Sr Aircraft Systems Engineer-Nov 2025

Our client in California specializing in major modification programs for transport-category aircraft is seeking a Sr Systems Principal Engineer. This role is ideal for a senior engineer with broad experience in aircraft modification and certification programs particularly those involving Aircraft systems integration.

The position will begin as a short-term contract to assess mutual fit. Upon successful completion a full-time offer may be extended

Ideal Candidate would have the following experience

• Have worked on hydraulics pneumatics environmental control and systems integration with a general knowledge of electrical integration such as installations of electric harnesses etc.
• Oversee system installation routing wiring and integration with the structure.
• A strong understanding of certification compliance for aircraft systems
• Review and approve system schematics and block diagrams.
• Define system architecture and interfaces between subsystems
• Works closely with DERs or CVEs on system-level substantiation testing and certification documentation.

• Lead and coordinate engineering activities for aircraft modification programs including design analysis certification and parts procurement.

• Provide technical oversight for both mechanical and electrical system integration ensuring compliance with FAA/EASA certification requirements.

• Interface with internal engineering teams DERs suppliers and certification authorities.

• Support project scheduling resource planning and risk assessment for ongoing and upcoming programs.

• Contribute to design reviews drawing releases and stress and system verification documentation.

• Oversee integration between structural modifications and aircraft systems (hydraulic pneumatic ECS electrical routing etc.).

• Passenger-to-freighter (P2F) conversion programs for major transport-category aircraft.

• Design analysis and certification support for large-scale modification programs including fuselage cutouts floor structures cargo door installations and systems rerouting.

• Bachelors degree in Aerospace or Mechanical Engineering (Masters preferred).

• 10 years of relevant engineering experience in transport-category aircraft modification or certification programs.

• Proven experience managing multi-disciplinary teams and complex modification projects.

• Strong understanding of mechanical systems airframe structures and system-to-structure integration.

• Familiarity with electrical systems and certification requirements expert-level electrical experience is not required but the candidate should be comfortable overseeing cross-disciplinary integration.

• Experience with FAA STC processes and working with ODA/DERs preferred.

• Excellent communication leadership and problem-solving skills.
  
  

  If interested please send your updated resume in Word doc format to Kevin at with preferred pay requirements and availability and we will follow up very shortly.

  Keltia is a technical support services company providing Engineering Design CAD Training along with Specialized Technical Recruiting services around the US Canada and Europe. We have been in business in Seattle for 25 years