ChemJobs.Net (Popularity: )
http://www.chemjobs.net/ Positions for chemists in the chemical industry and academia. Also carries vacancies in positions allied to chemistry, e.g from the biochemical and the pharmaceutical sectors.
Chemical Engineering Jobs (Popularity: )
http://chemicalengineeringjobs.org/ Search job boards, company career pages and associations for USA Chemical Engineering jobs. Free, no registration necessary. Search job sites, company career pages and associations for chemical engineering jobs.