Postdoc (f/m/d) Mechanical Characterization and Materials Assessment for Nuclear Applications / P...

Area of research:

Scientific / postdoctoral posts

Starting date:

01.11.2026

Job description: Postdoc (f/m/d) Mechanical Characterization and Materials Assessment for Nuclear Applications

With cutting-edge research in the fields of ENERGY, HEALTH and MATTER, around 1,500 employees from more than 70 nations at Helmholtz-Zentrum Dresden-Rossendorf (HZDR) are committed to mastering the great challenges facing society today.

The Institute for Resource Ecology (IRE) conducts applied basic research into the protection of people and the environment from the effects of radioactive radiation.

The Department of Structural Materials is looking for a Postdoc (f/m/d) Mechanical Characterization and Materials Assessment for Nuclear Applications.

Small specimen techniques have evolved from a pragmatic response to limited material availability into a methodological tool in their own right, one that enables higher statistical sampling within a given material condition, new specimen configurations, and direct access to materials that simply do not exist in conventional quantities. This makes them relevant to two central challenges in nuclear materials research: the reliable assessment of irradiation-induced property changes in operating installations and the systematic screening of new alloy concepts at early development stages where only small material volumes are available.

The Structural Materials Department has developed and operated such techniques for a number of years within national and European research programs, including fracture mechanics characterization using miniaturized specimen geometries and Small Punch Testing. The department is embedded in Euratom-funded consortia addressing both the long-term integrity of reactor pressure vessel steels and the qualification of candidate materials for advanced reactor concepts. Experimental work with neutron-irradiated material is carried out in hot cell facilities, infrastructure that only a small number of research groups worldwide can offer at this level.

This position brings these activities together and aims to advance them scientifically. We are looking for someone with genuine research drive who takes ownership of testing programs, thinks critically about methods, and builds the analytical frameworks needed to connect small specimen results to established fracture mechanics assessment approaches. A concrete starting point is existing work in the department on the systematic correlation of fractographic observations with microstructural features, aimed at understanding how neutron irradiation modifies fracture initiation behavior at the microstructural level and what this means for the interpretation of macromechanical test data. Numerical methods, in particular FEM-based stress analysis at initiation sites within the framework of local fracture approaches, provide a natural bridge between experiment and mechanistic understanding. Data-driven methods, for instance for inverse parameter identification or uncertainty quantification in fracture mechanics datasets, are not an end in themselves, but a compelling extension where they offer real scientific insight.

The position offers the scope to pursue these directions and the backing of an active international research network. The department is increasingly engaged in research programs on advanced reactor systems including fusion, a field where the demand for robust materials assessment methods is clearly growing.

Your tasks

# Coordination and scientific oversight of mechanical testing programs for nuclear structural materials - including fracture mechanics characterization, small specimen testing and tensile testing - within ongoing and upcoming collaborative projects
# Critical assessment and further development of small specimen methods with regard to their reliability and transferability to standard fracture mechanics parameters
# Systematic correlation of fractographic observations with microstructural features and macromechanical test results
# Finite element simulation of mechanical tests, in particular for stress analysis at fracture initiation sites in the context of local fracture approaches
# Documentation, analysis and publication of results in peer-reviewed journals and at international conferences

Your profile

# Completed PhD in Materials Science, Physics, Materials Engineering, Nuclear Engineering, or a related field
# Strong background in the mechanical behavior and fracture mechanics of metallic materials
# Experience with finite element modelling, in particular in the context of mechanical testing or local approaches to fracture, is an advantage
# Practical experience in mechanical testing, preferably fracture mechanics and/or small specimen techniques, is an advantage
# Interest in the methodological development and advancement of testing procedures
# Knowledge of nuclear structural materials is an advantage
# Experience in fractographic or microstructural characterization is an advantage
# Familiarity with scientific data analysis environments
# Sound knowledge of quantitative data analysis and statistical methods
# Interest in or initial experience with data-driven methods or machine learning is an advantage
# Strong communication skills and a collaborative approach to working with internal and external partners
# Independent, structured and solution-oriented way of working
# Initiative and genuine interest in shaping scientific questions, not just answering them
# Ability to work effectively in international research consortia
# Programming skills in Python and/or C/C++
# Excellent written and spoken English; German is an advantage

