Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

General Dynamics Information Technology (GDIT) is seeking a highly skilled IT Engineer with strong experience in both Microsoft Enterprise Systems and Linux administration to provide Tier II support for a large Federal Intelligence Agency. This role is part of a high-performing team that supports mission-critical infrastructure across multiple security enclaves and hybrid environments (Windows and RHEL).

As a Tier 2 engineer, you will be responsible for advanced troubleshooting, user support, and system optimization for both Windows and Linux platforms, helping ensure consistent system performance and operational reliability.

Key Responsibilities:

Provide Tier II support for incident resolution and user issues in a mixed Windows/Linux enterprise environment.

Administer and support Windows workstations and servers (Windows 10, Server 2012/2016), including Active Directory, Group Policy, DNS, DHCP, and DFS.

Perform Linux system administration (RHEL, CentOS, Ubuntu), including user management, permissions, and basic performance diagnostics.

Troubleshoot application crashes, system performance issues, and connectivity problems.

Deliver remote and on-site end-user desktop support, resolving escalated technical issues effectively and efficiently.

Respond to service desk escalations using tools like ServiceNow or NETS; provide documentation and incident reporting.

Collaborate with external teams to analyze and improve end-user experience.

Participate in incident triage and real-time response efforts.

Engage in special projects and contribute to long-term solutions for recurring system issues.

Maintain compliance with DoD security standards, including DoD 8570 IA certification requirements.

Basic Qualifications:

Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent work/military experience).

Minimum 8+ years of experience in systems administration, with demonstrated Tier 2 support capabilities.

Active TS/SCI with Polygraph clearance.

Current DoD 8570 IAT Level II Certification (e.g., CompTIA Security+ CE, SSCP, or CCNA-Security). Security+ CE preferred.

Must obtain the appropriate Computing Environment (CE) training within six (6) months of hire.

Required Technical Skills & Knowledge:

Windows operating systems (Windows 10, Server 2012/2016)

Linux administration (RHEL/CentOS/Ubuntu)

Active Directory, DNS, DHCP, DFS, LDAP

Troubleshooting Microsoft Office applications (Outlook, Excel, Word), Java, and web browsers

Familiarity with ITSM tools such as ServiceNow

Strong verbal and written communication skills

Understanding of ITIL v3 or higher

Preferred/Bonus Skills:

Microsoft SCCM

PowerShell scripting

VMware and Citrix virtualization

VMware User Experience Management (UEM)

Microsoft Exchange administration

Video conferencing and VoIP support

Networking fundamentals

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