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Sentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the team where you can build, innovate, and secure your career.

Sentar is seeking a Senior Billing Specialist in Huntsville, AL!

Role Description:

Sentar is seeking a detail-oriented and experienced Senior Billing Specialist to support billing and accounts receivable activities within a government contracting environment. This position is responsible for preparing, reviewing, and submitting accurate and timely invoices for federal and commercial contracts using Deltek Costpoint.

The ideal candidate has strong knowledge of government contract billing requirements, experience with multiple contract types, and the ability to interpret contract terms, funding documents, CLIN structures, indirect rates, and customer invoicing requirements. This individual will work closely with Program Management, Contracts, Project Accounting, Accounts Receivable, and other Accounting team members to resolve billing issues, reduce unbilled balances, support timely cash collection, and assist with contract closeout.

Essential Duties and Responsibilities

• Prepare, review, and submit accurate invoices for federal government contracts and subcontracts, as well as commercial contracts.
• Perform billing activities in Deltek Costpoint, including invoice generation, review, reconciliation, posting, and supporting-document preparation.
• Manage billing for a variety of contract types, including:
  • Cost Plus Fixed Fee (CPFF)
  • Time and Materials (T&M)
  • Firm Fixed Price (FFP)
  • Cost-reimbursable contracts
• Review contract terms, funding, ceilings, CLINs, labor categories, billing rates, indirect rates, fee calculations, and special billing instructions.
• Submit invoices through government and customer portals, such as PIEE/WAWF, IPP, and other agency-specific systems.
• Reconcile billing activity to project financial data, accounts receivable records, and the general ledger.
• Monitor unbilled receivables, billing backlog, funding limitations, and contract ceiling constraints.
• Research and resolve billing discrepancies, invoice rejections, payment delays, and customer inquiries.
• Coordinate with Program Managers, Contracts, Program Control, and Accounting to obtain required approvals and supporting documentation.
• Maintain complete and audit-ready billing files in accordance with company policies, contract requirements, and applicable government regulations.
• Support month-end and year-end close activities, including billing reconciliations and reporting.
• Assist with contract closeouts, final invoices, indirect rate adjustments, fee retainage tracking, and billing true-ups.
• Support internal, external, and government audits, including requests related to billing documentation and contract compliance.
• Identify and implement process improvements that increase billing accuracy, strengthen internal controls, and reduce invoice cycle time.
• Provide guidance and training to other staff performing billing functions and serve as a resource for complex billing matters.
• Perform other related duties as assigned.

Qualifications:

Clearance Level: N/A

Education:

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field; equivalent relevant experience may be considered.

Experience:

• At least five years of progressive billing or project accounting experience, including significant experience in a government contracting environment.
• At least three years of hands-on experience with Deltek Costpoint Billing.
• Demonstrated experience billing CPFF, T&M, FFP, and cost-reimbursable contracts.
• Experience reviewing contract documents, funding modifications, CLIN structures, billing instructions, and indirect rate information.
• Working knowledge of federal government contracting and billing requirements, including applicable FAR and DFARS provisions.
• Experience using government invoicing platforms such as PIEE/WAWF or IPP.
• Experience supporting DCAA, DCMA, customer, or external financial audits.
• Familiarity with provisional and final indirect billing rates.
• Experience with subcontractor or intercompany billing.
• Experience preparing final invoices and supporting government contract closeouts.
• Advanced Microsoft Excel skills, including PivotTables, lookup functions, formulas, and reconciliation of large data sets.
• Strong analytical and problem-solving skills with exceptional attention to detail.
• Ability to manage multiple priorities and meet recurring billing and month-end deadlines.
• Strong written and verbal communication skills.
• Ability to work independently while collaborating effectively across Accounting, Contracts, and Program Management teams.

Preferred Qualifications

• Experience with additional Deltek Costpoint modules, including Accounts Receivable and General Ledger.
• Experience mentoring or reviewing the work of other billing professionals.
• Prior experience in a professional services, cybersecurity, engineering, defense, or federal technology contractor environment.

Benefits at Sentar:

Our unique employee ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

• Voluntary Medical, Dental, Vision, with Flexible Spending Plan options
• Voluntary Life, Critical Illness, Accident, and Long Term Care insurance options
• Group Term Life, Short-Term and Long-Term Disability is provided by Sentar to all qualifying employees
• Generous 401(k) match
• Competitive PTO plan that graduates quickly with years of service
• Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty
• Tuition reimbursement
• Professional development reimbursement
• Recognition and Awards programs

If you are not ready to apply for this position, submit your resume here to join our talent community. We'll keep you updated occasionally on new job opportunities.

Sentar is an Affirmative Action and Equal Opportunity Employer M/F/Vets/Persons with Disabilities

Our culture is one of inclusivity and support. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M/F/Vets/Persons with Disabilities. Follow these links to learn more about your rights: EEO Is the Law Poster; EEO Is Law Supplement; and Pay Transparency.

We want you to build your career at Sentar, so if you are an individual with a disability and require a reasonable workplace accommodation applying for a job or at any point in the employment process, contact the Recruiting Manager at recruiting@sentar.com. Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

Build, Innovate, Secure Your Career at Sentar.