Principal Mechanical Systems Engineer (Onsite)

RTX
Full_time•$101k-203k/year (USD)•United States

📍 Job Overview

  • Job Title: Principal Mechanical Systems Engineer (Onsite)
  • Company: RTX
  • Location: Windsor Locks, CT, USA
  • Job Type: Onsite
  • Category: Mechanical Engineering
  • Date Posted: 2025-06-09
  • Experience Level: 10+ years

🚀 Role Summary

  • Design and develop innovative hydro-mechanical and pneumatic control systems for critical military and commercial projects
  • Lead communication of requirements with the integrated product team and support testing to ensure systems meet or exceed specifications
  • Collaborate in a team environment to design functional system architecture and develop detailed functional schematics, concept layouts, and component details
  • Conduct design analyses, trade studies, and support testing to ensure systems meet project goals and customer requirements
  • Work on advanced systems and contribute to the development of future technologies in the aerospace industry

💻 Primary Responsibilities

  • System Design & Development:

    • Design and develop innovative hydro-mechanical and pneumatic control systems for critical military and commercial projects
    • Define system components using physics-based models and create detailed schematics and layouts
    • Conduct design analyses and trade studies to identify optimal solutions for both internal and external customer requirements

  • Team Collaboration & Communication:

    • Lead communication of requirements with the integrated product team to ensure alignment with project goals
    • Collaborate in a team environment to design functional system architecture and develop detailed functional schematics, concept layouts, and preliminary component details
    • Support testing for systems, subsystems, and components, and assist in design verification and certification tests

  • Project Management & Quality Assurance:

    • Manage system requirements and ensure they are met throughout the project lifecycle
    • Conduct design verification and certification tests, post-process, and analyze test results in relation to design specifications and objectives
    • Contribute to the development of future technologies and advanced systems in the aerospace industry

🎓 Skills & Qualifications

Education:

  • Degree in Science, Technology, Engineering, or Mathematics (STEM) with a minimum of 8 years of relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

Experience:

  • 10+ years of experience in mechanical systems design, with a focus on hydro-mechanical and pneumatic control systems
  • Proven experience in military and commercial project management, with a strong background in requirements management and system architecture development
  • Demonstrated experience in design verification and validation, and military certification processes

Required Skills:

  • Classical mechanical design analysis (spring design, beam equations, pressure vessels, fluid flow, and thermal conduction)
  • Equation/physics-based modeling experience in any coding language
  • Working knowledge of gas turbine engine systems
  • Strong analytical and problem-solving skills
  • Experience with SysML is a plus

Preferred Skills:

  • Bachelor's degree in mechanical, systems, or aerospace engineering
  • Experience with military certification processes and design verification and validation
  • Experience in the aerospace industry

📊 Web Portfolio & Project Requirements

  • Portfolio Essentials:

    • Detailed system design projects showcasing your ability to design innovative hydro-mechanical and pneumatic control systems
    • Project case studies demonstrating your experience in military and commercial project management, with a focus on requirements management and system architecture development
    • Examples of your proficiency in classical mechanical design analysis and equation/physics-based modeling

  • Technical Documentation:

    • Detailed system requirement specifications and design documents
    • Project management plans and quality assurance processes
    • Test plans, procedures, and results for system verification and validation

💵 Compensation & Benefits

Salary Range:

  • The salary range for this role is $101,000 - $203,000 USD. The salary range provided is a good faith estimate representative of all experience levels.

Benefits:

  • 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, such as 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, 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!

🎯 Team & Company Context

Company Culture:

  • RTX focuses on delivering a best-in-class experience to its customers by hiring top people in the industry and fostering a collaborative work environment
  • The company offers a comprehensive benefits package, including medical, dental, and vision insurance, a generous 401(k) plan, tuition reimbursement, and more

Team Structure:

  • The Mechanical Systems Engineering team at RTX consists of experienced professionals who collaborate to design and develop innovative hydro-mechanical and pneumatic control systems for critical military and commercial projects
  • The team works closely with the integrated product team to ensure alignment with project goals and customer requirements

Development Methodology:

  • RTX employs Agile methodologies, with a focus on iterative development, continuous improvement, and customer satisfaction
  • The company uses version control, automated testing, and continuous integration/continuous deployment (CI/CD) pipelines to ensure the quality and reliability of its products

Company Website: RTX Website

📝 Enhancement Note: RTX is an aerospace and defense company that specializes in the design, development, and manufacture of advanced mechanical systems for military and commercial applications. The company's Mechanical Systems Engineering team plays a critical role in the development of innovative hydro-mechanical and pneumatic control systems that meet or exceed customer requirements and performance expectations.

