Mechanical engineers (MechE) at particle accelerators can engage in various roles, particularly in machine design and power systems, which align with interests in RF, magnetism, and particle physics. The discussion emphasizes the importance of proactive research, including identifying particle accelerator locations in the U.S. and exploring job openings on their respective websites. Job descriptions provide insights into the skills and qualifications sought by employers. Specific roles mentioned include entry-level instrumentation positions at Fermilab, which may involve working with measurement and control systems, although details can be vague. Additionally, the term "technical engineer" often refers to roles that blend mechanical and electrical engineering skills, particularly in electromechanical systems, which is a growing area of interest for those pursuing careers in particle physics and related fields.