Engineering Jobs in Clinton Hunterdon County, NJ

Schedule: Monday - Friday 8:00 AM - 6:00 PM, Occassional Satuday 6:00 AM - 2:00 PM

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the country! We primarily service Northern New Jersey, Southern New York State, New York City, Connecticut, with a landfill located in Ohio, where we also own and operate a state-of-the-art rail-served landfill. We cater to a diverse range of residential, industrial and commercial customers. Our mission has always been to provide our customers with the highest quality waste, recycling and environmental services, while keeping focus on employee, customer and environmental safety. 

What makes our company culture unique is we have mastered the ability to balance the standards of a large corporate company while maintaining our small business family style culture. 

Our Yellow Iron Diesel Technicians/Mechanics perform inspection, diagnosis, preventative maintenance, and repair of electrical, hydraulic, suspension, brake and air systems on vehicles and equipment, primarily including yellow iron machinery, diesel heavy trucks and engines. The Technician or Mechanic is not only responsible for understanding maintenance and breakdown needs and initiating/ assigning necessary repairs, but also must be able to operate the machinery being repaired. At times, the Technician may be on call and required to assist with emergency breakdowns.

• Maintains advanced knowledge to diagnose and repair mechanical problems on heavy equipment (heavy equipment includes but not limited to: yellow iron machinery, tractor trailers, forklifts, and other diesel trucks)
• Performs repairs and assigned preventative maintenance services.
• Estimates time and material cost on vehicle repairs and requisition of new parts.
• Conduct safety checks on vehicles.
• Completes required paperwork utilizing fleet maintenance software program associated with repairing vehicles, documenting part usage, and accounting for repair time.
• Reviews, completes, or assigns repairs identified on Driver Vehicle Inspection Reports.
• Maintain a clean, safe work area in compliance with Company safety protocols and OSHA standards.
• This position will have no direct reports, however they will work in collaboration with the other yellow iron diesel mechanic on staff, although on different shifts.
• Assists Sr. Technicians in the completion of project work.

• Applicants must be at least 18 years of age and legally eligible to work in the United States.
• A valid driver’s license is required. CDL a plus.
• At least 5 years of experience in job duties.
• Sanitation or construction industry experience a plus.
• Computer diagnostic experience as diesel technician a plus.
• Experience with troubleshooting/repairing DPF systems diagnostic software such as Premium Tech Tool (Mack), Allison transmission, Cummins, CAT, Peterbilt, and Paccar.
• Working knowledge of applicable DOT and OSHA standards and regulations.
• Must be able to speak and read English well enough to converse with colleagues, drivers and dispatch, and be able to make legible entries on reports and records.
• Must be able to meet the physical and safety requirements of the position.
• Must be able to provide own tools

Work Environment

• We are continuously investing in equipment, and many of our trucks are less than 2 years old.
• Potentially hazardous work environment with many moving parts and machinery; must always be alert of surroundings.
• Only during breakdowns will this position be required to enter transfer station loading/ dumping area.
• Personal Protective Equipment (PPE) will be provided.
• The Yellow Iron Diesel Technician/Mechanic may be required to lift upwards to 50 pounds. Frequent squatting and standing are required.

This job description is intended to be an accurate representation of the general functions of the job, rather than exhaustive list of duties, responsibilities, or experience. Other duties may be assigned, requested, or required. Aspects of the job may be altered without notice.

Interstate Waste Services provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the greater New York, New Jersey and Connecticut markets with a rail-served landfill in Ohio!  IWS is committed to delivering high-quality waste, recycling and environmental services, while prioritizing the safety of our employees, customers and communities. We cater to a diverse range of industrial, medical and commercial/residential customers. 

Founded in 1998, IWS has grown over the years through acquisitions, many of which were family-owned businesses that remain a part of our team today. We’re proud to combine the resources of a large company with the values and care of a family-run business. 

