience with monitoring & observability tools (e.g. Dynatrace, Prometheus, Grafa
• na)Strong understanding of networking fundamentals (TCP/IP, DNS, latency, et
• c.)Proven ability to troubleshoot complex, distributed systems under press
• ureExperience working in production support / SRE / APS environme

nts

• Desirable ExperienceExposure to electronic trading, equities, or financial mar
• ketsExperience with log management tools (Splunk, OpenSea
• rch)Knowledge of messaging systems (Kafka, Tibco, Sol
• ace)Familiarity with databases (Oracle, PostgreSQL, MySQL, KD
• B/q)Experience with network monitoring tools (e.g. Cor
• vil)Infrastructure-as-Code exposure (e.g. Ansi
• ble)Background in high-availability, high-throughput environm

ents

• Personal ProfileStrong client focus and ability to interact with front office stakeho
• ldersExcellent problem-solving and analytical mi
• ndsetHighly organised and detail-ori
• entedProactive, self-motivated, and able to work under pre
• ssureStrong communicator – able to clearly explain technical i
• ssuesTeam player with flexibility to adapt in fast-moving environ

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• Why Join?Work directly with front office trading desks and
• quantsExposure to cutting-edge trading systems and high-frequency enviro
• nmentsOpportunity to be part of a globally distributed APS/SR
• E teamGain deep insight into financial markets and execution pla

tforms

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