Mgr, Service

Atlantic Detroit Diesel Allison•Piscataway Township, NJ

6d•Onsite

About The Position

The Service Manager is responsible for leading the day‑to‑day operations of the Piscataway, NJ service facility, overseeing both on‑highway and off‑highway service lines. This role ensures safe, efficient, and profitable execution of service work across heavy‑duty vehicles, power generation, marine, and industrial applications. The Service Manager leads technicians and service administration staff, maintains strong customer relationships, and drives performance to meet or exceed monthly financial, operational, and safety objectives. Primary Product Lines & Applications On‑Highway: Allison Transmission Detroit Diesel and Cummins engine work Off‑Highway: Standby power gensets – diesel and natural gas fired Marine propulsion engines, drives, and auxiliary systems Industrial equipment applications OEM platforms including MTU, Volvo Penta, Deutz, and Mercedes‑based power systems Salary Range - 95,000 - $125,000 annually, commensurate with experience

Requirements

Strong working knowledge of heavy‑duty diesel engines, transmissions, electrical systems, and power generation equipment.
Experience managing both on‑highway and off‑highway service operations preferred.
Proven leadership ability in a fast‑paced service environment with competing priorities.
Strong customer service, communication, organizational, and problem‑solving skills.
Ability to read, interpret, and communicate technical repair information clearly to customers and staff.
High school diploma or GED required.
Minimum 3 years in a supervisory or management role within the heavy‑duty truck, engine, transmission, generator, marine, or industrial service industry.
Proficiency with Microsoft Office (Word, Excel, Outlook).
Ability to manage estimates, WIP, invoicing, and reporting in a digital service environment.

Nice To Haves

Prior experience with OEM warranty administration and major repair management strongly preferred.
Experience with service ERP systems (Oracle preferred).
Experience with Service Pro software perferred

Responsibilities

Plan, schedule, and supervise all maintenance and repair activities across on‑highway and off‑highway operations.
Ensure efficient workflow, proper job scoping, and timely completion of repairs in both shop and field service environments.
Balance labor, bays, and field resources to support emergency response, planned maintenance, and major repair work.
Own monthly service performance, including revenue, gross margin, labor recovery, and cost control.
Monitor Work‑in‑Process (WIP) to ensure timely job closure, accurate billing, and minimized aged WIP exposure.
Review repair estimates, approve job extensions, and ensure pricing aligns with scope and margin expectations.
Create and review final customer invoices, ensuring clear documentation and explanation of all charges.
Serve as the primary escalation point for customer concerns related to quality, schedule, and cost.
Maintain strong working relationships with key customers across transit, municipal, industrial, marine, and power generation sectors.
Ensure compliance with OEM service, warranty, and documentation requirements for Allison, Detroit, Cummins, MTU, Volvo Penta, and Deutz platforms.
Recruit, train, and lead service technicians, supervisors, and administrative staff.
Conduct performance evaluations and provide ongoing coaching, accountability, and development.
Foster a culture of safety, professionalism, technical excellence, and continuous improvement.
Enforce DOT, OSHA, EPA, and company safety policies and procedures.
Conduct regular safety meetings, audits, and facility inspections.
Ensure compliance with environmental, fueling, waste handling, and shop safety requirements.