New

Senior Systems Administrator [Full Scope Polygraph]

Modern Technology Solutions, Inc.
401(k)
United States, Maryland, Annapolis
123 Main Street (Show on map)
May 13, 2026
Modern Technology Solutions, Inc. (MTSI) is hiring a Senior Systems Administrator in Annapolis Junction, Maryland. Qualified candidates must be U.S. citizens with a TS/SCI clearance and Full Scope Polygraph. Responsibilities: Provide support for implementation, troubleshooting and maintenance of IT systems. Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems. Manage the daily activities of configuration and operation of IT systems. Provide assistance to users in accessing and using IT systems. Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc. Provide support for the escalation and communication of status to agency management and internal customers. Optimize system operations and resource utilization and perform system capacity analysis and planning. Provide in-depth experience in trouble-shooting IT systems. Provide detailed analysis and feedback to agency management and internal customers for escalated tickets. Provide support for the dispatch system and hardware problems and remains involved in the resolution process. Configure and manage UNIX and Windows (or other applicable) operating systems and install/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. Support the design of systems, mission architecture and associated hardware Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA). Analyze and resolve complex problems associated with server hardware, applications and software integration Qualifications Required:* Fifteen (15) years experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity. Education Requirements:* Bachelor's degree in technical discipline from an accredited college or university. Five (5) years of additional Systems Administration experience may be substituted for a bachelor's degree. Clearance Requirements:* TS/SCI clearance with Full Scope Polygraph. The pay range for this position in MD is $125,000 to $180,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled. #LI-RC2* 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.