Sr Principal Mechanicl Engineer, Control Actuation Systems

Prattwhitney; Huntsville (AL); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) match

Flexible work schedules

Paid time off

Parental leave

Job summary

RTX is seeking an expert mechanical engineer for the Precision Control Actuation System (PCAS) to support development, build, and verification of control actuation systems. Roles may be stationed in Huntsville, AL or Tucson, AZ, with autonomy and opportunities for hands-on hardware work.

Expect deep experience in mechanical design, control systems, GD&T, and CAD tooling, plus MATLAB/Simulink and dSpace familiarity. This role requires DoD clearance readiness and U.S. citizenship.

Qualifications

• Typically requires a STEM degree with 10+ years of relevant experience.
• Advanced degree in related field with minimum 7 years experience.
• Minimum of 10 years of experience in mechanical engineering design.
• Experience with servo control systems and CAS development.
• Proficient in GD&T per ASME Y14.5.
• Experience with Pro/Engineer/CREO and 3D modeling.
• Experience with MATLAB/Simulink and dSpace.

Responsibilities

• Work autonomously and influence PCAS strategies beyond assigned program work.
• Provide hands-on hardware builds, testing, and verification.
• Support control actuation systems engineering and architecture development.
• Decompose higher level tasks into discrete lower-level work packages and tasks.

Skills

STEM degree

Advanced degree

10+ years experience

servo controls

CAS development

feedback control systems

GD&T ASME Y14.5

3D modeling

Creo/Pro/Engineer

Matlab/Simulink/dSpace

machined parts/sheet metal

Education

STEM degree

Advanced degree

Tools

Creo 3D modeling

Matlab/Simulink

dSpace

Job description

Date Posted: 2026-08-24 Country: United States of America Location: US-AL-HUNTSVILLE-315 ~ 315 Bob Heath Dr ~ BOB HEATH Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

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.

The Precision Control Actuation System department is seeking an expert mechanical engineer to join the PCAS organization to support the development, build, and verification of control actuation systems. The PCAS organization staffs mechanical engineers for a variety of roles supporting primarily control section Integrated Product Teams. You will provide various mechanical engineering support as needs of programs fluctuate. Based on skillsets, support may include but is not limited to detailed mechanical design, earned value management, test design and execution, and systems engineering. You will be expected to flex responsibilities based on the current needs of the organization and their respective skill sets.

Locations: This role may be staffed at the PCAS location in either Huntsville, AL or Tucson, AZ

What You Will Do

At this grade level, you will be expected to work autonomously, have expert or mastery level knowledge within the control mechanism development domain, and exercise strategic vision to influence the functional and organizational strategies of the PCAS organization beyond assigned program work. The PCAS organization provides ample opportunities for hands‑on hardware work. PCAS mechanical engineers are exposed to a variety of lab activities including engineering builds, hardware integration, hardware tuning, and hardware verification. The PCAS organization provides a strong technical learning environment with a dedicated control system technology pyramid comprised of engineering fellows. PCAS mechanical engineers are provided the opportunity for direct access to these subject matter experts, fostering accelerated technical growth.

Qualifications

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• An Advanced Degree in a related field and minimum 7 years experience.
• A minimum of 10 years of experience in mechanical engineering design.
• Experience with Systems or Mechanical Engineering of servo controls.
• Experience with development of CAS requirements, CAS architecture, requirements risk, requirements verification and validation, system performance & function, safety and environmental compliance.
• Experience in working with control actuation systems that employ permanent magnet brush and brush less DC motor technology.
• Experience with feedback control systems, including sizing, testing and integration, design-for-manufacturing, kinematic and dynamic simulation and analysis.
• Proficient in Geometric Dimensioning and Tolerancing per ASME Y14.5.
• Proven ability to deconstruct higher level tasks into discrete lower-level work packages and tasks.
• Proficient in generating free body diagrams.
• Proficient in Engineering processes and procedures.
• Moderate 3D modeling skills with a prominent commercial software package.
• Experience with Pro/Engineer/CREO 3D modeling and mechanical drawing generation.
• Experience using Matlab, Simulink, and dSpace.
• Proven design and manufacturing knowledge in machined parts, injection molded parts, hobbing, broaching, sheet metal fabrication, BLDC motors, wire harnesses/flex harnesses and related components, corrosion resistant steels and aluminum alloys.

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

Salary

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.

Benefits

• 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
• Holidays
• 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.

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

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.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.

RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.