The phrase "certain skillset" refers to a specific combination of skills or abilities that someone possesses. It means they have particular qualifications or expertise in a specific area. Full definition
You can send your agents on missions across the globe, with certain skillsets giving them a better chance at success. (goodshepherd.games)
Labels such as Nerd, Geek, Brain, are well known and used to more often denigrate, rather than celebrate the student's ability to understand and learn certain skillsets. (elearningindustry.com)
In Eric's situation, specific reads much better to both the human eye and sorting algorithms (computer programs that let hiring managers find people with certain skillsets). (topcv.com)