Delphinus Engineering, Inc.
Job Summary
The Billing Specialist is responsible for invoicing service work orders for designated and assigned customers in accordance with contract terms and customer requirements. This includes creating, processing, scanning, auditing, and emailing/mailing invoices and supporting documentation, as well as collections with prime and subcontractor clients. Billing requests are analyzed for accuracy and completeness, customer invoices are prepared promptly and accurately, and a review is performed to ensure correct amounts and billing periods. The Specialist audits their own work to ensure all costs are accounted for and billed appropriately.
Key Responsibilities
Analyze billing requests for accuracy and completeness; prepare customer invoices in a timely manner in accordance with contractual obligations.
Create and maintain client invoicing spreadsheets, reports and files as required.
Work with WAWF (Wide Area Work Flow Process) and billing in a Government Contractor setting.
Prepare Excel-based, PDF or electronic upload invoices, or printed copies for an assigned portfolio of customers through receipt by the customer.
Track customer POs (where applicable), manage unbilled revenue, monitor web services, spool files and no‑print error files.
Resolve all invoicing issues promptly, log problems and communicate via instructed methods.
Support sister teams (labor processing, A/R collections) by reconciling and resolving billing discrepancies quickly.
Handle invoice cancellations, re‑invoicing, and credit memorandums.
Communicate account status to Business Unit field offices regularly.
Perform collection calls and/or correspondence with vendors in a fast‑paced environment aimed at cash collections.
Provide customer service regarding collection issues; process payment adjustments and resolve client discrepancies.
Requirements
Excellent organizational skills and attention to detail.
Team player with a positive, professional attitude and ability to adapt to a changing environment.
Excellent written and verbal communication skills.
Analytical mindset to analyze data and solve problems creatively.
Experience with Deltek GCS or Costpoint billing module, Excel, Microsoft Word.
Required Education
Associate’s or Bachelor’s degree in Accounting, Finance, Business Administration or related field (preferred).
1 to 3 years of experience in billing processing, reporting, and analysis.
Req Number: ACC-25-00007
About the Organization Founded in 1994, Delphinus is a diversified professional services company employing more than 650 professionals and technical personnel. We support a customer base that spans the Defense and Federal markets. Our headquarters are in Newtown Square, PA with primary offices in Norfolk, VA; San Diego, CA; and Bremerton, WA.
Seniority Level Entry level
Employment Type Full‑time
Job Function Accounting/Auditing and Finance
Industries Defense and Space Manufacturing
Company Benefits
Comprehensive health program for employees and dependents
Company‑paid dental and vision
401(k) with company match
Short‑term and long‑term disability (company paid)
Life Insurance and AD&D (company paid)
Voluntary Spouse and Child Life Insurance
Paid time off with company holidays
Tuition reimbursement
Employee Assistance Program (EAP)
Benefit eligibility is set forth in benefit plan documents and organization policies.
Equal Employment Opportunity Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.
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Key Responsibilities
Analyze billing requests for accuracy and completeness; prepare customer invoices in a timely manner in accordance with contractual obligations.
Create and maintain client invoicing spreadsheets, reports and files as required.
Work with WAWF (Wide Area Work Flow Process) and billing in a Government Contractor setting.
Prepare Excel-based, PDF or electronic upload invoices, or printed copies for an assigned portfolio of customers through receipt by the customer.
Track customer POs (where applicable), manage unbilled revenue, monitor web services, spool files and no‑print error files.
Resolve all invoicing issues promptly, log problems and communicate via instructed methods.
Support sister teams (labor processing, A/R collections) by reconciling and resolving billing discrepancies quickly.
Handle invoice cancellations, re‑invoicing, and credit memorandums.
Communicate account status to Business Unit field offices regularly.
Perform collection calls and/or correspondence with vendors in a fast‑paced environment aimed at cash collections.
Provide customer service regarding collection issues; process payment adjustments and resolve client discrepancies.
Requirements
Excellent organizational skills and attention to detail.
Team player with a positive, professional attitude and ability to adapt to a changing environment.
Excellent written and verbal communication skills.
Analytical mindset to analyze data and solve problems creatively.
Experience with Deltek GCS or Costpoint billing module, Excel, Microsoft Word.
Required Education
Associate’s or Bachelor’s degree in Accounting, Finance, Business Administration or related field (preferred).
1 to 3 years of experience in billing processing, reporting, and analysis.
Req Number: ACC-25-00007
About the Organization Founded in 1994, Delphinus is a diversified professional services company employing more than 650 professionals and technical personnel. We support a customer base that spans the Defense and Federal markets. Our headquarters are in Newtown Square, PA with primary offices in Norfolk, VA; San Diego, CA; and Bremerton, WA.
Seniority Level Entry level
Employment Type Full‑time
Job Function Accounting/Auditing and Finance
Industries Defense and Space Manufacturing
Company Benefits
Comprehensive health program for employees and dependents
Company‑paid dental and vision
401(k) with company match
Short‑term and long‑term disability (company paid)
Life Insurance and AD&D (company paid)
Voluntary Spouse and Child Life Insurance
Paid time off with company holidays
Tuition reimbursement
Employee Assistance Program (EAP)
Benefit eligibility is set forth in benefit plan documents and organization policies.
Equal Employment Opportunity Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law.
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