Build Reliability Engineer — Defense Systems

Castelion Corporation; Torrance (CA); On-site; USD 110,000 - 150,000; Full time

Job summary

Castelion is seeking a Build Reliability Engineer to lead reliability and quality initiatives across design, manufacturing, and operations. You will develop internal processes and manufacturing software to optimize workflows and ensure high-quality output.

You will guide teams through reliability assessments, root cause analyses, and corrective actions, ensuring compliance with industry standards and U.S. regulations while supporting rapid growth in a fast-paced defense environment.

Qualifications

• Minimum 4+ years in reliability and/or quality engineering role.
• Experience in aerospace or defense/government programs is highly desirable.
• Experience with implementation and enhancement of Manufacturing Enterprise Software.
• Excellent verbal and written communication skills, with the ability to present complex technical information to diverse audiences.
• Strong analytical and problem-solving skills, with a track record of implementing effective solutions to complex reliability and quality challenges.
• Experience supporting diverse, high volume, production teams during production ramp-up.
• Knowledge of quality tools such as Lean principles, Six Sigma, Root Cause Analysis and Corrective Action, APQP, PFMEA, Control Plans, and various problem-solving approaches.
• Dedicated to adopting a Lean approach to quality without compromising safety or reliability.

Responsibilities

• Collaborate with design, manufacturing, and operations to integrate reliability and quality into the product lifecycle.
• Participate in design-for-manufacturability and inspectability reviews.
• Review and approve process plans, specifications, and build documentation for regulatory compliance and quality objectives.
• Support development of internal processes and software to optimize production efficiency and change control.
• Lead and participate in ECR/ECO processes with traceability and impact alignment.
• Develop and implement QC processes, standards, and planning with internal and external compliance in mind.
• Identify and deploy measurement equipment and validation methods to ensure inspection effectiveness.
• Use data to monitor reliability, drive improvements, and communicate findings to stakeholders.

Skills

Reliability engineering

Quality engineering

Lean principles

Six Sigma

Communication skills

Tools

PFMEA

Root Cause Analysis

MSA

FMEA

Job description

Castelion is seeking a Build Reliability Engineer to lead reliability and quality initiatives across design, manufacturing, and operations. You will develop internal processes and manufacturing software to optimize workflows and ensure high-quality output.

You will guide teams through reliability assessments, root cause analyses, and corrective actions, ensuring compliance with industry standards and U.S. regulations while supporting rapid growth in a fast-paced defense environment.