All over the world, Day & Zimmermann employees deliver critical security, operations and logistics services to the United States Departments of State, Defense, and Energy, as well as other government agencies and commercial businesses. With a wide breadth of operations and maintenance (O&M) capabilities, we provide security services for individuals, domestic facilities, nuclear power plants, and military bases. In addition, we train military, police, and corporate personnel in the latest techniques and force protection strategies, including personal weapon handling, off-road vehicular maneuvering, planning/executing convoy operations, and a full range of requirements related to military and SWAT teams. We work on the front lines in many of the world’s most difficult areas, as well as at home in your own backyard.

Day & Zimmermann also supports the Department of Defense by manufacturing, storing, and demilitarizing a variety of ammunition products. As one of the country’s leading munitions contractors, we specialize in munitions production engineering, including the design, procurement, installation, training, and start-up of munitions production lines.

We recognize that our most sustainable competitive advantage is our people, so we seek out only the best: team players who demonstrate a passion for their work and who contribute to our continuing success. In return, we provide a comprehensive benefits package, as well as myriad opportunities for learning and growth. We offer exciting career opportunities in the following areas:  

  • Architecture, engineering, and construction services
  • DoD equipment maintenance and facilities services
  • Facilities management and operations
  • Munitions products
  • Munitions logistics and demilitarization
  • Security services
  • Workforce solutions