Senior Bookkeeper

Job Title: Senior Bookkeeper

Location: OS2 Corporation (3026 SW 42nd Street, Ft Lauderdale, FL)

Position can be in-office M-F OR hybrid - working 1-2 days/week from home.

Company Overview:

OS2 Corporation ( has successfully streamlined procurement services for defense contractors and large organizations for the past 18 years. But that's just the beginning. OS2 customers get exactly what they need via different internal divisions housed with expert teams focused on specific products and services. We offer a complete solution, with clients receiving comprehensive support and expertise in one place covering all areas to include strategy, consulting, distribution, procurement, packaging engineering, in-house warehousing services, and contractor training.

Role Overview:
Purple Unicorn Enterprises , on behalf of OS2 Corporation' s Finance team is seeking a highly experienced and self-sufficient Senior Bookkeeper to manage all aspects of our accounting and financial operations with minimal onboarding or oversight . The ideal candidate will bring proven expertise in government contracts, international billing and invoicing , and a deep understanding of military or public-sector financial protocols with the ability to independently manage and report on daily company cash flow.

Key Responsibilities:

• Handle full-cycle bookkeeping, including A/P, A/R, payroll, journal entries and reconciliations
• Daily management and reporting of incoming cash flow and debt to income ratio.
  
• Manage general ledger and maintain accurate financial records in accordance with GAAP
  
• Prepare and process both domestic and international invoices , including currency conversion and compliance with international billing standards
  
• Effective cross-functional strategist driving all payment amounts and timelines across the organization, emphasizing close partnership with the internal Purchasing team.
  
• Coordinate month-end and year-end close procedures
  
• Ensure compliance with federal, state, and local reporting requirements
  
• Prepare and file sales tax, 1099s, and other regulatory filings
  
• Support external audits and financial reviews
  
• Generate customized financial reports and dashboards for internal stakeholders
  
• Collaborate with leadership on budgeting, forecasting, and project costing as well as external vendors, as needed.

Qualifications:

• Minimum 6+ years of professional bookkeeping and accounting experience
  
• Strong experience with international invoicing , including VAT, customs, and foreign currency handling
  
• High proficiency in QuickBooks , Excel, and accounting systems
• Degree in Accounting or Finance (or equivalent experience)
• Exceptional attention to detail, organization, and follow-through
  
• Proven ability to work independently, solve problems, and hit deadlines with little supervision
  
• Strong written and verbal communication skills
• Sublime attention to details. Every. Decimal. Matters!

Preferred:

• Experience with government and/or military contracts , billing procedures, and compliance
  
• Familiarity with project accounting software or ERP platforms
  
• CPA or Certified Bookkeeper designation (a plus but not required)

Benefits:

• 401K
• Health insurance
• Paid holidays

Compensation: $65 - 75K, dependent on candidate's experience