Senior System Administrator (Linux)

Location: Beavercreek, Ohio, United States. The role requires assigned shift coverage and regular onsite weekend health checks; candidates are preferably within a commute of less than 30 minutes.

Company

hirify.global builds software that enables informed decisions from raw intelligence data, specializing in satellite collection as a Dayton-based defense startup.

What you will do

• Administer Linux servers and supporting infrastructure, including installation, configuration, services, permissions, patching, and log analysis.
• Monitor application and database health, identify degraded services, and resolve or escalate operational issues with clear diagnostics.
• Troubleshoot production issues across servers, storage, networking, application dependencies, and relational databases.
• Monitor system health, remediate vulnerabilities, manage backups, and validate recovery procedures.
• Keep customers and teammates informed during incidents, provide clear shift handoffs, document procedures, and train teammates.
• Support modernization of established systems while covering assigned shifts and onsite weekend health checks.

Requirements

• Bachelor’s degree in an IT field such as Computer Science or Management Information Systems.
• Ten or more years of experience in systems administration or closely related infrastructure operations.
• Strong Linux administration skills and experience troubleshooting production infrastructure.
• Experience supporting at least one relational database platform, such as Oracle, PostgreSQL, or MySQL, including health checks, backup and recovery, and operational troubleshooting.
• Experience monitoring system health, remediating vulnerabilities, managing backups, and validating recovery procedures.
• Ability to document technical procedures, communicate with technical and nontechnical users, and work independently within a coordinated support team.
• Active TS/SCI security clearance required.
• Willingness and ability to work the assigned shift schedule and conduct regular onsite weekend health checks.

Nice to have

• Less-than-30-minute commute from the worksite.
• Experience supporting Department of Defense customers or around-the-clock mission systems.
• Experience with cloud-native containerized application environments such as Kubernetes.
• Experience sustaining Elasticsearch, including upgrades and failover.
• Experience scripting to automate routine Linux administration.
• Relevant technical education, military training, or certifications such as CompTIA Security+.

Culture & Benefits

• Mission-focused engineering work supporting defense and satellite intelligence customers.
• Flexible time off totaling 36 days per year.
• 100% 401(k) company match up to IRS annual limits, plus annual profit sharing as a 401(k) contribution.
• Health coverage through Blue Cross Blue Shield with an HSA; the company pays 95% of employee premiums, including family plans.
• $3,000 annual technology and wellness reimbursement, plus a MacBook and well-equipped office spaces.