Our Yellow Iron Diesel Mechanics perform inspection, diagnosis, preventative maintenance, and repair of electrical, hydraulic, suspension, brake and air systems on vehicles and equipment, primarily including yellow iron machinery, diesel heavy trucks and engines. The Technician or Mechanic is not only responsible for understanding maintenance and breakdown needs and initiating/ assigning necessary repairs, but also must be able to operate the machinery being repaired. At times, the Technician may be on call and required to assist with emergency breakdowns.

• Maintains advanced knowledge to diagnose and repair mechanical problems on heavy equipment (heavy equipment includes but not limited to: yellow iron machinery, tractor trailers, forklifts, and other diesel trucks)
• Performs repairs and assigned preventative maintenance services.
• Estimates time and material cost on vehicle repairs and requisition of new parts.
• Conduct safety checks on vehicles.
• Completes required paperwork utilizing fleet maintenance software program associated with repairing vehicles, documenting part usage, and accounting for repair time.
• Reviews, completes, or assigns repairs identified on Driver Vehicle Inspection Reports.
• Maintain a clean, safe work area in compliance with Company safety protocols and OSHA standards.
• This position will have no direct reports, however they will work in collaboration with the other yellow iron diesel mechanic on staff, although on different shifts.
• Assists Sr. Technicians in the completion of project work.

Work Environment

• Potentially hazardous work environment with many moving parts and machinery; must be alert of surroundings at all times.
• Only during breakdowns will this position be required to enter transfer station loading/ dumping area.
• The Yellow Iron Diesel Technician/Mechanic may be required to lift up to 50 pounds. Frequent squatting and standing is required.

Requirements

• Applicants must be at least 18 years of age and legally eligible to work in the United States.
• A valid driver’s license is required. CDL a plus.
• At least 5 years of experience in job duties.
• Sanitation or construction industry experience a plus.
• Computer diagnostic experience as diesel technician a plus.
• Experience with troubleshooting/repairing DPF systems diagnostic software such as Premium Tech Tool (Mack), Allison transmission, Cummins, CAT, Peterbilt, and Paccar.
• Working knowledge of applicable DOT and OSHA standards and regulations.
• Must be able to speak and read English well enough to converse with colleagues, drivers and dispatch, and be able to make legible entries on reports and records.
• Must be able to meet the physical and safety requirements of the position.
• Must be able to provide own tools

This job description is intended to be an accurate representation of the general functions of the job, rather than exhaustive list of duties, responsibilities, or experience. Other duties may be assigned, requested, or required. Aspects of the job may be altered without notice. 

Interstate Waste Services provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.  

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. 

Fuel Your Career with Us!

Are you a skilled Diesel Mechanic looking for your next opportunity? Join our team at Interstate Waste Services and put your expertise to work!

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the country! We primarily service Northern New Jersey, Southern New York State, New York City, with a landfill located in Ohio, where we also own and operate a state-of-the-art rail-served landfill. We cater to a diverse range of residential, industrial and commercial customers. Our mission has always been to provide our customers with the highest quality waste, recycling and environmental services, while keeping focus on employee, customer and environmental safety. 

Schedule:

Overnight Wednesday to Sunday 6pm to 5am.

Our Diesel Mechanics perform inspection, diagnosis and repair of electrical, hydraulic, suspension, brake and air systems on vehicles and equipment, including diesel heavy trucks and engines. Performs preventive maintenance inspection (PMI); troubleshoots, repairs, and rebuilds major components on vehicles and equipment. Ensures accurate diagnosis and effective repair and/or replacement of component.

• Performs all work in accordance with established safety procedures. 
• Completes required paperwork utilizing fleet maintenance software program associated with repairing vehicles, documenting parts usage, and accounting for repair times.  
• Assists in the repair and adjustment of equipment.  
• Washes vehicles and equipment.  
• Conducts safety checks on vehicles.  
• Assists with service calls for breakdowns.  
• Perform other maintenance related work as required. 
• Maintain a clean, safe work area in compliance with Corporate / OSHA Standards. 

