Several opportunities are currently available in the Sewall Lab at Temple University.  These include:

  • An open position for Geographic Information Systems (GIS) Manager
  • An open postdoc position in Quantitative Ecology and Conservation Biology
  • Opportunities for Prospective Graduate Students interested in the Sewall Lab at Temple University
  • Opportunities for Undergraduate Students interested in the Sewall Lab at Temple University
  • Opportunities for other Prospective Postdoctoral Researchers interested in the Sewall Lab at Temple University

Please scroll down to learn more.




Geographic Information Systems (GIS) Manager, Temple University


Summary of the Position

A Geographic Information Systems (GIS) Manager position is now available through the Department of Biology in the College of Science and Technology at Temple University.  The Manager will obtain, manage, and make accessible a wide array of spatial datasets to support range and training facility design and management for use by the Pennsylvania Army National Guard while adhering to National Guard Bureau standards and methodologies.  The GIS Manager provides Sustainable Range Program Geographic Information Systems (GIS) Coordinator support for the Sustainable Range Program, Integrated Training Area Management program and range operations at Fort Indiantown Gap National Guard Training Center in Annville, Pennsylvania.


Essential functions of the position

The successful candidate:

  • Procures, edits, models, maintains, and manages facility and land-based geographical information for Pennsylvania Army National Guard to include data entry of mapping, modeling, and information on GIS.
  • Ensures military training facility management of geographical and CADD data meet National Guard Bureau and Spatial Data Standards for Facilities, Infrastructure, and Environment standards.
  • Ensures that enterprise GIS database quality control and security safeguards are maintained.
  • Researches information needed from various sources (surveys, aerial photographs, Property Appraiser data, plans, Department of Transportation maps, County maps, record drawings, and as-built drawings).
  • Interprets field notes, sketches, and instructions from surveyors, the FTIG Range Program and Range and Training Land Assessment crews, and engineers.
  • Manipulates and manages CADD files in GIS software.
  • Provides supporting information, recommendations, and mapping services explicitly in support of the Range Program Manager for use in the Range Complex Master Plan and planning process, and in the development of the final products submitted with the Range Complex Master Plan.
  • Gathers and processes Global Positioning Satellite System (GPS) field data, digital map data file production and map printing to include acquiring data in the field using GPS equipment.
  • Responds to military, federal, and state information inquiries by accessing and generating data from the spatial database.
  • Manages the Pennsylvania Department of Military and Veterans Affairs GIS server in a versioned geodatabase environment
  • Performs analyses of geospatial, imagery, and other data for vegetation management, range modernization and development, land use documentation, and soldier safety.
  • Writes project and procedure documentation.
  • Prepares and presents briefings.
  • May supervise other professional staff and/or administrative employees.
  • Other responsibilities may include budgeting, staff training and supervision of subordinates and interns.
  • Performs other related duties as required.


Required Education and Experience

Bachelor’s degree in Geography or Geographic Information Systems and at least three years of directly related experience. An equivalent combination of education and experience may be considered.


Preferred Experience

  • Prior experience working in or with the military, especially Range Operations


Required Skills & Abilities

  • Excellent interpersonal and organizational skills.
  • Ability to interact with a diverse group of colleagues.
  • Expertise in Geographic Information Systems.


Salary and Benefits

Temple University offers competitive salary and benefits packages.  Starting salary will be commensurate with education and experience.



The GIS Manager will be based at the Fort Indiantown Gap National Guard Training Center (https://www.ftig.ng.mil/), located near Annville, in southeastern Pennsylvania.  This center is about 100 miles northwest of Philadelphia, and about 22 miles northeast of Harrisburg, Pennsylvania.  The installation trains personnel from all branches of the United States Armed Forces, and is the busiest National Guard training center in the United States.  The installation includes 6920 hectares (17,100 acres) of training facilities, rangeland, forests, and grasslands.


Temple University

The Department of Biology has distinguished history of research and education, and currently has over 30-full-­time faculty supporting millions of dollars in externally funded research per year.  It is our intention to find a colleague who will expand this research diversity and who wishes to work closely and collaboratively to build on the department’s success.

Temple University’s College of Science & Technology offers nearly 30 majors across six departments: Biology, Chemistry, Computer & Information Sciences, Earth & Environmental Science, Mathematics and Physics. The College of Science and Technology (CST) is your path to technology or science careers that soar, from ending global warming and saving endangered species to using advanced data mining to improve human health and wellbeing. The College of Science & Technology is committed to building a diverse, vibrant educational community grounded in appreciation for others, open-mindedness and respect.

Since its founding, Temple University has been committed to challenging the status quo. Today, we are an international powerhouse and a top-tier research institution with nearly 40,000 undergraduate, graduate and professional students, and more than 340,000 alumni worldwide.



For questions, please contact both Dr. Brent Sewall (bjsewall@temple.edu) and Dave Walton (c-dwalton@pa.gov).  Please write “GIS position search” in the subject line.



