Senior Principal Mechanical Engineer - Castings (Secret)

RTX; Austin (TX); On-site; USD 132,000 - 252,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Paid time off

Parental leave

Employee assistance program

Job summary

RTX is seeking a Senior Principal Mechanical Engineer (P5) to lead a multidisciplinary team in the Air Launched Effectors area. The role focuses on producible, affordable mechanical designs, supporting factories, suppliers, and cross-functional partners across development phases.

We require advanced experience in aluminum casting, GD&T, and FAI, with travel up to 75%. You will drive design reuse, DFMA, and tolerance analyses while adhering to Raytheon standards.

Qualifications

• Degree in Science, Technology, Engineering or Mathematics (STEM) required; 10+ years experience, or an advanced degree with 7+ years.
• Experience leading full development lifecycle in a technical setting.
• Experience with aluminum casting and machining processes.
• Willing to travel domestically up to 75% to casting/machining suppliers.
• Experience leading trade studies and supporting integration and test of mechanical products.
• Experience with First Article Inspection (FAI).
• Experience with ANSI/ASME Y14.5 GD&T and tolerance analysis.

Responsibilities

• Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items.
• Lead and mentor mechanical engineering teams while meeting schedule, cost, and technical objectives.
• Collaborate with cross-disciplinary teams to refine design solutions.
• Support factories and suppliers with product development, integration, troubleshooting, and obsolescence management.
• Apply thermal, structural, dynamic analysis results to improve designs.
• Develop and maintain the technical data package (TDP) and ensure compliance.
• Serve as responsible engineer or subsystem lead coordinating team work.
• Utilize Raytheon tools, processes, and standards across development phases.
• Support First Article Inspection (FAI) and RSI with Quality Engineering.
• Contribute to contract-funded and internal research projects.

Skills

Technical leadership

GD&T

FAI

Casting

CREO CAD

Missile programs

Supplier coordination

Education

Bachelor's in STEM

Advanced degree

Tools

CREO (Pro/E)

Job description

RTX is seeking a Senior Principal Mechanical Engineer (P5) to lead a multidisciplinary team in the Air Launched Effectors area. The role focuses on producible, affordable mechanical designs, supporting factories, suppliers, and cross-functional partners across development phases.

We require advanced experience in aluminum casting, GD&T, and FAI, with travel up to 75%. You will drive design reuse, DFMA, and tolerance analyses while adhering to Raytheon standards.