Engineering Jobs in Tennent New Jersey

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.

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 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. 

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.

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.

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.

Job Title: Project Manager

Reports to: Vice President of Construction

Position Summary:

The Project manager is responsible for planning, coordinating, and executing mechanical

contracting projects from inception to completion. This person will ensure projects meet budget,

schedule, and quality standards while maintaining strong client relationships and leading internal

teams.

Key Responsibilities:

• Coordinate and actively manage all project related activities including:

• Material, equipment and sub-contractor scheduling releases

• Read and thoroughly comprehend blueprints for all trades

• Proactively identify issues that could lead to problems and facilitate their solutions

• Attend in-office and/or off-site meetings

• Study complete set of contract documents including drawings, specifications, schedules,

building rules and regulations

• Create and maintain schedule. Receive, distribute, delegate and complete all punch lists

• Document and manage the project closeout process to assure timely completion

• Projections for labor, billing, subs & materials

• Job costing with WIP

• Task details & change order execution

• Review scope of Contract

• Confirm submittals match spec and scope

• Communicate with client

• Communicate with all internal departments

• Mentor Project Coordinators & Project Engineers

• Other duties may be assigned by management, provided they align reasonably within the

scope and nature of the position

Qualifications:

• Bachelor’s degree in Mechanical Engineering, Construction Management, or related field.

• 2-3 years of experience in mechanical contracting or construction project management.

• Strong knowledge of HVAC, plumbing, piping, and sheet metal systems.

• Proficiency in project management software and MS Office Suite.

• Excellent leadership, communication, and problem-solving skills.

• OSHA 30 certification preferred.

Organize, train and oversee technical staff in order to implement established maintenance, inspection and operational procedures. Must have proven skills in problem-solving and team building. Be able to schedule work, repair, and maintain machines, equipment and facilities to ensure safe, reliable, and consistent operation according to the manufacturer’s requirements.

.

Duties and Responsibilities:

Must be knowledgeable and have basic understanding of mechanical, hydraulic and pneumatic systems including (but not limited to) the following areas:

• Manage union team members and oversee various jobs and projects.
  • Monitor communication methods for additional work assignments, upcoming events, and internal communications.
  • Ability to understand mechanical, hydraulic, and pneumatic drawings.
  • Understanding of Building construction plans.
  • Identify suppliers for replacement parts, obtain competitive bids, and enter purchase requisitions.
  • Use test data and electrical schematics to troubleshoot malfunctioning equipment.
  • Make recommendations regarding the need for modification to maintenance procedures, test procedures, instrumentation or setup based upon test results and machine operational performance.
  • Work in co-operation with engineering, technical and management or outside personnel.
  • Maintain detailed maintenance records in order to perform effective preventive maintenance.
  • Maintain good Maintenance standards to ensure buildings, grounds and attractions are safe and visually in compliance.
  • Have the ability to plan, organize and train a maintenance team for a large Theme park, Safari, and waterpark.
  • Must have the ability to train safety, OSHA and protocol information to large groups and document the trainings.
  • Must possess the ability to stand for long periods of time, climb stairs and ladders repeatedly, bend, stoop, twist, crawl, kneel, push, pull, and work overhead using both hands.

Title: Early Career Recruiter

On-site – East Windsor, NJ

We are looking for recent graduates or early-career professionals who are interested in starting a career in Technical Recruiting / Talent Acquisition. This role offers hands-on training, mentorship, and growth into a full-cycle recruiter role.

What You’ll Learn & Do:

Learn how to recruit for software, IT, and engineering roles

Work closely with senior recruiters and hiring managers

Source candidates using LinkedIn, job boards, and internal databases

Screen resumes and conduct initial candidate interviews

Coordinate interview schedules and follow-ups

Support onboarding and offer processes

Build candidate pipelines and maintain recruiting data

Represent the company at career fairs and campus events

Ideal Candidate:

Recent graduate or up to 1–2 years of experience

Bachelor’s degree in HR, Business, Marketing, Psychology, or related field

Strong communication and interpersonal skills

Interest in recruiting, HR, or talent acquisition

Organized, eager to learn, and comfortable talking to people

Basic computer skills (MS Excel, Word, LinkedIn)

What We Offer:

Structured training & mentorship

Clear growth path to Technical Recruiter / Senior Recruiter

Exposure to US staffing & IT hiring

Visa sponsorship available