Linux Infra Administrator — Airgapped Research Network

Battelle; Columbus (OH); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Flexible schedule

Paid time off (PTO)

Medical, dental, and vision coverage

401(k) with employer match

Tuition assistance

IRAD program participation

Job summary

Battelle in Columbus, Ohio, invites an experienced Linux Infrastructure Administrator to join a mission-driven, airgapped research network supporting 70+ scientists. You will manage virtualization, storage, identity, security hardening, automation, and observability across a petabyte-scale environment aiming for CMMC Level 2 compliance.

As part of a small, agile team, you will design, automate, and operate enterprise Linux services, NAS storage, and containerized workloads, with a focus on

Qualifications

• Experience with Linux systems administration in an enterprise or research environment.
• Experience with Linux domain administration, identity or directory services, centralized authentication, and host lifecycle management.
• Knowledge of networking fundamentals including TCP/IP, VLANs, firewalls, VPNs, and multi-site architectures.
• Experience with configuration management and automation tools such as Ansible, Puppet, Chef, or Salt.
• Experience with containerization and container orchestration technologies.
• Storage administration experience including RAID, volume management, network file shares, backup, and recovery.
• Strong Python and Bash scripting fundamentals.
• Virtualization experience with enterprise hypervisors such as VMware, Hyper-V, KVM-based platforms, or similar technologies.
• U.S. citizenship required.
• Ability to obtain and maintain a DoD Secret clearance.

Responsibilities

• Administer Linux domain services including identity, authentication, DNS/NTP, and certificate services across an airgapped, multi-site environment.
• Build, deploy, and maintain virtual machines and services on enterprise virtualization platforms such as VMware, Proxmox, Nutanix, or similar technologies.
• Develop and maintain Ansible playbooks and provisioning workflows for repeatable, automated system configuration.
• Administer enterprise storage infrastructure including NAS platforms, network file shares, and object storage.
• Support network operations including VLAN segmentation, enterprise firewall rule management, site-to-site VPN, and remote-access VPN.
• Deploy and operate containerized services and support migration of core services to a container orchestration platform.
• Implement and maintain security hardening, patching, file integrity monitoring, and audit logging in a disconnected environment.
• Support compliance activities aligned to CMMC Level 2 / NIST SP 800-171, including evidence collection and configuration baselines.
• Collaborate closely with researchers and technical staff to improve reliability, automation, and usability of shared infrastructure.

Skills

Linux administration

Domain administration

Networking fundamentals

Automation tools

Containerization

Storage administration

Python scripting

Bash scripting

Virtualization

DoD clearance

U.S. citizenship

Tools

VMware

Proxmox

Nutanix

Job description

Battelle in Columbus, Ohio, invites an experienced Linux Infrastructure Administrator to join a mission-driven, airgapped research network supporting 70+ scientists. You will manage virtualization, storage, identity, security hardening, automation, and observability across a petabyte-scale environment aiming for CMMC Level 2 compliance.

As part of a small, agile team, you will design, automate, and operate enterprise Linux services, NAS storage, and containerized workloads, with a focus on