Accounting Manager (Third Wave)
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Oct 20, 2026. Pine Services Group scores B on the Alion truth index.
Third Wave Business Systems, a portfolio company of Pine, is currently seeking a detail-oriented Accounting Manager to join our growing team.
What We Do
Third Wave Business Systems is an ERP and technology services firm that helps mid-market manufacturing and distribution businesses select, implement, and support the systems they run on, including Acumatica, SAP Business One, and SYSPRO. Its consultants, sales, and support teams partner with clients for the long term.
Who We Are
Third Wave is part of Pine Services Group, a long-term, buy-and-hold holding company within Evergreen Services Group. Pine partners with B2B ERP and technology services firms for the long run, giving each company the resources of a larger organization while preserving the culture and client relationships that made it successful.
Who We Need
Third Wave is growing and is seeking an Accounting Manager to lead day-to-day accounting and the month-end close for its South Bend business unit. This person will own the books from day one, partner closely with AP and AR, and serve as a key user of the company's Acumatica ERP. The role reports to the VP of Finance and works alongside a peer Accounting Manager who leads a second business unit. It is a strong fit for a hands-on accountant who has run a close before, enjoys building clean processes, and wants to grow with a business.
What You'll Do
Own the month-end close for the South Bend business unit, including journal entries, accruals, reconciliations, and financial statements
Oversee day-to-day accounting with the AP and AR team, keeping payables, receivables, and cash current and accurate
Manage software and services invoicing, ensuring billing runs on schedule and purchase orders and sales orders match
Track margin across software resale and services so leadership has clear visibility
Ensure timely payment of recurring publisher and vendor invoices
Maintain bank and balance sheet reconciliations and support sales tax compliance
Support the annual audit in partnership with the Pine accounting team
Serve as a lead user of Acumatica, helping design workflows and reports alongside internal Acumatica consultants
Identify and implement process improvements as the business scales
What We're Looking For
Bachelor’s degree in accounting, Finance, or a related field
5+ years of progressive accounting experience
Has owned a full month-end close, including producing financial statements
Hands-on experience with AP, AR, cash management, and bank reconciliations
Experience supporting an external audit
Working knowledge of GAAP and sales tax
Advanced Excel skills
Comfortable working East Coast hours
Detail-oriented, organized, and proactive about improving processes
Requirements
Nice-to-Have
Experience in a software reseller, VAR, or professional services environment
Acumatica or other mid-market ERP experience
Experience in a private equity-backed or multi-entity business
CPA or progress toward CPA
What we Offer
Competitive base salary plus an annual bonus tied to company performance
Comprehensive health, dental, and vision coverage, plus a 401(k) match
Paid time off and company holidays
Fully remote work with the tools and support to do your job well
Real ownership of the books for a growing business unit, with direct access to finance leadership
Hands-on exposure to Acumatica, working alongside the consultants who implement it
The stability of a long-term, buy-and-hold owner, with room to grow your career as Third Wave and Pine expand