Staff Accountant

Own the Numbers Behind Life-Saving Medical Devices

At Life Science Outsourcing (LSO), financial integrity is not a back-office formality. As a medical device contract manufacturer operating under FDA regulations and ISO 13485 standards, we run on a general ledger that leadership can trust without a second thought, because every decision it informs ultimately touches a patient. The Staff Accountant works alongside the Controller to deliver that reliability, month after month.

If you bring disciplined close experience, sharp analytical instincts, and an appetite for using AI and automation to eliminate the repetitive work that slows most accounting teams down, this role was built for you.

What You'll Do

As a key member of our Finance team reporting to the Controller, you will safeguard the integrity of the general ledger and drive the month-end close, serving as a trusted analytical partner to business leaders across the company.

Month-End Close & Financial Reporting

• Drive an accurate and timely month-end close, including review and analysis of all profit and loss and balance sheet transactions.
• Prepare and review journal entries, accruals, and supporting schedules that stand up to scrutiny.
• Analyze and reconcile balance sheet accounts, chasing down discrepancies until they are resolved.
• Partner with business leaders to communicate and publish financial results and key performance indicators.

Compliance, Controls & Audit

• Monitor and enforce internal controls across accounting processes, treating them as the backbone of reliable reporting.
• Support quarterly and year-end audits, plus any internal or external audits, with documentation that is ready when asked.
• Complete tax filings including Sales and Use and Property tax forms.
• Perform intercompany reconciliations across LSO entities and keep financial information strictly confidential.

AP & AR Oversight

• Provide oversight and serve as backup for accounts payable and accounts receivable activities.
• Review accrued liabilities and expenses for completeness and accuracy.
• Resolve cash and credit card issues in coordination with the finance team.

Analysis & Executive Support

• Support the finance management team and executives with analyses and ad hoc projects that shape real decisions.
• Assist in preparing quarterly audit committee presentations.
• Maintain organized historical records and supporting documentation.

Process Improvement & Automation

• Identify repetitive, manual accounting tasks and apply AI and automation tools to streamline them.
• Help the finance team modernize how the close, reconciliations, and reporting get done.

What You Bring

Skills & Experience

• Two-year degree in Accounting or Finance required; bachelor's degree preferred.
• 3+ years of progressive accounting experience, including general ledger ownership and month-end close.
• Strong knowledge of general accounting principles, including AP, AR, invoice reconciliation, and cost accounting.
• Advanced Excel skills and proficiency across Microsoft Office.
• Experience with an ERP or accounting system; Deacom experience is a plus.
• Ability to communicate effectively, both orally and in writing.

Mindset & Impact

• Detail-oriented with an uncompromising commitment to accuracy and data integrity.
• An analytical problem solver who digs into discrepancies rather than working around them.
• Organized and dependable under close deadlines, when precision matters most.
• Genuinely interested in applying AI and automation tools to streamline repetitive accounting work, with either hands-on experience or a strong desire to learn.
• Brings an ownership mindset to controls and compliance rather than treating them as checkbox exercises.

Nice to Have

• Experience in a manufacturing or contract manufacturing environment.
• Familiarity with FDA 21 CFR Part 820 or ISO 13485 regulated operations.
• Certificate in Accounting or Bookkeeping.
• Hands-on experience using AI or automation tools (AI assistants, scripting, or ERP workflow automation) to reduce manual, repetitive work.

Why Join LSO?

• Do work with real stakes: your accuracy underpins financial decisions behind life-saving medical devices.
• Work directly with the Controller and gain visibility with executives, including quarterly audit committee exposure.
• Build modern finance skills: this team is actively applying AI and automation to the close, not just talking about it.
• Deepen regulated-industry experience inside an FDA registered, ISO 13485 certified manufacturer, a credential that travels well.
• Join a PE-backed organization with the resources and growth trajectory to expand your scope.

Work Environment

• On-site, full-time at the Somersworth, NH facility.
• Primarily a professional office environment within an FDA 21 CFR Part 820 and ISO 13485 regulated contract manufacturing operation.
• Requires the ability to sit and view a computer monitor for extended periods.
• Involves moving between floors and departments, including walking up and down stairs.
• Occasional visits to production and warehouse areas may require adherence to facility safety and gowning requirements.
• Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the role.

Make an Impact

Every close you deliver and every control you enforce stands behind decisions that put medical devices into the hands of patients. The Staff Accountant keeps LSO's financial foundation solid enough that leadership never has to question the numbers, and clean enough that auditors find exactly what they expect. If you are ready for an accounting role where your precision has real consequences, and real rewards, LSO is ready for you.