Argonne National Laboratory, established in 1946 and headquartered in Lemont, Illinois, is a U.S. Department of Energy multidisciplinary research center focusin
Postbaccalaureate Appointee - Magnetohydrodynamics
Location
Illinois
Posted
32 days ago
Salary
$28 - $44 / hour
Seniority
Senior
Job Description
Postbaccalaureate Appointee - Magnetohydrodynamics
Argonne National Laboratory
Title: Postbaccalaureate Appointee - Magnetohydrodynamics Location: IL-Lemont Part time Job requisition ID 422697 Job Description: T he Computational Science (CPS) division focuses on solving the most challenging scientific problems through advanced modeling and simulation on the most capable computers. The division aims to build lab-wide cross-cutting simulation application capabilities integrating with mathematics, computer science, domain science, and advanced computing architectures and facilities. The CPS division is seeking a Postbaccalaureate Appointee to join their team. This person will work to add magnetohydrodynamics (MHD) to the Hardware/Hybrid Accelerated Cosmology Code (HACC) framework. The research will include how an MHD capability is implemented in the context of the Conservative Reproducing Kernel Smoothed Particle Hydrodynamics (CRKSPH) method used in HACC. This effort will also include modeling of the effect of cosmic rays as a baryonic feedback mechanism and optimization of the distributed FFT used in HACC. Position Requirements Required skills: - Completed Bachelor's degree in computer science, physics, or equivalent - Comprehensive skills in programming languages such as C++, CUDA, and Python - Experience in developing HPC codes - Experience with the HACC code - Ability to model Argonne's core values of impact, safety, respect, integrity and teamwork Desired skills: - Experience with multiple computing platforms - Experience with AI techniques Job Family Temporary Job Profile Postbaccalaureate Appointee NE Worker Type Long-Term (Fixed Term) Time Type Part time The expected hiring range for this position is $28.20-$44.36. Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such as, but not limited to, the scope and responsibilities of the position, the qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs. Additionally, comprehensive benefits are part of the total rewards package. As an equal employment opportunity employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. Argonne encourages everyone to apply for employment. Argonne is committed to nondiscrimination and considers all qualified applicants for employment without regard to any characteristic protected by law. Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department. All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis. Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.
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Kaiawhina
Whanau Awhina PlunketWhānau Āwhina Plunket is a long-standing New Zealand not-for-profit organization dedicated to helping whānau thrive by supporting the health, development, an
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Psychometrician
National Registry of EmergencyThe National Registry is an equal-opportunity employer. All persons will be considered for employment without discrimination against race, color, religion, sex, sexual orientation, national origin, veteran, or disability status. For more information on the National Registry, visit nremt.org.
Role Description The Psychometrician is responsible for performing psychometric activities for examinations and assisting with improving psychometric methods and relevant issues in the evaluation of pre-hospital knowledge, skills, and abilities. The Psychometrician leads assigned projects and contributes to the dissemination of psychometric research via publications or conference presentations. The Psychometrician plays a critical role in advancing the organization’s mission by ensuring examinations are fair, defensible, and aligned with current EMS practice. Through data analysis, test development, and research, the role supports lifelong professional competence, strengthens partnerships, and promotes evidence-based decisions that enhance the credibility of certification outcomes. Essential Functions: - Ensures examination programs comply with the Standards for Educational and Psychological Testing and other applicable accreditation standards, balancing compliance, resources, and stakeholder impact. - Conducts and delivers accurate psychometric analyses and reports (e.g., item analysis, form analysis, equating, DIF, standard setting) in accordance with organizational policies, processes, and procedures. - Creates technical reports, supports examination rescoring inquiries, prepares leadership-request analyses, and coordinates with other psychometricians. - Produces analytical reports, job aids, and guidance to support examination development and improve efforts. - Collaborates with subject matter experts and examination developers on item development, examination design, and review activities, including participation in Practice (Job Task) Analysis projects and development of examination specifications. - Conducts and collaborates on research, development, and operational projects; communicates findings to stakeholders. - Supports project planning by identifying priorities, resource needs, timelines, and risks; advises on research, measurement, and statistical issues. - Contributes to internal initiatives that improve psychometric policies, processes, procedures, quality, and efficiency. - Serves as an organizational resource on psychometric and measurement topics, including responding to complex inquiries and delivering training. - Prepares materials for board and committee meetings and provides support to the Content Development and Examination teams. Qualifications - PhD in Education, Psychology, Measurement, or related field required. - 3 years of experience in related field is preferred. - Experience with Standards for Education and Psychological testing, and skill at translating those standards into practice. - Experience in software required for psychometric analyses, such as SAS, WINSTEPS, FACETS, R is required. Requirements - Must be able to travel approximately 10 nights per year. - Must be able to successfully work in an office environment. Company Description The National Registry is an equal-opportunity employer. All persons will be considered for employment without discrimination against race, color, religion, sex, sexual orientation, national origin, veteran, or disability status. For more information on the National Registry, visit nremt.org.
Federal Work Study - Reading and Math Tutors
National UniversityNational University is committed to maintaining a high-quality workforce representative of the populations we serve. National University employs more than 4,500 faculty and staff and serves over 45,000 students. We are united in our mission to meet the global education demands of the 21st Century and are dedicated to creating a supportive academic and work environment that allows students, faculty, and staff to develop their interests and talents while experiencing a sense of community. Programs available both online and at our many campus locations. National University is a leader in creating innovative solutions to education and meeting the needs of our student population, including adult learners and working professionals. National University (NU) is proud to be an equal opportunity employer and does not discriminate against any employee or applicant per applicable federal, state, and local laws.
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Role Description We’re looking for a Psychometrician to join us as a part-time, ongoing consultant. This role combines strategic advisory with hands-on work, ensuring our assessment methodologies are scientifically sound, fair, and compliant with professional and legal standards. You’ll collaborate closely with product and engineering to validate and improve our AI-driven assessment systems. What You’ll Do - Evaluate and improve candidate assessment frameworks; - Design and run validation studies (criterion-related, construct, content validity); - Establish and monitor reliability metrics (e.g., internal consistency, test-retest); - Ensure AI-driven scoring aligns with psychometric best practices; - Audit algorithms for bias, fairness, and adverse impact; - Support calibration and continuous improvement of ranking models; - Ensure alignment with EEOC, APA, and SIOP standards; - Conduct adverse impact analyses and assess subgroup differences; - Recommend and implement bias mitigation strategies; - Define and track key measurement KPIs (validity, reliability, fairness); - Translate technical findings into clear, actionable insights; - Prepare documentation for audits, certification, and external validation. Qualifications - Master’s or PhD in Psychometrics, Industrial-Organizational Psychology, Statistics, or a related field; - 5+ years of experience in assessment validation, ideally in hiring or talent assessment; - Strong knowledge of Item Response Theory (IRT) and/or Classical Test Theory (CTT); - Experience designing and executing validation studies; - Hands-on experience with adverse impact and fairness analysis; - Strong analytical and problem-solving skills; - Ability to work independently in a remote, flexible environment; - Clear communication skills, especially with non-technical stakeholders. Requirements - Experience with AI/ML-based hiring or assessment systems; - Background in HR tech or talent analytics; - Experience supporting audits, certification, or compliance processes; - Academic or research affiliation. Benefits - Part-time, ongoing consulting role; - Fully remote with flexible hours; - Mix of strategic advisory and hands-on work.

