Senior IT Support Engineer - Windows/Linux/ UNIX, TS/SCI

G2IT, LLC.; Suitland (MD); On-site; USD 110,000 - 140,000; Full time

Job summary

G2IT is seeking an experienced Computer Support Specialist (Level 3) to provide technical support, troubleshooting, and maintenance for enterprise IT environments. The role focuses on Windows, Linux, UNIX, and ServiceNow ITSM across a secure federal/infrastructure context.

Responsibilities include incident management, remote end-user support, documentation, and reporting, with emphasis on customer service and clear communication to stakeholders.

Qualifications

• 5+ years maintaining and repairing Windows, Linux, and UNIX IT infrastructure.
• Experience with Windows Server, Exchange, and Solaris infrastructures.

Responsibilities

• Provide technical support and troubleshooting for Windows, Linux, and UNIX-based environments.
• Maintain Windows Server, Exchange, and Solaris infrastructure.
• Troubleshoot hardware, software, network, and end-user technical issues.
• Utilize ServiceNow ITSM & CSM to manage incidents, service requests, and technical support activities.
• Remotely access user desktops using approved enterprise tools to diagnose issues, verify symptoms, isolate faults, and resolve commonly reported problems.
• Utilize SCCM and other enterprise tools to support systems and end users.
• Support the ONI Enterprise Sustainment Readiness Management System (SRMS).
• Create and maintain technical documentation, troubleshooting procedures, and support records.
• Produce reports, charts, spreadsheets, database information, and dashboard data on scheduled and ad hoc bases.
• Deliver excellent customer service while communicating technical information clearly to users and stakeholders.

Skills

Windows support

Linux support

UNIX support

Troubleshooting

Documentation

Customer service

Education

High school diploma or GED

Associate degree

Tools

ServiceNow ITSM

SCCM

Job description

G2IT is seeking an experienced Computer Support Specialist (Level 3) to provide technical support, troubleshooting, and maintenance for enterprise IT environments. The role focuses on Windows, Linux, UNIX, and ServiceNow ITSM across a secure federal/infrastructure context.

Responsibilities include incident management, remote end-user support, documentation, and reporting, with emphasis on customer service and clear communication to stakeholders.