CMB-S4 Jobs
Job Postings
Open opportunities for CMB-S4-related positions
This page is for advertising positions related to CMB research, e.g., postdocs, faculty, laboratory and technical positions. To post positions, send description and link to C. Reichardt.

Faculty position in Particle Astrophysics, Cosmology and Gravitational Waves at UC Riverside
Deadline: Feb 15, 2020
The Department of Physics and Astronomy at the University of California, Riverside ( invites highly qualified experimental physicists to apply for an Academic-year tenure-track or tenured faculty position in the fields of Particle Astrophysics, Cosmology and Gravitational Waves. Four new experimental physics positions in these emerging areas of physics, including one at mid-level, are expected over the next few years.

Candidates should possess a record of demonstrated excellence in research. The successful candidate is expected to establish an outstanding and well-funded research program involving graduate students and postdoctoral scientists, and to contribute to departmental teaching at all levels. We are initiating a new experimental group at UC Riverside to augment and complement ongoing efforts in particle physics and astronomy. We are seeking independent researchers, who will build significant on-campus research efforts involving undergraduates, graduate students and postdocs on the forefront experimental programs in this general area of physics. We anticipate that individual hires may work together or on different experimental projects. We seek individuals with strong academic promise, who can build significant research efforts at UCR in forefront areas that will complement existing programs in our department.Learn more

Postdoctoral researcher in Cosmology at U. Geneva
Jan 15, 2020
We invite applications for a postdoctoral position in cosmology at the University of Geneva, starting in Fall 2020 or earlier. The successful candidate will primarily work with Dr. Julien Carron who will join the the Cosmology and Astroparticle physics group in 2020.

A completed, or near to completion, PhD in Physics, Cosmology, Astrophysics, Astronomy or similar area is required. The position is initially for two years, and funded by a SNSF grant associated to Dr. Carron with main focus Cosmic Microwave Background lensing data analysis for current and upcoming experiments. The Cosmology and Astroparticle physics group is also strongly involved in galaxy clustering, weak gravitational lensing, gravitational waves, dark energy, and modified gravity (see and broad collaboration is encouraged.Learn more and apply

Postdocs in theoretical astroparticle physics, cosmology and particle physics at RWTH Aachen
Deadline: Dec 17, 2019
The Institute for Theoretical Particle Physics and Cosmology (TTK) at RWTH Aachen University invites applications for several postdoctoral positions in theoretical astroparticle physics, cosmology and particle physics (at the salary level E13 TVL). The appointments are initially for two years starting in fall 2020, and may be extended subject to performance and availability of funding.

The postdoctoral positions will be affiliated with the research groups of Prof. Robert Harlander, Prof. Michael Krämer, Prof. Julien Lesgourgues and Prof. Philipp Mertsch. Applicants should have acquired solid international-level skills in at least one of the following topics:
for astroparticle physics: cosmic ray acceleration and transport, radiation modelling of non-thermal sources, galactic diffuse emission in microwaves and gamma-rays, dark matter indirect searches, high-energy neutrino astrophysics;
for cosmology: physics of the early universe, CMB physics, large scale structure (galaxy correlations, lensing, 21cm), particle cosmology, numerical cosmology, parameter inference, future surveys (e.g. Euclid, SKA, CORE,...);
for particle physics: precision calculations in quantum field theory, effective field theories, Higgs physics, physics beyond the Standard Model, dark matter model building and phenomenology.Learn more

Computer Systems Engineer at LBNL
Open until filled
Berkeley Lab’s Computational Research Division has an opening for a Computer Systems Engineer. This position will support the development and deployment of high performance computing frameworks, pipelines, and modules required for the synthesis and reduction of data from next-generation Cosmic Microwave Background experiments, with a particular focus on using the TOAST-based software stack for CMB-S4 at the National Energy Research Scientific Computing Center (NERSC).

