Senior Systems Administrator [Full Scope Polygraph]

Modern Technology Solutions, Inc. (MTSI) is hiring a Senior Systems Administrator in Annapolis Junction, Maryland. 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) proble…