Senior Platform Engineer

Plymouth Rock Assurance•Boston, MA
•$135,000 - $192,000

About The Position

The Senior Platform Engineer will join the infrastructure team to advance AWS cloud capabilities, application modernization, and internal developer tooling. The role designs, builds, and maintains production-grade AWS infrastructure and container platforms with a focus on high availability, security, and cost efficiency. The engineer develops cloud-native architectures and automated platforms—including Kubernetes, serverless, infrastructure as code, golden paths, and CI/CD pipelines—to help software engineering teams deliver code quickly and securely. The position also involves technical migration and optimization initiatives, security and observability controls, cross-functional technical planning, documentation, and support for cloud infrastructure issues during and outside business hours.

Requirements

  • Engineering degree, a degree in a related technical field, or equivalent practical experience.
  • At least 7 years of hands-on AWS Cloud and Platform Engineering experience.
  • Advanced expertise writing scalable, production-grade Terraform modules; familiarity with CloudFormation.
  • Proven experience building and managing production Kubernetes (EKS) clusters and Docker workloads at scale.
  • Strong proficiency in Python and/or Go or Bash for system automation, cloud APIs, and platform integration.
  • Deep knowledge of AWS networking concepts, including VPCs, Transit Gateways, VPNs, Security Groups, Route Tables, Subnets, and DNS, across multi-account architectures.
  • Hands-on experience constructing and managing pipelines in GitHub Actions and Jenkins or similar tools.
  • Experience implementing observability stacks such as Prometheus, Grafana, AWS CloudWatch, and CloudTrail.

Responsibilities

  • Design, implement, and operate resilient, secure, and scalable AWS infrastructure for proprietary services and enterprise applications.
  • Automate infrastructure delivery using Terraform and establish modular design standards, pattern libraries, and GitOps best practices.
  • Configure, scale, and maintain golden paths for Amazon EKS and Docker environments supporting highly available production workloads.
  • Lead AWS technical migration and optimization initiatives, including architecture assessments, execution, and risk mitigation.
  • Build, optimize, and secure automated delivery pipelines using GitHub, Jenkins, or similar deployment tools.
  • Implement and enforce security controls for IAM, VPC configuration, encryption at rest and in transit, and audit logging in alignment with frameworks such as NIST and ISO 27001.
  • Implement monitoring, logging, and tracing solutions such as Prometheus, Grafana, CloudWatch, and CloudTrail to support incident response and service health.
  • Partner with Application Engineering, InfoSec, and Architecture teams to align technical roadmaps, establish standards, and maintain technical documentation.
  • Provide technical support and resolve cloud infrastructure issues during and outside business hours.
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