Line Maintenance Supervisor

Salary : $63,663.80 - $111,141.89 Annually
Location : 5310 Hawthorne Rd., La Plata, MD
Job Type: Full-time
Job Number: 2026-00161
Department: PW UT - MAINTENANCE SUPPORT
Opening Date: 07/09/2026
Closing Date: 7/23/2026 11:59 PM Eastern


Summary
The hiring salary for this position is $63,663.80 annually.
Charles County Government is seeking a dynamic Line Maintenance Supervisor to perform supervisory water and wastewater system maintenance work for the County's Department of Utilities. Supervisor will be involved in supervising crews engaged in the maintenance, installation and repair of water and wastewater collection and distribution lines, valves, meters and related equipment. This position maintains and repairs water and sewer line. Carries out daily assignments, follow through on matters, and use independent judgement to take appropriate actions to deal with standard reoccurring situations. Manage contractors as assigned. Maintains electronic records of completed wok. Supervisor will act as a liaison between DPW-Utilities and customers., and work with other departments to resolve field-oriented conflicts.

Essential Job Functions

• Installs, maintains and repairs water distribution and wastewater collection piping, systems and equipment.
• Schedules maintenance and repair of assigned equipment, machinery and vehicles.
• Trains, supervises and evaluates assigned personnel.
• Ensures adequate maintenance and cleanliness of assigned work areas.
• Follows safety practices in performance of all duties.
• Locates water and wastewater service for other parties.
• Updates and maintains records, plans, drawings, files and supplies.
• Interacts with other agencies as required.
• Implements modifications to systems as needed.
• Investigates and helps resolve complaints.
• Flushes fire hydrants.
• Prepares time sheets or cards for crew.
• Establish and maintain electronic records in the maintenance management system.
• Coordinates with vehicle maintenance for repairs.
• Coordinates work with other departments for preventive maintenance and emergencies.
• Prepares the monthly work orders for completion and log into computer for down load.
• Attends training classes and conferences so to share information and promote advancement in the work place.
• Provides hands on inspections of water and sewer lines man hole instillation also curb stops and clean out.
• Prepares material for upcoming jobs and assist in installation.
• Acts for supervisor as assigned. Performs related work as required.
• Interfaces with the GIS in order to ensure accuracy and efficiency in performing underground asset work while maintaining safety on the job site.
• Conducts initial investigation and follow up on customer complaints.
• Performs other related job duties as assigned.

Qualifications, Knowledge, Skills, and Abilities

Education and Experience:
High school diploma or an acceptable equivalency diploma (GED). Five (5) years of progressively responsible utility maintenance experience; or an equivalent combination of education, experience and training.
Licenses or Certifications:
Must possess a valid Commercial Driver's License, Class "A" or Class "A" restricted and "N" endorsement (tanker) required
Water Distribution Operator Certificate
Class 2 (gravity & pumped or vacuum systems) Wastewater Collection Operator Certificate
Temporary Traffic Control Registered Flagger.
Confined Space Procedures
Shoring certification
Erosion and Sediment Control Certification.
Special Requirements/Qualifications:
Subject to work beyond the normal scheduled hours of work.
Satisfactory completion of confined space procedures.
Serve in on-call duty on a rotational basis.
May work in confined space areas.
Subject to call back in emergencies.
PLEASE NOTE: THIS IS A CDL POSITION, AND EMPLOYEES IN THIS POSITION ARE SUBJECT TO RANDOM DRUG AND ALCOHOL SCREENING.
Knowledge, Skills and Abilities:

• Knowledge of methods and procedures used in maintaining and repairing water and wastewater distribution and collection systems.
• Knowledge of confined space procedures.

• Knowledge of the use and care of hand, power and other tools used in the work.
• Knowledge of effective techniques of supervision.
• Ability to carry out daily assignments, follow through on matters, and use independent judgment and training to take appropriate actions to deal with standard recurring situations.
• Ability to supervise maintenance of water and wastewater distribution and collection systems.
• Ability to perform physically demanding work.
• Ability to use the tools and equipment of the work efficiently.
• Ability to interpret and apply technical guides.

Additional Information
PHYSICAL DEMANDS
The work is regularly active with periods of heavy exertion, and is performed in shop or field settings and outside. Typical positions require workers to walk or stand for long periods; lift and carry up to 100 pounds; climb stairs, ladders and scaffolding; bend, kneel, crouch and crawl; reach, hold, grasp and turn objects; feel the size, shape and temperature of items; and use fingers to operate computer or typewriter keyboards. The work requires the ability to speak normally, to use normal or aided vision and hearing, and to detect odors.

