AV Systems Design Engineer (Post-Sales) Location: Andover, MA (On-site) | Travel: ~2 days/week to customer sites for design QC and coordination Job Category: Design Engineering - Post-Sales Technical Role Overview As an AV Systems Design Engineer, you'll serve as the technical bridge between sales and delivery, translating client commitments into engineered solutions. This is a post-sales role focused on detailed system design, technical documentation, and client collaboration after contracts