Posted:
2/25/2026, 4:47:00 AM
Location(s):
Louisiana, United States ⋅ Ruston, Louisiana, United States
Experience Level(s):
Junior ⋅ Mid Level
Field(s):
IT & Security
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.
Compensation
Shift: Rotating days and nights. (Currently 7am-5:30pm and 5pm-3:30am, will change during the summer)
Duties and Responsibilities:
This is a production position working to mold Calcium Silicate Insulation product and visually inspect product for quality defects. The job requires that the employee be able to work safely and follow safety rules. Employee must be dependable, able to follow instructions and directions, according to established operating procedures, performs the following duties while cooperating with all levels within the organization in support of the four Johns Manville core values: People, Passion, Performance and Protection:
The essential duties and responsibilities include the following:
Supports and promotes safe practices and environmental commitments in alignment with company commitments, policies, and compliance requirements
Wears all personal protective equipment as required by management, including but not limited to all or some of the following: protective shoes, glasses, ear plugs, bump cap or hard hat, gloves, dust mask or respirator
Must know, understand, and perform all plant and departmental safety regulations and procedures and immediately reports any hazardous conditions
Performs safety observations and complete training assignments
Must know and understand company policies, regulations, and procedures regarding employee conduct and attendance
Excellent attendance, attitude, and motivation
This position is a training position. This person must show the desire and ability to learn. Excellent attendance, attitude and motivation must be demonstrated to advance to the next level (Mold Operator II)
Most duties are performed under direct supervision or while shadowing an experienced operator
Responsible for operating in conformance with the ISO certification held by the Ruston facility.
When assigned to Mold Line
Lift, handle, and move product from molds and properly place on mold cars within cycle time
Operate controls for all molding machines
Fill, backfill, and mop off molds and mold tops
Clean preheater and hopper
Set up block racks, block holders, pipe sleeves, and install core caps
Scrape and lube followers
Identify and reject molded product that does not meet product specifications
Identify molded product that would be acceptable for rework
Notify Mold Lead or Production Supervisor of mechanical problems that affect quality
Performs other duties as assigned.
When assigned to Quad-Hex Area
Set up Quad-Hex lifters and operate and remove material from Quad-Hex molds
Scrape buildup on heads of Quad-Hex and in mold
Identify and reject molded product that does not meet product specifications
Identify molded product that would be acceptable for rework
Notify Mold Lead or Production Supervisor of mechanical problems that affect quality
Performs other duties as assigned
When assigned to Basement
Enters tanks to clean while following required safety procedures
Wipe off tanks must be cleaned
Keeps floor and drain clean in basement
Clean plugs
Clean preheater decks (mold line & quad station)
Clean sump
Keep all barrels empty
All molds must be cleaned for mold changes
Works independently
Performs other duties as assigned
Supervisory Responsibilities
This job has no supervisory responsibilities.
Education and/or Experience and Skills
High school diploma or general education degree (GED); or 1 month of manufacturing experience
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.
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.
Website: https://www.jm.com/
Headquarter Location: Denver, Colorado, United States
Employee Count: 5001-10000
Year Founded: 1858
IPO Status: Private
Industries: Building Material ⋅ Construction ⋅ Interior Design ⋅ Manufacturing