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# Senior Storage Administrator/Engineer

- **Company:** Cornerstone Defense
- **Location:** Annapolis, MD, United States
- **Experience:** Expert
- **Salary:** $210,000.0 - $230,000.0
- **Contract:** Permanent contract
- **Skills:** Backup Devices, Command-Line Interface, Cyber Security, IBM Systems Network Architecture, NetBackup, NetApp Applications, Oracle (Applications), Virtual Machines, Backup and Restore, Information Security Management System, ZFS File System, Cyber Warfare, Commvault
- **Published:** September 20, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=414ecc318ca28580

## About the Role

* Security+ CE or higher-level cybersecurity certification.
 * Minimum 10 years of relevant experience as a Systems Administrator or Storage Administrator.

## Description

Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *, The Senior Storage Administrator/Engineer supports the Corporate Storage Team by providing expert-level technical, operational, and analytical support for enterprise backup systems, storage arrays, SAN environments, and related infrastructure. This role is responsible for maintaining, troubleshooting, and enhancing backup and storage capabilities while ensuring system security, resiliency, and compliance. The position operates out of Emerson 6 and includes scheduled rotational on-call duties for after-hours support.

Core Tasks:

 * Conduct deliberate analysis supporting DoD cyber workforce, cyber operations forces, and readiness policy development.
 * Monitor and manage enterprise backup systems, including NetBackup, Cohesity, Commvault, and Rubrik platforms.
 * Work directly with customers to onboard new servers and virtual machines into backup solutions and troubleshoot related issues.
 * Configure new backup solutions as they are procured and brought into the environment.
 * Troubleshoot and coordinate break/fix efforts for backup appliances (NetBackup, Cohesity, Rubrik) and storage arrays including Oracle ZFS, NetApp, Vast, and IBM systems.
 * Monitor, diagnose, and resolve SAN issues, including command-line troubleshooting and zoning configuration.
 * Collaborate with the ISSO to ensure security vulnerabilities are properly remediated and systems remain compliant.
 * Support ISSO activities related to System Security Plan (SSP) re-authorization.
 * Maintain reliable daily operations and support after-hours requirements via rotational on-call responsibilities.