---
title: "Mechanical Engineer I (Onsite) at RTX – Lowell, MA +1"
canonical: "https://www.metaintro.com/job/mechanical-engineer-i-onsite-at-rtx-e4f72ebd-32b6-56be-be73-cf47c40456b0"
language: "en"
author: "Metaintro"
---

[![RTX logo](/api/company-logo?url=https%3A%2F%2Frtx.com%2F-%2Fmedia%2Fthemes%2Fraytheon-technologies%2Frtx-shared%2Frtx-theme%2Fimages%2Frtx-balck-favicon.png%3Frev%3D3da99ab1a2a54dca92c98a2ede690339%26rid%3De3e3f4840c2742cc9f36e2d33430c8cd&sig=BZWXjKY707w7hD4k-7ExLQbgg1OxiUdC9eFHeuTadE0)](/company/rtx)[RTX](/company/rtx)
# Mechanical Engineer I (Onsite) at RTX

Compensation · Listed in posting

$57,200 – $108,800/yr

**Location**
: Lowell, Massachusetts · Woburn, Massachusetts

**Type**
: Full-time

**Level**
: not_specified

**Posted**
: Oct 2, 2026

## Description

RTX is hiring an onsite Mechanical Engineer in Tewksbury, Massachusetts, to design, model, document, validate, and support mechanical components and systems for radar, missile, and command-and-control platforms. The role covers the full product lifecycle, including 3D CAD, rapid prototyping, testing, simulations, factory support, and cross-functional hardware problem solving. Candidates need a STEM bachelor’s degree, parametric 3D CAD experience, and the ability to obtain a DoD Secret security clearance; the salary range is 57,200 USD to 108,800 USD.

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