Audit Senior Manager in Belfast

Sumer Northern Ireland is one of the region's leading accountancy and business advisory practices and part of the Sumer Group, the UK's fastest-growing network of professional services firms dedicated to supporting SMEs. Across the group, more than 2,500 specialists share a common ambition: to deliver trusted, high-quality advice while retaining the personalised, partner-led approach that sets us apart.

At Sumer NI, we are known for our hands‑on, proactive approach to audit and our strong relationships with clients across a wide range of industries. Our people are central to our success, which is why we invest heavily in learning, development and career progression at every level of the firm.

We believe great audit is about more than compliance. It's about insight, judgement and adding value. Our teams work closely with clients to understand their businesses, identify risks and deliver audits that are meaningful, relevant and commercially focused. At Sumer NI, you'll find a culture built on continuous development, collaboration and integrity. We support our people through structured training, mentoring and on‑the‑job learning, giving you the tools and exposure you need to progress your career with confidence.

We are seeking an experienced and commercially minded Corporate Audit Senior Manager to join our growing Northern Ireland practice. This is a senior leadership role with responsibility for overseeing a significant portfolio of corporate audit clients, leading multiple engagement teams and acting as a strategic adviser to clients and internal stakeholders. Working closely with Partners, you will play a key role in shaping the direction of the audit practice, driving client service excellence and contributing to the continued growth of the firm. You will combine deep technical expertise with strong leadership and commercial awareness, supporting both the development of our people and the expansion of our client base.

• Managing and overseeing a significant portfolio of corporate audit clients, acting as the primary relationship lead
• Providing strategic oversight of audit engagements, ensuring quality, efficiency and compliance across multiple assignments
• Supporting Partners in the planning and delivery of complex and high‑risk audit engagements
• Reviewing and challenging audit work to ensure technical excellence and adherence to auditing standards
• Acting as a trusted adviser to senior client stakeholders, providing insight and value beyond the audit process
• Leading, coaching and developing Managers and wider audit teams, supporting succession planning and talent development
• Driving business development, identifying opportunities with existing clients and supporting new client wins
• Contributing to practice management, including resource planning, audit quality initiatives and operational improvements
• Supporting Partners with the financial performance and growth of the audit portfolio

• ACA / ACCA qualified (or equivalent) with significant post‑qualification experience
• Extensive experience in corporate audit within a professional services environment
• Proven track record of managing complex audit portfolios and leading multiple engagements simultaneously
• Strong technical audit expertise, including experience with complex or high‑risk engagements
• Demonstrated ability to build and maintain senior‑level client relationships
• Experience leading and developing Managers and audit teams
• Strong commercial awareness with experience contributing to business development and practice growth
• Excellent leadership, communication and stakeholder management skills
• A strategic and solutions‑focused mindset, with the ability to drive improvements and influence outcomes

• Competitive salary and benefits package, including access to our employee benefits hub, with resources on health and financial well‑being as well as lifestyle savings
• Working in an environment that fosters learning and development
• Internal mentor and buddy system to support you through your career journey
• Personal development programs to facilitate career growth, alongside practical, on‑the‑job training

At Sumer, we know everyone's journey is different. That's why we're committed to fairness, removing barriers, and giving people the support they need to do their best work. Our values represent what matters most to us and guide how we work every day:

• We Shine Together
• We Do the Right Thing
• We Make It Count

We know diverse teams make us stronger. That's why we're creating an inclusive workplace where everyone belongs and differences are valued and celebrated.