Application Screening: HR reviews your resume and cover letter to check for relevant technical qualifications, certifications, and experience in maintenance or troubleshooting. Phone/Video Interview: An initial conversation with HR or a recruiter to discuss your background, availability, travel willingness, and communication skills. Technical Interview: A more in-depth discussion with an engineering manager or senior engineer. You may be asked: Technical questions related to electrical, mechanical, or software systems. To explain how you’ve diagnosed and solved field issues in the past. Problem-solving scenarios or case studies.