We're Hiring - Middle Office Reconciliation Head at London, UK (Hybrid)

Company: MainStreamTek Corporation

Location: London

Posted: May 5th, 2026

The Middle Office Reconciliation Head owns end‑to‑end reconciliation and data integrity across positions, valuations, and transaction data for Client’s global custody and investment servicing clients. The role is accountable for operational control, automation strategy, exception management, and transformation, ensuring accurate books and records across asset classes while driving scalability, STP, and risk reduction through technology‑enabled solutions.

1. Domain Ownership – Positions, Valuations & Transactions

Position Reconciliations

Oversee reconciliation of security positions across: Cover complex products including: Ensure position accuracy across: Drive root cause reduction on systemic position breaks (corporate actions, settlement failures, asset servicing events).

Valuation & Pricing Reconciliations

Own valuation difference analysis across: Handle valuation complexities including: Ensure governance around: Partner with Valuation, Product Control, and Pricing teams to resolve systemic valuation differences.

Transaction & Activity Reconciliations

Oversee reconciliation of transaction flows from front office through settlement and accounting: Monitor integrity of: Ensure accurate reflection of transactions in downstream books and client reporting. Define and execute a reconciliation automation roadmap aligned to Client’s strategic platforms. Drive adoption of:

Advanced Capabilities

Partner with Technology and Transformation teams on:

Risk, Controls & Governance

Own reconciliation‑related operational risk, SOX controls, and regulatory commitments. Ensure completeness, accuracy, and timeliness of: Deliver sustainable remediation, not workarounds.

Client & Stakeholder Management

Serve as a senior partner to: Support client onboarding, conversions, and new product launches with strong reconciliation design. Present reconciliation health, automation progress, and risk posture to senior leadership. Lead and develop multi‑layered global teams (Managers, Team Leads, SMEs). Build deep domain expertise across asset classes and reconciliation disciplines. Drive performance, engagement, and succession planning.

Required Qualifications

Experience

Education & Certifications

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