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.