Controller

Part-Time Controller (GovCon / Unanet) — Own the FunctionLocation: Remote - Candidates must live in the DC AreaType: Part-Time (20–30 hours/week)Reports To: CEORate: 60-80/hr. OverviewWe 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 involvementFinancial reporting package delivered proactively with clear insightsAR/AP actively managed with no surprisesReal-time visibility into cash position and runwayAccounting processes documented, standardized, and repeatableConfidence in audit readiness (DCAA-compliant environment)Key ResponsibilitiesAccounting OwnershipOwn and execute the monthly close process end-to-endMaintain accurate general ledger and supporting schedulesEnsure timely and accurate financial data across all systemsFinancial Reporting & InsightsPrepare and deliver monthly financial statements (P&L, Balance Sheet, Cash Flow)Provide actionable insights to leadership on performance, trends, and risksSupport budgeting, forecasting, and variance analysisCash Flow & Working CapitalManage and forecast cash flowProvide clear visibility into current and projected cash positionMonitor burn rate, receivables, and payablesGovCon Accounting & ComplianceEnsure compliance with FAR, DCAA, and indirect rate structuresMaintain audit-ready financial records and documentationSupport DCAA audits and external financial reviews as neededManage job costing, project setup, and cost allocationsSystems & Process OwnershipOwn and optimize UnanetEstablish scalable accounting processes and internal controlsIdentify and implement process improvements and automation opportunitiesOperational OversightOversee AR/AP functions and ensure timely executionManage and coordinate with bookkeepers, external accountants, or vendorsEnsure all financial operations run smoothly and efficientlyRequirements7+ years of accounting and/or finance experienceProven experience in government contracting (GovCon) accountingHands-on experience with UnanetDemonstrated ownership of the full accounting function (Controller-level responsibility)Strong knowledge of FAR, DCAA compliance, and indirect rate structuresAbility to operate independently with minimal oversightStrong attention to detail and commitment to accuracyPreferred QualificationsExperience supporting or leading DCAA auditsCPA or equivalent experienceExperience in small to mid-sized GovCon environmentsExperience building or cleaning up accounting processes and systemsFamiliarity with scaling finance operations in a growing companyWhy This RoleTrue ownership of the finance functionDirect visibility and impact with executive leadershipFlexible, part-time structure with meaningful responsibilityOpportunity 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").