Hiring: Senior Systems Administrator Company: Modern Technology Solutions, Inc. (MTSI) Location: Dayton, OH Job Posted Time: 2026-09-10 12:13:41 Employment Type: Hybrid Target Skills & Keywords : AWS, Ansible, Azure, Azure DevOps, Bash, CentOS, Chef, Configuration Management, Confluence, GitLab, Jira, Kubernetes, Linux, Microsoft Excel, Puppet, Python, Red Hat, SAP, Security Clearance, Ubuntu, Windows Server About the job Experience: •6+ years of experience administering Linux systems (e.g., Red Hat, CentOS, Ubuntu) Required Skills: •Install, configure, and maintain operating systems, hardware, virtual environments, and network devices to meet program needs •Perform system hardening to ensure compliance with established security policies •Troubleshoot and resolve hardware and software issues •Manage user accounts, permissions, and access controls •Implement and maintain system backups and disaster recovery procedures •Monitor system performance and identify areas for improvement •Partner cross-functionally with other IT staff to ensure system stability and availability •Provide technical support to end-users Qualifications: •Master's degree in an IT-related field •Bachelor’s degree and relevant professional experience can be accepted in lieu of a master’s degree •Even Better If You Have These Desired Skills •Certifications: ISC2 CCSP; CompTIA SecurityX (CASP+), AWS Certified DevOps Engineer - Professional, Azure DevOps Engineer Expert, or CKA (Certified Kubernetes Administrator) •Must possess an active DoD Top Secret (TS) security clearance (with SCI and SAP eligibility). Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!