📈 Career & Growth Analysis

Mechanical Systems Engineering Career Level:

  • The Principal Mechanical Systems Engineer role at RTX is a senior-level position that requires a minimum of 10 years of experience in mechanical systems design, with a focus on hydro-mechanical and pneumatic control systems
  • This role offers the opportunity to lead critical military and commercial projects, collaborate with cross-functional teams, and contribute to the development of future technologies in the aerospace industry

Reporting Structure:

  • The Principal Mechanical Systems Engineer reports directly to the Mechanical Systems Engineering Manager and works closely with the integrated product team, other engineering disciplines, and cross-functional stakeholders to ensure project success

Technical Impact:

  • The Principal Mechanical Systems Engineer has a significant impact on the design, development, and testing of hydro-mechanical and pneumatic control systems for critical military and commercial projects
  • The role requires strong technical leadership, problem-solving skills, and the ability to manage complex projects and teams

Growth Opportunities:

  • Technical Growth: The Principal Mechanical Systems Engineer has the opportunity to develop expertise in advanced mechanical systems design, military certification processes, and design verification and validation
  • Leadership Growth: The role offers the potential to take on increased technical leadership responsibilities, mentoring junior engineers, and contributing to the development of the Mechanical Systems Engineering team's strategy and roadmap
  • Career Progression: With experience and demonstrated success, the Principal Mechanical Systems Engineer may have the opportunity to advance to a senior leadership role within the Mechanical Systems Engineering team or take on a broader technical or management role within RTX

📝 Enhancement Note: The Principal Mechanical Systems Engineer role at RTX offers a unique opportunity to work on cutting-edge mechanical systems design projects, collaborate with cross-functional teams, and contribute to the development of future technologies in the aerospace industry. The role requires strong technical leadership, problem-solving skills, and the ability to manage complex projects and teams. With experience and demonstrated success, the Principal Mechanical Systems Engineer may have the opportunity to advance to a senior leadership role within the Mechanical Systems Engineering team or take on a broader technical or management role within RTX.

🌐 Work Environment

Office Type:

  • RTX's Windsor Locks, CT, USA, location offers a modern, collaborative work environment with state-of-the-art facilities and equipment

Office Location(s):

  • 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA

Workspace Context:

  • The Mechanical Systems Engineering team at RTX works in a collaborative, open-plan office environment with access to specialized software, tools, and equipment
  • The team has access to dedicated meeting spaces, conference rooms, and training facilities to support project discussions, team-building activities, and professional development opportunities

Work Schedule:

  • The Principal Mechanical Systems Engineer role at RTX follows a standard 40-hour workweek, with the option for flexible working hours and remote work arrangements as needed
  • The role may require occasional overtime or on-call responsibilities to support project deadlines and testing activities

📝 Enhancement Note: The Principal Mechanical Systems Engineer role at RTX offers a modern, collaborative work environment with state-of-the-art facilities and equipment. The Mechanical Systems Engineering team works in an open-plan office environment with access to specialized software, tools, and equipment. The role follows a standard 40-hour workweek, with the option for flexible working hours and remote work arrangements as needed.

📄 Application & Technical Interview Process

Interview Process:

  1. Phone Screen: A brief phone conversation to discuss your qualifications, experience, and career goals (15-30 minutes)
  2. Technical Interview: A detailed discussion of your technical skills, experience, and portfolio (60-90 minutes)
    • Technical Questions: Prepare for questions related to mechanical systems design, hydro-mechanical and pneumatic control systems, classical mechanical design analysis, equation/physics-based modeling, and gas turbine engine systems
    • Portfolio Presentation: Be prepared to present your portfolio, highlighting your most relevant projects and accomplishments
  3. Behavioral Interview: An in-depth discussion of your problem-solving skills, teamwork, and cultural fit (60-90 minutes)
  4. Final Interview: A meeting with senior leadership to discuss your career aspirations, salary expectations, and next steps (60-90 minutes)

Portfolio Review Tips:

  • Highlight your most relevant projects, focusing on mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems
  • Include detailed system requirement specifications, design documents, and project management plans
  • Showcase your proficiency in classical mechanical design analysis, equation/physics-based modeling, and SysML
  • Demonstrate your experience in military and commercial project management, with a focus on requirements management and system architecture development
  • Include test plans, procedures, and results for system verification and validation

