Senior Accountant (Biotech) - Hybrid + Stock Options

Obsidian Therapeutics, Inc.; Cambridge (MA); Hybrid; USD 122,000 - 150,000; Full time

Benefits offered by this job

Annual incentive bonus

Stock options

Comprehensive medical, dental, vision

Health savings & retirement benefits

Generous paid time off & wellness

Job summary

Obsidian Therapeutics, Inc. in Cambridge, MA, is seeking a highly motivated Senior Accountant to own the monthly close and support financial operations for a growing cell and gene therapy company.

You will lead cash reconciliations, journal entries, payroll accounting, and internal controls in a hybrid work environment, collaborating across Finance to deliver accurate, audit-ready reporting and to enable our lead program amsoki‑cel in solid tumor targets.

Qualifications

• Bachelor’s degree required in accounting/finance or related field.
• 5–7+ years of progressive accounting experience in biotech/pharma/life sciences preferred.
• Strong knowledge of GAAP and ability to apply accounting guidance to non‑routine transactions.
• Experience executing month‑end, quarter‑end, and year‑end closes.
• Hands‑on experience with treasury, cash management, and bank reconciliations.
• Proficiency with ERP systems and advanced Excel; ability to learn new systems quickly.

Responsibilities

• Execute month‑end, quarter‑end and year‑end close processes.
• Prepare journal entries and reconciliations for assigned areas.
• Train and provide cross‑functional support for procure‑to‑pay policies.
• Manage invoice entry and weekly payment runs.
• Oversee Travel & Expense system (Concur) and related journal entries.
• Execute payroll processing, reporting and accounting.
• Manage state withholding accounts and state tax compliance.
• Maintain short‑term cash forecasts and liquidity planning.
• Support external audits and preparation of audit schedules.
• Identify process improvements to enhance efficiency.

Skills

GAAP knowledge

Month/Quarter/Year-end close

Internal controls (SOX)

Treasury & cash management

ERP systems & advanced Excel

Analytical thinking & communication

Education

Bachelor’s degree in accounting, Finance or related field

Tools

NetSuite

Concur

Prendio

FloQast

ADP WorkForceNow

Job description

Obsidian Therapeutics, Inc. in Cambridge, MA, is seeking a highly motivated Senior Accountant to own the monthly close and support financial operations for a growing cell and gene therapy company.

You will lead cash reconciliations, journal entries, payroll accounting, and internal controls in a hybrid work environment, collaborating across Finance to deliver accurate, audit-ready reporting and to enable our lead program amsoki‑cel in solid tumor targets.