Controller

Part-Time Controller (GovCon / Unanet) — Own the Function

Location: Remote / Hybrid (DC Metro preferred) Type: Part-Time (20–30 hours/week) Reports To: CEO

Overview

We are a growing government contracting company seeking a hands-on, high-accountability Controller to fully own the accounting and finance function. This is not a support role. This individual will be responsible for building, managing, and maintaining a DCAA-compliant accounting environment, delivering accurate financial reporting, and providing clear visibility into company financial performance and cash position. The ideal candidate operates independently, takes full ownership, and brings deep expertise in GovCon accounting and Unanet.

What Success Looks Like (First 60–90 Days)

• Monthly close completed by the 10th, consistently and without executive involvement
• Financial reporting package delivered proactively with clear insights
• AR/AP actively managed with no surprises
• Real-time visibility into cash position and runway
• Accounting processes documented, standardized, and repeatable
• Confidence in audit readiness (DCAA-compliant environment)

Key Responsibilities

Accounting Ownership

• Own and execute the monthly close process end-to-end
• Maintain accurate general ledger and supporting schedules
• Ensure timely and accurate financial data across all systems

Financial Reporting & Insights

• Prepare and deliver monthly financial statements (P&L, Balance Sheet, Cash Flow)
• Provide actionable insights to leadership on performance, trends, and risks
• Support budgeting, forecasting, and variance analysis

Cash Flow & Working Capital

• Manage and forecast cash flow
• Provide clear visibility into current and projected cash position
• Monitor burn rate, receivables, and payables

GovCon Accounting & Compliance

• Ensure compliance with FAR, DCAA, and indirect rate structures
• Maintain audit-ready financial records and documentation
• Support DCAA audits and external financial reviews as needed
• Manage job costing, project setup, and cost allocations

Systems & Process Ownership

• Own and optimize Unanet
• Establish scalable accounting processes and internal controls
• Identify and implement process improvements and automation opportunities

Operational Oversight

• Oversee AR/AP functions and ensure timely execution
• Manage and coordinate with bookkeepers, external accountants, or vendors
• Ensure all financial operations run smoothly and efficiently

Requirements

• 7+ years of accounting and/or finance experience
• Proven experience in government contracting (GovCon) accounting
• Hands-on experience with Unanet
• Demonstrated ownership of the full accounting function (Controller-level responsibility)
• Strong knowledge of FAR, DCAA compliance, and indirect rate structures
• Ability to operate independently with minimal oversight
• Strong attention to detail and commitment to accuracy

Preferred Qualifications

• Experience supporting or leading DCAA audits
• CPA or equivalent experience
• Experience in small to mid-sized GovCon environments
• Experience building or cleaning up accounting processes and systems
• Familiarity with scaling finance operations in a growing company

Why This Role

• True ownership of the finance function
• Direct visibility and impact with executive leadership
• Flexible, part-time structure with meaningful responsibility
• Opportunity to build and optimize systems in a growing GovCon company

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status").