Contract Billing Specialist III

Sierra Nevada Corporation•Englewood, CO

2d•Onsite

About The Position

If you are an accounting professional looking to make an impact in a rewarding industry, join our team! We’re seeking an experienced Contracts 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.

Requirements

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.

Nice To Haves

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.

Responsibilities

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.
Assist in monthly AR billed/unbilled reconciliations.
Partner with Accounting to resolve cash application issues.
Support collection activities on aged receivables.
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.
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.