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Principal Software Engineer - Platform Engineering

Liberty Mutual

Salary not specified
Oct 3, 2025
Boston, MA, USA • Indianapolis, IN, USA • Portsmouth, NH, USA • Columbus, OH, USA
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Liberty Mutual is seeking an experienced Principal Software Engineer to join the GRS Platform Engineering Team to help drive high performance engineering by advising and consulting on public cloud usage for the GRS Tech global environments that focuses on optimizing existing and new environments for cost, performance, and design.

Requirements

  • Expertise in AWS services and platforms including RDS, Containers, Lambda, EC2, and GitHub Actions CI/CD pipelines.
  • Experience with cloud networking concepts including VPCs, Peering, PrivateLink, and security groups
  • Expertise in cloud Identity and Access Management concepts, preferably AWS IAM
  • Experience with Python, TypeScript, CDK, and CloudFormation technologies, with proven experience building and maintaining cloud-based applications.
  • 5+ years’ experience delivering highly available enterprise grade applications, including a strong focus on security, monitoring, observability, and production support.
  • Experience with the concepts and strategies behind Disaster Recovery (DR)/High Availability (HA) and resilient cloud-based applications
  • Skilled in utilizing tools such as Splunk, Datadog, and CloudWatch to extract insights and troubleshoot issues

Responsibilities

  • Partner with GRS Tech teams from around the globe to provide guidance and advice to optimize public cloud usage and spend, as well as promote and support the use of Platform Engineering solutions and best practices.
  • Provide consultation on cloud architectures to application teams
  • Develop and maintain cloud enablement solutions market-wide across many cloud accounts.
  • Contribute to and own centrally managed cloud patterns, templates, libraries, and generators.
  • Lead research and proof-of-concept initiatives to develop creative solutions for engineering enablers, tools and reuse patterns.
  • Drive improvement in Agile practices within self-organized team and share ownership of Agile ceremonies with all team members.
  • Provide production support as needed.

Other

  • Eight or more years of software engineering experience
  • Strong background in business operations and strategies, including global technology and financial services trends
  • Hands-on involvement with layered systems architectures, designs and shared software concepts
  • Familiarity with functional and system integration testing
  • Experience working in an agile environment