Children's National Heart Institute, Children’s National Health System

Staff Scientist / Postdoctoral fellow / Research Technician

Children's National

Washington, DC, United States

Positions are available in the laboratory of Dr. Nikki Posnack at Children’s National Health System (Washington DC, USA) within the Heart Institute and Sheikh Zayed Institute ( New lab members will participate in our NIH-funded translational research project to investigate the impact of plasticizers, chemicals used in plastic medical devices, on cardiovascular health. 

Individuals who are scientifically curious, motivated and collaborative are encouraged to apply. Candidates should have educational training in physiology, biomedical engineering, optics, electrical engineering, cell biology or other relevant field. Though not required, applicants should note any previous experience with cardiac electrophysiology, optics, image and signal processing, fluorescence imaging, microscopy, voltage/calcium imaging, radiotelemetry, animal surgery or cardiovascular models. 

Job title commensurate with experience (Staff Scientist, Postdoctoral Fellow, Research Technician). Applicants can apply directly online by uploading a resume and indicating the position of interest in their cover letter: Alternatively, applicants may also forward a CV and cover letter directly to Dr. Posnack ( Applications will be reviewed on a rolling basis.


Research trainees assist faculty in the conduct of research and reports to a principal investigator or CRI Center Director. Can serve in several roles in the laboratory setting depending on the scientific specialty and needs of the research project supported. Participates directly in the design and conduct of experiments and therefore needs technical knowledge and subject matter expertise encompassing several disciplines such as molecular and cellular biology, biomedical engineering, physiology or animal science. Based on experience individuals may train technical staff, graduate students and others in laboratory procedures may provide general supervision in the laboratory and assists with data management and analysis. In addition, individuals will be responsible for assisting the principal investigator in the planning and execution research projects, grant applications and publications. May further assist in the management of resource allocations, and may manage day-to-day activities in the laboratory, such as purchasing, oversight of laboratory animals, and biosafety issues. May guide or lead the work of peers, technicians or other diverse support staff as necessary to achieve specific assignments or complete large and complex projects.


Primary Location: District of Columbia-Washington

Work Locations: Sheikh Zayed Campus 111 Michigan Avenue  Washington 20010


Responsible Conduct of Research

1. Consistently demonstrate adherence with the standards for the responsible conduct of research.

2. Responsible for appropriate use of research funds.

3. Comply with all annual job-related training requirements.

Commitment to Research

1. Conduct research of significant scientific value in the basic and/or translational science area(s) relevant to his/her practice specialty.

2. Participate in reviewing manuscripts for peer-reviewed journals.

3. Publish in peer-reviewed, scientific, quality and management journals.

4. Submit applications for grants or contracts for funding of research projects.

5. Participate in research committees, workshop special interest groups.


1. Collaborate effectively with CRI researchers, external agencies and institutions to develop cooperative research initiatives, promotes free discussion, research progress, skills productivity and morale with internal and external colleagues and stakeholders.


1. Demonstrate collaborative and respectful behavior

2. Partner with all team members to achieve goals

3. Receptive to others’ ideas and opinions


Performance Improvement/Problem-solving

1. Contribute to a positive work environment

2. Demonstrate flexibility and willingness to change

3. Identify opportunities to improve clinical and administrative processes

4. Make appropriate decisions, using sound judgment


Cost Management/Financial Responsibility

1. Use resources efficiently

2. Search for less costly ways of doing things



1. Speak up when team members appear to exhibit unsafe behavior or performance

2. Continuously validate and verify information needed for decision making or documentation

3. Stop in the face of uncertainty and takes time to resolve the situation

4. Demonstrate accurate, clear and timely verbal and written communication

5. Actively promote safety for patients, families, visitors and co-workers

6. Attend carefully to important details – practicing Stop, Think, Act and Review in order to self-check behavior and performance


Apply with CV and Cover Letter

Must be a .doc, .docx, or .pdf file and no larger than 1MBMust be a .doc, .docx, or .pdf file and no larger than 1MB

Staff Scientist / Postdoctoral fellow / Research Technician