Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Paid time off
• Relocation bonus
• Vision insurance

STS Principal Test Development Engineer

Location: Tewksbury, Massachusetts
Work Arrangement: On-site
Employer: Legion Technical Solutions (LTS)


Build Advanced Test Solutions That Support Critical Missions


Legion Technical Solutions (LTS) is seeking an experienced Principal Test Development Engineer  to support a leading aerospace and defense client’s Sensor Test Solutions organization.


In this role, you will join a multidisciplinary engineering team responsible for designing, integrating, and deploying sophisticated test equipment. These systems support an Andover, Massachusetts factory as well as depot facilities located domestically and internationally.


This is an excellent opportunity for a senior engineer who enjoys hands-on technical work and can contribute across electrical hardware, test instrumentation, fixture development, PCB design, and automated test software.

What You Will Do

• Design electrical test stations and test fixtures
• Perform electrical schematic capture and support PCB design
• Develop and integrate automated test software
• Execute assigned technical tasks in a collaborative team environment
• Support scheduled project and technical meetings
• Report technical progress periodically, including daily or weekly updates as required by the project lead
• Collaborate with engineers specializing in RF, power, digital, analog, hardware, and software
• Support the integration, troubleshooting, and deployment of test equipment
• Contribute within a structured, process-heavy engineering environment

What Success Looks Like


You will come up to speed quickly and make a meaningful contribution to projects involving test stations, fixtures, and automated test software. You will work effectively within project teams typically consisting of five to ten engineers and demonstrate the technical aptitude, communication skills, and collaborative approach needed to deliver reliable test solutions.


At the principal level, you will also bring the experience and judgment needed to help guide technical execution, communicate risks, and support successful project delivery.


Required and Desired Qualifications
Core Technical Skills (Non-negotiables)

• Electrical Test Instrument/Equipment experience
• Power, RF, Digital Logic, Analog circuit knowledge
• Automated Test Software development experience

Desired Skills (Nice-to-Have)

• Experience with project leadership, project cost and schedule management, i.e. EVMS, MS Project
• DoW (DoD) project development life-cycle processes

Tools / Technologies Required

• Automated test software (C/C++/C#, LabView, TestStand)
• ORCAD and/or Cadence Allegro for PCB design, experience in any of the following: Power, RF, Digital Logic

Experience Required: Minumum of 8-10 years experience


Education Required: STEM bachelor's degree


The Environment
This position is best suited for an engineer who is comfortable balancing individual technical ownership with teamwork. You should be prepared to operate in a structured development environment, participate in recurring project meetings, communicate progress consistently, and collaborate across multiple electrical engineering disciplines.


Join LTS and apply your test-equipment expertise to challenging programs where dependable engineering, disciplined execution, and teamwork matter.