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From the employer's careers site First seen 26 Oct 2026

Application Support Engineer

The employer hasn't listed a salary.

Apply on London Stock Exchange Group (LSEG)

Description

As an Application Support Engineer at LSEG, you will deliver Level 2 IT support for the CDSClear business, providing hands-on support for in-house trade management and risk platforms across production and test environments.

You will partner closely with other CDSClear teams to advance the CDSClear delivery roadmap, participate in an out-of-hours on-call rota, and support extended clearing operations as part of a late-shift Site Reliability Engineering rota.

Key responsibilities include:

  • Being responsible for the operational health of all CDSClear production and UAT environments
  • Leading front-to-back operational support for CDSClear-aligned and non-aligned applications and infrastructure
  • Building strong working relationships with CDSClear First Line Risk, Operations, and Customer Success teams
  • Proactively aligning IT teams with business and production events
  • Owning and maintaining standard operating procedures
  • Running CDSClear test environments (IUA, EUA)
  • Supervising CDSClear IT Support team activity and optimising workload allocation
  • Coordinating and implementing Disaster Recovery testing
  • Leading incident management activities
  • Owning organisational change for CDSClear applications
  • Driving a continuous improvement culture
  • Collaborating with development teams to improve release reliability and automation
  • Leading capacity and performance management
  • Maintaining hands-on technical expertise across the CDSClear estate
  • Coordinating IT risk management activities
  • Acting as the primary IT interface to Information Security

You will be part of a dynamic organisation that values innovation, quality, and continuous improvement.

Skills

Required

  • Unix
  • SQL
  • Control-M
  • web services
  • networking technologies
  • AWS

Ready to apply?

You apply with the employer directly. Their original posting is here: https://lseg.wd3.myworkdayjobs.com/en-US/Careers/job/Paris-France/CDSClear-IT-Site-Reliability-Engineer_R0118519-1

Apply on London Stock Exchange Group (LSEG)