Senior Manager – International Social Security Tax

🕒 October 28, 2025

🏢🏡 London – Hybrid

⏰ Full Time

🟠 Senior

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EY

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1989

💸 Finance

Finance • Consulting • Technology

EY is a global professional services firm, widely recognized for providing audit, tax, consulting, and advisory services. It focuses on helping its clients solve complex problems and transform their businesses using data and technology. EY is committed to building a better working world by enhancing trust in financial markets and economies globally. Its services include corporate finance advisory, transaction strategy, technology consulting, and more, catering to sectors such as health, energy, finance, government, and more. EY also emphasizes sustainability and innovation in its solutions.

📋 Description

• Lead the delivery of global ISS compliance services, including Certificates of Coverage, Modified National Insurance returns, and voluntary contributions. • Provide expert technical advice on complex international social security issues, such as totalization agreements and multi-country assignments. • Act as the primary point of contact for clients, building long-term relationships and ensuring high levels of satisfaction. • Liaise with government authorities in the UK and abroad to resolve client matters. • Contribute to the development and oversee the rollout of EY’s ISS strategy and service offerings across markets, people, and operations. • Identify and pursue cross-selling opportunities within PAS and the broader EY service lines. • Support the creation of thought leadership materials, including articles, presentations, and whitepapers on technical topics and broader trends such as technology. • Mentor and coach junior team members, fostering both technical and professional growth. • Coordinate efforts across EY’s global network and GDS back-office teams. • Ensure operational excellence and financial discipline across engagements. • Oversee risk management and ensure compliance with EY’s policies and regulatory standards. • Monitor legislative changes and proactively advise clients on potential impacts.

🎯 Requirements

• Extensive experience in international social security, ideally within a Big 4 firm or equivalent. • Strong technical knowledge of UK and global social security systems. • A proven track record of winning and managing complex projects and client relationships. • Excellent communication, leadership, and organisational skills. • The ability to work both independently and collaboratively in a fast-paced environment, with a strong commitment to personal growth and continuous learning.

🏖️ Benefits

• Global Exposure: Work with international clients and collaborate across EY’s global network. • Career Progression: Lead high-impact projects and shape your professional journey. • Support & Coaching: Learn from industry leaders and receive ongoing mentoring. • Flexible Working: Hybrid model (minimum two days in the office) with a focus on work-life balance. • Total Rewards: Competitive salary, comprehensive benefits, and exclusive EY perks. • Inclusive Culture: A workplace where you belong, feel valued, and can thrive.