Reliability Engineer – Defense Systems (Contract-to-Hire, In-Office)

Sigma Design; Costa Mesa (CA); On-site; USD 146,000 - 193,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

401(k) with company match

PTO 15 days

9 paid holidays

Quarterly bonus program

Voluntary benefits: vision, long-term+

Job summary

Sigma Design in Costa Mesa, CA is seeking a Reliability Engineer for a contract-to-hire, in-office role. You will perform reliability analyses, lead FMEA/FTA, and develop qualification and testing plans to ensure product robustness through design and production. The position requires 5+ years in similar roles and experience with defense/aerospace standards, with strong cross-functional collaboration.

Qualifications

• Bachelor's degree in a relevant engineering field.
• Minimum 5 years of experience as a Reliability Engineer or related role.
• Experience with MIL-STD aerospace/defense environments and reliability methodologies (FMEA/FMECA, FTA, Weibull).
• Strong analytical writing and cross‑functional collaboration skills.

Responsibilities

• Perform predictive reliability analyses (MTTF/MTBF, Weibull) to identify failure trends.
• Lead FMEA, FTA, and root-cause investigations to drive corrective actions.
• Develop qualification, environmental and accelerated life testing plans for reliability verification.
• Collaborate with design, manufacturing, quality and test teams to improve product reliability.

Skills

Reliability engineering

FMEA/FMECA

Fault Tree Analysis

Weibull analysis

Predictive reliability modeling

Analytical skills

Cross-functional collaboration

Education

Bachelor's degree in Mechanical Engineering/Aerospace Engineering/Systems Engineering

Master's degree preferred

Job description

Sigma Design in Costa Mesa, CA is seeking a Reliability Engineer for a contract-to-hire, in-office role. You will perform reliability analyses, lead FMEA/FTA, and develop qualification and testing plans to ensure product robustness through design and production. The position requires 5+ years in similar roles and experience with defense/aerospace standards, with strong cross-functional collaboration.