There are relatively few jobs in Argentina that explicitly look for Perl competence: Currently, Jobspotting features 10 jobs for 10 distinct employers. Agile Software Development or Software Development Process job opportunities are overarching themes worth a look, as these are the main categories the job ads can be broken down to. Familiarise yourself with topics like Python, Bash and Shell to give yourself the edge over the competition.
This area is choc-a-block with senior Perl job opportunities. Advertisements for competent professional candidates make up 90% of all roles offered. It's worth noting that we could not find any internships as it stands. Despite the proliferation of startups, there are currently no startup employers publishing job ads that reference Perl. It's common practice for most employers in this area to hire through personnel agencies. Job seekers who value directly-posted job ads more highly, can filter personnel agencies from their feed. While you're here, you can check out interesting information like recruiting trends, and see the quantity of jobs on offer.