WORK ENVIRONMENT
Principal duties of this job are performed in a general office, in shop or field settings and outside environment. Employee is subject to hazards of a wastewater environment; exposed to raw sewage; and exposed to inclement weather.
Department/Division: Public Works/Utilities/Maintenance Support

Pay Grade: 113

FLSA Status: Non-Exempt

Telework Eligible: No

Reports To: Line Maintenance Superintendent

Supervises: Line Maintenance Operator(s)
Charles County Government
BENEFITS SUMMARY
. GovernmentJobs . com / Careers / CharlesCountyMD
Health Insurance
Charles County Government PAYS 70% of cost: Blue Choice Advantage and HMO Open Access plans, including prescription and vision coverage. CareFirst and Delta for dental coverage.


Flexible Spending Account
Provides medical and dependent care options.


Supplemental Income Products
Accident Policy, Critical Illness Policy, and Hospital Indemnity Policy.

Long Term Disability Insurance
No charge to employee. The benefit pays 60% of salary at date of disability, up to $5,000/month.


Life Insurance
No charge to employees (valued at 1.5x the annual salary, not to exceed $250,000). Supplemental insurance and dependent life insurance are available for an additional cost. Term and whole life policies available.


Pension Plan (Defined Benefit Retirement Plan) 401(a) Plan - Must work minimum 37.5 hrs/week. Participation is mandatory.

Deferred Compensation Plan
457(b) Governmental Plan - Available to all employees, regardless of hours worked.


Employee Leave
• Charles County Government full-time employees earn annual, sick, and paid time off (PTO).
• The County currently recognizes 20 paid holidays throughout the calendar year.
• Away from work programs like paid parental leave and FMLA are available to employees.


Transfer of Sick Leave
New hires may be eligible to receive credit for up to 400 hours of sick leave from their previous employer when they begin employment.


Work Schedules
• Most work weeks are 37.5 hrs, and some positions may offer the opportunity for flexible work schedules or allow telework.

Additional Fringe Benefits
• Tuition Reimbursement for full-time employees upon completion of probation period
• Discounted, Onsite Childcare at a County Government facility.
• House Keys 4 Employee Program offers assistance to full-time employees who are first-time homebuyers.
• Free, Employee Wellness Programs
• Legal Resources (prepaid benefit)
• Pet Insurance
• Employee Assistance Program (free, short-term counseling)

Benefits eligibility is for employees who work 30 hours or more per week unless otherwise noted. Effective: March 1, 2026
01


The hiring salary for this position is $62,723.06 annually. annually. Internal candidates selected for this position will receive a salary according to the county's promotional pay increase policy. Please confirm that you are acknowledging this is the salary for this position.

• I acknowledge this is the salary for this position.

02


The position you are applying for requires an acceptable driving record. The Charles County Government employee driving policy states that employees will be considered to have an acceptable driving record if ALL of the following statements are true: - I do not exceed a maximum of four (4) points on my driving record. - I do not have a suspended or revoked license. - I do not have a single motor vehicle violation, conviction, or plea of Nolo Contendere, or the acceptance of Probation Before Judgment (PBJ) involving the use of alcohol, illegal drugs, refusal to take an alcohol or drug test, or the misuse of legal over-the-counter medication for any of these violations. - I have not demonstrated a pattern of unsafe vehicle operation as evidenced by moving violations or single infraction of such severity (e.g., eluding a police officer; evading responsibility; failure to yield to a pedestrian in a crosswalk, reckless driving, etc.).According to these guidelines, do you have an acceptable driving record?

• Yes
• No

03


For the top candidate selected for this position, the next steps in the hiring process will include verification of employment history and reference checking. We will contact your current employer and two additional professional references following a conditional offer. We will also conduct a background check, driver record check and physical exam, if applicable, and pre-employment drug and alcohol screening before a final offer is extended. Please confirm that you are acknowledging that if you are the top candidate selected for this position, the steps described above will be taken during the hiring process.

• I confirm that I am acknowledging that if I am the top candidate selected for this position, the steps described above will be taken during the hiring process.

04


Are you a federal employee recently affected by a layoff/reduction in force?

• Yes
• No

Required Question