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Senior Accountant (Remote)

Mammoth Biosciences
Brisbane, CA
Start date
Jul 30, 2022

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Administration, Accounting
Required Education
Masters Degree/MBA
Position Type
Full time
Biotech Bay
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Job Details

We are looking for an experienced, knowledgeable and highly organized Senior Accountant to join our Finance department. Reporting to the Corporate Controller, this is an exciting opportunity to be part of a high-growth company in the biotech sector.  This role can be done remotely with travel into the office needed, at most, once a month.
  • Monthly, quarterly, and year-end close process- general journal entries, accruals, account analysis, and reconciliation of various balance sheet accounts
  • Manage the general ledger accounting activities, such as cash/investments, prepaids, fixed assets, payroll, and various expense accruals
  • Process US, multi state payroll utilizing a professional employer organization (PEO) platform for exempt and non-exempt employees and be familiar with payroll tax filing requirements.
  • Resolve payroll issues and respond to employee payroll inquiries
  • Be part of a team that creates and implements policies and procedures to identify, resolve and document accounting issues
  • Assist with various aspects of external audits, including preparation of audit schedules and reviewing outstanding items lists
  • Partner cross-functionally with Account Payable (AP) to establish best practices, as well as assist with on-going process refinement to improve the efficiency and accuracy of General Ledger (GL) accounting and reporting
  • Assist in system implementation and enhancing accounting procedures to maintain and enhance the internal control environment over operational accounting processes and systems
  • Prepare 571L property tax filing and other compliance filings as needed
  • Support special ad hoc projects as needed
  • Occasional travel into the office, at most, once a month

  • Bachelor's Degree in a relevant field, 5+ years of accounting experience or a Masters degree with 3+ years experience
  • Experience with processing exempt and non-exempt payroll accurately and in a timely manner
  • Working knowledge of GAAP, month-end close processes, understanding of internal controls, operational accounting procedures, and financial reporting
  • Intermediate to advanced Excel skills
  • Experience with NetSuite or other enterprise/accounting software

  • Bachelor's of Science in Business Administration with a major in accounting
  • Accounting experience in the life sciences industry
  • Experience with TriNet or another payroll platform
  • Experience as a key member of a general ledger team with a high volume of transactions and complex accounting processes
  • Flexible and drawn to a fast-paced environment
  • Strong analytical, problem-solving, and multitasking skills
  • Ability to efficiently and effectively prioritize and perform multiple projects while working with team members, as well as work independently with limited direction
  • Positive attitude and flexibility to changing priorities, especially in the period of month/quarter/year-end closing 
  • Strong verbal and written communication skills to effectively present to peers and management
  • Eager to learn new things and take on additional tasks to support the team
  • High degree of confidentiality, integrity, and judgment
  • Superior organization skills and attention to detail

  • Company-paid health/vision/dental benefits
  • Unlimited vacation and generous sick time
  • Company-sponsored meals and snacks
  • Wellness, caregiver and ergonomics benefits
  • 401(k) with company matching

Mammoth Biosciences is harnessing the diversity of life to power the next generation of CRISPR products. Through the discovery and engineering of novel CRISPR systems, the company is enabling the full potential of its platform to read and write the code of life. Mammoth aims to develop permanent genetic cures through best-in-class in vivo and ex vivo therapies and to democratize disease detection with on-demand diagnostics. Mammoth can provide enhanced diagnostics and genome editing for life science research, healthcare, agriculture, biodefense and more. Based in the San Francisco Bay Area, Mammoth Biosciences is co-founded by CRISPR pioneer and Nobel Laureate Jennifer Doudna and Trevor Martin, Janice Chen, and Lucas Harrington. The firm is backed by top institutional investors including Redmile Group, Foresite Capital, Senator Investment Group, Sixth Street, Decheng, Mayfield, NFX, and 8VC, along with leading individual investors including Brook Byers, Tim Cook, and Jeff Huber.

It is our policy and intent to provide equal opportunity to all persons without regard to race, color, religion, political affiliation, sex/gender (including gender expression/identity, pregnancy, childbirth and related medical conditions), marital status, registered domestic partner status, sexual orientation, age, ancestry, national origin, veteran status, disability, medical condition, genetic characteristics, and/or any other basis protected by law.  This policy covers all facets of employment including, but not limited to: recruitment, selection, placement, promotions, transfers, demotions, terminations, training, and compensation.

Mammoth Biosciences requires that all employees be vaccinated against COVID-19 as a condition of at-will employment, with exceptions for medical or religious reasons in compliance with local, state, and federal law. 


Mammoth Biosciences is harnessing the diversity of nature to power the next generation of CRISPR products. Through its discovery of novel CRISPR systems, the company is enabling the full potential of its platform to read and write the code of life. With a distinguished team including co-founder and CRISPR-Cas genome editing co-inventor Jennifer Doudna, Mammoth is addressing challenges across healthcare, agriculture, environmental monitoring, biodefense, and more.

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Find Us
(650) 294-8583
South San Francisco
United States
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