Platform Engineer - PERN Linux system

Platform Engineer - PERN Linux system/Devops III
Location: Madison, WI (Remote)
Candidate should be local to WI.
Duration: 5 to 6 months extendable
Positon type: Contract

Position Summary:

We are seeking a skilled Platform Engineer to manage, maintain, and optimize our on-premises 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 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 in the best practices and operational procedures.

Top Required Skills & 5-7 Years of Experience:

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.

Nice to Have Skills:

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 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)

This is a Repost of 141221.

Role: Platform Engineer PERN Linux System

Location: Remote from anywhere in Wisconsin

The State of Wisconsin is looking for a DevOps Engineer -III

Position Summary:

We are seeking a skilled Platform Engineer to manage, maintain, and optimize our on-premises 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 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 in the best practices and operational procedures.

Top Required Skills & 5-7 Years of Experience:

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.

Nice to Have Skills:

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 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).

Interview Process:

• 1-2 rounds. Platform: Microsoft Teams

Contract Duration:

• 06/30/2025 with possibility of extension

Onsite or Remote?

Candidate MUST be CURRENT WI resident. NO RELOCATION ALLOWED. All work must be done within the State of Wisconsin.

100% remote work is an option. Can accommodate if a candidate wants to work onsite.

Will this position have access to FTI (Federal Tax Information)?

• Yes

Travel Required?

• No

Security Required?

• Yes- Fingerprinting is required if working in the Data Center.