Senior Accountant

Job Type Full-time Description

Who We Are

Mazzetti is a global engineering design and consulting firm with a rich history of delivering forward-thinking solutions primarily for Healthcare and Life Sciences facilities and infrastructure. As an employee-owned benefit corporation, we are committed to bending the climate curve™. Though our story began with a small team of MEP engineers, 60 years later, we’ve grown to 200+ people in 11 locations across the U.S., India, and Africa. We are proud to partner with clients, addressing a spectrum of needs, mindful of their environmental footprint, resiliency, and economic and functional interests. 

Our Vision: Creating healthier, enduring environments

Our Mission: Bending the climate curve™

Our Core Values:

Earn Trust: Trust is the foundation of our success. Through transparent communication, ethical practices, and consistent results, we build enduring relationships with clients, partners, and communities. 

Team First: We prioritize collaboration, inclusivity, and mutual support, recognizing that collective strength drives success. Every team member’s unique contributions are valued and celebrated. 

Inspire: We ignite creativity, innovation, and passion to exceed expectations, fostering a culture of learning and bold exploration that drives positive change and lasting impact.

In 2025, we proudly achieved the JUST Label —an affirmation of our values-driven culture and dedication to environmental and social impact. 

Job Summary

The Senior Accountant role at Mazzetti offers an opportunity to contribute meaningfully to a growing, mission-driven engineering firm while continuing to develop technically and professionally. As a Benefit Corporation and international leader in engineering and consulting, Mazzetti empowers employees to bring both rigor and individuality to their work in a collaborative, high-performance environment.

This position plays a critical role in supporting the Controller and Finance team across month-end close, reconciliations, compliance activities, budgeting, and audits. The Senior Accountant will handle complex accounting responsibilities while also providing coverage and support across payroll and accounts payable functions to ensure continuity and cross-functional knowledge.

Work Location

Remote from anywhere in the United States

Your Tasks Will Involve

Core Accounting & Financial Close

• Assist the Controller with multi-company month-end and year-end close processes.
• Prepare and review complex journal entries across multiple entities.
• Perform and review balance sheet and income statement account reconciliations.
• Analyze expenses and account activity to identify coding errors, variances, and anomalies.
• Support and improve month-end close documentation, controls, and timelines.

Compliance, Taxes & Regulatory Filings

• Prepare or assist with property tax filings for all company locations.
• Support state-specific tax filings and compliance requirements.
• Manage workers’ compensation filings and support audit processes.
• Assist with maintaining company good standing across jurisdictions.

Budgeting & Financial Planning

• Support annual budgeting processes, including:
  • Reviewing and analyzing large groups of general ledger accounts (100+).
  • Partnering with the Finance team to divide and manage budget components.
  • Identifying trends, risks, and assumptions for upcoming fiscal years.
• Assist with tracking and reconciling budget-to-actual results.

Audits & Special Projects

• Support ESOP and 401(k) audits, including documentation and auditor coordination.
• Assist with internal and external audit requests as needed.
• Participate in special accounting and finance projects, including process improvements.

Cross-Training & Backup Support

• Crosstrain in payroll and accounts payable processing.
• Serve as backup support for payroll and AP functions as needed.
• Perform other accounting and finance duties as assigned.

Travel Requirements: None

Requirements

Expertise And Abilities You Will Contribute

Education & Experience

• Bachelor’s degree in Accounting or a related field, with strong accounting knowledge.
• 3–5 years of pr