Senior Engineer - Mechanical Engineering (Onsite)

Date Posted: 2026-05-28 Country: United States of America Location: US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract. Security Clearance Type: None/Not Required Security Clearance Status: Not Required We are seeking a skilled and motivated Dynamics/Structural Engineering professional to join our Gearboxes and Turbine Products team in Rockford, Illinois. This role is ideal for an engineer who can work independently while collaborating effectively with cross-functional engineering teams. What You Will Do Review structural and dynamic models, engineering drawings, and analysis inputs for accuracy, completeness, and compliance with analysis standards Collaborate with design, test, and systems engineering teams to integrate structural dynamics requirements and ensure accurate load paths and system‑level responses Build, refine, and execute finite element models; perform modal, harmonic, transient, and static analyses using industry‑standard tools Investigate complex structural or vibration‑related issues and drive analytical solutions for fatigue, resonance, shock, and dynamic load problems Support new product development by predicting loads, assessing structural margins, and optimizing designs based on dynamic and static performance criteria Provide technical guidance on structural analysis methods, model validation, and best practices; mentor junior engineers in simulation workflows Develop and implement standard procedures for model development, analysis documentation, and correlation with physical test data Prepare analysis reports, load summaries, model review packages, and technical documentation for design reviews and program milestones Lead dynamic characterization of components and assemblies, including evaluation of stiffness, damping, natural frequencies, and system response Improve product robustness by correlating FEA results with test data and integrating learnings into design and manufacturing improvements Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience Strong understanding of mechanical design principles and engineering documentation Qualifications We Prefer Bachelor’s degree in Mechanical Engineering or Aerospace Engineering preferred. Experience performing structural and dynamic analyses using Ansys is strongly preferred. Prior experience working within a matrix organization, including cross-functional collaboration with manufacturing, producibility, and engineering teams, is highly desirable. Experience in support of engineering activities within a manufacturing environment is preferred. Background in aerospace systems and industrial power transmission products, including gearboxes and turbine-related applications, is preferred. What We Offer Some of our competitive benefits package includes: Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Ovia Health, fertility, and family planning Adoption Assistance Autism Benefit Employee Assistance Plan, including up to 10 free counseling sessions Healthy You Incentives, wellness rewards program Doctor on Demand, virtual doctor visits Bright Horizons, child and elder care services Teladoc Medical Experts, second opinion program And more! Learn More & Apply Now! We make modern flight possible for millions of travelers and our military every second. Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in-flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight! *Please ensure the role type (defined below) is appropriate for your needs before applying to this role. Onsite: 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. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again. Apply now and be part of the team that’s redefining aerospace, every day. 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 86,800 USD - 165,200 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. 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: Click on this link to read the 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.