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Defense & Security Opportunities

Protecting Our Freedoms

Day & Zimmermann plays a vital role in the defense sector whether it’s manufacturing munitions or providing security solutions. No matter which sector you choose, you’ll find a fulfilling career and a great place to work — one that challenges you, fuels your need to be innovative, and inspires teamwork.

Explore Opportunities by Brand

Day & Zimmermann Munitions


Day & Zimmermann’s Munitions division, including our American Ordnance group, provides expert ammunition equipment fabrication, installation and equipment/process review, consultation and implementation.

Job opportunities, such as: 
Manufacturing | Production

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SOC is an integrated provider of mission support solutions through our global security, operations and maintenance and staffing services to the U.S. Government and commercial clients.

Job opportunities, such as:
Defense & Security | Cleared Staffing

DZ Operations & Maintenance

Operations & Maintenance (O&M)

Join our team with world class expertise and capabilities in the areas of Facility and Installation, Operations and Maintenance, Maintenance Repair and Overhaul (MRO), Management of Arms, Ammunition and Explosives (AA&E), Demilitarization Operations and Training and Logistics.

Job opportunities such as:
Facility and Installation | Operations and Maintenance | Maintenance Repair and Overhaul (MRO)

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Mason & Hanger

Mason & Hanger

Dedicated to providing architectural and engineering (A/E) services specializing in the worldwide design of secure, mission-driven facilities. Proudly serving as a partner to the U.S. federal government for nearly two centuries, Mason & Hanger has provided A/E services on thousands of projects in 165 countries.

Job opportunities such as:
Architecture/Engineering | Business | Design Technology | Energy & Sustainability | Mechanical | Project Management

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Veteran's Resources

Day & Zimmermann provides outreach to existing Veterans who are looking to transition out of the military to a successful civilian career path in partnership with various local and national organizations.

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