General Dynamics Information Technology (GDIT) is looking for a skilled IT Systems Administrator with experience in Microsoft enterprise environments to support a critical Federal Intelligence Agency contract. This is an excellent opportunity to work alongside a highly skilled technical team in a dynamic and mission-focused environment.

In this role, youll provide Tier II support and systems administration across multiple large-scale Microsoft-based networks spanning several secure environments. The infrastructure consists of a hybrid mix of Windows and Red Hat Enterprise Linux (RHEL) systems.

Key Responsibilities:

• Perform administrative support for both Windows and Linux environments on physical systems and virtual desktops (EVDI).

• Troubleshoot system and application issues, including performance degradation and crashes.

• Investigate and resolve user performance concerns; collaborate with other teams to enhance the end-user experience.

• Provide Tier II support and resolution for incident tickets related to Windows and Linux-based applications.

• Offer remote desktop support to end users.

• Analyze and resolve system incidents with both immediate workarounds and long-term fixes.

• Respond to and manage escalated service desk tickets.

• Communicate clearly with team members and stakeholders, both verbally and in writing.

• Participate in special projects and respond to security incidents as needed.

Qualifications:

• Bachelors degree in Computer Science, Engineering, or a related technical field, OR equivalent combination of education and experience (including military service).

• 3+ years of relevant systems administration experience.

• Active TS/SCI clearance with Polygraph is required.

• Must have a current DoD 8570 IA certification (e.g., CompTIA Security+ CE, SSCP, or CCNA-Security). Security+ CE is preferred.

• Must obtain required DoD 8570 Computing Environment (CE) certification within 6 months of hire.

Required Technical Skills & Experience:

• Active Directory administration

• DNS, DHCP, DFS, and LDAP

• Windows 10, Server 2012, Server 2016

• Troubleshooting common business applications (e.g., Outlook, Excel, Word, Java, Internet Explorer)

• Linux system administration

• Familiarity with ticketing systems such as ServiceNow or NETS

• ITIL v3 certification or higher

Preferred (Nice to Have):

• Microsoft System Center Configuration Manager (SCCM)

• PowerShell scripting

• Experience with virtualization tools such as VMware and Citrix

• VMware User Experience Management (UEM)

• Microsoft Exchange administration

• Experience with voice/video systems

• Networking fundamentals

• Familiarity with customer mission environments

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