Our offer

# A vibrant research community in an open, diverse and international work environment
# Scientific excellence and extensive professional networking opportunities
# Salary and social benefits in accordance with the collective agreement for the public sector (TVöD-Bund) including 30 days of paid holiday leave, company pension scheme (VBL)
# Depending on the personal qualifications, the candidate may be classified in salary group 13 according to TVöD-Bund
# We support a good work-life balance with the possibility of part-time employment, mobile working and flexible working hours
# Numerous company health management offerings
# Employee discounts with well-known providers via the platform Corporate Benefits
# An employer subsidy for the "Deutschland-Ticket Jobticket"

We look forward to receiving your application documents (including cover letter, CV, diplomas/transcripts, etc.), which you can submit via our online-application-system.

This research center is part of the Helmholtz Association of German Research Centers. With more than 42,000 employees and an annual budget of over € 5 billion, the Helmholtz Association is Germany's largest scientific organisation.

Company

The Helmholtz Association contributes to solving major challenges to assure the future of our society. With more than 47.500 people on staff in 18 national Research Centers and an annual budget of more than 6 billion euros, the Helmholtz Association is Germany’s largest scientific organization. The name Helmholtz stands for concerted research, in which networks form the key principle behind inquiring thought and action.

The profile of the Helmholtz Association

The Helmholtz Association performs cutting-edge research which contributes substantially to solving the grand challenges of science, society and industry. To succeed in meeting these responsibilities, Helmholtz concentrates its work in six research fields: Energy, Earth and Environment, Health, Information, Matter, as well as Aeronautics, Space and Transport. Within each of these fields, research programs are developed by our scientists and regularly evaluated by renowned international experts. Their evaluation forms the basis for the program-oriented funding that is allocated to Helmholtz research. Within the six research fields, Helmholtz scientists cooperate with each other and with external partners – working across disciplinary, organizational and national borders.

Moreover, Helmholtz specializes in large-scale research infrastructures – from accelerator facilities, earth observation satellites, research ships to supercomputers. They form the basis for scientific advances in tackling global societal challenges. Managing national research infrastructure is part of the Helmholtz Association's mission.

Promoting young academics

Helmholtz scientists, a high-performance infrastructure and modern and efficient research management are the ingredients to the Helmholtz Association‘s success and global impact.
Promoting young researchers is a major priority for the Helmholtz Association. Its qualification schemes for young researchers are geared mainly towards PhD students, postdocs and young managers. The Helmholtz Association has set high standards for its talent management. Its strategy begins with targeted recruitment of highly qualified staff at all levels, followed by comprehensive support aimed at further developing their potential. Ensuring equal opportunities is an essential element in all talent management activities undertaken by the Helmholtz Association.

The Helmholtz Graduate Schools and Research Schools at almost all Helmholtz Centers provide doctoral students with the general and specific skills and training they need, as well as ample opportunity to network. The period following a doctorate is decisive in determining the direction and success of a scientific career. For this reason, we established Career Development Centers for postdoctoral researchers in the Helmholtz Centers. This equips young researchers with the skills they need to go on to head a Helmholtz Investigator Group , for example. As an Investigator Group leader, junior scientists can independently set up their own group to conduct research in their specialist field and acquire management skills.

Within its talent management strategy, the Helmholtz Association pays special attention to the increased recruitment of talented female scientists both from Germany and abroad. To this end, there are currently two funding programs supporting this policy: and Helmholtz Distinguished Professorship – Funding for the recruitment of leading international female scientists (W3) .

The increasing complexity of the content, structures and framework conditions of scientific work today requires researchers to organize their projects, their employees and, of course, themselves in a highly professional and effective way. In response to these demands, we have set up the Helmholtz Leadership Academy to provide leaders in science with professional management training. Furthermore, the Helmholtz network provides a platform for the alumni of the Helmholtz Leadership Academy to come together and share their experiences of leadership, career development and lifelong learning.

All of this combined makes the 18 Research Centers of the Helmholtz Association a highly attractive environment for talented researchers from all over the world.

Company info

Telephone

0049-30-206329-0

Location

Anna-Louisa-Karsch-Str. 2
Berlin
Berlin
10178
Germany