3rd Level Treasury Systems Support with FIS Integrity Treasury Application

Onyx-Conseil; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

Onyx-Conseil is seeking a Level 3 Treasury Systems Specialist in London to safeguard the integrity of the FIS Integrity TMS and its integrations. You will configure workflows, manage cross‑system data, and ensure releases meet governance and audit standards.

The role focuses on risk containment, regression governance, and strong collaboration with treasury operations to deliver secure platform enhancements within a hybrid London office setup.

Qualifications

• 1-2 years’ experience in 2nd/3rd line support capacity in FIS Integrity
• Strong configuration and data model knowledge
• Strong Treasury business operation understanding
• Advanced SQL capability
• Integration experience (APIs, SWIFT, SFTP, ERP)
• Experience with SaaS release models

Responsibilities

• Configure and maintain FIS Integrity TMS workflows, parameters, and reference data
• Manage integration architecture across banks, ERP, and market data providers
• Ensure system configuration aligns with Treasury processes, control standards, and SaaS constraints
• Maintain technical documentation and configuration baseline for auditability
• Contains and resolves high impact issues affecting risk and compliance
• Define regression testing scope and approve production deployments

Education

Degree in IT/Engineering/Finance

Vendor certifications preferred

Advanced SQL capacity

Strong treasury business operation understanding

Strong configuration and data model knowledge

Integration experience (APIs, SWIFT, SFTP, ERP)

Tools

API integration

SWIFT integration

SFTP integration

ERP integration

SaaS release models

Job description

3 Level Treasury Systems Support with FIS Integrity Treasury Application

Our Client is looking to recruit a Level 3 Treasury Systems Specialist will be responsible for the configuration, integrity, and controlled evolution of the Treasury Management System and its integrations, ensuring that all system changes are delivered safely, efficiently, and aligned to Treasury requirements.

Technical Platform Management & Treasury System Integrity.

• Ensures integrity, resilience, and controlled operation of the Treasury platform, safeguarding payment execution, liquidity visibility, risk processing, and accounting accuracy.
• Configure and maintain FIS Integrity TMS workflows, parameters, and reference data
• Manage integration architecture across banks, trading platforms, ERP, and market data providers
• Ensure system configuration aligns with Treasury processes, control standards, and SaaS constraints
• Maintain technical documentation and configuration baseline to support audit and traceability

Complex Issue Resolution & Treasury Risk Containment

• Contains and resolves high impact issues that threaten Treasury operational integrity, financial risk exposure, or regulatory compliance.
• Diagnose and resolve high‑severity system and integration issues
• Perform cross‑system root‑cause analysis covering data, configuration, and integration layers
• Implement corrective and preventative actions to reduce recurrence of Treasury‑impacting incidents
• Analyse incident trends to strengthen platform resilience and reduce operational risk

Release & Regression Governance with Treasury Assurance

• Protects Treasury outcomes during change by ensuring releases are safe, controlled, and aligned to business risk.
• Define regression testing scope based on Treasury risk and process criticality
• Validate system changes prior to release against technical and control criteria
• Approve production deployments and technical release readiness

Ensures release execution meets governance, audit, and SaaS requirements Controls, Configuration & Audit Governance

• Ensures Treasury systems remain audit ready, controlled, and compliant with segregation of duties and access policies.
• Maintain configuration standards and SoD controls
• Monitor system access and privileged configuration changes
• Support internal and external audits with traceable configuration and change evidence
• Ensure ongoing compliance with Company control and governance framework

Enhancements & Project Delivery Supporting Treasury Outcomes

• Delivers platform enhancements that improve Treasury efficiency, accuracy, and control without introducing operational risk.
• Deliver system enhancements and configuration improvements
• Support Treasury projects and platform upgrades
• Translate approved functional requirements into robust system design aligned to SaaS constraints

The role operates as the second line of defence for Treasury technology risk, safeguarding platform integrity and ensuring that system design, change, and configuration do not introduce financial, regulatory, or operational exposure to Treasury.

System configuration supports business processes accurately

Changes are delivered safely without introducing risk

Integrations operate reliably across all connected systems

System behaviour is consistent and auditable

Release cycles are governed and aligned to Treasury operations

The role acts as the technical control layer of the platform, ensuring that all system changes meet both operational and regulatory requirements.

Must have the following:

• 1-2 years’ experience 2nd/3rd Line Support capacity in FIS Integrity
• Strong configuration and data model knowledge
• Strong Treasury business operation understanding
• Advanced SQL capability
• Integration experience (APIs, SWIFT, SFTP, ERP)
• Experience with SaaS release models

Desirable

• Experience with ATS or equivalent frameworks
• Custom reporting and data modelling experience
• Exposure to global Treasury implementations

Qualifications

• Degree in IT, Engineering, or Finance
• Vendor certifications preferred

This is a hybrid position with 3 days a week in the office in Central London.

The salary will be in the range £80K - £100K.