Technical Senior SIPP Administrator

Technical Senior SIPP Administrator HMRC Reporting & Transition Support (Contract)
Contract Details
Contract Length: 6 months

Rate: Competitive day rate (DOE)
Location: Fully Remote (UK-based required)

Overview
We are supporting a growing financial services organisation seeking an experienced Senior SIPP Administrator to provide specialist support during a key operational period.

This role combines hands-on SIPP administration, HMRC reporting expertise, and knowledge transfer responsibilities, making it ideal for a technically strong contractor who can deliver immediate impact while supporting long-term capability within the business.

Role Purpose
To deliver high-quality end-to-end SIPP administration across a complex portfolio, while taking ownership of HMRC reporting obligations, technical oversight, and structured handover to the internal team.

Key Responsibilities
SIPP Administration & Case Management

• Oversee full lifecycle administration of SIPPs, from onboarding through to ongoing servicing
• Process contributions, transfers (in/out), crystallisations, and benefit payments
• Manage drawdown activity, including pension payroll calculations
• Take ownership of complex, non-standard, and high-value cases
• Ensure all activities are completed accurately, efficiently, and in line with FCA and HMRC requirements

HMRC Reporting & Tax Compliance

• Prepare and submit Event Reports, including benefit crystallisation and other reportable events
• Complete Accounting for Tax (AFT) returns, including calculation and reporting of scheme tax charges
• Manage and submit Relief at Source (RAS) claims within required timelines
• Complete and maintain Pension Scheme Returns (PSR)
• Monitor and report on lump sum allowances and post-LTA regulatory requirements
• Support reporting requirements for overseas transfers (QROPS) where applicable
• Ensure all HMRC submissions are accurate, timely, and compliant with current legislation

Technical Oversight & Quality Assurance

• Act as a subject matter expert on SIPP regulation and pension tax rules
• Review and check work completed by team members to ensure accuracy and compliance
• Provide technical guidance on complex cases and regulatory interpretation
• Maintain up-to-date knowledge of pension legislation and HMRC changes

Client & Stakeholder Management

• Liaise with clients, advisers, and third parties to resolve queries efficiently
• Maintain high service standards and clear communication across stakeholders
• Support resolution of complex or escalated issues

Process Improvement

• Identify opportunities to improve operational efficiency and controls
• Assist in enhancing internal processes and documentation
• Support consistent delivery of high-quality administration across the team

Knowledge Transfer & Transition Support (Key Focus)

• Train internal pensions team on SIPP processes, HMRC reporting, and best practices
• Document procedures, workflows, and technical requirements
• Support a structured handover of responsibilities to the permanent team
• Act as a subject matter expert during transition, ensuring continuity and confidence in ongoing administration
• Contribute to building a sustainable, scalable internal SIPP function

Candidate Profile

Essential

• 5+ years experience in SIPP administration (end-to-end lifecycle)
• Strong working knowledge of HMRC pension reporting (Event Reports, AFT, RAS, PSR)
• Proven experience handling complex pension cases independently
• Strong understanding of UK pension legislation and regulatory requirements
• High level of accuracy and attention to detail
• Ability to work autonomously in a remote environment

Desirable

• Experience supporting team training, mentoring, or transitions
• Exposure to scheme implementations or internalisation of pension services
• Professional qualifications (CII, PMI, or equivalent)

Why Apply?

• Immediate contract with a well-regarded organisation
• Fully remote
• High-impact role combining technical, operational, and strategic input
• Opportunity to shape and support a long-term internal pensions capability