What You Will Do:
Maintain an optimized installation of the TOAST software stack on current and pending NERSC systems and environments.
Manage the continuous integration of the TOAST software stack.
Benchmark standard pipelines and identifying performance bottlenecks.
Work with CMB-S4 users to help trouble-shoot software installation and performance issues.
Support the transition of the software stack to GPU-based systems such as NERSC’s Perlmutter.Learn more and apply

Postdoctoral Fellow in Cosmology - CMB at LBNL
Deadline: Dec 16, 2019
Berkeley Lab’s Physics Division has an opening for a Postdoctoral Fellow to work on data analysis and/or instrumentation for Cosmic Microwave Background experiments.Learn more and apply

Exploration Fellowship at Arizona State Univ.
Deadline: Dec 15, 2019
The mission of the Exploration Fellowships is to foster a leading, interdisciplinary postdoctoral fellowship program in the School of Earth and Space Exploration at ASU by attracting and supporting outstanding early-career scientists. Research areas within the School encompass theoretical and observational astronomy, cosmology, astrobiology, earth sciences, climate science, planetary sciences, exploration systems engineering, astronomical instrumentation, and science education. Applicants whose dissertation research was in any of these research areas, and especially those with aspirations to extend their portfolios in an interdisciplinary way, are encouraged to applyLearn more

Postdoctoral Research Scholar in Theory and Data Analysis for Cosmology at Arizona State U.
Deadline: Dec 15, 2019
The School of Earth and Space Exploration (SESE) at Arizona State University invites applications for one postdoctoral research scholar position to work in collaboration with Alexander van Engelen on aspects of analysis for upcoming cosmological datasets, as well as theoretical modelling, with a focus on the cosmic microwave background.

Desired qualifications include an interest in performing analysis of current and upcoming surveys of the mm-wave sky including the Atacama Cosmology Telescope, the Simons Observatory. Interest in theoretical modelling for these surveys and other related surveys.Learn more

Research Associate positions in CMB Cosmology at Cardiff
Deadline: Dec 8, 2019
We invite applications for two postdoctoral research positions in cosmology at Cardiff University within the ERC-funded group led by Professor Erminia Calabrese. The successful applicants will join the Astronomy Instrumentation and the Astronomy and Astrophysics groups of the Cardiff School of Physics and Astronomy.

The positions are advertised for work on characterization and interpretation of CMB data from the Atacama Cosmology Telescope and the Simons Observatory, their combination with LSST and Euclid, and design of LiteBIRD. Candidates should have demonstrated expertise in CMB cosmology.Learn more

Postdoctoral position in theoretical cosmology at USC
Deadline: Dec 15, 2019
The Department of Physics and Astronomy at the University of Southern California (USC) invites applications for a postdoctoral position in theoretical cosmology, with a start date in the fall of 2020 or before.

We seek a highly motivated applicant who has obtained, or is about to obtain, a Ph.D. in physics, astrophysics, or a related field. Research experience at the intersection of fundamental theory and cosmological data analysis, and familiarity with numerical simulations, inference, forward modeling, or astroparticle physics is highly valued, though not required. The successful applicant will work in collaboration with Prof. Vera Gluscevic and will have opportunities to engage with the Simons Observatory and CMB-S4 collaborations, and to collaborate with scientists at Carnegie Observatories in Pasadena and with other groups at USC. The postdoctoral researcher will have access to computational resources via the Center for High-Performance Computing at USC ( more and apply

Horizon Fellowship at John Hopkins
Deadline: Jan 1
The Johns Hopkins University is launching a new Center for Gravitation and Cosmology in the Department of Physics and Astronomy and invites applications for its inaugural “Horizon Fellowships” to begin in the fall of 2020. Horizon Fellows are expected to carry out an exciting, independent program of original research in the areas of Gravitation and/or Cosmology, which may be theoretical, observational or experimental in nature. Collaboration with Johns Hopkins faculty is highly anticipated among their areas of expertise in Observational Cosmology, CMB studies, Black Hole Physics, Dark Matter, Early Universe, Galaxy Evolution, Gravitational Waves, and tests of Lambda CDM. The Department of Physics and Astronomy, the adjacent Space Telescope Science Institute, and the nearby NASA Goddard Space Flight Center and the Johns Hopkins Applied Physics Lab offer one of the most vibrant and diverse environments in the world to conduct this research. We have strong collaborations with, and leadership in cutting-edge facilities such as Subaru-PFS, Euclid, WFIRST, CLASS, and the Maryland Advanced Research Computing Center (MARCC).Learn more

Postdoctoral fellowships at McGill
Deadline: Dec 3
McGill University is offering postdoctoral fellowships in astrophysics ( and at the mcgill space institute (

Fellows may work within any of the teams at McGill including Matt Dobbs' group, which has opportunities within the South Pole Telescope, Polarbear, LiteBIRD (now funded for Phase 0 development in Canada) as well as the radio projects CHIME, CHIME-FRB, and CHORD.

(The same application and letters may be used for all applications if you wish.)

