Postdoctoral Fellow in Mathematics

Oak Ridge National Laboratory

Location: Oak Ridge, TN 37830

Requisition ID: 15395

Application Deadline: December 15, 2025 (full consideration)

Position Type: Full-time Postdoctoral Fellowship

Duration: 2 years

Overview

The Mathematics in Computation Section at ORNL invites applications for the Alston S. Householder Fellowship, supported by the U.S. Department of Energy's Office of Advanced Scientific Computing Research. This prestigious postdoctoral fellowship recognizes outstanding scholars in computational and applied mathematics and provides an opportunity to conduct high-impact, independent research.

The fellowship aims to honor Dr. Alston S. Householder, a pioneer in numerical analysis and former leader of ORNL’s Mathematics Division (now CSMD).

Areas of Interest

Candidates with expertise in one or more of the following domains are encouraged to apply:

• Computational & Applied Mathematics
• Scientific Computing and Algorithm Analysis
• High-Performance Computing
• Machine Learning & Artificial Intelligence
• Optimization, Numerical Analysis
• Data Science, Graph Algorithms, Quantum Information Science
• Simulation, Modeling, Uncertainty Quantification
• Probability, Statistics, and more

Key Responsibilities

• Conduct high-impact, self-directed research aligned with ORNL's mission.
• Collaborate with multidisciplinary teams on DOE-relevant computational challenges.
• Publish in top-tier journals and present at major conferences.
• Contribute to ORNL’s core values: Impact, Integrity, Teamwork, Safety, Service.

Eligibility Criteria

Required:

• Ph.D. in applied/computational mathematics, computer science, statistics, physics, engineering, etc.
• Ph.D. conferred between January 1, 2023 and August 2026.
• Research proposal with clear mathematical and computational relevance.
• No more than one prior postdoctoral appointment.

Preferred:

• Experience in interdisciplinary collaboration.
• Scientific computing and software development skills (e.g., C++, Python, MATLAB).
• Professional experience in national labs, industry, or research programs.
• Ability to obtain a national security clearance.

Application Materials

Combined into a single PDF:

1. Cover Letter
2. Curriculum Vitae
3. 3-5 Page Research Proposal (background, significance, and future work)

Letters of Reference:
Three letters sent directly to:
Householder-Fellowship-Applications@ornl.gov
Subject: "2026 Householder Fellowship"

How to Apply

Submit your application at:
www.jobs.ornl.gov
Include your complete application as a single PDF. Applications will be reviewed on a rolling basis, starting with those received by December 15, 2025.

Additional Information

• Citizenship: US citizenship not required.
• Relocation support, competitive salary, travel allowance provided.
• ORNL offers robust benefits: healthcare, retirement savings, flexible working, and educational assistance.
• Diversity, equity, and inclusion are central to ORNL’s mission.