Assurance Senior Manager

About the role

GMCO is seeking an experienced Assurance Senior Manager to join our growing public accounting practice. This leadership role is ideal for a strategic, client-focused CPA who combines deep technical expertise with a passion for developing people, growing client relationships, and driving exceptional service outcomes. As an Assurance Senior Manager, you will lead complex audit, review, and advisory engagements across a variety of industries, serving as a trusted advisor to business owners, executives, and key stakeholders. You will oversee executive-level client relationships, provide leadership across multiple engagement teams, and guide the delivery of high-quality assurance services while balancing client needs with firm priorities. The ideal candidate brings strong leadership capabilities, a commitment to technical excellence, and a proven ability to contribute to client growth, team development, and the continued success of the firm's assurance practice.

Geffen Mesher and Company, PC (GMCO) proudly stands as one of Portland's foremost locally owned accounting firms, with a distinguished history of over 90 years dedicated to serving clients throughout the Northwest. We owe our enduring success to our client-centric ethos and unwavering commitment to our team members. We provide a full suite of professional services, including Accounting, Assurance, Business Consulting, Business Valuation, Data and Analytics, Litigation Support, Family Office, Transaction Services, and full-service Tax planning, spanning several industries. At GMCO, we believe in fostering strong, lasting partnerships with our clients, and we do the same for our team members. We are a large firm with a small firm feel. Our shareholders are humble, down-to-earth humans who hire and support motivated and resourceful people and provide opportunities to lead successful personal and professional lives. We provide ample growth opportunities whether you are starting as an intern, or you are a seasoned manager.

Responsibilities

• Lead and manage complex, multi-service assurance engagements across a variety of industries, providing strategic oversight throughout the engagement lifecycle while ensuring compliance with U.S. GAAP, GAAS, regulatory requirements, and firm methodology.
• Serve as a trusted advisor to executive-level client stakeholders by providing business insights, addressing complex accounting and financial reporting matters, and helping clients navigate evolving industry, operational, and regulatory challenges.
• Build and deepen executive-level client relationships through proactive communication, responsiveness, and a thorough understanding of client objectives, priorities, and business needs.
• Manage engagement economics with strategic foresight and financial discipline, overseeing pricing, budgeting, billing, scope management, staffing, and resource allocation across multiple concurrent engagements.
• Deliver technical leadership by researching and resolving complex accounting, auditing, and reporting matters; serving as a resource to engagement teams; and helping drive consistency and quality across the assurance practice.
• Review and approve financial statements, workpapers, and client deliverables, ensuring technical accuracy, compliance, and readiness for shareholder review.
• Integrate cross-functional services by collaborating across practice areas, connecting client needs to GMCO's broader service offerings, and delivering coordinated solutions that enhance client value.
• Drive business development and portfolio growth by identifying opportunities within existing relationships, supporting cross-selling efforts, developing new business opportunities, and contributing to market expansion initiatives.
• Lead, mentor, and develop managers, staff, and emerging leaders through coaching, performance feedback, career development planning, succession planning, and ongoing professional development opportunities.
• Champion organizational change and firm culture by leading strategic initiatives, promoting collaboration, modeling adaptability, and fostering an inclusive, high-performing team environment.
• Promote GMCO's brand and industry presence through networking, community involvement, professional organizations, speaking engagements, published insights, and thought leadership activities.
• Demonstrate and uphold core values including integrity, quality, innovation, stewardship, and inclusivity in all aspects of client service and team leadership.

Requirements

• Experience: Minimum 7+ years of recent public accounting experience in