71 physical scientist jobs at 28 companies in Walnut Park, CA
1d
Save
Mark Applied
Hide
Physical Scientist
Lakewood or Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin
$126k-$164k/yr OnsiteFull Time
1+ YOEPhysical science, engineering, or mathematics degree with 24 physical science credits, plus one year of GS-13-equivalent specialized experience in mineral valuation, analysis, instruction, and presentations.
ArcGIS, USA Hire, E-Verify, Microsoft Outlook
1d
Save
Mark Applied
Hide
Physical Scientist
Nogales or Tucson or Long Beach or San Francisco or San Ysidro or Miami or Savannah or Honolulu or Chicago or New Orleans or Newark or Guaynabo or Memphis or Donna or El Paso or Houston or Laredo or Ashburn or Blaine
$106k-$138k/yr OnsiteFull Time
1+ YOEPhysical science, engineering, or mathematics degree with 24 semester hours in relevant science, plus 1 year of specialized GS-12-equivalent experience conducting complex analyses and evaluating laboratory methods.
USA Hire, Microsoft Office 365, Thrift Savings Plan
2d
Save
Mark Applied
Hide
Physical Scientist (General)
Guaynabo or Long Beach or Otay or Memphis or Donna or Anchorage or Newark
$50k-$116k/yr OnsiteFull Time
1+ YOEPhysical science, engineering, or mathematics degree with 24 physical science credits, or equivalent education and experience, plus one year of specialized experience or applicable graduate education; U.S. citizenship required.
instrumentation
2mo
Save
Mark Applied
Hide
Clinical Lab Scientist
Anaheim, California, United States
$50-$58/hr OnsiteFull Time
2+ YOEBachelor's or doctoral degree in chemical, physical, biological, clinical laboratory science or medical technology; current California Clinical Laboratory Scientist license; ASCP preferred; ~2 years acute care lab experience preferred.
1mo
Save
Mark Applied
Hide
Clinical Lab Scientist I
San Juan Capistrano, California, United States
$40-$56/hr OnsiteFull Time
0+ YOEPerforms moderate to complex clinical laboratory tests; requires bachelor’s in medical technology or life/physical sciences and state Clinical Laboratory Scientist licensure; 0–3 years lab experience.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Electronic medical records (EMR)
1mo
Save
Mark Applied
Hide
Senior Scientist
Pasadena, California, United States
$134k-$165k/yr OnsiteFull Time
10+ YOE8+ MgmtBS in Physics, Astronomy, or Engineering; 10+ years high-precision optics experience; 8+ years mentoring; expertise in optical design, coatings, and precision optical metrology; MS/PhD preferred; MS Project experience preferred.
Microsoft Project
3d
Save
Mark Applied
Hide
MOSIS 2.0 Scientist
Marina del Rey, California, United States
$165k-$200k/yr OnsiteFull Time
3+ YOEPhD in electrical engineering, materials science, applied physics, or related field; 3+ years post-PhD semiconductor device technology experience; cleanroom fabrication, process integration, device physics, and sponsored research expertise.
Intel 18A, TSMC, GlobalFoundries, WIN Semiconductors, Cadence, Synopsys, KLayout, DRC/LVS, BSIM, ASM-HEMT
3mo
Save
Mark Applied
Hide
Scientist - Plasma Diagnostics
Foothill Ranch, California, United States
$110k-$130k/yr OnsiteFull Time
PhD in plasma physics with in situ diagnostics; hands-on diagnostics experience; data analysis and reporting; programming in Python.
Langmuir probes, retarding field analyzers, fast ion loss detectors, pyrobolometers, thermo-optical arrays, DAQ systems, oscilloscopes, function generators, high-vacuum systems, Python
1d
Save
Mark Applied
Hide
Research Scientist
Torrance, California, United States
$120k-$165k/yr OnsiteFull Time
3+ YOEPhD preferred in applied physics, electrical engineering, physics, optics, or related field; master's with 5+ years of successful proposal experience considered. Requires 3+ years in opto-electronic system development, technical writing, and U.S. citizenship.
