Staffing an ERP Implementation Without Burning Out Your Accounting Team

A new ERP system promises faster closes, cleaner data, and better reporting. Between kickoff and go-live, though, your accounting team is asked to do two jobs at once: keep the books running and help build the system that will change how they work. Without a staffing plan for both, something gives. Usually it is the month-end close, and eventually it is your people.

Here is how finance leaders can backfill day-to-day accounting work, add the right project roles, and protect the close while a new system goes live.

Why ERP Projects Hit Accounting Teams Hardest

Implementation partners configure the software, but they cannot tell it how your business works. Panorama Consulting Group notes that the knowledge needed to configure, test, and validate an ERP lives inside the business rather than with the vendor. Internal subject matter experts are expected to join design workshops, integration reviews, and testing while still doing their day jobs. In accounting, those experts are often the same controllers, managers, and senior accountants who own the close.

The pressure rarely arrives all at once. It builds over months of design sessions, data mapping, and testing layered on top of reconciliations, journal entries, and reporting deadlines. In employee interviews published by Stoneridge Software, implementation participants described the project draining the finance group in particular. Staff put in extra hours to cover responsibilities their manager and controller no longer had time for.

The hiring market makes this harder. The Controllers Council’s 2026 Corporate Finance & Accounting Talent Study surveyed controllers and CFOs nationally and reported a Talent Shortage Index of 77 percent. The New York State Society of CPAs reports that more than 300,000 accountants left the profession between 2019 and 2022, while fewer students are graduating with accounting degrees. Losing a key team member in the middle of an implementation is not a setback you can quickly hire your way out of.

Map the Workload Before You Hire

Before adding headcount, get specific about where the hours will come from. Panorama recommends dedicating 30 to 50 percent of select internal team members’ time to the implementation. Highly involved roles may need full-time dedication, which can mean temporarily backfilling their operational duties.

Start by listing everyone on the accounting team who will touch the project and estimating their time commitment by phase. Then sort their recurring tasks into three groups: work that can be handed off, work that can be paused, and work only they can do. That exercise usually reveals two separate staffing needs. You need people to absorb routine work, and you need people to fill project roles your team has never had to staff before.

Backfill the Day-to-Day Work

The goal of backfilling is simple. Free your most knowledgeable people to focus on the new system while the current one keeps running smoothly.

Transactional Accounting Support

Accounts payable, accounts receivable, bank reconciliations, and routine journal entries are the easiest work to hand off because they follow established procedures. An experienced staff or senior accountant can typically step into these tasks with minimal ramp-up time. That gives your full-time team back hours each week during the heaviest project phases.

Interim Accounting Manager or Assistant Controller

When your controller or accounting manager becomes the finance lead on the project, someone still has to review work, manage the close calendar, and answer questions from the team. An interim manager with close and review experience keeps the department organized. It also prevents the “manager is always in a meeting” problem that wears down staff over a long implementation.

Reporting and Close Coverage

Management reporting, account reconciliations, and flux analysis require judgment, and they also take time. Adding a senior accountant or financial analyst to own specific pieces of the close lets your core team step away for testing sessions without pushing reporting deadlines.

Bring In Dedicated Project Roles

Backfilling covers the work you already do. ERP projects also create new work that your team may not have the skills or capacity to handle.

Finance Project Lead

Someone needs to own finance decisions, coordinate with the implementation partner, and push back when a default configuration does not fit how your business operates. Panorama warns that when internal resources are stretched, teams tend to default to vendor-led timelines and design decisions. A dedicated finance lead keeps your requirements at the center of the build. That person can be promoted from within and backfilled, or brought in for the project.

Systems Accountant or ERP-Experienced Accountant

Some accountants have already been through an implementation on your chosen platform. They bring practical knowledge of chart of accounts design, approval workflows, and common configuration pitfalls. They can also translate between your accounting team and the technical consultants, which speeds up design decisions and reduces rework.

Data Conversion and Reconciliation Specialist

Migrating balances, open items, and historical data is detailed, high-stakes work. A specialist focused on cleansing legacy data and reconciling converted balances reduces the chance that errors surface after go-live, when they are far harder and more expensive to fix.

Testing and Training Support

User acceptance testing is where many accounting teams feel the most strain. Temporary support can write test scripts, document results, and help train end users. That keeps testing thorough without pulling your entire team off their regular responsibilities.

Protect the Close During Cutover

Go-live is the riskiest stretch for the close. Panorama advises that project timelines should flex to avoid year-end closes and audit windows, which preserves resource capacity and lowers the likelihood of burnout. As you plan the cutover, work through a few key questions:

• Does the go-live date avoid year-end, quarter-end, and audit fieldwork?
• Will you run a parallel close in both systems, and who will staff it?
• Is a documented close checklist ready for the new system before the first live close?
• Who is the escalation point when a reconciliation does not tie out?
• Have you scheduled extra support for the first two or three closes after go-live?

Planning for a slower first close is not a sign of failure. It is a realistic expectation that gives your team room to learn the new system without risking accuracy.

Keep Your Core Team Engaged After Go-Live

The end of the project is not the end of the risk. Panorama cautions that teams pushed too hard during implementation often disengage after go-live. That leaves a gap in system knowledge and internal ownership just when stability matters most.

Recognize the extra effort your team put in, and be deliberate about rolling off temporary support. Phase backfill roles out gradually as the close stabilizes, and require knowledge transfer from project specialists before they leave. Some project hires prove valuable enough to keep permanently, particularly systems-minded accountants who can own the ERP going forward.

Build the Right ERP Team with Burchard & Associates

A successful ERP implementation depends on having the right people in the right seats before the pressure builds. Burchard & Associates helps St. Louis-area companies find experienced accounting and finance professionals, from senior accountants to controllers and finance leaders. Contact our team to talk through your implementation timeline and the talent you need to keep the close on track.