Postdoctoral Research Associate or Senior Research Associate in Cosmology at Cambridge
Deadline: Dec 6, 2019
We invite applications for a postdoctoral position in cosmology at the University of Cambridge. This ERC-funded position will be based at the Department of Applied Mathematics and Theoretical Physics and the Kavli Institute for Cosmology, Cambridge.

Candidates should be qualified to undertake research in the areas of CMB, large-scale structure, cosmological tests of fundamental physics, or other areas of cosmology. While the main selection criterion is research excellence and strong researchers in any area of cosmology will be seriously considered, candidates interested in collaborating with Dr Blake Sherwin to work on CMB gravitational lensing, CMB polarization, large-scale structure or combined probes (potentially within the ACT, POLARBEAR, Simons Observatory, and/or CMB-S4 collaborations) may be of particular interest.Learn more and apply

Postdoc on Ultra-sensitive Far-IR Bolometers at JPL
We are seeking a postdoctoral researcher to lead the demonstration of the world's most sensitive far-IR detectors. We are building transition-edge sensor (TES) arrays with per-pixel noise equivalent power of 10^-19 W/sqrt(Hz) in the JPL micro devices lab (MDL) in preparation for space-borne astrophysics missions including SPICA and the Origins Space Telescope. We are characterizing the prototype TES arrays electrically and optically in our dilution-cooled test facility using a frequency-domain multiplexing readout. The postdoc will work closely with our dynamic group of scientists, technologists and engineers in Pasadena, as well as our collaborators at SRON, Holland. Key people in the JPL detector group include Drs. Matt Kenyon, Pierre Echternach, and Roger O'Brient. For qualified and interested candidates, opportunities also exist for collaboration on ongoing and proposed ground-based and balloon-borne instruments targeting the early Universe. Experiments include SuperSpec (a millimeter-wave spectrometer on a chip slated for the large millimeter telescope targeting individual high-redshift galaxies ), TIME (a mm-wave tomographic intensity mapper targeting ionized carbon fro the Reionzation epoch), and TIM ((formerly STARFIRE), a proposed balloon-borne far-IR imaging spectrometer targeting the history of star formation when the Universe was half its current age). Dr. Matt Bradford will serve as the postdoctoral advisor. The appointee will carry out research in collaboration with the JPL advisor and others, resulting in publications in the open literature.Learn more

CMB Analysis Postdoc at Columbia
Deadline: Dec 15, 2019
Columbia University invites applications for a Postdoctoral Research Scientist position in the Columbia Astrophysics Laboratory to perform research in Physical Cosmology. The successful candidate will join the cosmology group led by Professor Colin Hill in the Physics Department. They will be expected to contribute to ongoing cosmic microwave background (CMB) analysis work in the Atacama Cosmology Telescope and Simons Observatory collaborations. They will have the opportunity to collaborate on research in other areas of cosmology with faculty in CAL and the high-energy theory group.

Questions regarding this position can be addressed to Professor Hill at more

Postdoctoral researchers in experimental cosmology at Argonne
The High Energy Physics Division at Argonne National Laboratory invites applications for postdoctoral research positions in the Experimental Cosmology group. Members of our group study the cosmic microwave background as participants in the South Pole Telescope (SPT, and CMB-S4 ( collaborations. Successful applicants will have opportunities for cosmological analysis of data from the SPT-3G receiver as well as in technology development for CMB-S4. They will have access to multiple test and fabrication facilities at Argonne, the latter involving close collaboration with the Materials Science Division and the Center for Nanoscale Materials. Opportunities also exist to collaborate closely with the Cosmological Physics and Advanced Computing group as well as groups at Fermilab and the University of Chicago.Learn more (Job ID #407093)

Postdoctoral Position in CMB Theory, Analysis, and/or Instrument Design at Stony Brook University
Deadline Dec. 15, 2019
We invite applications for a postdoctoral position in the field of theoretical/observational cosmology to be based in the Physics and Astronomy Department at Stony Brook University.

The successful applicant will work in collaboration with Prof. Neelima Sehgal and will interact with the rest of the physics and astrophysics community at Stony Brook University. The postdoctoral scholar will be expected to carry out research broadly related to probing fundamental physics with cosmological data. The postdoctoral scholar, if he/she chooses, may in particular work on CMB data analysis for AdvACT or the Simons Observatory, or on CMB theory or instrumentation concept development for CMB-HD.Learn more and apply