Day & Zimmermann Careers

For more than a century, Day & Zimmermann has been a trusted partner for leading corporations and governments worldwide, delivering a comprehensive suite of services that includes construction, engineering, staffing, and defense solutions. As a family-owned company, we understand the importance of building lasting relationships with our customers, grounded in our unwavering promise: 'We do what we say.®' This commitment is the cornerstone of our operations, ensuring that we consistently meet and exceed the expectations of the clients who entrust us with their most critical projects. Our customers operate in complex and often challenging environments, facing pressures to enhance efficiency, ensure safety, and drive innovation. We address these challenges head-on by providing tailored solutions that lower total cost of ownership, maintain vital infrastructure, and protect national security. Whether it's supporting the nation's power infrastructure, managing complex construction projects, or providing essential munitions to the U.S. government and its allies, our focus is always on delivering with integrity and excellence.

Our diverse portfolio of services is designed to address the multifaceted needs of our clients across various markets, including the power, chemical, industrial, and government sectors. We recognize that our customers require a partner who is not only technically proficient but also deeply committed to their success. That's why we invest in our people, fostering a culture of continuous improvement and innovation that we call 'betterment.' This philosophy, which dates back to our founding in 1901, empowers our global workforce of over 40,000 employees to find smarter, more efficient ways to deliver for our clients. From modernizing American factories in our early days to now driving technological advancements in the defense and engineering fields, our journey has always been about helping our customers do their best work, better. By integrating our services and leveraging our extensive experience, we provide a seamless, end-to-end solution that helps our clients navigate their challenges and achieve their strategic objectives, ensuring they are well-positioned for future success.