To apply, please visit the Temple University Careers website (https://careers.temple.edu/careers-temple/search-and-apply-jobs).  Click on Search-and-Apply-for-Jobs -> Staff/External Candidate ->  then search for job number 21003122.  The position title is “Manager Technical Support – CST”.


Applications will be reviewed on a rolling basis until the position is filled.




Postdoctoral research position available – Quantitative Ecology and Conservation Biology


Position description:

A postdoctoral research position is available through the Sewall Lab in the Department of Biology at Temple University, a large public research university in Philadelphia, Pennsylvania.  The research will focus on understanding ecological communities and evaluating critical and emerging threats to biodiversity.  The postdoctoral researcher will assist with statistical analysis and modeling for ongoing studies of population change in species of conservation concern, understanding mutualistic and host-parasite interactions within ecological communities, understanding emerging infectious diseases of wildlife, and evaluating the effects of land management on biodiversity in working landscapes.  The researcher will analyze existing data on a variety of taxa, including bats, primates, birds, butterflies, trees, annual and perennial plants, wildlife pathogens, invasive insects, and interactions among these taxa. Opportunities are also available for research into other topics that are of mutual interest to the postdoctoral researcher and the PI.  Opportunities are also available for student mentoring.  Additional information on the Sewall Lab can be found at https://sites.temple.edu/bjsewall .


The start date is flexible.  The position will be a full-time position initially for one year, with opportunity for renewal for one or more additional years, dependent on satisfactory progress and funding availability.  Competitive salary and benefits will be provided; for more details, see https://grad.temple.edu/postdoctoral-affairs/salary-schedule .


Qualifications – required

Required qualifications are:

  • Doctoral degree in statistics, ecology, conservation biology, or related field
  • Broad expertise in statistical analysis and modeling
  • Expertise in population and community ecology, disease ecology, entomology, or conservation biology
  • Experience with one or more of the following: analysis of population monitoring data, bipartite network analysis, analysis of community data, statistical modeling
  • Experience publishing research in peer-reviewed journals
  • Ability to establish a close, positive, and productive working relationship with the PI and teams of faculty, students, and land management professionals
  • Ability to progress independently and efficiently while maintaining clear communication with the PI and other team members


It is preferred that the applicant has:

  • Expertise with Geographic Information Systems (GIS)
  • Previous field research experience
  • Experience working with, or familiarity with the natural history or ecology of one or more of the taxonomic groups listed above
  • Experience working with, or familiarity with seed dispersal, pollination, or host-pathogen interactions
  • Experience mentoring undergraduate or graduate students



To apply, please send:

  • a cover letter describing your interest in and qualifications for this position along with dates of availability,
  • a current curriculum vitae (cv),
  • pdfs of one or more relevant publications, and (if these are multi-author publications) a description of your contribution to the work, and
  • contact information for 3 references familiar with your qualifications


Application materials should be sent to Dr. Brent Sewall by email at bjsewall@temple.edu.  Please write “Postdoctoral researcher – Quantitative Ecology and Conservation Biology” in the subject line.  Review of applications will proceed on a rolling basis and will continue until the position is filled.





Graduate Students in the Sewall Lab at Temple University
Opportunities are available in the lab for motivated prospective students whose interests align with one of the principal research areas of the lab.  Our department is expanding, and with the addition of several dynamic new faculty, we are building our programs in the areas of ecology and evolution.  We offer both MS and Ph.D. degrees in the department.  Funding is often available through TAships and sometimes RAships, though mostly for Ph.D. students.  Graduate students working in the lab will also be expected to apply for external research and fellowship funding.  Graduate students interested in working with Dr. Sewall should contact him in advance of applying to graduate school at Temple.  Please send along a description of research interests, past research and experience, and – for students interested in working internationally – a summary of past travel or work experience and language skills relevant to the area in which you would like to work.  Dr. Sewall prefers applicants with substantial previous research experience.  For those wishing to do international field research, substantial international experience and language skills appropriate to the desired research area are required.  Also please keep in mind that our department’s application deadline for fall-entry students is December 15th (or November 15 for international students).  Be sure to note Dr. Sewall’s name on your cover letter and/or research statement when you apply.

Undergraduate Students in the Sewall Lab at Temple University
Opportunities are sometimes available for Temple undergraduate students to participate in research activities in the lab, especially for students who have completed and done well in related classes (Intro Bio Series, Principles of Ecology, Animal behavior, Conservation biology, GIS, Statistics, or advanced Mathematics classes); who are highly motivated to do research; who can dedicate more than one semester of part-time work in the lab; and whose interests align with those of the lab.  Any student can apply, though Dr. Sewall prefers to work with new students as part of formal programs such as the College of Science and Technology’s Undergraduate Research Program, the Temple Diamond Research Scholars Program, the Biology Honors Research Program, or as an Honors Scholars Project.  Interested students can contact Dr. Sewall.

Other Postdoctoral Positions in the Sewall Lab at Temple University

Postdoctoral fellow positions are sometimes available as funding permits.  Please inquire about current opportunities.  Dr. Sewall is also open to collaborating with potential postdocs and other collaborators to raise funds for projects of mutual interest.  Please contact him if interested.