TS/SCI IT Support Technician - Secure Enterprise Windows

Acclaim Technical Services; Yorktown (VA); On-site; USD 125,000 - 135,000; Full time

Job summary

Acclaim Technical Services (ATS) is seeking a Dedicated IT Support Technician with a current TS/SCI w/ Poly to support our Network Solutions Division in Northern Virginia. The role focuses on Tier II/III support for Windows workstations and kiosks, ensuring secure, compliant, and reliable IT environments.

You will perform OS upgrades, patching, hardening, software installs, and configuration in a mission-critical government contracting setting, with travel between local sites as needed and

Qualifications

• Experience supporting standalone Windows workstations and kiosks in a secure enterprise environment.
• Experience installing, configuring, maintaining, and troubleshooting Microsoft Office applications and endpoint security solutions.
• Ability to perform root cause analysis across hardware, software, OS and peripherals.
• Strong customer service, communication and documentation skills for mission-critical IT operations.

Responsibilities

• Provide Tier II/III technical support for kiosks and workstation systems, including lifecycle management and O&M rebuilds.
• Perform Windows 11 upgrades, monthly patching, security updates, and system hardening.
• Install, configure, and maintain software and operating systems, including licenses and antivirus.
• Apply security configurations and lockdown scripts per customer requirements.
• Troubleshoot hardware, software and OS issues and travel locally between customer sites as needed.

Skills

Windows 10/11 administration

OS patching & vulnerability remedi

Office applications troubleshooting

Customer service & communication

Education

IAT Level II certification (Security+ CE or equivalent)

Tools

OCS lockdown scripts

System security hardening tools

Job description

Acclaim Technical Services (ATS) is seeking a Dedicated IT Support Technician with a current TS/SCI w/ Poly to support our Network Solutions Division in Northern Virginia. The role focuses on Tier II/III support for Windows workstations and kiosks, ensuring secure, compliant, and reliable IT environments.

You will perform OS upgrades, patching, hardening, software installs, and configuration in a mission-critical government contracting setting, with travel between local sites as needed and