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Postdoctoral Research Associate I, Ecology & Evolutionary Biology (Multiple Positions)

University of Arizona
life insurance, sick time
United States, Arizona, Tucson
Nov 19, 2025
Postdoctoral Research Associate I, Ecology & Evolutionary Biology (Multiple Positions)
Posting Number req24493
Department Ecology & Evolutionary Biology
Department Website Link www.petrullolab.com
Location Main Campus
Address Tucson, AZ USA
Position Highlights

The Petrullo Lab within the Department of Ecology & Evolutionary Biology invites two Postdoctoral Researchers to join our NIH-funded study of the relationship between stress physiology and the gut microbiome in wild rodents. The overarching goal of this project are to use field-based experimental manipulations in wild animals to elucidate connections between ecological stimuli of the host HPA axis (e.g., population density, food availability) and downstream changes in gut microbiome communities. Other goals include: 1) identify precise microbial traits that respond to activation of the host HPA axis, including changes in microbe-microbe interactions, 2) investigate immune mechanisms mediating host-microbe responses, and 3) begin linking these mechanisms to host health and fitness outcomes.

The Postdoctoral Researchers will be involved in field work, wet lab work, bioinformatics, and other project management roles related to this work. They will also have the opportunity to develop their own independent research questions and projects using these and other data related to host-microbe interactions within an ecological and evolutionary context.

Outstanding U of A benefits include health, dental, vision, and life insurance; paid vacation, sick leave, and holidays; U of A/ASU/NAU tuition reduction for the employee and qualified family members; access to U of A recreation and cultural activities; and more!

The University of Arizona has been recognized for our innovative work-life programs. For more information about working at the University of Arizona and relocations services, please click here.

Duties & Responsibilities
  • Writing and submission of manuscripts.
  • Participation in ongoing research projects.
  • Organizing and performing relevant wet lab work including microbial DNA extractions, hormone and immune assays.
  • Development and execution of bioinformatic pipelines to analyze microbiome data.
  • Fieldwork including the trapping and handling of small mammals.

Knowledge, Skills, and Abilities:

  • Enthusiasm for joining a fast-growing and multi-disciplinary lab.
  • Excellent leadership, communication, and collaborative skills.
Minimum Qualifications
  • Ph.D. in Biology, Ecology, or related field.
Preferred Qualifications

  • Demonstrated record of publications in related areas.
  • Prior fieldwork experience, especially working with small mammals.
  • Research/professional experience with bioinformatic approaches relevant to microbiome analyses.

FLSA Exempt
Full Time/Part Time Full Time
Number of Hours Worked per Week 40
Job FTE 1.0
Work Calendar Fiscal
Job Category Research
Benefits Eligible Yes - Full Benefits
Rate of Pay NIH Salary Guidelines, Depends on Experience
Compensation Type salary at 1.0 full-time equivalency (FTE)
Type of criminal background check required: Name-based criminal background check (non-security sensitive)
Number of Vacancies 2
Target Hire Date
Expected End Date
Contact Information for Candidates Dr. Lauren Petrullo

Assistant Professor, Ecology and Evolutionary Biology

laurenpetrullo@arizona.edu
Open Date 11/18/2025
Open Until Filled Yes
Documents Needed to Apply Curriculum Vitae (CV) and Cover Letter
Special Instructions to Applicant
Notice of Availability of the Annual Security and Fire Safety Report In compliance with the Jeanne Clery Disclosure of Campus Security Policy and Campus Crime Statistics Act (Clery Act), each year the University of Arizona releases an Annual Security Report (ASR) for each of the University's campuses.Thesereports disclose information including Clery crime statistics for the previous three calendar years and policies, procedures, and programs the University uses to keep students and employees safe, including how to report crimes or other emergencies and resources for crime victims. As a campus with residential housing facilities, the Main Campus ASR also includes a combined Annual Fire Safety report with information on fire statistics and fire safety systems, policies, and procedures.
Paper copies of the Reports can be obtained by contacting the University Compliance Office at cleryact@arizona.edu.
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