
Current MES Employees who are interested in applying for this position must visit the Internal MES Careers Page by going to their Workday Dashboard, clicking on the Career icon and selecting Find Jobs.
This is an exciting opportunity to join a leading team that provides environmental solutions to the public and private sectors throughout the State of Maryland.
Maryland Environmental Service has an opening for a Managing Director, Water/Wastewater to oversee the W/WW Division at our Headquarters facility in Millersville, MD. This position serves as a member of the MES executive management team, with principal responsibility for administration of water/wastewater activities including full service engineering, utility operations and maintenance, capital construction, pretreatment and research and development programs.
Estimated Pay Range:
$166,257 - $ 213,016.78
Benefits:
Health Insurance with choice of medical plan and prescription, dental, vision, and life and disability insurance options, along with flexible spending accounts
401K retirement savings program with generous agency match
Paid vacation, personal and sick leave
Eleven paid holidays per year
Tuition assistance
Minimum Requirements:
Bachelor's degree in engineering from an accredited educational institution plus 15 years or more of progressively responsible experience in administration of water/wastewater or public works services. Must have a valid driver's license with less than 5 points.
The successful candidate will have strong communications, analytical, interpersonal and organizational skills. Must be able to interact effectively with internal and external clients and customers.
The last day to apply for this position is April 17th, 2026.
Any offer of employment will be contingent upon successfully completing required pre-employment screens, to include full background check, drug & alcohol screening, and position appropriate physical.
Maryland Environmental Service is an Equal Opportunity Employer. Applicants must be currently authorized to work in the United States on a full-time basis. MES does not participate in programs that require sponsorship for work visas.

MES was established by the General Assembly in 1970 to assist with the preservation, improvement, and management of the quality of air, land, water, and natural resources, and to promote the health and welfare of the citizens of the State. Today, MES employs over 800 teammates and operates more than 1,000 environmental projects across Maryland and the Mid-Atlantic region. As a not-for-profit business unit of the state of Maryland, MES provides multi-disciplinary environmental compliance services to enhance and protect the environment through innovative solutions to the region’s most complex environmental challenges.