Skip to Main Content


Recruitment #24-004460-0003


Long-Term Contractual Vacancy





Joseph Manning Hatchery, 10201 Bee Oak Rd, Brandywine MD, 20613 (Charles County)

Main Purpose of Job

The incumbent serves as the primary culture specialist for freshwater mussel propagation at the Joseph Manning Hatchery. The main purposes of this position are to 1) perform daily husbandry tasks required during all phases of freshwater mussel culture and grow out. 2) assemble, maintain, and make repairs to freshwater mussel infestation, culture, and broodstock holding systems. 3) participate in fieldwork that supports the goals of the propagation program. 4) Participate in public outreach events for the department to spread awareness of efforts to restore freshwater mussels. These job duties point directly to DNR’s mission statements 1 and 2. To create Sustainable Populations of Living Resources and Aquatic Habitat and create Healthy Maryland Watershed Lands, Streams, and Non-Tidal Rivers. 


The Department of Natural Resources, (Freshwater Fisheries & Hatcheries Division in Brandywine, MD), is currently accepting applications for a (LTC) Natural Resources Technician IV position. This position participates in all phases of freshwater mussel propagation, culture, and field work for multiple mussel restoration projects in the Susquehanna River and Potomac River drainages. Project consists of hatchery propagation of multiple species of freshwater mussels and fish, the design and assembly of mussel and fish culture systems, freshwater mussel surveys and broodstock collection fieldwork, and public outreach/education events.


Experience: Five years of experience, three years of experience in technical biological work in the field of natural resources management and an additional two years of experience performing technical biological work in the field of forestry, arboriculture, wildlife, aquaculture, natural resources management, or fisheries.


1. Candidates may substitute the completion of 60 credit hours from an accredited college or university, 18 credit hours must be in biology, biochemistry, environmental science, forest technology, arboriculture, aquaculture, natural science, natural resources management, botany, marine biology, marine ecology, physical oceanography, ichthyology, fisheries management, wildlife management, zoology, or a natural resources management related field of study and three years of experience in technical biological work in the field of natural resources management for the required experience.

2. Candidates may substitute additional education beyond the 60 credit hours from an accredited college or university in a natural resources related field of study on a year-for-year basis for up to two years of the required experience.

3. Candidates may substitute U.S. Armed Forces military service experience as a non-commissioned officer in the natural resources management and biological sciences classifications or natural resources management and biological sciences specialty codes in the biological science technician field of work on a year-for-year basis for the required education.    


Candidates whose applications are not being accepted based on one of the substitutions must have one (1) year of experience in aquatic animal husbandry.


  • One year of experience in freshwater mussel culture and propagation
  • One Year of experience with freshwater mussel surveys/fieldwork
  • Experience in fish culture
  • Experience in plumbing and or the construction of aquaculture systems
  • Experience with freshwater mussel species of the Mid-Atlantic region
  • Proficiency using spreadsheets and database software


Employees in this classification may be assigned duties which require the operation of an automobile or other motor vehicle. Employees assigned such duties will be required to possess the appropriate operator's license valid in the State of Maryland.


Please make sure you provide sufficient information on your application to show that you meet the qualifications for this recruitment. All information concerning your qualifications must be submitted by the closing date. We will not accept information submitted after this date. Applicants who meet the minimum qualifications will be considered for this position. Therefore, it is important that you provide complete and accurate information on your application. Report all education and experience related to the essential functions and qualifications of this position.

For education obtained outside the U.S., a copy of the equivalent American education as determined by a foreign credential evaluation service must be provided prior to hire.


Contractual employees who work for an agency covered under the State Employee and Retiree Health and Welfare Benefits Program, have a current employment contract and work 30 or more hours a week (or on average 130 hours per month) may be eligible for subsidized health benefits coverage for themselves and their dependents. As a contractual employee, you will be responsible for paying 25% of the premiums for your medical and prescription coverage, including any eligible dependents you have enrolled. The State of Maryland will subsidize the remaining 75% of the cost for these benefits. You can also elect to enroll in dental coverage, accidental death and dismemberment insurance, and life insurance, but will be responsible to pay the full premium for these benefits.

Leave may be granted to a contractual employee who has worked 120 days in a 12 month period. This leave accrues at a rate of one hour for every 30 hours worked, not to exceed 40 hours per calendar year.


The online application is strongly preferred. If you are unable to apply online, you may submit a paper application and supplemental questionnaire to: Department of Natural Resources, Human Resources, 580 Taylor Avenue, C-3 Annapolis, MD 21401. The Human Resources unit is not responsible for applications sent to any other address.

Faxed or e-mailed applications will not be accepted. Resumes will not be accepted in lieu of completing the application.

If you are having difficulty with your user account, need to make adjustments to a submitted application or have general questions about the online application system, please contact the MD Department of Budget and Management at ; ATTN: Recruitment and Examination Division

Inquiries regarding this recruitment can be directed to Emilee Knott at

TTY Users: call via Maryland Relay

Candidates with disabilities and bilingual candidates are encouraged to apply. We thank our Veterans for their service to our country, and encourage them to apply. As an equal opportunity employer, Maryland is committed to recruiting, retaining and promoting employees who are reflective of the State’s diversity. 

Powered by JobAps