Flexion Inc. a Madison, WI based IT Consulting and Services firm is looking for a Platform Engineer to work on a consulting project. The client for this position is based in Madison, WI. - THIS ROLE IS REMOTE In Wisconsin only.

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Job Title: Platform Engineer- PERN Linux System

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

Candidate will have 5-7 years experience in:

· Manage and optimize PostgreSQL databases, including backups, replication, indexing, and query performance tuning.

· Deploy, configure, and maintain Express.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.

The most efficient way to reach our recruiting team is to submit your resume through the URL provided. If you have questions or would like more information about this job posting, or if you would like to know more about Flexion Inc. please contact Sally Harris 608-205-8785.

The compensation for this role ranges from $104,000- $114,000 annually.

Equal Employment Opportunity Employer

Required Skills

Required Experience

Bachelors with minimum 15 years experience or equivalent relevant work experience. Bachelors maybe substituted 2 for 1, in addition to the relevant work experience requirements.