Raytheon Technologies

2026 ADGE Sr Principal Mech Engineer - On Site

Raytheon Technologies$132K — $251K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Degree in STEM required, with 10 years of experience or an Advanced Degree with 7 years
  • Experience in mechanical equipment design within defense/military settings
  • Strong leadership in engineering teams, overseeing budgets and schedules
  • Collaborative experience in Integrated Product Teams and customer interactions
  • Hands-on mechanical design experience from conception to production
  • Experience in root cause analysis and technical document creation
  • Broad knowledge of CAD, materials, and manufacturing processes

Responsibilities

  • Lead major programs and cross-functional engineering teams
  • Act as subject matter expert and technical liaison
  • Oversee design teams' technical performance and lifecycle guidance
  • Manage proposal efforts, schedules, and cost commitments
  • Drive technical data package development and process improvements
  • Conduct complex mechanical design and documentation
  • Collaborate with teams to ensure production-ready solutions

Benefits

  • Strong commitment to values including Safety, Trust, and Innovation
  • Relocation assistance offered based on eligibility
  • Comprehensive health and insurance benefits including medical, dental, and vision
  • 401(k) match and flexible spending accounts available
  • Employee support programs and educational assistance initiatives
  • Parental leave and paid time off benefits
Full Job Description
Date Posted:
2026-07-30
Country:
United States of America
Location:
US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET 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

Department Overview:

The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design, development, and integration of critical defense platform systems.

This includes radar and communications shelters, electronic subsystems, launchers, hardware integration, and system interconnects.

Role is an On-Site role in Tewksbury, MA/Andover, MA

What You Will Do
  • Lead execution of major programs and mid- to large-scale cross-functional engineering teams across all development phases
  • Serve as SME and technical liaison to programs/IPTs, ensuring stakeholder alignment
  • Oversee technical performance of design teams and provide lifecycle engineering guidance
  • Lead proposal efforts, EAC activities, and manage schedule, cost, and technical commitments
  • Drive TDP development, peer reviews, and hardware engineering process improvements
  • Perform complex mechanical design, development, and documentation for defense systems
  • Support product integration with domestic/international factories and suppliers
  • Collaborate with multidisciplinary teams, Chief Engineers, and suppliers to deliver robust, production-ready solutions


Qualifications You Must Have
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience or an Advanced Degree in a related field and minimum 7 years' experience.
  • Mechanical equipment design and development experience, preferably in defense/military environments
  • Proven engineering team leadership with accountability for cost, schedule, and technical performance; project budgeting and scheduling experience
  • Prior Experience collaborating within Integrated Product Teams (IPTs) and cross-functional organizations, including customer engagement
  • Experience with hands-on mechanical design, from trade studies and concept development through production transition and supplier support
  • Experience conducting RCCA, driving cost reduction initiatives, and producing technical documentation/white papers
  • Broad expertise in mechanical design, materials, manufacturing processes, CAD, and PDM systems
  • The ability to travel domestically and internationally


Qualifications We Prefer

  • Advanced degree in Mechanical Engineering or related hardware systems field
  • Electronic packaging design experience (subsystems, modules, CCAs, PWBs, interconnects for RF/digital/power)
  • Design, fabrication, and integration of electronic assemblies, shelters, racks, and PDUs
  • Knowledge of military/commercial specifications and ASME Y14.5 GD&T
  • Experience with ECAD processes, interconnects, cables/harnesses, and material selection/finishes
  • Proficiency in Creo CAD, Windchill PDM (or similar), and configuration/change management
  • Skilled in Microsoft Office with strong communication and technical writing abilities
  • Self-driven team player able to manage multiple priorities and travel as needed


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 Innovation.
  • Relocation Eligibility


Learn More & Apply Now!
  • Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Role is an On-Site role in Tewksbury or Andover, MA


As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

About Raytheon Technologies

Raytheon Solipsys, a wholly-owned subsidiary of the Raytheon Company, is an industry leader in the development of integrated Command and Control (C2) Network-Centric solutions for the Domestic and International DoD and Homeland Security. Through proven systems and software engineering practices, built on the invention and application of innovative technologies, they deliver the C2 infrastructure necessary to effectively control security/military forces in any environment. Their reliable solutions assure information superiority, increased shared awareness, deep sensor reach, aircraft control, air defense, disaster management, and time-critical decision making.

Raytheon Technologies Careers

Join the innovative world of Raytheon Technologies, a leader in aerospace and defense, where we offer unparalleled job opportunities in an environment that champions diversity, leadership, and professional growth.

Work You’ll Do

At Raytheon Technologies, you’ll be part of a company that values innovation and leadership. Our team is dedicated to solving some of the most complex challenges in aerospace and defense, making significant impacts worldwide. With a culture that fosters diversity and inclusion, you will collaborate with some of the brightest minds in the industry.

Transform Your Career

Step into a role that harnesses your skills and propels your career to new heights. Raytheon Technologies is not just about thinking big but making those big ideas happen. We provide robust career development opportunities that include comprehensive training and development programs, leadership workshops, and continuous learning through our internal platforms.

Innovate and Lead

Join our team of over 60,000 professionals globally, who are not only experts in their fields but are also driven by a passion for innovation and excellence. At Raytheon Technologies, you are positioned at the forefront of the industry, where your work directly contributes to groundbreaking advancements in technology and defense.

Internship and Employment Opportunities

Whether you’re starting your career or looking to advance, Raytheon Technologies offers a range of employment and internship opportunities that can help you achieve your professional goals. Our internships provide a solid foundation of skills and experiences, while our full-time positions offer a path to personal and professional growth within the company.

Benefits and Culture

Our employees enjoy a competitive package of benefits and rewards that reflect their invaluable role in our company. From health and wellness programs to performance bonuses and flexible working conditions, we ensure our team members are well taken care of.

Networking and Professional Development

At Raytheon Technologies, networking and professional development are part of our DNA. We encourage our employees to engage in internal and external networking events, leadership training, and diversity initiatives that enhance their career journey.

Join Our Team

Explore the numerous positions available that match your skills and interests. We are looking for passionate, curious, and solution-driven team players who are ready to take their career to the next level.

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Prepare for Your Future

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SEARCH RAYTHEON TECHNOLOGIES JOBS

Join us in our mission to create a safer future and be a part of a team that values integrity, excellence, and teamwork. At Raytheon Technologies, your career is just the beginning of a lifelong journey of professional and personal growth.
Learn more about Raytheon Technologies
Size
14,771 employees
Market Cap
$32,494
Industry
Founded
1922
NASDAQ

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