> Markdown version of [/jobs/ext/4148878-principal-mechanical-engineer-control-actuation-systems](https://www.wearedevelopers.com/jobs/ext/4148878-principal-mechanical-engineer-control-actuation-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Mechanical Engineer, Control Actuation Systems - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Data Analysis, Systems Engineering, Hardware Design, MATLAB, Microsoft Office, Microsoft PowerPoint, Requirements Management - **Published:** October 12, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-M10--3360-E-Hemisphere-Loop--BLDG-M10/Principal-Mechanical-Engineer--Control-Actuation-Systems_01881895 ## About the Role 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, * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience or an advance degree and a minimum of 5 years relevant experience * Experience in mechanical mechanism design OR flight control systems for aerospace applications Qualifications We Prefer * Experience developing flight control systems for aerospace applications * Experience in mechanism design * Advanced degree in Mechanical Engineering, Aerospace Engineering, Systems Engineering, Electrical Engineering, or Physics * Basic proficiency with model development and data analysis in MATLAB/Simulink * Experience working with and integrating hardware. * Basic knowledge of DOORS, CAMEO, and/or other requirements management tools * Systems engineering design and development * Experience with dSPACE Real-time test systems * Proven ability to deconstruct higher level tasks into discrete lower-level work packages and tasks * Ability to estimate project / tasks level of effort * Ability to cross collaborate with geographically distributed teams * Experience and certifications in Earned Value Project Management * Ability to articulate, in both oral and written form, to technical, non-technical and management audiences * Proficient in Microsoft Office products (Word, Excel, Powerpoint) ## Description The Precision Control Actuation System department is seeking a principal mechanical design 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. What You Will Do * You will provide various mechanical engineering support as needs of programs fluctuate. Based on skillsets, support may include but 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. * At this grade level, you will be expected to work autonomously with minimal oversight, may manage moderate size projects, delegate work to lower level professionals, have advanced to expert knowledge of the control mechanism development domain, address problems that are difficult and complex, and influence others regarding policies, practices and procedures What You Will Learn * The PCAS organization provides ample opportunities for hands-on hardware work, with a dedicated lab space at our Huntsville and Tucson facility. * 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.