***Job Title: Lead, Electromechanical Actuation System Design Engineer*** ***Job Code: 42260*** ***Job Location: Canoga Park, CA (Preferred) or Sacramento, CA or Huntsville, AL*** ***Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off*** **** **Job Description:** **** L3Harris Technologies is seeking a **Lead, Electrical/Mechanical Engineering, Mechanical Engineering** to support the design, development, integration, and qualification of advanced **electromechanical actuation systems** for aerospace and defense applications. This role will lead the development of mission-critical actuation hardware across the full product lifecycle, from requirements analysis and architecture development through detailed design, integration, verification, qualification, and production support. The ideal candidate brings strong experience in **electromechanical system design**, including motors, gearing, screw-driven mechanisms, structural load paths, packaging, sensing, and environmental design, along with a solid foundation in **dynamic performance assessment** and **control theory** to enable successful closed-loop system integration. **Essential Functions** - Lead the design and development of **electromechanical actuation systems** for aerospace and defense platforms. - Translate customer, system, and subsystem requirements into actuation system architectures, detailed designs, and producible hardware solutions. - Perform concept development, trade studies, and system sizing analyses considering torque, speed, load, duty cycle, reflected inertia, efficiency, mass properties, packaging, reliability, producibility, and cost. - Develop and integrate electromechanical actuation system elements. - Develop actuation system architectures for both **linear motion applications**, including mechanism selection, packaging, interface definition, and load transfer strategies. - Perform **dynamic performance assessments** of actuation systems, including response time, bandwidth, damping, stiffness, resonance behavior, overshoot, settling time, backlash effects, positional accuracy, disturbance response, and stability-related mechanical influences. - Apply **control theory fundamentals** to support closed-loop system integration, including understanding of feedback behavior, controllability, stability margins, and interactions between the actuator, mechanism, drive electronics, sensors, and the controlled plant. - Support motor, transmission, and mechanism sizing through evaluation of mission profiles, transient events, startup conditions, shock loads, duty cycles, thermal limits, and operational scenarios. - Perform or guide engineering analyses - Develop 3D CAD models, detailed drawings, and complete engineering definition packages. - Support hardware procurement, prototype builds, system integration, troubleshooting, and design maturation activities. - Lead or support verification testing, qualification testing, failure investigations, and root cause/corrective action efforts. - Collaborate with systems, electrical, controls, software, manufacturing, quality, supply chain, and test engineering teams to ensure successful design execution and transition to production. - Lead or support technical reviews, peer reviews, design reviews, customer presentations, proposal efforts, and risk assessments. - Provide technical leadership and mentorship to other engineers and contribute to engineering best practices, standard work, and continuous improvement initiatives. - Support production and fielded hardware, including nonconformance review, supplier technical coordination, and issue resolution as needed. - Ensure designs are compliant with applicable customer, program, company, aerospace, and defense standards and processes. - Ability to obtain a US Secret Clearance **Qualifications** - Bachelor’s Degree and minimum 9 years of prior relevant mechanical engineering experience or Graduate Degree and minimum 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience. **** **Preferred Additional Skills** - Bachelor’s Degree in Mechanical Engineering, Aerospace Engineering, or related discipline; Master’s Degree preferred. - Experience in the design and development of **electromechanical actuation systems**, servo-mechanical systems, precision mechanisms, or related aerospace/mechanical hardware. - Background in machine design, including gears, bearings, shafts, fasteners, fits, lubrication methods, and power transmission components. - Experience performing system sizing and performance calculations including torque, speed, inertia, reflected load, efficiency, duty cycle, life, and load case development. - Experience evaluating **dynamic mechanical performance**, including stiffness, resonance, backlash, vibration sensitivity, and positional behavior. - Working knowledge of **control theory fundamentals** and electromechanical system interaction with closed-loop control systems. - Proficiency with 3D CAD modeling and engineering drawing generation. - Working knowledge of GD&T, tolerance stack-up analysis, and manufacturing/producibility considerations. - Experience supporting hardware through prototype fabrication, integration, testing, and design maturation. - Strong written, verbal, and interpersonal communication skills and ability to work effectively in cross-functional teams. - Direct experience designing **high-reliability electromechanical actuation systems** for aerospace or defense applications. - Experience with **flight-critical, mission-critical, or safety-critical hardware**. - Familiarity with aerospace and defense development environments and standards - Experience with FEA and analytical methods for structural, thermal, and dynamic system evaluation. - Knowledge of servo systems, motor/drive integration, feedback sensors, and closed-loop electromechanical positioning systems. - Experience supporting environmental testing, qualification testing, and failure analysis. - Experience transitioning hardware from development into low-rate or full-rate production. - Demonstrated technical leadership on complex mechanical or electromechanical development efforts. - Active **U.S. Secret security clearance** or higher. In compliance with pay transparency requirements, the salary range for this role in the State of California is $122,000 - $227,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements. #LI-AT4