PT Staff Accountant 1099

Intro
At MO, we challenge the status quo and help government leaders shape the future. We engineer scalable, human-centered solutions that help agencies deliver their mission faster and better. Our teams blend product, design, AI, data, and modern software practices to modernize legacy systems, build new digital platforms, and deliver mission-ready products that drive sustainable change.
We live by our values—Own It. Grow Together. Lead with Courage and Integrity. Win as One. Sustain the Climb. Stay Human. They guide how we build, collaborate, and lead. From cloud infrastructure and data engineering to AI integration and service design, we connect technology and experience to deliver outcomes that scale.
We’re building a company where technologists, designers, and builders can serve the mission, grow their craft, and help shape the future of digital government. At MO, your work doesn’t just make a difference—it advances the mission and helps build a more capable, trusted, and human government.
Overview
We are looking for a Staff Accountant with Government Contracting (GovCon) experience to own the core day-to-day accounting operations of the business. This role will consolidate the majority of accounting responsibilities. This is a hands-on, ownership-driven role ideal for someone who enjoys operating in a small GovCon environment, is comfortable owning AR/AP and the general ledger, and wants to grow into a Controller-level role over time. The Staff Accountant will report to MO’s Fractional CFO and partner closely with leadership to maintain strong financial controls, compliance, and reporting as the company scales.
This role is hybrid (3 days / week in-person), with a strong preference for candidates based in the Phoenix, AZ area to enable close collaboration with the CEO. Exceptional candidates located in approved states may be considered, with the expectation of regular in-person time in Arizona.

What You'll Do

• Core Accounting Operations
• Own Accounts Receivable and Accounts Payable end-to-end, including invoicing, collections, vendor payments, and reconciliations
• Maintain and reconcile the general ledger, ensuring accurate classification and documentation of all transactions
• Execute month-end close activities, including journal entries, balance sheet reconciliations, and variance analysis
• Ensure timely, accurate billing and revenue recognition aligned with contract terms and funding


• Government Contracting Accounting & Compliance
• Support accounting operations in compliance with GAAP, FAR, CAS, and DCAA expectations
• Track and support indirect cost pools and allocations in partnership with the CFO
• Assist with audit readiness, including preparation of schedules, documentation, and support for external CPA or government reviews
• Support compliance activities related to contract accounting, cost allowability, and billing structures
• Assist with incurred cost, provisional rate, or pricing-related support activities as needed


• Financial Reporting & Analysis
• Prepare recurring internal financial reports and dashboards for leadership
• Perform variance analysis against budgets, forecasts, and prior periods
• Support ad-hoc financial analysis to inform decision-making


• Process Improvement & Controls
• Identify opportunities to improve accounting workflows, controls, and documentation
• Assist in developing and maintaining accounting policies, procedures, and SOPs
• Support accounting system enhancements, automation, and reporting improvements (e.g., Unanet, reporting tools)


• Growth & Leadership Path
• Build the skills, judgment, and systems required to take on increased responsibility over time
• Prepare to evolve into a Senior Accountant / Assistant Controller / Controller role as MO grows
• Serve as a trusted partner to the CFO and leadership team on financial discipline and scalability

What You'll Bring

• Required Qualifications
• Bachelor’s degree in Accounting or Finance
• 3-7+ years of progressive accounting experience
• Hands-on experience owning AR/AP and general ledger accounting
• Working knowledge of GAAP and government cost accounting principles
• Experience supporting audits or external financial reviews


• Preferred Qualifications
• Government contracting experience in a small or mid-sized business strongly preferred
• Experience with GovCon accounting systems—Unanet preferred
• Familiarity with FAR/CAS cost allowability and indirect rate structures
• Exposure to multiple contract types (FFP, T&