Technical Challenge Preparation:

  • Brush up on your mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems knowledge
  • Familiarize yourself with the latest industry trends, best practices, and emerging technologies in mechanical systems engineering
  • Prepare for hands-on design challenges, code reviews, and problem-solving exercises related to mechanical systems design and analysis

ATS Keywords:

  • Mechanical Systems Engineering, Hydro-Mechanical Control Systems, Pneumatic Control Systems, Gas Turbine Engine Systems, Classical Mechanical Design Analysis, Equation/Physics-Based Modeling, SysML, Military Certification Processes, Design Verification, Validation, Project Management, Requirements Management, System Architecture Development, Aerospace Industry Experience

📝 Enhancement Note: The Principal Mechanical Systems Engineer role at RTX requires a strong technical background in mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems. The interview process includes a technical interview focused on your technical skills, experience, and portfolio, as well as a behavioral interview to assess your problem-solving skills, teamwork, and cultural fit. Prepare for technical questions related to mechanical systems design, hydro-mechanical and pneumatic control systems, classical mechanical design analysis, equation/physics-based modeling, and gas turbine engine systems. Be ready to present your portfolio, highlighting your most relevant projects and accomplishments.

🛠 Technology Stack & Web Infrastructure

Mechanical Systems Design Tools:

  • Creo Parametric, Creo Simulate, and other tools from the PTC Creo suite
  • ANSYS Mechanical, ANSYS Fluent, and other tools from the ANSYS suite
  • SolidWorks, AutoCAD, and other CAD software tools
  • MATLAB, MathWorks, and other mathematical modeling software tools

Project Management & Collaboration Tools:

  • Microsoft Office Suite (Word, Excel, PowerPoint)
  • Microsoft Project, JIRA, or other project management software tools
  • SharePoint, OneDrive, or other cloud-based file sharing and collaboration platforms
  • Slack, Microsoft Teams, or other instant messaging and communication tools

Simulation & Analysis Tools:

  • COMSOL Multiphysics, Abaqus, or other finite element analysis software tools
  • Star-CCM+, OpenFOAM, or other computational fluid dynamics software tools
  • ANSYS Mechanical, ANSYS Fluent, or other finite element and computational fluid dynamics software tools

Documentation & Reporting Tools:

  • Microsoft Word, Google Docs, or other word processing software tools
  • LaTeX, Markdown, or other typesetting and documentation software tools
  • Microsoft PowerPoint, Google Slides, or other presentation software tools

📝 Enhancement Note: The Principal Mechanical Systems Engineer role at RTX requires proficiency in mechanical systems design tools, such as Creo Parametric, ANSYS Mechanical, SolidWorks, and MATLAB. The role also requires experience with project management and collaboration tools, such as Microsoft Office Suite, Microsoft Project, JIRA, and cloud-based file sharing platforms. Familiarity with simulation and analysis tools, such as COMSOL Multiphysics, ANSYS Mechanical, and Star-CCM+, is also essential for success in this role.

👥 Team Culture & Values

Mechanical Systems Engineering Values:

  • Innovation: RTX values innovation and encourages its Mechanical Systems Engineering team to push the boundaries of mechanical systems design and development
  • Collaboration: The company fosters a culture of collaboration and teamwork, with a focus on cross-functional collaboration and knowledge sharing
  • Quality: RTX is committed to delivering high-quality products that meet or exceed customer expectations and performance requirements
  • Safety: The company prioritizes safety in all aspects of its operations, with a focus on ensuring the safety of its products, employees, and the environment

Collaboration Style:

  • The Mechanical Systems Engineering team at RTX works in a collaborative, cross-functional environment, with a focus on knowledge sharing, technical mentoring, and continuous learning
  • The team uses Agile methodologies, with a focus on iterative development, continuous improvement, and customer satisfaction
  • The Mechanical Systems Engineering team works closely with other engineering disciplines, cross-functional stakeholders, and external partners to ensure project success

📝 Enhancement Note: The Mechanical Systems Engineering team at RTX values innovation, collaboration, quality, and safety in all aspects of its operations. The team works in a collaborative, cross-functional environment, with a focus on knowledge sharing, technical mentoring, and continuous learning. The Mechanical Systems Engineering team uses Agile methodologies, with a focus on iterative development, continuous improvement, and customer satisfaction. The team works closely with other engineering disciplines, cross-functional stakeholders, and external partners to ensure project success.

