Billing Specialist III - Government Contracts

Sierra Nevada Corporation; Herndon (VA); On-site; USD 90,000 - 115,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

401(k) with 150% match

Life insurance

3 weeks paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation in Herndon, VA seeks an experienced Billing Specialist III to lead complex government billing for high-visibility A&D programs. You will ensure cost data accuracy, support audits, and maintain compliance with FAR/DFARS while using Deltek Costpoint to manage project billing and revenue recognition.

The role requires 3–5 years of government contracting billing experience, strong Excel skills, and the ability to work under monthly deadlines in a fast-paced, audit-driven

Qualifications

• Associate degree in Accounting/Finance or related field.
• 3–5 years of billing experience in Aerospace & Defense or Government Contracting.
• Experience with SF 1034/1035, SF 1443, DD250 documentation and WAWF/PIEE is a plus.

Responsibilities

• Lead complex billing preparation and submission for Cost, Time & Materials, and Firm Fixed Price contracts.
• Validate costs for allowability and compliance with FAR/DFARS.
• Prepare audit-ready invoice packages for customers and government audits.
• Maintain billing matrices, project setup checklists, and schedules.
• Support accounts receivable and cash flow through reconciliations and issue resolution.
• Collaborate with Contracts, Program Management, Pricing, and Program Support to ensure accurate billing setup.

Skills

Deltek Costpoint

ERP systems

FAR/DFARS knowledge

Audit readiness

Excel proficiency

Analytical skills

Communication

Education

Associate’s degree in Accounting / Finance

Tools

Deltek Costpoint

Job description

If you are an accounting professional looking to make an impact in a rewarding industry, join our team! We’re seeking an experienced Billing Specialist III to support high-visibility Aerospace & Defense (A&D) programs requiring precision, compliance, and deep expertise in government contract billing. This role is ideal for a billing professional who thrives in a fast-paced, audit-driven environment and is highly skilled in Deltek Costpoint or comparable ERP system designed for A&D billing, Federal Acquisition Regulation (FAR)/Defense Federal Acquisition Regulation Supplement (DFARS) requirements, and complex contract structures. You will own billing execution for assigned programs—preparing accurate invoices, validating cost data, supporting audits, and ensuring complete compliance with U.S. Government accounting and billing regulations. Your work directly impacts cash flow, program financial health, and our relationships with major government customers. As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Responsibilities

Lead Complex Billing Preparation & Submission Prepare and submit Cost, Time & Material, Firm Fixed Price including Milestone, Progress Payment, and Performance‑Based invoices, using Deltek Costpoint ERP ensuring full compliance with contractual and FAR/DFAR requirements. Validate billed costs for allowability, allocability, and compliance with FAR 31.2. Tie every billed amount to project reports and gather required supporting documentation. Create, maintain and update Billing Matrices, Project Setup Checklists, and program‑specific billing schedules. Support AR and Cash Flow Assist in monthly AR billed/unbilled reconciliations. Partner with Accounting to resolve cash application issues. Support collection activities on aged receivables. Maintain Audit‑Ready Records & Internal Controls Follow internal billing controls, and departmental desk instructions. Prepare complete, audit‑ready invoice packages for Customers, Defense Contract Audit Agency (DCAA), Defense Contract Management Agency (DCMA), and corporate audits. Manage and maintain archive invoice documents and billings schedules. Partner Across the Business Collaborate with Contracts, Program Management, Pricing, and Program Support to ensure accurate billing setup, execution, and contract closeout actions. Resolve billing/collection issues, funding updates, contract mods, and revenue configuration questions. Provide input to process improvements and system enhancements.

Qualifications – You Must Have

Associate’s degree in Accounting, Finance, or related field. 3 -5 years of relevant billing experience within Aerospace & Defense or Government Contracting. Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 5 years of related experience is required. Higher level relevant degree may substitute for experience. Proficiency with accounting software and Enterprise Resource Planning (ERP) systems. Strong expertise in Deltek Costpoint or comparable ERP system for billing, revenue, GL/PL interactions, and project setup. Proven experience preparing SF 1034/1035, SF 1443, DD250 shipment documentation. Working knowledge of A&D contracts and experience in reviewing contracts to ensure proper project setup for billing and revenue recognition. Working knowledge of FAR, DFARS, Cost Accounting Standards (CAS), and government billing requirements. Strong reconciliation, analytical, and problem‑solving skills with the ability to validate costs against Project Cost Reports and General Ledger data. Demonstrated ability to manage high‑volume billing cycles on strict monthly deadlines. Experience supporting DCAA/DCMA audits and producing audit‑ready documentation. Advanced Excel proficiency; familiarity with Business Intelligence Reporting, Contract Life Cycle Management, and Data Warehouse tools. Ability to problem solve - applying originality, creativity, and initiative. Strong understanding of accounting principles and financial analysis. Strong organizational and time management skills. Ability to work independently and in a team environment. Excellent communication and interpersonal skills. Detail-oriented with strong problem solving skills. Proficiency with Automated Accounting Systems, ten key by touch, MS office products.

Qualifications – We Prefer

Experience billing multi-CLIN structure contracts and preparing Progress Payment (Standard Form 1443) submissions. Understanding of indirect rate adjustments. Background in A&D financial operations, revenue recognition, or accounting close and financial reporting cycle support. Experience with Government Invoice Portals (Wide Area Work Flow (WAWF)/Procurement Integrated Enterprise Environment (PIEE)) invoice submissions. Bachelor’s degree in Accounting, Finance, Business, or related field. This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE

To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce. Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state‑of‑the‑art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

SNC is a trusted global leader in aerospace and national security. Our innovative solutions enable connected protection through command, control and communications systems, as well as ISR, cyber, electromagnetic spectrum management, and other high capabilities for systems across all domains – sea, land, air, space and cyber. As a longstanding leader in defense technology, SNC is the optimum intersection of commercial, defense and non‑traditional contractors. We are one of the only privately owned mid‑tier A&D contractors and we pride ourselves on our ability to invest early and often to ensure mission success on or ahead of schedule. It’s part of our mission to always stay one step ahead; working on solutions today to solve the problems of tomorrow. Founded in 1963, SNC is owned by Chairwoman Eren Ozmen and CEO Fatih Ozmen.