×
Register Here to Apply for Jobs or Post Jobs. X

Senior Application Support

Job in London, Greater London, W1B, England, UK
Listing for: City Elite Transaction Services Ltd
Full Time position
Listed on 2026-03-06
Job specializations:
  • IT/Tech
    IT Support, Cloud Computing
Salary/Wage Range or Industry Benchmark: 100000 - 150000 GBP Yearly GBP 100000.00 150000.00 YEAR
Job Description & How to Apply Below
Senior Application Support About the Role We are looking for a Level 2 (L2) Application Support Engineer to join a global trading operations team. The role focuses on supporting electronic trading platforms and financial applications in a high-pressure production environment. You will also participate in IT Service Management processes, including Incident, Problem, and Change Management, and contribute to operational governance.

Key Responsibilities:

Troubleshoot and resolve live production issues quickly, escalating when necessary. Prioritise incidents based on business impact and urgency. Monitor system components and improve monitoring workflows. Support and maintain both production and testing environments. Communicate effectively with internal teams and end users. Document systems, processes, and operational enhancements. Collaborate with development teams to ensure smooth release handovers. Provide clear updates on outages and incidents.

Support compliance and regulatory reporting requirements. Identify operational risks and implement mitigation. Mentor and train team members as needed.

Skills & Experience Required:

Bachelor’s or Master’s degree in Computer Science or related field, with 5 years of relevant experience. Strong interest in learning new technologies and tools.

Experience with financial trading systems, messaging protocols, or electronic transaction platforms . Understanding of FIX protocol and low-latency system operations . Familiarity with messaging systems (e.g., JMS) and production system workflows. Knowledge of straight-through processing (STP) trade flows is desirable. Networking expertise with ability to analyse packet captures. Advanced Unix/Linux skills (TCP tuning, CPU affinity). Scripting experience in one or more languages (Python, Bash, etc.).

Experience with system connectivity to trading platforms or exchanges is a plus. Excellent communication skills and strong customer-service mindset.
Position Requirements
10+ Years work experience
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)

Job Posting Language
Employment Category
Education (minimum level)
Filters
Education Level
Experience Level (years)
Posted in last:
Salary