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# Linux Systems Engineer / Infrastructure Administrator

- **Company:** BLUE HERON
- **Location:** Fremont, IN, United States
- **Salary:** $60,000.0 - $95,000.0
- **Contract:** Permanent contract
- **Skills:** Proxmox, Active Directory, Bash Shell, Ubuntu (Operating System), Command-Line Interface, Cyber Security, Learning Management Systems, Dynamic Host Configuration Protocol, Debian Linux, Linux, Disaster Recovery, Domain Name System (DNS), Hyper-V, Identity and Access Management, Virtual Private Networks (VPN), Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Linux Servers, MariaDB, Moodle, MySQL, Network Architecture, Nginx, Windows PowerShell, Reverse Proxy, Single Sign-On, Transmission Control Protocol (TCP), Virtualization Technology, Backup and Restore, Private Cloud Environment, Okta, Firewalls (Computer Science), Git, Containerization, Information Technology, PfSense, Docker, Vmware
- **Published:** August 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=fb99b554c465f548

## About the Role

* Professional experience administering Linux servers (Ubuntu or Debian preferred)
 * Strong command-line experience
 * Experience with Docker and containerized applications
 * Understanding of TCP/IP networking
 * Experience with DNS, DHCP, VPNs, and firewalls
 * Knowledge of Active Directory and LDAP
 * Experience with backup and disaster recovery
 * Bash scripting experience
 * Strong troubleshooting and analytical skills
 * Excellent written and verbal communication
 * Ability to work independently and manage multiple projects, Experience with one or more of the following:
 * Proxmox VE
 * VMware
 * Hyper-V
 * Synology DSM
 * Nextcloud
 * Mailcow
 * Keycloak
 * Moodle LMS
 * Nginx Proxy Manager
 * OPNsense or pfSense
 * MySQL or MariaDB
 * Git
 * Python
 * PowerShell
 * SSL/TLS certificates
 * Manufacturing IT environments

## Description

We are seeking a motivated and highly skilled Linux Systems Engineer to join our growing team.

This is not a traditional help desk position. You will design, deploy, maintain, and improve Linux-based infrastructure for both Blue Heron InfoTech and our customers. Projects range from private cloud deployments and virtualization to identity management, secure business email, backup systems, and enterprise collaboration platforms.

You'll work directly with experienced engineers on real-world projects while helping build the technical foundation of a growing technology company.

Responsibilities

 * Design, deploy, and maintain Linux server infrastructure.
 * Configure and manage Docker and Docker Compose environments.
 * Deploy and administer Proxmox virtualization platforms.
 * Implement and support Nextcloud private cloud solutions.
 * Configure and maintain Keycloak identity management and Single Sign-On (SSO).
 * Deploy and administer Mailcow business email systems.
 * Install and support Moodle Learning Management Systems.
 * Configure Synology NAS storage, replication, and backup strategies.
 * Configure Nginx Proxy Manager and reverse proxy environments.
 * Manage DNS, DHCP, VPNs, firewalls, and network infrastructure.
 * Integrate Linux systems with Microsoft Active Directory and LDAP.
 * Monitor server health, performance, and security.
 * Develop automation using Bash, Python, or PowerShell.
 * Troubleshoot Linux, networking, and virtualization issues.
 * Create and maintain technical documentation.
 * Participate in customer implementations and occasional onsite installations.
 * Assist with disaster recovery planning and business continuity solutions.
 * Stay current with emerging technologies and security best practices., Our engineers work on a wide variety of technologies including:
 * Linux Infrastructure
 * Private Cloud
 * Virtualization
 * Identity Management
 * Single Sign-On
 * Cybersecurity
 * Backup & Disaster Recovery
 * Business Email
 * Learning Management Systems
 * Network Infrastructure
 * Storage Solutions
 * Automation

Every week brings new projects and new opportunities to learn.

What Success Looks Like

Within your first year, you'll be able to:

 * Deploy complete Linux server environments.
 * Implement secure customer infrastructure.
 * Configure virtualization platforms.
 * Deploy Nextcloud, Mailcow, and Keycloak solutions.
 * Implement backup and disaster recovery strategies.
 * Troubleshoot complex infrastructure issues independently.
 * Produce high-quality technical documentation.
 * Assist with customer implementations from planning through deployment.


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