Enterprise IT Support Technician

General information Requisition # R66109 Locations USA-VA-Warrenton Posting Date 02/12/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH! MANTECH seeks a motivated, career-oriented, and customer-focused Enterprise IT Support Technician to join our team in Warrenton, VA . In this role, you will provide technical support, installation services, and customer service for computer hardware, applications, and network systems in a dynamic mission environment. You will support end users through incident management, equipment installations, and troubleshooting while collaborating with network services, systems engineering, and application development teams to restore service, identify problems, and meet ongoing operational needs. Responsibilities include, but are not limited to: Deliver end-to-end incident response and customer support by following ITIL processes, performing remote triage, resolving hardware/software/network issues, and escalating complex cases when needed. Support installation, configuration, relocation, and documentation of desktop IT equipment—including workstations, peripherals, phones, AV components, and network devices. Troubleshoot and resolve issues involving Windows Active Directory, Microsoft Office, business applications, browsers, and network connectivity while restoring services, determining root causes, and maintaining accurate logs, records, and status reports. Provide clear communication and user assistance, including guidance on system procedures, application use, downtime processes, and updates during outages or service restoration. Travel locally between customer buildings and support temporary assignments as required. Support coverage as part of a team operating between 6:00 AM and 6:00 PM. The required work shift is Monday through Friday, 9:30 AM to 6:00 PM. Basic Qualifications HS Diploma and 8+ years of relevant experience OR Associates degree and 6+ years of experience OR Bachelor's degree and 4+ years of experience. Experience providing technical support in a help desk, service desk, installation, or incident management role. Ability to troubleshoot and resolve hardware, software, network, and telecommunications issues. Experience supporting Windows 10, Microsoft Office 2016 or later, and common business applications. Knowledge of Active Directory, TCP/IP networking concepts, and standard IT support tools. Experience installing IT endpoints such as desktops, printers, VOIP/digital phones, and network switches. Preferred Qualifications CUSTOMER-specific Component Mission Administrator (CMA) or Directorate Mission Administrator (DMA) certification. Experience in a technical help desk position and IT hardware/cabling installation. Experience with enterprise ticketing systems (ServiceNow ITSM/ITOM, Remedy, Jira Service Management). Strong problem-solving, communication, and customer service skills. Ability to quickly adapt to evolving tasks and mission requirements.

Clearance Requirements:

Must have an active TS/SCI clearance with Polygraph. Physical Requirements Ability to remain stationary up to 50% of the time. Ability to move throughout buildings, access under desks, raised floors, and confined spaces. Ability to lift and move IT/AV equipment weighing 50+ pounds (team lifts or carts as needed). Must be able to ascend/descend ladders 10+ feet while pulling cables or adjusting equipment. Ability to operate computers, phones, and standard office equipment for extended periods. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.