What are the responsibilities and job description for the Platform Engineer PERN Linux System -Only Local Wisconsin Candidate position at ISR Info Way, Inc.?
Job Details
Role: Platform Engineer PERN Linux System
Job Title: DevOps Engineer III
Location: Remote from anywhere in Wisconsin (Only Wisconsin Candidate needed)
Position Summary:
We are seeking a skilled Platform Engineer to manage, maintain, and optimize our on-premise commercial software applications built on PostgreSQL, Express.js, React, and Node.js. The ideal candidate will be responsible for deploying, monitoring, securing, and scaling the PERN stack infrastructure within a Linux-based virtualized environment. This role requires expertise in database administration, Linux system management, scripting/automation, and security best practices. This role also includes app administration, installation, deployments, configurations, versioning, app patching, performance monitoring and optimizations.
Key Responsibilities:
Platform Administration & Maintenance
- Manage and optimize PostgreSQL databases, including backups, replication, indexing, and query performance tuning.
- Deploy, configure, and maintain js, React, and Node.js applications on Linux virtual machines. This includes NGINX and PM2 platforms.
- Oversee on-premises system infrastructure, ensuring high availability and performance.
- Implement and maintain CI/CD pipelines for automated deployments.
- Troubleshoot and resolve system, application, and network issues.
Security & Operations
- Review system hardening, data encryption, and access control policies align with security best practices.
- Work with other teams to monitor vulnerabilities and apply security patches and updates.
- Assist in defining firewall rules, intrusion detection, and role-based access control (RBAC).
- Review compliance with data governance and regulatory requirements.
- Ensure proper backup, disaster recovery, and redundant configurations.
Support & Documentation
- Provide technical support for platform-related issues and troubleshooting.
- Maintain clear documentation for deployments, configurations, and troubleshooting guides.
- Train and support developers and IT staff on best practices and operational procedures.
Required Skills & Qualifications:
- Strong expertise in PostgreSQL administration, including replication, backup strategies, and performance tuning.
- Experience deploying PERN stack applications in a cloud or on-premises environment.
- Knowledge of CI/CD tools like GitHub actions, Azure Devops pipelines, or Ansible for automation.
- Scripting and automation experience with Bash, Python or similar scripting.
Preferred Qualifications:
- Prior experience in IT infrastructure, DevSecOps, or SRE roles.
- Proficiency in Linux app and database server administration, with experience such as Ubuntu or RHEL.
- Understanding of network security, firewalls, VPNs, and SSH hardening.
- Knowledge of OpenID Connect (OIDC) or Ldap as well as IAM tools such as Entra ID, Okta, Active Directory, or centralized authentication mechanisms.
- Familiarity with virtualization platforms (VMware or Hyper-V).
