Principal Site Reliability Engineer

Raytheon Technologies Winnersh, England May 12, 2026

Type Full Time
Pay Not listed
Work Hybrid
Level Senior

This Principal Site Reliability Engineer opportunity is built around own one or more AWS hosted infrastructures delivering products to our commercial customers in a B2B model. It would suit someone who can bring call roster supporting critical service incidents to the role.

Where ownership sits

Flexibility to be available for team meetings as early as 9:00 AM Eastern to accommodate team members in the UK and India. Learn to innovate and create new infrastructure and systems in a supportive team who value new ideas.

Technical work involved

Own one or more AWS hosted infrastructures delivering products to our commercial customers in a B2B model. Delivering using an agile pattern with our customers so you should be used to working on features for continuous test and release. Help and influence other members of the team in using the right AWS tools to scale the features we are delivering for our customers.

What helps in this technical setting

Call roster supporting critical service incidents.

Technical skills and experience

  • Extensive experience delivering and operating complex, large-scale cloud systems (AWS preferred), supported by a degree in a relevant STEM field (Bachelor’s or advanced degree requ.
  • Experience managing AWS ECS clusters and working with systems hosted in SQL based databases like PostgreSQL, and RabbitMQ message brokers.
  • Experience with system design consulting, platform management, and capacity planning for AWS & CloudFormation experience.
Career guide

Learn more about this role

Explore the matching JobPedia guide for deeper duties, skills, salary context, and career paths.

JobPedia role guide

What does a Reliability Engineer actually do?

Explore the real work behind the title, from day-to-day responsibilities to how the role works in practice for Reliability Engineer.

Keep exploring similar roles

Search for more Principal Site Reliability Engineer jobs from Raytheon Technologies in Winnersh, England.