New

Systems Administrator

Modern Technology Solutions, Inc.
401(k)
United States, Ohio, Dayton
Aug 14, 2026
MTSI is seeking a motivated and proactive journeyman systems administrator with a good understanding of modern networks, hardware and software to support a large office at Wright-Patterson AFB. This position requires independent critical thinking, technical expertise, and attention to detail. The position is part of a larger team managing on-premises and guest networks in a classified work environment. The incumbent will be responsible for staying current with the latest technologies, industry best practices, and regulatory requirements. This role requires technical proficiency, problem-solving skills, and the ability to communicate technical information effectively to both technical and non-technical audiences. The work location is in Dayton, OH. Responsibilities: Your essential job functions will include but may not be limited to: * Administration oImplementation, configuration, operations, and maintenance of multiple classified and unclassified networked systems. oMaintain inventory control records for equipment and software. oProvide VTC support for various classified systems. oManage installation of system patches and enhancements/updates and ensure system integrity is not compromised. oAssigned as a COMSEC Responsible Officer. Tracks inventory or COMSEC assets on the COMSEC inventory and the associated equipment account. Responsible for coordinating network device rekeys. Completed subsequent destruction documentation. oPerforms ITAM custodian duties. Issues government funded equipment. Tracks locations of each device. Manages destruction processes for devices which are no longer in use. Transfers devices between units. * Software Specific Knowledge oInstall and configure applications software and the establishment of user environments. * Support oDefine/resolve information technology issues; provide troubleshooting/Helpdesk support. oAnalyze and diagnose system failures to isolate source of problems. Perform testing, troubleshoot, and correct complex or unusual problems involving interface and interoperability of system components such as hardware, systems software, and applications programs. oIdentify corrective or preventive procedures and takes actions to rectify immediate problems and prevent future occurrences. oTroubleshoot and analyze hardware and software malfunctions to resolve physical and logical processing problems and recommend acquisition of equipment, software and/or hardware which will resolve operational problems. oCompletes account modifications for users to include organizational account creations, security group corrections and creating distribution groups. Handles in-processing and out-processing of users. Qualifications Required: 5 years of progressive systems administration experience in Linux and/or Windows environments. CompTIA Security+ Certification. Knowledge of TCP/IP fundamentals (DNS, DHCP, FTP, SSH, IP CONFIG). Knowledge of DoD security and compliance frameworks, especially RMF, STIGs, and cybersecurity controls. Experience in Technical Support, Cloud Computing, Information Security, and Compliance. Proficiency with Active Directory, domain controllers, IP addressing, DNS, remote access, VLANs, and VoIP systems. Education: Bachelor's degree in an IT-related field (e.g., cybersecurity, computer science, computer engineering). Experience may be considered in lieu of a degree. Even better if you have these desired skills: Experience working in SAP/SCI facilities/programs highly desired. Experience with the Atlassian tool suite. Clearance Requirements: * Must possess an active DoD Top Secret Clearance with SCI and SAP eligibility. * U.S. Citizenship is required. #LI-MM1 #ONSITE Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year. Great Benefits - Most Full-Time Staff Are Eligible for: Starting PTO accrual of 20 days PTO/year + 10 holidays/year Flexible schedules 6% 401k match with immediate vesting up to $9k annually Semi-annual bonus eligibility (July and December) Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account Up to $10,000 in annual educational reimbursement Other company funded benefits, like life and disability insurance Optional zero deductible Blue Cross/Blue Shield health insurance plan Track Record of Success: We have grown every year since our founding in 1993. Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.