Joining as President with more than 30 Years of Military and Defense Industry Leadership Experience
“Josh brings a masterful blend of military service, defense industry leadership, and operational experience to lead our teams,” said U.S. Brigadier General (Retired) John J. McGuiness, President of Day & Zimmermann Munitions & Government. “He is a tremendous addition to D&Z, as we continue to support our warfighters.”
Walsh brings more than 30 years of leadership and military experience across the aerospace and defense industry, with extensive experience leading complex operations and mission-critical programs supporting the U.S. Department of Defense, allied governments, and international customers.
Walsh has led complex aerospace and defense business programs with responsibility for engineering, manufacturing, operations, program execution, P&L, business development, and strategy.
Walsh served more than 21 years as a U.S. Army officer. His military career included three operational deployments, field artillery command, and leadership assignments in the Army Acquisition Corps. He supported Operations Joint Endeavor, Iraqi Freedom, and Enduring Freedom, providing him with firsthand experience in both operational and acquisition environments.
About American Ordnance and Day & Zimmermann Munitions
American Ordnance LLC, a Day & Zimmermann company, supports the U.S. Department of Defense by providing safe, reliable munitions capabilities in support of the warfighter. American Ordnance both operates the Iowa Army Ammunition Plant in Middletown, Iowa, and the Milan Army Ammunition Plant in Tennessee, for the U.S. Army.
Since helping design and operate the Iowa Army Ammunition Plant (IAAAP) in 1941—and serving as its government‑owned, contractor‑operated (GOCO) partner continuously since 1998—D&Z has expanded to a five‑state network that now includes Middletown, Iowa; Parsons, Kansas; Yankton, South Dakota; Milan, Tennessee; and Texarkana, Texas. Together, these sites provide the Army with mortars, artillery projectiles, grenades, propellant systems, and a wide range of energetic components essential to modern warfare.
About Day & Zimmermann
When you’ve been around for 125 years, you learn a thing or two. At Day & Zimmermann, we take our lifetime of experience and make things better. Our 37,000 employees help bring big ideas to life every day. We’re pushing the boundaries of innovation in construction & engineering, operations & maintenance, staffing, and security & defense. And that’s not all. Did we mention that we have 900+worldwide work locations with $3 billion USD in annual revenue? We put people to work, we protect American freedoms, and we help our customers power and improve the world. We do what we say®. Learn more at dayzim.com.