Sr Semiconductor Foundry Engineer

RTX (Raytheon); Massachusetts; On-site; USD 120,000 - 180,000; Full time

Job summary

RTX in Andover, MA is seeking an experienced semiconductor processing engineer to join our RF Microelectronics/Module Development & Foundry Services team. You will work on the foundry floor with process, equipment, quality, and operations teams to sustain current production and develop new processes for defense applications.

Applicants should have a STEM degree with 5+ years of relevant experience (or an advanced degree with 3+ years) and hands‑on expertise in photolithography, dielectric

Qualifications

• Degree in STEM and 5+ years of relevant experience OR an Advanced Degree with 3+ years experience.
• Experience in semiconductor processing techniques such as photolithography, dielectric deposition, metals evaporation, etch processes and inspections.
• Experience with statistical analysis and data-driven process improvement.

Responsibilities

• Frequently work on the foundry floor with process, equipment, quality, facilities, and operations teams.
• Sustainment of current production processes and development of new processes.
• Review in-line electrical data trends and process control metrics.
• Investigate scrap and rework events with root cause tools.
• Maintain technical documentation (recipes, ODCs, FMEAs).
• Identify process improvement opportunities.
• Manipulate large datasets and use statistics to define SPC controls and manage projects.
• Manage yield improvement and RCCA efforts.
• Support capital qualification efforts.

Skills

Semiconductor processing

Photolithography

Dielectric deposition

Metals evaporation

Etch processes

Optical/SEM inspections

Statistical analysis

Data analysis

Education

STEM degree

Advanced degree

Tools

JMP

Minitab

R

SPSS

MATLAB

Python

SQL

Job description

Date Posted:

2026-09-09

Country:

United States of America

Location:

US-MA-ANDOVER-AR2 ~ 362 Lowell St ~ AR2 PLYMOUTH BLDG

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

About RTX:

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon overview:

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Company values:

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world.

Job Opportunity:

An exciting opportunity exists for experienced semiconductor processing engineers to join our III-V foundry team at the RF Microelectronics/Module Development & Foundry Services department at Raytheon in Andover, MA. This department develops, designs, and manufactures compound semiconductor devices, microwave/millimeter-wave integrated circuits, and modules for defense applications.

Job Responsibilities:

• Frequently work on the foundry floor and interact with various process engineering, equipment engineering, digital technologies, quality, facilities, and operations teams
• Sustainment of current production processes and involvement with development of new processes
• Review in-line electrical data trends and process control metrics.
• Investigate scrap and rework events with root cause tools and approaches
• Maintain technical documentation (recipes, out-of-control action plans, FMEAs)
• Identify process improvement opportunities.
• Manipulate large datasets and use statistical analysis to define SPC controls, manage projects, and assign risk
• Manage yield improvement and RCCA efforts supporting the production line
• Support capital qualification efforts.

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
• Experience in semiconductor processing techniques such as photolithography, dielectric deposition, metals evaporation, etch processes and/or optical or scanning electron microscope inspections.

Qualifications We Prefer:

• Experience with statistical analysis software (JMP, Minitab, R, SPSS, MATLAB, etc)
• Experience with characterizing, understanding, and improving semiconductor device performance and reliability.
• Experience in statistical process control (SPC)
• Broad knowledge related to semiconductor processing, device physics, and data analysis
• Experience troubleshooting a wide range of fabrication equipment, in addition to establishing equipment qualification and preventative maintenance procedures
• Experience with GaAs (Gallium Arsenide) and GaN (Gallium Nitride)
• Experience in a data analysis software packages (e.g. MATLAB, Python, SQL, JMP)
• Excellent communication skills to effectively transfer ideas

What We Offer:

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innov