• 2+ years’ experience working as a heavy-duty Diesel Mechanic
• Hydraulics experience is highly preferred
• Engine and transmission maintenance and repairs
• Experience with diagnostic software such as Premium Tech Tool (Mack), Allison transmission, Cummins, Peterbilt, and Paccar.
• Chassis component repairs and maintenance including air brakes system, suspension, drivetrain and steering components.
• Maintain and repair exhaust systems equipped with DPF systems.
• Maintain a clean, safe work area in compliance with Corporate / OSHA Standards.
• Assists with service calls for breakdowns
• Must be able to provide own tools.
• A valid driver’s license is required.Preform other duties as assigned.

IWS is committed to providing a world class workplace to all employees. Each eligible employee receives a competitive total compensation package including, hourly pay based on experience and paid overtime, Medical, Dental, Vision, Life Insurance and more. Our employees also receive Paid Vacation, Holidays, and Personal Days.

We believe in providing the training and development you need to grow your career with IWS. Many of our Supervisors, Managers, and other leadership staff, started their careers as Helpers, Drivers, or Dispatchers. IWS is proud to be an equal opportunity employer. We celebrate diversity and do not discriminate based on race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability status, or any other applicable characteristics protected by law.

Fuel Your Career with Us!

Are you a skilled Diesel Mechanic looking for your next opportunity? Join our team at Interstate Waste Services and put your expertise to work!

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the country! We primarily service Northern New Jersey, Southern New York State, New York City, with a landfill located in Ohio, where we also own and operate a state-of-the-art rail-served landfill. We cater to a diverse range of residential, industrial and commercial customers. Our mission has always been to provide our customers with the highest quality waste, recycling and environmental services, while keeping focus on employee, customer and environmental safety. 

Our Diesel Mechanics perform inspection, diagnosis and repair of electrical, hydraulic, suspension, brake and air systems on vehicles and equipment, including diesel heavy trucks and engines. Performs preventive maintenance inspection (PMI); troubleshoots, repairs, and rebuilds major components on vehicles and equipment. Ensures accurate diagnosis and effective repair and/or replacement of component.

Requirements

• 2+ years’ experience working as a heavy-duty Diesel Mechanic
• Hydraulics experience is highly preferred
• Engine and transmission maintenance and repairs
• Experience with diagnostic software such as Premium Tech Tool (Mack), Allison transmission, Cummins, Peterbilt, and Paccar.
• Chassis component repairs and maintenance including air brakes system, suspension, drivetrain and steering components.
• Maintain and repair exhaust systems equipped with DPF systems.
• Maintain a clean, safe work area in compliance with Corporate / OSHA Standards.
• Assists with service calls for breakdowns
• Must be able to provide own tools.
• A valid driver’s license is required.
• Preform other duties as assigned.

What We Offer?

• Competitive wage (based on experience) plus Time and a half for Overtime.
• Union Shop.
• Medical, dental, vision, life, short-term and long-term disability coverage.
• 401(k).
• Uniforms provided with laundry services.

IWS is committed to providing a world class workplace to all employees. Each eligible employee receives a competitive total compensation package including, hourly pay based on experience and paid overtime, Medical, Dental, Vision, Life Insurance and more. Our employees also receive Paid Vacation, Holidays, and Personal Days.

We believe in providing the training and development you need to grow your career with IWS. Many of our Supervisors, Managers, and other leadership staff, started their careers as Helpers, Drivers, or Dispatchers. IWS is proud to be an equal opportunity employer. We celebrate diversity and do not discriminate based on race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability status, or any other applicable characteristics protected by law.

Interstate Waste Services is the most progressive and innovative provider of solid waste and recycling services in the greater New York, New Jersey and Connecticut markets with a rail-served landfill in Ohio.  IWS is committed to delivering high-quality waste, recycling and environmental services, while prioritizing the safety of our employees, customers and communities. We cater to a diverse range of industrial, medical and commercial/residential customers.

