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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-level Linux Infrastructure Administrator - **Company:** Battelle Memorial Institute - **Location:** Columbus, OH, United States - **Experience:** Experienced - **Salary:** $110,000.0 - $140,000.0 - **Contract:** Permanent contract - **Skills:** Proxmox, Artificial Intelligence, Business Analytics Applications, Audit Trail, Bash Shell, Configuration Management, Continuous Integration, Linux, RAID, Domain Name System (DNS), Hyper-V, Hypervisor, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Python (Programming Language), Kerberos (Protocol), Kernel-Based Virtual Machine, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Networking Basics, OpenID, Public Key Infrastructure, Ansible, Security Information and Event Management, TCP/IP, Virtual Local Area Networks, Virtual Machines, Virtualization Technology, Graphics Processing Unit (GPU), Computer Network Operations, Firewalls (Computer Science), Containerization, Kubernetes, Bare Metal, Data Management, Machine Learning Operations, Nutanix, Puppet, Comptia Linux+, Vmware - **Published:** October 26, 2026 - **Apply:** https://www.columbusjobsite.com/job.asp?id=3468635535&tx=KJ6969FFJ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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., * Experience administering airgapped, disconnected, or classified networks, including offline mirrors, removable-media transfer, and manual patch workflows. * STIG, CIS benchmark, or other compliance baselining experience; familiarity with NIST SP 800-171 / CMMC. * Identity and access management experience including directory services, LDAP/Kerberos, SSO/OIDC, PKI, and hardware-token deployment. * Distributed NAS administration experience. * Database administration experience in relational and/or search and analytics platforms. * Monitoring and SIEM experience including metrics and dashboarding, log aggregation, and host-based intrusion detection. * Experience with CI/CD and artifact management including pipelines, container registries, and offline package mirrors. * Experience with bare-metal and golden-image provisioning tooling. * Experience supporting GPU compute clusters or self-hosted AI/ML inference workloads. * Experience establishing, writing, and enforcing infrastructure policy. * Ability to work independently with minimal oversight. * Relevant certifications such as RHCSA, CompTIA Linux+, or Security+ (DoD 8570 IAT Level II). ## Description Battelle's Cyber Business Line is seeking a mid-level Linux Infrastructure Administrator to help operate and grow an airgapped, multi-site research network supporting 70+ scientists and engineers. This role spans the full infrastructure stack-virtualization, identity, storage, networking, automation, and observability-within a petabyte-scale environment working toward CMMC Level 2 compliance., As a Linux Infrastructure Administrator, you will work within a small, agile infrastructure team with broad ownership of the systems researchers depend on every day. This includes supporting enterprise virtualization, storage, networking, security hardening, automation, and GPU-enabled environments for offline AI/ML workloads. You will have the opportunity to design, automate, and improve infrastructure in a highly mission-focused, closed-network environment., * 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.