Controller/Finance Manager

Job Description: The Finance Manager / Controller owns the day-to-day financial operations and accounting function, ensuring timely, accurate monthly close and GAAP-compliant reporting. This role is hands-on and systems-forward: you will lead close execution, strengthen internal controls, improve billing/revenue processes that are specific to managed services and professional services, and produce actionable FP&A insights for leadership. You will also support the CFO with acquisition diligence and post-close integration, with the Controller function executing the finance integration workstream. This is an ideal role for a high-performing accounting leader who enjoys building structure, driving automation, and partnering cross-functionally in a PE-backed environment. Role: 1) Accounting Operations & Monthly Close (US GAAP) · Own the end-to-end monthly close process and calendar, including journal entries, accruals, reconciliations, and financial statement preparation · Maintain integrity of the general ledger, balance sheet schedules, and supporting documentation (audit-ready) · Oversee AP, AR, collections coordination, and payroll coordination (outsourced provider (PEO) · Manage fixed assets, prepaid/amortization schedules, and recurring entries; ensure consistent accounting policies across entities · Prepare monthly financial statements and variance explanations for CFO/leadership review 2) Revenue, Billing & MSP/Professional Services Accounting · Ensure accurate invoicing and GAAP-aligned revenue recognition for: · Managed Services / recurring contracts (MRR/ARR) including renewals, price changes, prorations, and deferred revenue · Professional services / project delivery (T&M and fixed fee), aligning time entry, project status, and billing milestones · Hardware/software resale including purchasing/receiving workflow alignment and margin tracking · Partner with Operations / Service Delivery to ensure PSA data flows cleanly into invoicing and revenue recognition · Monitor margin leakage and billing accuracy; implement controls around contract setup, time entry, and invoice approvals · Establish and maintain customer-level reporting for revenue, gross margin, and contract performance 3) Systems Ownership: Sage Intacct + Finance SaaS Stack · Serve as primary accounting systems owner for Sage Intacct: close workflow, dimensions, reporting, and control structure · Improve integrations and automation across the finance tech stack (PSA, billing automation, expense management, payroll, BI/reporting tools) · Drive process improvements that reduce manual work, improve audit trails, and increase reporting speed and accuracy · Own master data hygiene (customers, vendors, items, dimensions), and enforce system governance standards 4) FP&A Support and Business Insights (Strong requirement) · Produce recurring KPI dashboards and operating metrics relevant to MSP / professional services: · Gross margin by service line, utilization / realization, backlog, churn/retention, AR & collections, cash conversion, vendor spend trends · Support budgeting and rolling forecasting in partnership with CFO; build driver-based models where possible · Provide variance analysis and insights that translate financial results into operational actions (pricing, staffing, utilization, vendor optimization) 5) PE Cadence, Controls, and Audit/Tax Readiness · Build and maintain internal controls appropriate for a PE-backed platform: approval workflows, segregation of duties, reconciliations, close checklist discipline · Coordinate audit/tax support work with external partners; ensure the company remains “audit-ready” year-round · Support sponsor and lender reporting requests (monthly packages, ad hoc analytics, tie-outs, and documentation) 6) M&A Support and Post-Close Integration (CFO-led, Controller-executed) · Support CFO on diligence by preparing/organizing financial data and responding to diligence requests (GL detail, revenue by customer, deferred revenue, aging, vendor spend, payroll/benefits, policies) · Execute post-close finance integration workstream: Chart of accounts and dimension mapping Accounting policy alignment (rev rec, capitalization, accrual practices) Opening balance sheet validation and cutover plan Close cadence stabilization and reporting standardization · Help standardize playbooks for integrating future acquisitions efficiently 7) Team Leadership & Development · Manage and develop accounting staff and/or outsourced providers; set expectations, deadlines, and quality standards · Create clear SOPs for close, billing, AR/AP, and integration workflows · Promote a culture of accountability, continuous improvement, and cross-functional partnership What Success Looks Like · Monthly close completed consistently within 7 business days with clean reconciliations and strong close discipline · Reliable GAAP reporting and policy compliance (including revenue recognition and deferred revenue) · Accurate billing and revenue workflows across MRR/ARR, projects/professional services, and product resale · Intacct is configured and used as a “single source of truth” with effective dimensions for service line / customer / entity reporting · A repeatable monthly operating rhythm for KPI reporting and forecasting support · Acquisition integrated into company finance cadence (chart of accounts mapping, opening balances, close alignment) Job Knowledge / Skills (Required) · 7–12+ years of progressive accounting/finance experience with ownership of monthly close (manager / assistant controller / controller capacity) · Strong working knowledge of US GAAP and operational accounting · Demonstrated ability to run a disciplined close, produce reliable reporting, and maintain strong reconciliations · Systems-forward mindset; strong Excel skills and comfort with modern finance tools · Proven ability to work cross-functionally with Operations / Service Delivery leaders · Strong written and verbal communication skills; can explain financial results clearly to non-finance stakeholders · High integrity, attention to detail, and a bias for action in a fast-paced environment Job Knowledge / Skills (Preferred) · Experience in IT Managed Services (MSP/MSSP) and/or professional services environments · Familiarity with ASC 606 concepts (contracted services, performance obligations, deferred revenue) · Hands-on experience with Sage Intacct (highly preferred) · Experience with PSA platforms and related workflows (e.g., HaloPSA, ConnectWise, Autotask, or similar) · Experience in a private equity–backed company and/or through acquisitions and integrations · CPA/CMA a plus (not required if experience is strong) Job Type: Full-time Pay: $95,000.00 - $120,000.00 per year Benefits: 401(k) Dental insurance Health insurance Paid time off Vision insurance Experience: Professional Services: 5 years (Required) Work Location: Hybrid remote in Portsmouth, NH 03801