Senior Linux Platform Engineer — Secure Infra & Automation

Judge Group, Inc.; Cambridge (MA); On-site; USD 90,000 - 110,000; Full time

Job summary

Judge Group, Inc. seeks a Senior Linux Platform Engineer in Cambridge, MA to build, automate, and operate secure, scalable infrastructure supporting modern software delivery. The role requires deep expertise in Linux administration, Kubernetes, containerization, CI/CD, and infrastructure automation.

An active Secret clearance is mandatory. You will design, deploy, and manage Linux-based platforms, container environments with Podman/Kubernetes, and IaC with Ansible, while developing CI/CD

Qualifications

• 5 years of Linux administration experience, preferably with RHEL.
• 3 years of experience with Kubernetes in production environments.
• Experience with Podman, Docker, or similar container technologies.
• Strong expertise in Ansible and Infrastructure as Code practices.
• Experience building and supporting GitLab CI/CD pipelines.
• Hands-on experience with HashiCorp Vault and Sonatype Nexus.
• Proficiency in Python scripting and automation.
• Strong knowledge of Linux networking, security hardening, and system troubleshooting.
• Experience implementing monitoring and observability solutions.

Responsibilities

• Design, deploy, and manage Linux-based platform infrastructure with a focus on automation, reliability, and security.
• Build and support containerized environments using Podman and Kubernetes.
• Develop Infrastructure as Code solutions using Ansible, including reusable playbooks, roles, and collections.
• Create and maintain CI/CD pipelines in GitLab, incorporating testing, security scanning, and automated deployments.
• Manage Sonatype Nexus repositories for container images, Helm charts, and software packages.
• Deploy and administer HashiCorp Vault for secrets management and credential rotation.
• Build automation tools and integrations using Python.
• Implement monitoring, logging, and alerting solutions for platform services.
• Partner with engineering, security, and SRE teams to establish platform standards and best practices.
• Mentor engineers on automation, Kubernetes, and DevOps methodologies.

Skills

Linux administration

Kubernetes

Podman/Docker

Ansible/IaC

GitLab CI/CD

HashiCorp Vault

Nexus Repository

Python

Networking & security

Monitoring/observability

Tools

Podman

Docker

GitLab CI

HashiCorp Vault

Nexus Repository Manager

Ansible

Packer

Helm

Kubernetes

Python

Job description

Judge Group, Inc. seeks a Senior Linux Platform Engineer in Cambridge, MA to build, automate, and operate secure, scalable infrastructure supporting modern software delivery. The role requires deep expertise in Linux administration, Kubernetes, containerization, CI/CD, and infrastructure automation.

An active Secret clearance is mandatory. You will design, deploy, and manage Linux-based platforms, container environments with Podman/Kubernetes, and IaC with Ansible, while developing CI/CD