2025-1 Recruitment Announcement for Senior Researcher Positions at the CTPU-PTC (Particle Theory and Cosmology)

The Particle Theory and Cosmology Group at the Center for Theoretical Physics of the Universe (CTPU-PTC), Institute for Basic Science (IBS) in South Korea, invites applications for a senior researcher position. The successful candidate will join an AI+HEP working group led by Sung Hak Lim, conducting research in the interdisciplinary field of artificial intelligence and high energy physics. We have a strong interest in combining physics knowledge with advanced machine learning techniques to accelerate research in beyond the standard model and dark matter physics.

This year, we are particularly interested in candidates with experience in one of the following fields, but are not limited to

• * Galactic Archaeology / Milky Way / Dwarf Galaxies / Stellar Streams / N-body Simulations
• * Collider Physics / Jet Physics / Monte Carlo Simulations
• * Other machine learning applications to high energy physics and astrophysics

Qualifications

• * Ph.D. in Physics or related fields. (Must be obtained by the appointment start date)
• * Strong interest in the interdisciplinary field of artificial intelligence and high energy physics.
• * Research experience with machine learning techniques
• * Good English communication skills.

Position Details

• * Start date: any time before December 16th, 2025.
• * Initial appointments will be for 2 years, with the possibility of a 1-year extension, subject to performance review and funding availability.
• * The official language at the center is English.
• * The selected candidate is also encouraged to collaborate with other CTPU-PTC members (faculties: Kiwoon Choi, Sanghyeon Chang, Jai-chan Hwang, Sang Hui Im, Tae Hyun Jung, and Seokhoon Yun; Young Scientist Fellow: Miok Park; and other researchers) as well as neighboring IBS centers.

Applications should include curriculum vitae, publication list, research statement, and at least three letters of recommendation. In addition, you should complete and submit a personal information consent form (http://www.ibs.re.kr/prog/recurit/....IBS Job Board link). For full consideration, application materials including letters should be submitted to Academic Jobs Online () by April 21, 2025 midnight (KST)

IBS is a national lab in South Korea that focuses on fundamental sciences research. IBS consists of 31 research centers, and CTPU-PTC is a theoretical physics research center that carries out research on particle physics and cosmology, which aims to understand nature at the most fundamental level and answer the big questions about the origin of the universe.

Our center is located at the main headquarters of IBS in Daejeon, which is a metropolitan city focusing on science and research. Daejeon is well connected to other major cities in South Korea, including Seoul, which is an hour away by the high-speed train KTX. CTPU is building a diverse environment of scientists; about half of our scientists are from outside Korea, and we strongly encourage female and international applicants.

Please check more detailed information on our websites

• * CTPU-PTC (https://www.ibs.re.kr/ctpu/)
• * IBS (https://www.ibs.re.kr)

For inquiries regarding this position, please contact: Sung Hak Lim (sunghak.lim@ibs.re.kr)

□ Overview

Overview

Affiliation (workplace)	Job Category	Recruitment Area	Required Qualifications	No. of Openings
CTPU-PTC (Daejeon, HQ)	Senior Researcher	Theoretical High Energy Physics, Cosmology & Astroparticle Physics	- Degree: Doctoral degree degree (must be obtained by December 16th, 2025 and a certificate must be submitted before actual appointment date) - Major: Physics Preferences: Research experience in theoretical high energy physics and cosmology with machine learning techniques	1

〇 Research Position Job Description
- (Senior Researcher) Research-oriented personnel with a Ph.D., Initial employment may be renewed only once. The total length of the contract cannot exceed 5 years.

※ Note: In case of the Center’s closure during employment, the employment contract will be terminated accordingly.

□ Qualifications

• [Required qualifications]
• ● Must be in compliance with the requirements for appointments as specified in Article 33 of the State Public Officials Act and IBS statutes.
• [Preferred qualifications]
• ● Individuals with disabilities as defined in Articles 3 and 4 of the Enforcement Decree of the Act on the Employment Promotion and Vocational Rehabilitation of Persons with Disabilities, or individuals eligible for employment assistance as defined in Article 29 of the Act on the Honorable Treatment of and Support for Persons, Etc. of Distinguished Service to the State (additional points will be given during the screening/evaluation process)
• ● Women in science, engineering and technology as defined in Article 2 of the Act on Fostering and Supporting Women Scientists and Technicians

□ Screening Process

Screening Process

Category	Date	Detail	Selection criteria	Required documents
Step 1 (Document Screening)	May 07 ~ May 14, 2025	Suitability for the position and for the field of work, excellence of the applicant’s research achievements, overall research activities, proposed research plan, etc.	Approximately 5 times the number of applicants than the number of vacancies will be selected for the interview in order of the highest scores with the minimum average score of 80.	CV, publication list, research statement, Consent form & Application for IBS(download on IBS job Board), at least three letters of recommendation
Step 2 (Interview Screening)	May 23~ May 30, 2025	Expertise in their field, attitude and communication skills, presentation skills, excellence of their research, development potential and prospect, etc.	Final candidates will be selected in order of the highest scores with the minimum average score of 80. ※ The procedure allows for a successful candidate and up to two additional waiting list candidates per opening in accordance with the scores	There can be additional required documents according to the situation at the center

※ The schedule may change according to the situation at IBS

□ Application Submission and Deadline

• 〇 How to apply: Submit the documents through Academic Jobs Online (https://academicjobsonline.org)
• 〇 Required documents
  : Blind hiring process will be implemented to reduce the risk of bias in the hiring decision and block out any and all identification details from candidate's resume and applications.
  • 1. CV
    - Submit a blinded CV with the following information removed: Name, Email, Website, Photo, Phone Number, Degree, and Work Experience Years.
    2. Publication list
    - Submit a blinded version, with the candidate's personal information and the authors' names removed.
    3. Research statement:
    - Submit a blinded version, with the candidate's personal information removed.
    4. Application for IBS
    - Download from the IBS Job Board and submit the completed form.
    * Using a different form will result in an incomplete application.
    5. Letters of Recommendation
    - Submit at least three letters, a blinded version (with the candidate’s Name, Degree Years and Work Experience Years removed).
    * Failure to submit any of documents mentioned above will result in an incomplete application.
    Deadline for application submission: April 21, 2025 (24:00) KST

□ Notes

• 〇 CTPU-PTC, IBS is an Equal Opportunity or Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, or protected veteran status. Any biased information will not be provided to committees at all.
• 〇 Applicants will be responsible for any consequences of making mistakes, missing information or not submitting required documentation in their applications. If any information is found to be incorrect or false, the job offer will be withdrawn.
• 〇 Submitted documents may be returned when a request is made within three months from the announcement of the final result in accordance with Article 4 of the Enforcement Decree of the Fair Hiring Procedure Act.
• 〇 If candidates are disqualified due to a background check or a physical examination result, the job offer will be withdrawn.
• 〇 If candidates are found to be former public officials dismissed for corruption as set forth in Article 82 of the Act on the Prevention of Corruption and the Establishment of the Anti-corruption and Civil Rights Commission, the job offer will be withdrawn.
• 〇 No applicants may be hired if there are no applicants deemed qualified during the screening process.
• 〇 If hired, the job category/grade and annual salary will be determined in accordance with IBS rules and regulations.
• 〇 Successful candidates are expected to start on 16^thof December 2025 at the latest.
• 〇 Workplace: CTPU-PTC, IBS HQ, Daejeon
• 〇 Inquiries: Recruiting Manager of CTPU-PTC (E-mail: ctpu_recruit@ibs.re.kr)