RTM Engineering Consultants Expands Northwest Arkansas Presence with Addition of Principal David Leiffer

BENTONVILLE, Ark.--(BUSINESS WIRE)--RTM Engineering Consultants, a nationally recognized MEP, Civil, and Structural engineering consulting firm, announced that David Leiffer, PE, P.Eng., LEED AP joined the firm as Principal to support strategic growth initiatives and lead the expansion of RTM’s presence in Northwest Arkansas.

Leiffer brings more than 25 years of engineering leadership experience and a proven track record of scaling high-performing, people-first organizations. Throughout his career, he has led operational growth initiatives, built nationally recognized engineering teams, and fostered cultures centered on collaboration, technical excellence, and long-term employee development.

RTM has supported clients throughout the Northwest Arkansas region for many years, and the expansion of its local presence represents a strategic investment in strengthening client partnerships and continuing to grow services in one of the country’s fastest-growing markets.

In his new role, Leiffer will support mergers and acquisitions initiatives, operational integration efforts, and regional growth strategy while helping establish and grow RTM’s Northwest Arkansas operations.

“Northwest Arkansas is a dynamic and rapidly growing region with tremendous opportunity,” said Tony Mirchandani, CEO of RTM Engineering Consultants. “We’ve built strong relationships with clients in this market over the years, and expanding our presence locally allows us to better support those clients while continuing to grow our team in the region. David’s leadership experience, technical expertise, and people-first mindset make him the ideal person to help lead this next chapter for RTM.”

Leiffer holds Professional Engineer licensure in all 50 U.S. states, Washington, DC, Puerto Rico, Guam, and the Commonwealth of the Northern Mariana Islands, as well as Professional Engineer (P.Eng.) licensure in seven Canadian provinces, further strengthening RTM’s ability to support clients across North America.

“I’m excited to join RTM at such an important time in the firm’s growth,” said Leiffer. “RTM has built an exceptional reputation not only for technical excellence, but for creating a culture where people genuinely enjoy working together. I’m looking forward to helping expand our presence in Northwest Arkansas, supporting our clients locally, and continuing to build a strong team in the region.”

As part of its continued investment in Northwest Arkansas, RTM is actively hiring for multiple positions as the firm continues to expand its local operations and capabilities throughout the region.

About RTM Engineering Consultants

Founded in 1981, RTM Engineering Consultants is nationally recognized for its expertise across mechanical, electrical, plumbing, civil, and structural engineering, alongside fire protection design and an array of specialized services, including commissioning, arc flash analysis, architectural lighting design, technology integration, and a variety of sustainability solutions. With licensure in all 50 states and office locations spanning coast to coast, RTM’s resources enable a broad geographical reach, but the firm prides itself in nurturing strong local client relationships. RTM’s 600+ professionals nationwide are committed to creating a culture centered around its core values of collaboration, unity, trust, and empowerment, ensuring unparalleled service delivery and client satisfaction.