ION Support Engineer

• Provide second- and third-line support across a range of trading systems for equities, credit, Fixed Income, and derivative products (including bonds, CDS, IRS, and currency swaps).
• Cover support shifts between 7am-7pm (early, normal, and late patterns), with occasional weekend or out-of-hours work.
• Drive improvements in system efficiency, resilience, performance, and accuracy; deliver small-scale enhancements and fixes.
• Co-ordinate and manage software releases into UAT and Production environments, ensuring full documentation and handover into support.
• Define and maintain support requirements for new development releases (alerting, error logging, thresholds, monitoring, etc).
• Ensure all changes follow established change control processes and are properly tracked in version control tools.
• Liaise with external vendors to manage fixes, and co-ordinate UAT/regression testing with business stakeholders.
• Create, update, and maintain documentation across business, support, and maintenance procedures.

• Degree educated or equivalent professional experience.
• 5+ years supporting trading platforms in a Front Office or high-pressure financial markets environment.
• Strong product knowledge across Fixed Income, Equities, and Derivatives, including IRS, CDS, ETFs, futures, options, and convertible bonds.
• Excellent technical investigation, analysis, and problem-solving capabilities.

Experience supporting or working with:

• Bloomberg TOMS
• Markitwire
• ION (Cash & Swaps)
• Bond pricing tools
• D2D/D2C venues and end-to-end STP flows within FI
• Familiarity with CRM support and client-facing internal tools.
• Effective communicator with the ability to work under pressure and collaborate across technology, trading, and business teams.

I'm working with a leading global investment bank to hire an experienced Trading Application Support Engineer for a 6-month contract (Inside IR35) paying £550/day. This role sits within their Core Markets technology function, providing crucial support across Fixed Income, Equity, and Derivatives trading.