What does Day & Zimmermann do?

Day & Zimmermann is the nation's leading Operations & Maintenance contractor specializing in maintenance and project delivery solutions for the nuclear and fossil power markets.

We provide staff augmentation, craft, valve services, radiological services, and professional staffing.

How big is Day & Zimmermann and how old are they?





Day & Zimmermann has been around since 1901 making them 123 years old and the 13th oldest company in our database of energy companies. Roughly 10,500 people work at Day & Zimmermann making them the 21st largest in our database.

source include: indeed, glassdoor, facebook, google

Types of jobs at Day & Zimmermann

Determined via job opportunities posted to or shared via our website, some of the oil & gas, energy, skilled trades and craft jobs at Day & Zimmermann include Cleaner / Painter, Pipefitter, Scaffolder, Welder, Job Fair, Laborer, Firewatch, Helper, Insulator, Millwright, Painter / Coater, Rigger, Electrician , Mechanic, Industrial Painter, Carpenter, Equipment Operator, Machinist, Crane Operator, Skilled Trades, & Crane Rigger. Other common positions are:





Skilled Trades

Skilled Trades

Why work at Day & Zimmermann?

It is no secret that the stronger the company’s culture, the more likely the company will be successful. Success is a core value at D&Z and building a great culture takes hard work and giving people an ideal environment in which to work – helping them feel proud and trusted in their jobs. They mention words like:

  • Daily on-the-job learning
  • Mentoring
  • Participation in cross-functional project teams
  • Online learning
  • Training programs
  • Participation in employee resource groups
  • Tuition reimbursement

Determined via job opportunities posted to or shared via our site, jobs with Day & Zimmermann may offer Job Fair, Entry Level, Many Positions Available, Per Diem, Competitive Wages, Health Benefits Package, Multiple Rotations, Shutdown, Turnaround, Starts ASAP.

Day & Zimmermann work culture & company values

At D&Z, Betterment has always been rooted in our four foundational values –safety, diversity, integrity and success— and grounded by our long-standing promise, “We do what we say.®” Our services and markets may change, but our values remain constant. These four values have become our corporate DNA. Never changing. Never compromising. They serve as a steady guide for the company as we continually take on new challenges, new responsibilities and new roles. They mention words like:

  • Safety
  • Integrity
  • Diversity
  • Success

How to find Day & Zimmermann hiring & job application info

Looking for employment opportunities with Day & Zimmermann? Below you can find relevant hiring information via their website, social media profiles, and the Day & Zimmermann application process via their careers/hiring page. Logged in users can find additional information including Day & Zimmermann recruiter emails, names, and phone numbers if available.

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Day & Zimmermann job postings & career openings:

Here are the most recent job openings & career opportunities that we have sourced or have been provided directly from Day & Zimmermann: