Senior Collections Specialist, Public Sector

About the role

You will own the end-to-end resolution of complex payment issues for government customers, acting as the primary internal advocate for their unique billing and procurement constraints. This role requires you to translate intricate public sector rules into actionable steps that keep our order-to-cash cycle moving efficiently. You will serve as a critical bridge between our software platform and the realities of government finance departments. Your work will directly impact how reliably and predictably our government customers can fund their public safety and public service missions. You will mentor junior team members on best practices for navigating public sector bureaucracy. Ultimately, you will ensure that Mark43 remains a trusted partner for agencies that manage taxpayer funds with strict accountability.

Key facts

What you'll do

Investigate and resolve accounts receivable exceptions by analyzing purchase orders, contracts, and government approval workflows to identify the root cause of billing holds.

Champion customer disputes by gathering supporting documentation, coordinating with internal stakeholders, and negotiating payment arrangements that comply with public sector regulations.

Verify invoice accuracy against government billing standards, ensuring purchase order numbers, encumbrance codes, and fund codes are correctly applied before submission.

Streamline the approval pipeline by proactively engaging with finance contacts at federal, state, county, and local levels to prevent bottlenecks at controller or auditor review stages.

Monitor aging reports and cash flow metrics to prioritize high-value interventions that reduce days sales outstanding and improve collection velocity.

Collaborate with implementation teams to configure initial billing rules that reflect complex public sector invoicing policies and appropriation constraints.

Educate customers on Mark43 platform features that simplify their payment processes, such as automated reminders and detailed audit trails for controller reviews.

Partner with deal desk to evaluate contract terms and ensure renewals or amendments do not create billing disruptions due to funding lapses or budget cycles.

Maintain detailed records of all communications and resolutions in customer relationship management tools to ensure continuity and compliance.

Support revenue forecasting by providing accurate cash collection timelines based on historical government payment patterns and current portfolio health.

Requirements

Must be authorized to work for any employer in the country where the role is based, with no sponsorship available for work authorization at this time.

Must bring direct experience working with or collecting payments from public sector organizations such as cities, counties, states, federal agencies, or public safety departments.

Must demonstrate a thorough understanding of government procurement processes, including the use of purchase orders, encumbrances, and appropriation controls.

Must be comfortable navigating environments where invoices require multiple levels of approval, including auditor review, controller sign-off, and municipal council or board resolutions.

Must show ability to interpret complex billing references, milestone acceptance criteria, and supporting documentation requirements common in public sector contracts.

Must possess strong written communication skills to engage with government finance teams, legal departments, and executive stakeholders via email and formal correspondence.

Must exhibit patience and persistence when managing collections cycles that can span multiple fiscal years and budget periods.

Must uphold strict confidentiality when handling sensitive customer financial data and government-specific information.

Nice to have

Prior experience with law enforcement, public safety, or emergency services billing environments.

Familiarity with specific government accounting systems or fund accounting principles.

Experience working within UK government agencies for roles requiring similar billing and collections processes.

Practical notes

This is a full-time position based in our New York, NY office.

Applicants must be authorized to work in the country of the role location; we cannot sponsor work visas.

The compensation range for this role is $90,000.00 to $120,000.00, commensurate with experience and expertise.