Senior Principal Certification Engineer

Date Posted:

2026-07-17



Country:

United Kingdom



Location:

Leighton Buzzard, Bedfordshire



Position Role Type:

Onsite

Title: Senior Principal Certification Engineer - Aftermarket

Location: Leighton Buzzard, United Kingdom

Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.

Collins Aerospace, an RTX company, provides and sets the standard for technologically advanced and intelligent solutions for the global aerospace and defence industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve and support customers’ toughest requirements and to meet the demands of a rapidly evolving global market. 

The Senior Principal Engineer- Structural Engineering will serve as the subject matter expert for certification compliance and airworthiness, responsible for executing STC, PMA, UK CAA and OEM certification programs, developing certification strategy, and developing Structural Engineers within the organization.

This is an onsite role in Leighton Buzzard, UK.

What you will do

• Defines standards and implements processes for certification and airworthiness within the engineering organization.
• Executes certification compliance campaigns for programs related to commercial aircraft interior upgrades.
• Partners with regulators, aircraft OEMs and organizations across Collins on certification strategies to enable and grow the aftermarket business.
• Coordinates with management to develop training plans, and mentors team members for discipline advancement.
• Reviews and approves test plans, reports, compliance documents, and witnesses testing.
• Conducts root cause analysis, participates in and facilitates continuous improvement activities to improve performance.
• Identifies and reacts to complex project problems, develops and implements solutions.

Experience & Qualifications we prefer:

• Minimum of 5 years’ experience in a similar role is essential.
• Experience working in aerospace environment is essential, ideally within In Service/Aftermarket.
• Extensive Experience with aircraft OEM, FAA and/or EASA aircraft certification processes.
• M1020 Signatory experience is also essential
• Experience in the design and certification of mechanical and electrical systems for commercial aircraft interior products.
• Current EASA/ UK CVE or Company equivalent within Part 25.

What You Will Learn:

Professional Development: Gain access to company-sponsored certifications and training programs, mentorship and guidance from industry leaders, opportunities to develop your leadership skills by driving exciting high-impact projects and initiatives. Thrive in a culture of continuous learning and innovation, where curiosity is encouraged and supported. 

What we offer

• 25 days annual leave + bank holidays
• Competitive Salary
• Bonus Scheme
• Car allowance
• Fantastic pension scheme
• Critical illness cover.
• Income Protection
• Private Medical Insurance, Employee Assistance Programme, the ability to buy holidays, a cycle to work scheme & other great employee discounts

At Collins Aerospace, our Interiors team is focused on innovation, safety and cost efficiency. But we don’t just get people from point A to point B. We’re committed to making air travel more comfortable, connected and secure. As a leader in aviation interior products and services, we’re helping airlines and original equipment manufacturers create a positive experience for their customers. With offices and manufacturing facilities in more than 12 states across the U.S. and more than 10 countries around the globe, we’re changing the game of aircraft interiors. Are you ready to join our team

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.  

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