🌐 Challenges & Growth Opportunities

Technical Challenges:

  • Military Certification Processes: Navigating military certification processes and ensuring compliance with military standards and regulations
  • Design Verification & Validation: Conducting design verification and validation tests, post-processing, and analyzing test results in relation to design specifications and objectives
  • Emerging Technologies: Staying up-to-date with emerging mechanical systems design technologies, tools, and industry trends
  • System Integration: Collaborating with cross-functional teams to integrate mechanical systems with electrical, software, and other components

Learning & Development Opportunities:

  • Technical Skill Development: Developing expertise in advanced mechanical systems design, military certification processes, and design verification and validation
  • Leadership Development: Gaining experience in technical leadership, mentoring junior engineers, and contributing to the development of the Mechanical Systems Engineering team's strategy and roadmap
  • Career Progression: Advancing to a senior leadership role within the Mechanical Systems Engineering team or taking on a broader technical or management role within RTX

📝 Enhancement Note: The Principal Mechanical Systems Engineer role at RTX offers unique challenges and growth opportunities, including navigating military certification processes, conducting design verification and validation tests, staying up-to-date with emerging mechanical systems design technologies, and collaborating with cross-functional teams. The role also offers opportunities for technical skill development, leadership development, and career progression within the Mechanical Systems Engineering team or broader technical or management roles within RTX.

💡 Interview Preparation

Technical Questions:

  • Mechanical Systems Design: Describe your experience in designing hydro-mechanical and pneumatic control systems for military and commercial projects
  • Classical Mechanical Design Analysis: Explain your proficiency in classical mechanical design analysis, including spring design, beam equations, pressure vessels, fluid flow, and thermal conduction
  • Equation/Physics-Based Modeling: Discuss your experience with equation/physics-based modeling in any coding language, with a focus on mechanical systems design and analysis
  • Gas Turbine Engine Systems: Describe your working knowledge of gas turbine engine systems and their integration with hydro-mechanical and pneumatic control systems
  • Military Certification Processes: Explain your experience with military certification processes and ensuring compliance with military standards and regulations

Company & Culture Questions:

  • Company Culture: Describe what aspects of RTX's company culture appeal to you and how you would contribute to the team's success
  • Team Collaboration: Explain your experience working in a collaborative, cross-functional environment and how you would contribute to the Mechanical Systems Engineering team's success
  • Project Management: Discuss your experience with project management, with a focus on requirements management and system architecture development

Portfolio Presentation Strategy:

  • Project Selection: Choose projects that demonstrate your proficiency in mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems
  • Portfolio Organization: Organize your portfolio to highlight your most relevant projects, with a focus on mechanical systems design, classical mechanical design analysis, equation/physics-based modeling, and military certification processes
  • Presentation Structure: Use a structured approach to present your portfolio, with a focus on the project's objectives, design process, technical challenges, and outcomes

📝 Enhancement Note: The Principal Mechanical Systems Engineer role at RTX requires a strong technical background in mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems. Prepare for technical questions related to mechanical systems design, classical mechanical design analysis, equation/physics-based modeling, and military certification processes. Be ready to discuss your experience working in a collaborative, cross-functional environment and your approach to project management, with a focus on requirements management and system architecture development. Choose projects for your portfolio that demonstrate your proficiency in mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems, and organize your portfolio to highlight your most relevant projects and accomplishments.

📌 Application Steps

To apply for the Principal Mechanical Systems Engineer (Onsite) role at RTX:

  1. Review the Job Description: Carefully read the job description to ensure the role aligns with your qualifications, experience, and career goals
  2. Update Your Resume: Tailor your resume to highlight your relevant experience, skills, and accomplishments in mechanical systems design, hydro-mechanical and pneumatic control systems, and gas turbine engine systems
  3. Prepare Your Portfolio: Organize your portfolio to showcase your most relevant projects, with a focus on mechanical systems design, classical mechanical design analysis, equation/physics-based modeling, and military certification processes
  4. Research the Company: Familiarize yourself with RTX's company culture, values, and mission to ensure a strong fit with your personal and professional goals
  5. Apply Online: Submit your application through the RTX careers website and follow the prompts to upload your resume and portfolio

⚠️ Important Notice: This enhanced job description includes AI-generated insights and mechanical systems engineering industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Candidates must have a degree in STEM with a minimum of 8 years of relevant experience or an advanced degree with at least 5 years of experience. Preferred qualifications include a bachelor's degree in mechanical, systems, or aerospace engineering and experience in classical mechanical design analysis and the aerospace industry.