Founded in 1998, IWS has grown over the years through acquisitions, many of which were family-owned businesses that remain a part of our team today. We’re proud to combine the resources of a large company with the values and care of a family-run business.

 The Level B Fleet Mechanic/Technician is a journeyman-level role responsible for independent diagnosis and repair of most mechanical, electrical, and hydraulic issues on refuse trucks, heavy trucks/tractors, trailers, and heavy equipment. This role also mentors Level C technicians, supports road calls, and ensures high uptime and DOT compliance for the fleet.

Diagnostics & Repair

• Independently diagnose and repair:
  • Diesel and gasoline engines (intake, fuel, cooling, aftertreatment/emissions components).
  • Drivetrain components including clutches, transmissions, differentials, PTOs, and drive lines.
  • Air and hydraulic brake systems, ABS, and suspension components.
  • Hydraulic systems on refuse equipment (packer bodies, arms, cylinders, pumps, valves, and hose routing).
  • Electrical systems including starting/charging, multiplex wiring, sensors, and lighting.

Preventive Maintenance & Compliance

• Perform and sign off on DOT-compliant inspections and PMs, ensuring all safety-critical items are addressed and documented.
• Accurately interpret and close out DVIR/eDVIR defects; communicate recurring defects to leadership for root-cause analysis.
• Use OEM and aftermarket diagnostic software, service bulletins, and wiring schematics to troubleshoot complex issues.

Road Calls & Operational Support

• Respond to road calls and breakdowns throughout the NYC tri-state area; perform safe temporary or permanent repairs to return vehicles to service or coordinate towing as needed.
• Communicate clearly with dispatch, supervisors, and drivers on repair status and estimated completion times.

Mentorship, Training & Documentation

• Guide and mentor Level C technicians on best practices, safety, troubleshooting, and proper repair methods.
• Complete work orders thoroughly, capturing complaint, cause, correction, labor hours, and parts used.
• Support continuous improvement initiatives for PM compliance, repeat repair reduction, and parts standardization.

• High school diploma or GED required.
• 3–5+ years hands-on experience as a diesel, truck, or heavy equipment mechanic/technician, including diagnostics and major component replacement.
• Valid CDL Class B (or higher) with air brake endorsement strongly preferred to perform road tests and move equipment on public roads within NY/NJ/CT.
• Demonstrated proficiency with hydraulic, pneumatic, and electrical systems.
• Ability to read and interpret OEM service manuals, wiring diagrams, and hydraulic schematics.
• Experience in refuse/solid waste, municipal, or LTL/heavy trucking fleet operating in urban environments preferred.
• ASE certifications in Medium/Heavy Truck (T series) or Truck Equipment (E series); working toward Master status preferred.
• Basic welding and cutting skills (MIG, stick, torch) for brackets, hangers, and minor body fabrication preferred.
• Familiarity with computerized fleet maintenance and parts inventory systems preferred.

This job description is intended to be an accurate representation of the general functions of the job, rather than exhaustive list of duties, responsibilities, or experience. Other duties may be assigned, requested, or required. Aspects of the job may be altered without notice.

Interstate Waste Services provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

EHS Director and HR

The Director of EHS and HR is responsible for developing, implementing, and sustaining a world-class safety, environmental compliance, and employee engagement culture across six manufacturing facilities in North America. This role oversees a team of direct reports supporting EHS/HR functions, partners closely with plant leadership, HR teams, environmental specialists, and cross-functional stakeholders to drive risk reduction, regulatory compliance, workforce development, and operational excellence. The Director reports to the VP of Manufacturing and plays a critical role in shaping long-term strategy, cultural development, and organizational growth.

Key Responsibilities

Strategic Leadership:

• Create and communicate a clear EHS and HR strategic vision aligned with manufacturing, operational, and organizational goals.
• Develop multi-year initiatives to improve safety performance, environmental compliance, talent engagement, and workforce retention.
• Monitor progress, adjust plans, and guide facilities through long-term, cross-functional continuous improvement.

