The Tropospheric Chemistry Group at the NOAA Chemical Sciences Laboratory (https://esrl.noaa.gov/csl/groups/csl7/) has an open position for measurements of reactive nitrogen and ozone using fluorescence and chemiluminescence methods.  We are looking for strong experimentalists with an interest in aircraft research and instrument development.  We appreciate your circulating this position to interested students, post-docs or early career scientists in your group.

https://jobs.colorado.edu/jobs/JobDetail/?jobId=26011&emailCampaignId=209