Production Support Engineer (Level 3)
Level 3 Support Role
Location: London - Hybrid – 3 days per week onsite
Start Date: ASAP
Contract Rate: £420 – £460 per day inside IR35
Working Pattern: On-call shifts
Duration: 12 months initially
Role Overview
Our client is seeking a hands-on C++ Production Support Engineer (Level 3) to support and enhance a legacy Treasury platform within a high-performance financial environment. This role blends short-term technical remediation work on a mature C++ codebase with longer-term production support and platform integration responsibilities across internal systems.
Key Responsibilities
- Remediate technical risks in a legacy C++ codebase (e.g., buffer overflows, runtime vulnerabilities) and deliver code fixes within a mature platform
- Address technical debt and collaborate with development teams to improve code quality and stability
- Provide L3 production support including incident resolution, monitoring, and operational runbook execution (e.g., onboarding, DB updates)
- Support platform stability and transition to a distributed support model
- Integrate platform workflows into internal tooling (monitoring, scheduling systems)
- Monitor system performance and ensure platform reliability
- Cross-train on internal platforms and contribute to broader support requirements
Skills & Experience
Essential
- Strong hands-on experience with C++ (debugging, code analysis, fixes)
- Proven experience in production support environments (incident handling, runbooks, operations)
- Solid understanding of Unix/Linux systems (Solaris exposure desirable)
- Ability to work independently in a high-ownership, low-supervision environment
Desirable
- Experience within financial services, particularly treasury or trading platforms
- Exposure to legacy systems modernisation and technical remediation
- Familiarity with scripting or query-based systems
- Ability to quickly learn and adapt to internal tools and platforms
If you have the relevant skills and experience, please do apply promptly to be considered