Fleet Maintenance Diesel Specialist
Zum
Jessup, MD, USA
Posted on Mar 26, 2026
Ready to keep an innovative student transportation fleet moving?
At Zūm, we’ve reimagined the nation’s largest mass transit system—student transportation—through an end-to-end, cloud-based platform. With an electric vehicle–first approach and a multi-sized fleet, we cut commute times by up to 20% while improving safety and transparency for families, drivers, schools, and districts. Since 2015, we’ve logged 8+ million miles delivering reliable, efficient, and sustainable service.
What you’ll tackle
Join a mission-driven team that’s modernizing school transportation with real-time tech, a diverse fleet, and a sustainability focus.
Zum Services, Inc. and all its subsidiaries provide equal employment opportunities to all employees and applicants for employmentandprohibits 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 byfederal, state or locallaws.
At Zūm, we’ve reimagined the nation’s largest mass transit system—student transportation—through an end-to-end, cloud-based platform. With an electric vehicle–first approach and a multi-sized fleet, we cut commute times by up to 20% while improving safety and transparency for families, drivers, schools, and districts. Since 2015, we’ve logged 8+ million miles delivering reliable, efficient, and sustainable service.
What you’ll tackle
- Troubleshoot and repair: steering, electrical, cooling, lubrication, braking, drivetrains, suspensions, power steering units, clutches, and transmissions.
- Adjust, test, and rebuild engines; service oil, temperature, and fuel regulation assemblies.
- Operate within your certification level while following all relevant federal, state, and local regulations.
- Test-drive vehicles to verify successful repairs.
- Arrange and obtain inspections/approvals before major repair releases.
- Keep the shop safe, clean, and efficient; ensure compliance with federal, state/provincial, and local standards.
- Record labor hours, parts usage, and all work performed on required documentation.
- Handle road calls and complete on-the-road fixes.
- Flag additional repair needs and refer work needing higher-level technician qualifications.
- Inform the Lead Technician of unsafe maintenance conditions, practices, or vehicle abuse.
- 2–4 years of medium/heavy truck fleet mechanic experience.
- Expertise in diagnostics, electrical systems, and A/C.
- Comprehensive knowledge of core vehicle systems and diesel equipment.
- Hands-on fleet background across diesel and gasoline platforms.
- Own the recommended minimum hand tools for diesel technicians.
- Strong judgment and decision-making ability.
- Valid state driver’s license (CDL preferred).
- ASE certification desired but not required.
Join a mission-driven team that’s modernizing school transportation with real-time tech, a diverse fleet, and a sustainability focus.
Zum Services, Inc. and all its subsidiaries provide equal employment opportunities to all employees and applicants for employmentandprohibits 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 byfederal, state or locallaws.
