At Armistead, we recognize that our employees have been a driving force behind our success – for nearly a century. Whether you are looking for a job today or in the future, we are always interested in connecting with people who can help us achieve our Simply higher standards.


We are proud to be an equal opportunity employer. Our policy on equal employment opportunity prohibits discrimination based on race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, veteran status, or any other protected status or characteristic. This policy applies to recruiting, hiring, transfers, promotions, terminations, compensation, benefits, and all other terms and conditions of employment.

We value teamwork and seek motivated individuals who bring a positive attitude to their work and who will serve our customers and co-workers to the best of their ability. In exchange, we offer competitive pay, an excellent benefits package, opportunities for industry training programs, state-of-the-art technology, and a sense of purpose and collaboration within our fourth-generation, family-owned business. The diverse mechanical services that we provide to our customers means interesting projects for our employees to work on.

Our offices are pleasant and professional work environments in clean, modern buildings with ample work space. We stay on top of technology with updated equipment and software, smartphones, laptops, and tablets. Our office employees love summer hours and are happy to have shortened lunch periods in exchange for the opportunity to go home early on summer Fridays. Payday is on a weekly basis, and direct deposit is available for all employees. All field employees are provided with personal protective equipment and safety gear.


We currently operate three different companies from three office locations.

Armistead Mechanical, Inc. Corporate Headquarters is located in Waldwick, NJ. We also operate a branch office in Newburgh, NY and one in Windsor, NJ.

Armistead Mechanical, Inc. Services is an HVAC/R commercial service and maintenance affiliate working out of our Waldwick and Newburgh offices.

Acorn Plumbing & Heating is a light commercial and residential plumbing and heating company operating out of our Newburgh, NY office.


Our companies rely on office and field employees with experience in the construction industry, and we are proud to be affiliated with the best trained UA tradesmen.


Office Roles:

  • Accounting and Administrative
  • CAD/3D Drafting
  • Estimating
  • Project Management
  • Purchasing
  • Sales and Account Management
  • Shop Operations

Field Positions:

  • HVACR Service Technicians
  • Pipefitters
  • Plumbers
  • Light Commercial/Residential Plumbers


  • Competitive salaries
  • Monthly car allowance for some positions
  • 401(k) with employer contribution, plus profit sharing
  • Choice of medical coverage from two plans for individuals and their families
  • Annual dental reimbursement
  • Vision plan
  • Life insurance
  • Supplemental benefits (AFLAC)
  • Eight paid holidays per year
  • Paid vacation time – to a maximum of 20 days per year
  • Paid sick time
  • Annual performance review process

Field employees receive pay and benefits per their particular collective bargaining agreement.


College students majoring in mechanical or civil engineering, engineering technology, construction management or similar related degrees are welcome to apply for summer or semester internships. Students have the opportunity to work and interact with different departments and spend time at project jobsites. We believe in mentoring the next upcoming generation of talent to continue to grow the industry we are proud to be a part of.


As a former Navy officer, our President & CEO knows firsthand the value of military training and experience. We welcome applications from former military personnel.


Current open positions are listed at the bottom of this page. Use the job title link to see the position description and requirements as well as to complete an online application or upload your resume.

If there are no open positions listed, you may be added to our email list by using the link below.