Staff Accountant

Mosaic Biosciences; Boulder (CO); On-site; USD 60,000 - 80,000; Full time

Job summary

A leading biotherapeutics company located in Boulder, Colorado, is seeking a detail-oriented Staff Accountant to manage daily accounting operations. This role involves overseeing journal entries, managing accounts payable, and preparing financial statements. The ideal candidate will have a Bachelor’s degree in accounting, strong GAAP knowledge, and advanced Excel skills. This position offers the opportunity to collaborate across teams in a fast-paced environment while contributing to significant financial operations.

Qualifications

• Bachelor’s degree in accounting or a related field.
• Strong understanding of GAAP.
• Advanced Excel skills.
• High attention to detail to meet deadlines.

Responsibilities

• Prepare and review journal entries and account reconciliations for month-end close.
• Oversee accounts payable process.
• Manage daily cash and bank reconciliation.
• Assist in the preparation of internal and external financial statements.

Skills

Attention to detail

Strong communication skills

Advanced Excel skills

Education

Bachelor’s degree in accounting or a related field

Tools

QuickBooks or similar accounting software

Job description

Overview

Mosaic Biosciences is a biotherapeutics drug discovery 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 Summary: Mosaic is looking for a detail-oriented Staff Accountant to own the day-to-day accounting operations. This is a hands-on role that involves close collaboration with teams across the organization. This role supports day-to-day accounting operations, including general ledger activities, journal entries, reconciliations, and month-end close. Responsibilities may include accounts payable, sales & use tax, fixed assets, and bank reconciliations. The role will also assist with financial reporting, special projects, and process improvements.

Key Responsibilities

• Prepare and review journal entries and account reconciliations for month-end close
• Oversee accounts payable process
• Manage daily cash and bank reconciliation
• Prepare monthly sales & use tax returns
• Assist in the preparation of internal and external financial statements
• Support the external audits and prepare audit-ready documentation
• Work with Project Management to obtain and review time-tracking data
• Complete ad hoc financial analysis and special projects, as needed

Qualifications & Skills

• Bachelor’s degree in accounting or a related field
• Strong understanding of GAAP
• Advanced Excel skills
• High attention to detail with the ability to meet deadlines in a fast-paced environment
• Strong communication skills and a collaborative mindset

Preferred Qualifications

• Industry accounting experience
• Experience with accounting software (e.g., QuickBooks or similar)
• Experience with biotech, pharma, or R&D-heavy organizations