Assistant Marine Mammal Trainer
National Aquarium
 Baltimore, MD

Requisition Number: MARIN01576

General Purpose:

Responsible for assisting in the day-to-day care and training of marine mammals. Responsible for learning and applying operant conditioning techniques to maintain and train behaviors, as assigned. Responsible for preparing daily animal diets. Responsible for the cleanliness and safety of all animal and back-up areas. Regularly provides narrations in daily presentations and public interactions.

Essential Functions:

  • Assists in the daily husbandry and care of animal collections.
  • Prepares daily animal diets and dispenses vitamins/medications.
  • Assists in training behaviors with experienced trainers and maintaining behaviors within a team environment.
  • Develops skills in animal handling and application of operant conditioning to learn to train behaviors under supervision.
  • Interprets behavior during animal interactions and reacts in accordance with consistent training techniques.
  • Maintains all daily animal and related records.
  • Assists in the safe restraint of animals for husbandry procedures.
  • Participates in back-up and primary roles for formal and informal public presentations, including narrations.
  • Assists in daily animal observations.
  • Participates in providing daily enrichment.
  • Assists in area maintenance, including facility maintenance, dive cleaning and other projects as assigned.
  • Responsible for safety and cleanliness of exhibit areas, food preparation areas, storage area, lounge, and locker rooms.
  • Interacts directly with Aquarium visitors and guests in a professional manner.
  • Acts as a mentor for volunteers and interns.
  • Seeks guidance and feedback from coworkers or managers.
  • Completes assigned projects in a timely manner.
  • Adheres to all organizational and departmental policies and procedures.
  • Other duties as assigned or required.

Qualifications/Position Requirements:

  • Bachelor’s degree in marine biology, psychology, or related science preferred.
  • Open water SCUBA certification required.
  • Minimum of 3 months experience in animal care or training; preference for marine mammal experience.
  • Knowledge of marine mammal biology and natural history.
  • Knowledge of Operant Conditioning and training principles and the ability to apply them to an Aquarium setting.
  • Capacity to learn about animal husbandry and training techniques.
  • Able to observe for any signs of illness or injury, monitor eating patterns or any changes in behavior.
  • Capacity to absorb feedback from training staff and/or director.
  • Must be able to interact with other staff members in a professional manner with an emphasis on teamwork.
  • Proficient public speaker and able to communicate effectively with the visitors and staff.
  • Familiarity with computers and capacity to learn new programs, proficient in Microsoft Word and Excel.
  • Highly detailed oriented with good problem-solving skills.

The National Aquarium is committed to diversity and invites individuals who bring a diversity of culture, experience and ideas to apply.


Recently named one of Baltimore’s Best Places to Work, the National Aquarium opened in 1981 as a nonprofit aquatic education and conservation organization, the jewel of the city’s Inner Harbor redevelopment. SmartCEO Magazine honored the National Aquarium with the Healthiest Workplace award and the Corporate Culture award in 2016. With a mission to inspire conservation of the world’s aquatic treasures, the Aquarium is consistently ranked one of the nation’s two top aquariums and has hosted over 51 million guests since opening.

Today, the National Aquarium builds on a 40-year history of local, regional and global conservation initiatives that provide real solutions for protecting marine life, ecosystems and aquatic communities. Its Animal Rescue team has rescued, rehabilitated and released hundreds of marine mammals and endangered sea turtles throughout the Mid-Atlantic region. Its Animal Care and Welfare teams participate in important research efforts to confront pressing ocean conservation issues and advocate for smarter policies at local, state and federal levels. Through education, research, conservation action and advocacy, the National Aquarium is pursuing a vision to change the way humanity cares for our ocean planet.

HOW TO APPLY Interested and engaged applicants should apply through our website Requests for reasonable accommodation can be made by e-mailing