*MS Position in Environmental DNA (eDNA) Research at Castilla Lab, Oklahoma State University* The Castilla Lab (www.arcastilla.com) in the Department of Plant Biology, Ecology, and Evolution at Oklahoma State University invites applications for an MS position in an interdisciplinary research project, in collaboration with the United States Geological Survey (USGS), focused on using eDNA and remote sensing to monitor aquatic invasive plants in the Upper Mississippi River Basin. *Position Overview:* This MS opportunity offers hands-on experience with cutting-edge eDNA methods for detecting and monitoring invasive aquatic plants. The project is highly collaborative, involving partners at OSU's Departments of Integrative Biology and Geography, the University of Montana, and the USGS. *Key Responsibilities:* - Conduct fieldwork across the Upper Mississippi River Basin to collect eDNA samples. - Lead lab-based eDNA work and data analysis. - Collaborate with an interdisciplinary team in plant ecology, conservation genomics, and geography. - Contribute to publications and presentations for academic and public audiences. *Ideal Candidate:* - Prior experience with eDNA analysis is preferred; proficiency in laboratory techniques related to genetic analysis is required. - Comfortable conducting fieldwork in remote aquatic environments. - Strong interest in invasive species management, eDNA, and aquatic ecosystems. - Excellent teamwork and communication skills. *Start Date:* August 2025 *Application Instructions:* Interested applicants should send a single PDF containing the following documents to Dr. Antonio Castilla (arcastilla@okstate.edu): - A cover letter detailing relevant experience and alignment with career goals. - Curriculum Vitae (CV) - Contact information for 2 references *Application Review:* Applications will be reviewed starting December 11th. Antonio R. Castilla (Pronouns: he/him/el) Assistant Professor Oklahoma State University College of Arts and Sciences Department of Plant Biology, Ecology, and Evolution Website: www.arcastilla.com Twitter: https://twitter.com/AR_Castilla Antonio Castilla Alvarez (to subscribe/unsubscribe the EvolDir send mail to golding@mcmaster.ca)