Unfortunately, there are only 11 Drupal job offers in Community of Madrid on Jobspotting as it stands. Maybe, you could try slightly farther afield. Subsections include most dominantly PHP Frameworks and Software Development. Jobs that require PHP, WordPress, or CMS are often referred to in job ads in this area.
Positions that require a lot of Drupal expertise are as it stands the most common ones on offer. Startups are few and far between when it comes to businesses seeking for Drupal. Candidates who have applied for vacancies in this area before will know that personnel agencies are commonly used in this area. At the moment, 2 of 9 companies on Jobspotting are personnel agencies. If you'd rather not see such job ads, you can filter your feed to exclude them. Have you seen the number of businesses seeking locally? These insights can help your job search!