Safety Leadership & Culture Development:

• Champion a proactive, people-first safety culture across all facilities; drive engagement at every organizational level.
• Serve as a visible, hands-on leader using GEMBA-based safety management practices.
• Act as a change agent—promoting new ideas, leading cultural transformation, and inspiring shared accountability for safety performance.

Risk Management & Compliance:

• Perform Hazard-Based Risk Assessments (HBRAs) across all manufacturing processes; implement corrective and preventive actions.
• Ensure compliance with OSHA and all applicable federal, state, and local regulations.
• Lead the development, implementation, and governance of company-wide safety policies, procedures, and standards.
• Conduct regular audits and site assessments; present findings and recommendations to leadership.

Environmental Compliance & Sustainability:

• Oversee environmental compliance programs across all facilities, ensuring adherence to EPA, state, and local regulations.
• Manage air permitting activities, including general and Title V permits; maintain required records and reporting.
• Ensure proper management and disposal of hazardous waste in accordance with RCRA requirements.
• Oversee SPCC plans, ensuring inspections, training, and documentation are current and compliant.
• Manage stormwater compliance programs including SWPPP development, BMP implementation, and required monitoring.
• Lead Tier II and TRI reporting activities, ensuring accuracy and timely submissions.
• Identify environmental risks and implement programs to reduce environmental impact, energy use, and waste generation.

Human Resources Leadership:

• Manage and oversee payroll processing accuracy for assigned manufacturing sites, ensuring compliance with company policies and applicable regulations.
• Process compensation events such as merit increases, promotions, market adjustments, and other pay-related actions.
• Provide employee support for FMLA, ADA, and other leave-of-absence programs, ensuring proper documentation and adherence to federal and state requirements.
• Administer the annual employee engagement survey across all facilities; lead the analysis, interpretation, and communication of results.
• Prepare executive-level presentations and data summaries to support leadership decision-making.
• Analyze workforce metrics—including turnover, retention drivers, absenteeism, and engagement indicators—and develop strategies to improve workforce stability.
• Partner with HR and Operations leadership to support employee relations, performance management, and organizational development initiatives.

Training & Employee Development

• Deploy comprehensive safety and environmental training programs across multiple sites.
• Coordinate with HR and operations teams to align safety, environmental, and general workforce training needs.
• Strengthen employee awareness, engagement, and competency through continuous education programs.

Incident Prevention & Responses:

• Oversee all accident, incident, and near-miss investigations; ensure thorough root-cause analyses and robust corrective actions.
• Ensure cross-site communication of lessons learned to prevent recurrence.

Continuous Improvement:

• Establish annual EHS and HR goals with measurable performance targets; track progress and guide sites toward achieving results.
• Recommend improvements in machine guarding, ergonomics, facility layout, operational processes, and workforce practices.
• Lead safety committee and employee-engagement committee activities across all facilities.

General Leadership:

• Collaborate with HR, Operations, and other functional leaders to support broader organizational priorities.
• Represent the company in interactions with regulatory agencies.
• Perform additional duties as assigned by VP of manufacturing.

Required Qualifications:

• 5+ years of progressive EHS leadership experience, preferably in an industrial or high-volume manufacturing environment.
• Human Resources experience in areas such as payroll, leave administration, or compensation processing strongly preferred.
• Bachelor's degree in Environmental Health & Safety, Human Resources, Environmental Science, Engineering, or related field (preferred).

**This position is 5 days onsite**

We are seeking a driven and detail-oriented Purchasing Buyer to be responsible for selecting and purchasing quality products for our business. Responsibilities will include processing purchase orders, negotiating with suppliers, tracking orders, creating and maintaining an inventory, quality assurance and liaising with inventory teams and management. The buyer will work with staff across departments to forecast the needs of the business and make purchase decisions based on demand.

The Buyer should be analytically minded and possess excellent negotiating skills to secure the best prices according to budget. Knowledge of sales and marketing principles is advantageous.

