Dedicated IT Support Technician with Security Clearance

MANTECH seeks a motivated, career- and customer-oriented Dedicated IT Support Technician to join our dedicated support team in Chantilly, VA. In this role, you will provide lifecycle support for standalone (non-ELA) workstations and kiosks, ensuring secure, reliable, and compliant operation of mission-critical systems. You will perform operating system upgrades, software installations, system hardening, monthly maintenance, and troubleshooting while supporting customer operational requirements. Responsibilities include, but are not limited to: * Provide Tier II/Tier III technical support for standalone (non-ELA) kiosks and workstation systems, performing lifecycle management, troubleshooting, Operations & Maintenance (O&M) rebuilds, system reimaging, and restoration activities to ensure operational readiness.
* Perform Windows 11 operating system upgrades, monthly OS patching, security updates, vulnerability remediation, and system hardening to maintain secure, compliant, and reliable workstation environments.
* Install, configure, and maintain approved software and operating systems, including Microsoft PowerPoint, software licenses, McAfee antivirus, and other customer-authorized applications.
* Implement customer security and configuration requirements by deploying OCS lockdown scripts, IATT Reduced Baseline Control Sets, and configuring user accounts, login settings, screensavers, touchscreen functionality, and other workstation settings.
* Diagnose and resolve hardware, software, operating system, and peripheral issues through root cause analysis while ensuring compatibility, minimizing operational disruptions, and maintaining compliance with customer cybersecurity requirements.
* Travel locally between customer sites and support temporary assignments as needed.
* Work and 8 hour scheduled shift between the hours of 6:00 AM - 6:00PM. Occasional after-hours support as required by mission needs. Shift may vary based on support required. Minimum Qualifications: * HS Diploma and 6+ years of relevant experience OR Associates degree and 4+ years of experience OR Bachelor's degree and 2+ years of experience
* Experience supporting standalone Windows workstations and kiosks in a secure enterprise environment, including Windows 10/11 administration, operating system installations, upgrades, imaging, patching, and system rebuilds.
* Experience installing, configuring, maintaining, and troubleshooting Microsoft Office applications, endpoint security solutions, antivirus software, and system hardening measures.
* Demonstrated ability to troubleshoot and perform root cause analysis across hardware, software, operating systems, and peripheral devices while conducting routine maintenance and security updates.
* Strong customer service, communication, and organizational skills with the ability to follow technical documentation, maintain accurate configuration records, and support mission-critical IT operations.
Preferred Qualifications: * Experience supporting standalone (non-ELA) customer environments.
* Familiarity with OCS lockdown scripts and system security hardening.
* Experience implementing IATT Reduced Baseline Control Sets or similar cybersecurity compliance requirements.
* Experience with workstation imaging and automated deployment tools.
* Knowledge of endpoint lifecycle management and software license administration.
* IAT Level II certification (Security+ CE or equivalent). Security Clearance Requirements: * Current/active TS/SCI with Polygraph required. Physical Requirements: * Must be able to remain in a stationary position up to 50% of the time.
* Must be able to move throughout customer facilities to install, maintain, and troubleshoot IT equipment.
* Must be able to position self under desks, within equipment racks, and other confined spaces to install and maintain hardware.
* Must frequently lift and transport computer equipment, monitors, peripherals, and related hardware up to 40 pounds.
* Constantly operates a computer and other office productivity equipment, including keyboards, monitors, printers, and scanners.