Senior Technician - Machining 4

Collins Aerospace; Leighton Buzzard; On-site; GBP 36,000 - 48,000; Full time

Benefits offered by this job

25 days Annual Leave + Bank Holidays

Fantastic Pension Scheme

Private Medical Insurance

Employee Assistance Programme

Job summary

Collins Aerospace is seeking a Senior Technician - Machining 4 in Leighton Buzzard to lead advanced CNC operations. You will set up, program (Fanuc), and optimise processes on 3- and 5-axis machines to produce high-precision aerospace components.

You will troubleshoot real-time issues, ensure quality and safety standards, and contribute to continuous improvement within the S&SP business, supporting on-time delivery and customer satisfaction at Collins Aerospace.

Qualifications

• Proven experience in CNC machining in precision engineering environments.
• Ability to set up and operate 3- and 5-axis CNC machines.
• Advanced knowledge of Fanuc controls and G/M code programming.
• Able to read and interpret complex engineering drawings and specs.

Responsibilities

• Perform detailed machine set-ups and operate 3- and 5-axis CNC machinery.
• Manage TPM and equipment readiness to ensure uptime.
• Troubleshoot machining issues in real time and optimise processes.
• Ensure adherence to quality standards and safe working practices.

Skills

CNC Milling/Turning

Fanuc controls

GD&T interpretation

Engineering drawings

Inspection equipment

Education

CNC qualification

Tools

CMM / inspection tools

Job description

Date Posted: 2026-10-22

Country: United Kingdom

Location: Leighton Buzzard, Bedfordshire

Position Role Type: Onsite

Job Opportunity: Senior Technician - Machining 4

Location: Leighton Buzzard – on site

Company: Collins Aerospace

Hours: 39 hours per week (fixed hours) 0700-1600 Mon -Thurs & 0700-1200 Fri

Are You Ready to Shape the Future of Aircraft Interior Components?

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?

The Senior Technician - Machining 4 role is a skilled specialist responsible for advanced CNC machining operations, including machine set-up, programming (G&M code/Fanuc), and process optimisation across 3- and 5-axis equipment.

Operating under moderate supervision, the role requires a high level of autonomy to plan and execute daily activities, troubleshoot machining issues in real time, and ensure the production of high-quality aerospace components. The role contributes directly to aftermarket production within the Service & Specialty Products (S&SP) business, supporting on-time delivery and customer satisfaction.

The position also plays a key role in continuous improvement, knowledge sharing, and mentoring, supporting team capability and operational performance.

Key Responsibilities

• Perform Total Productive Maintenance (TPM) to ensure machine readiness, reliability and longevity.
• Review and prioritise work orders in line with the production plan, validate technical documentation, drawings, and specifications to assist.
• Conduct detailed machine set-ups and operate CNC Machinery (3 and 5 axis) in accordance with standard procedures to produce precision aerospace components.
• Monitor production runs, ensuring adherence to quality and process standards.
• Diagnose and resolve machining issues in real time (tooling, programming, or process-related).
• Maintain compliance with EH&S, FOD, and 5S standards.
• Actively contribute to continuous improvement initiatives and process optimisation.

Required Skills & Experience

• Recognised CNC/NC qualification or good experience in CNC machining within a precision engineering environment.
• Strong experience with 3- and 5-axis CNC milling and/or turning
• Advanced understanding of Fanuc control systems and G&M code programming
• Ability to interpret complex engineering drawings and specifications
• Proficient in the use of inspection and measurement equipment

Preferred Skills & Experience

• Aerospace industry experience is desirable
• Focus on H&S.
• Process Improvement: Experience supporting process improvement projects.
• Strong communication skills

Why Join Us?

At Collins Aerospace, we believe in empowering our people to make a real difference. You’ll be part of a supportive, innovative team where your contributions are valued, and your career growth is encouraged. With excellent benefits, a flexible working environment, and the opportunity to work on cutting-edge aircraft interior components, this is the perfect chance to take your machining career to the next level.

What We Offer

• 25 days Annual Leave + Bank Holidays
• Fantastic Pension Scheme
• Private Medical Insurance
• Employee Assistance Programme for personal support
• Cycle to Work Scheme and other employee discounts

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

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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