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Marex Logo Marex · IT - Administration

Application Support Analyst - Operations Technology

United Kingdom, London Employment contract · Job Posted June 16, 2026
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Job Description

The Application Support Analyst is responsible for taking ownership of issues and providing procedural and technical support to various teams and internal/external stakeholders. In addition to driving resolution of day-to-day issues, managing incidents and outages to resolution, this role requires a close partnership with the rest of the infrastructure team, the service desk and the wider IT group. In this role, you will work closely with both business stakeholders and engineering teams to identify, design, and deliver features that strengthen cross-selling capabilities and improve operational efficiency across the firm.

Job Responsibility

  • Provide support for all trading and back-office platforms offered by Marex to both internal and external client base
  • Support business users offering second- and third-line support
  • Knowledge of scripting language (PowerShell, Python...)
  • Manage new system analysis and implementation
  • Provide incident management per ITIL standards
  • Liaison between technology department and business groups to communicate system changes
  • Manage process and trading system documentation in existing template
  • produce and regularly maintain to a high standard
  • Ensure active tasks retain focus through workflow and prioritisation awareness
  • Manage vendor system upgrades and implementation
  • Manage exchange relationships and project manage mandatory upgrades
  • Manage technical client onboarding
  • Complete exchange reporting and compliance audits
  • Manage client technical requirements within Marex technology department
  • Complete monthly transactional and volume reporting across all systems

Requirements

  • Solid background in Windows, Linux/Unix OS, including one of the following: SQL, PostgreSQL, MongoDB, Oracle
  • Must be able to work under demanding conditions with a calm demeanour
  • Experience gained in a financial services background, ideally finance
  • Ability to work as part of a team in an environment with changing expectations
  • Proven ability to show a proactiveness in picking up issues and improving existing processes
  • Process-driven and systematic mindset
  • Experience with ITIL and change management processes
  • Excellent documentation, communication, and organizational skills
  • Ability to build strong relationships with Application Development teams and business sponsors
  • General front-to-back knowledge of the flow for trading/clearing/operational process in settlement of futures and OTC
  • Experience in exchange and vendor management
  • Knowledge of server-side infrastructure and admin tools
  • Ability to work shifts patterns (if required)
  • Good to have knowledge of Fix Messaging protocol, including support experience
  • Knowledge of market connectivity protocols for key global derivative, commodity, cash and equity markets
  • Experience in technical onboarding of new APIs and systems
  • Prior experience in a support role, liaising directly with clients in a technical capacity

Nice to have

  • Bachelor’s degree in any relevant field
  • Excellent verbal and written communication skills
  • Use of ATEO and ION products are advantageous
  • Prior experience support back and middle office users
  • Working knowledge of the following asset classes/Trade environments: Foreign Exchange (FX), Over-the-counter (OTC), Interest rate swaps (IRS), Equities, Broker dealer is advantageous
  • Understanding of Sox and how it relates to a support function
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