Senior Mechanical Engineer - Site Development

Use the Apply button above to submit your application directly to RTX. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

This position is based in US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1. RTX has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

RTX has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

This role was posted on July 22, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. RTX lists their specific requirements in the description below, so review the must-have qualifications closely before applying.