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Salary
$95k – $131k per year
Location
In office (Littleton)
Seniority
Senior · 5+ years exp
Visa
H-1B filings in 12 months: 3
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Sep 22, 2026. Johns Manville scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Johns Manville is a manufacturer of building insulation, commercial roofing systems, glass fibers and nonwovens headquartered in Denver, Colorado, serving building products, aerospace, automotive, filtration, waterproofing and wind energy markets. Founded in 1858 and a Berkshire Hathaway company since 2001, it serves customers in more than 80 countries and runs manufacturing plants across the US as well as operations in Germany and Slovakia. It hires production and machine operators, maintenance technicians, electricians, mechanics, warehouse staff, sales representatives, research chemists and IT security engineers.

Who We Are

Johns Manville is a leading manufacturer and marketer of premium-quality insulation and commercial roofing, along with glass fibers and nonwovens for commercial, industrial and residential applications. Our products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.

A proud member of the Berkshire Hathaway family of companies, we serve customers in more than 80 countries around the globe. We are committed to delivering positive and powerful experiences, because we are successful only when our employees and customers thrive. We are passionate, we care about people, we perform at a superior level, and we protect others and our environments.

Pay Range

$95,200.00-$130,900.00 Annual

This is the base salary pay range that an applicant can expect to make upon hire. Pay within this range will vary based upon relevant experience, skills, and education among other factors. In addition, this position is eligible for an incentive bonus.

The Senior Product Engineer is responsible for supporting markets and customers by providing the link between product development R&D, application development, and manufacturing. The Senior Product Engineer will design and implement product improvements to existing product lines that improve products’ value proposition to internal or external customers as well as develop new products to meet customer needs based on existing products in the market.

Your Day-to-Day:

  • Lead new product and process development when they move past the R&D phase and are being scaled up at JM's manufacturing facilities.
  • Provide internal and external (customer) technical service to operations when customer issues and complaints arise for existing and new products.
  • Design and implement product improvements to existing product lines that improve the products value proposition to internal or external customers.
  • Develop new products to meet customer needs based on products in the market.
  • Create manufacturing specifications by performing complex experiments to link product requirements to manufacturing capabilities.
  • Design solutions for equipment issues.
  • Drive excellence in staged product development and in project management in the Innovation Commercialization Group.
  • Demonstrate aggressive IP protection attitude for new developments.
  • Keep abreast of market intelligence on competitor's technology and product platforms and feedback into IC group and business team.
  • Identify requirements and develop product definitions for potential new developments that will lead to solutions that provide value to our customers.
  • May be required to perform other related duties as assigned.

What You Bring to the Team:

  • Bachelor's degree in chemical (preferred) or mechanical engineering or a degree in a related STEM field with a minimum of 5 years’ engineering experience or relevant JM engineering experience.
  • Master’s degree in engineering with a minimum of 3 years’ engineering experience or relevant JM engineering experience.
  • PhD with a minimum of 1 year engineering experience
  • Ability to translate complex technical needs into robust products.
  • Ability to manage multiple projects independently with strong project management skills.
  • Strong technical skills in data gathering, statistical and engineering analysis and evaluation.
  • Demonstrated success in launching new products or driving improvement initiatives that have resulted in successful business impacts.
  • Advanced knowledge of engineering principles and problem-solving techniques. Experience with feasibility studies and validation testing.
  • Supervises/Leads individuals or a project team to achieve milestones and objectives by setting priorities and providing direction. May provide feedback for performance evaluations.
  • Strong leadership skills.
  • Proficient in Microsoft Word, Excel, PowerPoint, Outlook.
  • Strong interpersonal, verbal, and written communication skills.
  • Ability and willingness to work in a production environment during trials.
  • Ability to execute on deliverables.
  • Ability to work independently and with cross-functional teams.
  • Heavy travel required (20%-35%)
  • Ability and willingness to work hands-on to solve equipment and mechanical issues.
  • May be required to lift, carry, push or pull up to and including 25 pounds.
  • Work environment is typical of a research and development facility; during plant trials may be exposed to environmental conditions of cold, heat, high noise levels, moving mechanical parts, heights, dust/mist/gas/fumes, extensive walking or climbing, etc

Please Keep in Mind

If you do not meet 100% of these requirements, we at JM still want to hear from you. So, if you are interested in the role, we encourage you to apply so we can learn how your skills and talents can contribute to our team.

Benefits

Johns Manville (JM) offers a wide range of benefits to employees. Some are subsidized by the company and others are fully employee-paid. Health benefits include a choice of comprehensive medical plans, a dental plan, vision plan, wellness program and critical illness insurance. JM sponsors a 401(k) plan which includes a sizeable company match. JM offers paid vacation and also provides paid sick and parental leave for eligible employees.

Additionally, Johns Manville provides basic life Insurance, short-term and long-term disability coverage, an employee assistance program, and business travel accident coverage. Supplemental life insurance and accidental death and dismemberment insurance are available as well. The company also offers a variety of tax saving accounts; health spending account, traditional flexible spending account, and a dependent care spending account. JM also offers a tuition reimbursement program for undergraduate and certain graduate programs.

Johns Manville supports employee growth with vast educational opportunities and a company-wide mentoring program. This program pairs employees and leaders to grow skills, build stronger internal networks and strengthen the company’s succession planning process. Johns Manville also offers soft and hard skills training facilitated by internal and external presenters. Our talent management team prioritizes the holistic growth of our workforce.

Diversity & Inclusion

Johns Manville believes diversity and inclusion in our workplace is critical for the long-term success of our company. We are committed to retaining, developing and attracting a diverse workforce that fosters an inclusive work environment in which all employees are treated with dignity and respect. This is the right thing to do for our employees, our company and our communities.

Incumbent must be physically able to perform essential job functions. Reasonable accommodations may be made to enable individuals with disabilities to perform essential job functions.

We are proud to be an Equal Opportunity/Affirmative Action employer. We maintain a drug-free workplace and perform pre-employment substance abuse testing.

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