Controller

Job Description

Job Description

Company Overview

Mosaic Biosciences is a discovery and preclinical development company that partners with biopharmaceutical companies to discover novel protein and antibody therapeutics. Our experienced and dedicated research teams collaborate with our partners to design, manage, and execute research programs to rapidly advance clinical candidates, starting at any point from early discovery into preclinical development

Position Overview

Mosaic is seeking a strategic, hands-on Controller to lead and scale our accounting and financial operations as we continue to grow. The Controller will serve as a key member of the Finance leadership team, working closely with the CFO to provide financial insight, operational excellence, and strategic guidance that supports Mosaic’s continued expansion. This individual will oversee all accounting functions, implement scalable systems and processes, and play a central role in financial strategy, reporting, and cross-functional decision-making.

Key Responsibilities

• Accounting Operations

Oversee all accounting activities, including general ledger, accounts payable, accounts receivable, payroll, and expense reporting.

Lead the preparation, analysis, and presentation of financial statements, management reports, and key business metrics.

Ensure compliance with GAAP and applicable federal, state, and local regulatory laws and rules.

Work closely with the CFO to provide financial and business insights supporting Mosaic’s operational and strategic goals, including key financial drivers, P&L trends, client / project profitability, and cost optimization,

Qualifications

Location : On-site – 5710 Flatiron Parkway, Boulder, CO 80301

Department : Finance

Reports to : Chief Financial Officer

Compensation : $150,000 - $180,000

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