DFARS 252.227-7018, DFARS 252.227-7017, MIL-STD
1mo
Save
Mark Applied
Hide
Research Scientist
Pasadena or United States
$100k-$135k/yr RemoteFull Time
Graduate degree in physical/environmental/earth/applied sciences, experience with methane emission sectors and remote sensing, ability to work independently and manage multiple projects.
Git
1mo
Save
Mark Applied
Hide
Research Scientist
Thousand Oaks, California, United States
$91k-$121k/yr OnsiteFull Time
M.S. or Ph.D. in engineering or physics, 0–5 years relevant experience, strong heat transfer and fluid dynamics background, hands-on experimental lab experience, data analysis skills, familiarity with ANSYS Fluent/Icepak/Workbench, US citizenship required.
ANSYS Fluent, Icepak, Workbench
3mo
Save
Mark Applied
Hide
CLINICAL LABORATORY SCIENTIST I (BLOOD BANK)
Los Angeles, California, United States
$95k-$135k/yr OnsiteFull Time
0.5+ YOESix months experience as Clinical Laboratory Scientist; CA CLS license or Limited CLS license in a qualified specialty; meet physical requirements; online filing and exam process as described.
1mo
Save
Mark Applied
Hide
Project Scientist Pool
Irvine, California, United States
$79k-$209k/yr OnsiteFull Time, Part Time
Ph.D. in physical climate, atmospheric chemistry, biogeochemistry or related field; proven research track record; submit CV, research statement, and references.
1w
Save
Mark Applied
Hide
Research Scientist - E2
Palmdale, California, United States
$91k-$169k/yr OnsiteFull Time
Bachelor's degree in engineering or physics, U.S. citizenship, active DoD Secret clearance, and ability to obtain Top Secret clearance; experience with low observables, modeling, measurement, and programming preferred.
Unix, Python, C++, C#, Java, Fortran, Matlab, CAD
1w
Save
Mark Applied
Hide
Research Scientist - E2
Palmdale, California, United States
$91k-$169k/yr OnsiteFull Time
Bachelor's degree in engineering or physics, U.S. citizenship, active DoD Secret clearance, ability to obtain Top Secret clearance, and experience or interest in low observables, electromagnetics, modeling, simulation, or programming.
Unix, Python, C++, C#, Java, Fortran, Matlab, CAD
2mo
Save
Mark Applied
Hide
Research Scientist, R&D (2026)
Los Angeles, California, United States
$100k-$175k/yr HybridFull Time
3+ YOEPhD or Master’s in CS/Physics/Mathematics; 3+ years R&D in graphics/physics/ML; advanced C++ with VCS and testing; strong communication; background in discrete geometry or related areas.
C++, CUDA, Metal, WebGPU
1mo
Save
Mark Applied
Hide
Project Scientist - Environmental Solutions
Irvine, California, United States
$60k-$75k/yr FieldFull Time
1+ YOEBachelor's in geology/environmental science/engineering, 1–3 years environmental field experience, current 40-hour HAZWOPER, valid driver’s license, ability to perform physical fieldwork, proficiency with Microsoft Word and Excel.
Microsoft Word, Microsoft Excel
1mo
Save
Mark Applied
Hide
Space Photovoltaics Research Scientist
El Segundo, California, United States
$117k-$176k/yr OnsiteFull Time
8+ YOEPh.D. in a STEM field, 8+ years experience in opto-electronic materials or device physics, proficiency with electro-optical characterization techniques, data analysis/programming (Python, MATLAB, Origin), project leadership, ability to obtain U.S. security clearance.
Python, MATLAB, Origin
4w
Save
Mark Applied
Hide
Project Scientist - CSST or CAC
Irvine, California, United States
$29-$45/hr FieldPart Time
2+ YOE2+ years in regulated materials/industrial hygiene, bachelor’s degree in environmental science or related field, CAC or CSST required, CIH preferred, valid driver’s license, ability to pass background/drug/physical checks.
3w
Save
Mark Applied
Hide
Computational Scientist, Quantum Energy Systems
Torrance, California, United States
OnsiteFull Time
PhD-level expertise in computational materials science, condensed-matter physics, or computational chemistry; production Python or C++ coding; simulation package fluency; and experience connecting simulations to experimental outcomes.
Python, C++, density functional theory, molecular dynamics, finite-element modeling
Explore Jobs