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Ocean Career: Hatchery Assistant Manager at Running Tide

Job in Harpswell, Cumberland County, Maine, 04079, USA
Listing for: Environment Coastal & Offshore (eco) Magazine
Full Time position
Listed on 2026-09-01
Job specializations:
  • Maintenance/Cleaning
    Maintenance Technician / Mechanic
Job Description & How to Apply Below
Location: Harpswell

Hatchery Assistant Manager

Coastlines that were once abundant ecosystems and thriving communities are facing ecologic and economic collapse. At Running Tide, we have experienced this firsthand, and we know the problem won't solve itself. That's why we are building technologies to accelerate and scale the most impactful restorative processes naturally at work in the ocean. We are building a climate positive future by harnessing the power of the ocean.

The hatchery assistant manager will have the opportunity to culture eastern oysters across all systems throughout the hatchery facility including the brood stock/spawning room, larval culture system, spat culture system, laboratory space, and algae culture systems. This is a full-time position, and the employee will work closely with hatchery technicians, as well as the Hatchery Manager and Senior Biologist in Harpswell, Maine.

The employee will also be expected to be available for "on-call" shifts, responding to system alarms when necessary.

Major duties and responsibilities may include but are not limited to:

  • Routine cleaning of culture systems (tanks, plumbing), and adult brood stock oysters
  • Consistent monitoring of system water quality and performing routine water quality tests
  • Maintaining system filtration and replacement of consumable components as needed
  • Helping to lead recurring oyster spawns and successful fertilization
  • Daily examination and quantification of eggs and larvae
  • Draining of larvae tanks and subsequent grading/thinning of larvae
  • Determining appropriate feed levels and water flow rates through culture systems
  • Daily administering and monitoring of algae production and feedings
  • Ensuring successful setting of oyster larvae in spat culture systems
  • Consistent, detailed and diligent record keeping in keeping with discharge regulations

Requirements / Minimum Qualifications

  • Working well independently, and as part of a team
  • Self-motivated and well organized
  • Good time management skills and multi-tasking abilities
  • Possess a general knowledge of aquaculture systems, plumbing, and filtration
  • Completing repetitive tasks with a consistent level of efficiency/quality
  • Good communication and data collection/management skills
  • Lift 50 lbs on occasion, and work on feet in a physically challenging environment
  • Experience in a leadership role, managing employees and overseeing projects
  • At least 2 years' prior experience in an aquaculture hatchery

Preferred Qualifications

  • Degree/coursework in marine biology, aquatic chemistry, aquaculture, or related field
  • Mechanical experience/aptitude (operating/repairing pumps, basic PVC plumbing, etc.)
  • Experienced in water quality monitoring, testing, and adjustments
  • 2-3 years past experience in a shellfish hatchery

This position also requires a flexible work schedule that sometimes varies in the number of hours worked in a day, or in which the stop and start times in a day may vary. This may include working at any hour of the day (in the case of water quality/mechanical emergency), and workdays in excess of eight hours. The employee must also be able to work weekends on a rotating schedule.

Our teams operate with utmost persistence. We are tackling the world's most difficult and important problems, and we are unwavering in our motivation to find a solution. At our core, we are innovators driven to do "more good" rather than "less bad" in the world.

Running Tide is committed to building a diverse team, bringing as many possible perspectives to bear on the unprecedented challenges facing our planet. We are committed to building an inclusive environment where people of all backgrounds can come to do their best work.

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