Buyer Responsibilities:

• Research, select and purchase quality products and materials.
• Build relationships with suppliers and negotiate with them for the best pricing.
• Process requisitions and update management on status of orders.
• Update inventory and ensure that stock levels are kept at appropriate levels.
• Arrange transport of goods and track orders to ensure timely delivery.
• Analyze market trends and apply this knowledge to make insightful buying decisions.
• Coordinate with inventory team, management, and stockroom as required.
• Assess quality of stock received and escalate any discrepancies to suppliers and management.
• Ability to travel.

Buyer Requirements:

• Bachelor's Degree in Supply Chain, Engineering, Business Administration, etc.
• Strong communication skills, both written and verbal. Urgent and aggressive. Outgoing
• Relevant experience preferred.
• Excellent computer skills (Excel, Microsoft Word, PowerPoint).
• Detailed Oriented.
• Proficient in Microsoft Office applications.
• Critical thinking and negotiation skills.
• Occasional domestic travel.
• 2-4 years minimum of industrial or supply chain buying experience

The Project Manager is responsible for coordinating all phases of assigned projects to ensure objectives are met on time, within scope, and within budget. This role oversees resource allocation, scheduling, budgeting, technical problem-solving, and customer communication. Projects typically range from $500,000 to $10,000,000+ and may involve material handling systems and warehouse infrastructure.

Key Responsibilities

• Coordinate and manage all aspects of assigned projects from initiation through completion
• Define project scope, requirements, and deliverables with strong attention to customer expectations
• Develop, monitor, and maintain engineering schedules
• Oversee material acquisition, outside purchases, and installation activities
• Compile and present project status reports to stakeholders
• Plan and lead project meetings
• Identify, analyze, and resolve technical and operational challenges
• Ensure all project phases are properly documented
• Prepare and manage project budgets to ensure financial objectives are met
• Ensure company resources are utilized efficiently and effectively
• Travel to project sites as necessary to maintain schedule and quality standards
• Maintain strong customer relationships to support long-term retention

Required Qualifications

• Bachelor's degree in Civil, Mechanical, or Industrial Engineering OR a minimum of 5 years of relevant project management experience

Preferred Qualifications

• Experience in material handling systems
• Experience in warehouse design or operations
• Background in construction management
• Experience managing projects valued between $500,000 and $10,000,000

Frazier Industrial Company, the Material Handling Industry Leader in structural steel storage racking and ASRS structural buildings is seeking a full-time Project Manager/Coordinator.

This position, located in Long Valley, NJ, will coordinate all aspects of assigned projects to ensure all deliverables are executed to the terms of the orders. The Project Manager/Coordinator will compile project status reports, coordinate project schedules and will be the primary point of contact with the customer.

Responsibilities include;

• project scope definition, monitoring of engineering and manufacturing schedules, coordination of third-party purchases and the coordination of material deliveries to project sites.
• The position is available to recent graduates and candidates with up to 5 years' experience in construction, project management, project engineering or project coordination in building or related field.
• Material handling experience is a plus. Bachelor's degree in civil engineering, structural engineering or construction management is preferred.
• Must have exceptional communication skills, a sociable demeanor, and the ability to read drawings and troubleshoot technical issues.

About Frazier Industrial Company:

Frazier Industrial Company is the largest manufacturer of racking systems, with its headquarters located in Long Valley, NJ.

FRAZIER's blue and orange pallet rack is quickly recognized for its durability and custom engineered design. From standard pallet rack systems to complex pick-to belt towers, AS/RS installations or Rack Supported Buildings, FRAZIER's expert team of engineers help each customer design the best, most cost-effective Storage Solutions.

FRAZIER has become the leading producer of structural steel pallet rack with the most production capacity in the industry. With our network of 10 fabrication facilities, strategically located throughout North America, FRAZIER guarantees manufacturing flexibility while meeting tight construction deadlines.

We offer competitive pay and excellent benefits