Accounting Clerk - Invoicing & Cost Accounting

Who We Are (video)

At JRC, we tackle some of the toughest challenges faced by the Department of Defense (DoD) and other government agencies. Our expertise in engineering innovation and semiconductor technologies allows us to deliver mission‑critical microelectronics solutions, aerospace systems engineering, and cutting‑edge research and development. By joining JRC, you’ll be part of a team that supports strategic deterrence and defense missions, playing a crucial role in ensuring the safety and security of the United States and its allies.

We’re seeking a detail‑driven Accounting Clerk to support JRC’s Finance team in a DoD government contracting environment
, with a focus on invoicing, cost accounting, and timekeeping compliance
. You’ll help ensure accurate billing across cost‑plus, T&M, and firm‑fixed‑price contracts
, maintain audit‑ready records, and keep our financial operations aligned with FAR/CAS requirements
.

In this role, you’ll prepare invoices and cost reports, review timesheets and expenses in Unanet
, and partner closely with finance leadership and project teams to keep deliverables on track. This position is ideal for someone who thrives in a compliance‑driven environment, enjoys working with structured processes, and takes pride in supporting mission‑critical DoD programs.

• Prepare monthly invoices for cost‑reimbursable, T&M, and fixed‑price contracts.
• Compile and validate costs incurred, including labor, ODCs, travel, and subcontractor charges.
• Review and approve timesheets in accordance with DCAA timekeeping standards and JRC policy.
• Maintain flex‑time balances, overtime records, and labor rate accuracy.
• Review expense reports for compliance with JTR and company requirements.
• Generate cost reports and support internal/external audit requests.
• Assist with month‑end close activities and special finance projects.

• An associate degree in accounting, business, or a related field—or equivalent hands‑on experience.
• 5+ years of relevant experience, ideally within a DoD or federal contracting environment.
• Strong Excel skills and comfort working with cost data, labor reports, and billing workflows.
• Eligibility to obtain and maintain a U.S. security clearance.
• Ability to work in a fast‑paced environment.
• Exceptional attention to detail, organization/prioritization, and follow‑through.
• Experience with accounting or ERP systems used in Gov Con environments.
• A collaborative, mission‑focused mindset.

• Experience with Unanet, ADP, or Fidelity.
• Familiarity with FAR/CAS, DCAA audits, indirect rate structures, or government cost accounting.
• Prior experience supporting DoD, DHS, or other federal programs.

• A competitive compensation package
• An exceptional employee benefits program, providing support for our team members' well‑being and success
• The chance to contribute to a high‑profile Department of Defense programs and make a positive impact
• A collaborative work environment where teamwork, creativity, and innovation thrive
• Opportunities for professional growth and development, helping you advance your career