System Administrator, Sr Principal

Requirements

• Critical Systems, Information Technology (IT) Systems, System Administration, Technical Support Certifications:
• None Experience:
• 8 + years of related experience US Citizenship Required:
• Yes
• Job Description:
• WHAT YOU'LL NEED TO SUCCEED
• The ideal candidate will possess deep expertise in Windows environments, infrastructure automation, database management, and data analysis to drive operational efficiency.
• Deep hands-on experience with Active Directory administration, certificate lifecycle management, and enterprise authentication protocols.
• Strong experience administering, configuring, and managing Virtual Machines in VMware or Microsoft Hyper-V hypervisors.
• Solid proficiency in SQL database management, including writing queries and performing general database administration. Experience managing and maintaining File Server Resource Manager (FSRM) and enterprise file systems.
• Demonstrated ability to extract and synthesize data from Active Directory, SQL, and Microsoft Configuration Manager (MCM) databases, SQL, and general CSV manipulation for system forensics and data analysis.
• Remotely manage distributed servers, switches, and workstations within each local site by a central location where possible.
• Plan, coordinate, and implement network security measures through manual configuration, installation of patches, or the application of scripts to protect data, software, and hardware.
• Mitigate vulnerability security findings on workstations and servers and coordinate the resolution between security and local on-site teams.
• Troubleshoot server and workstation failures related to software deployments, and Windows operating system updates.
• Maintain all servers within the configuration baselines and all STIGs and accurately configure and apply patches to all systems.
• Participate in technical exchanges as required.
• Provide technical and operational input to Change Review activities.
• Review existing documentation for the server, services, and maintenance processes and procedures, and provide recommendations for improvements/changes.
• Assist network and systems security personnel in IA incident response.
• Bring your technology expertise and drive for innovation to GDIT.
• Education : Bachelor's degree in computer science, Information Technology, or a related field.
• Experience : Minimum 8 years of systems administration experience
• Technical skills :
• Expertise in Windows/Linux server management, virtualization, and cloud platforms (e.g., Microsoft Azure, AWS)
• Proficiency in scripting (PowerShell, Bash), automation tools, and infrastructure-as-code (IaC) practices.
• Security clearance level: TS
• US citizenship required
• GDIT IS YOUR PLACE
• At GDIT, the mission is our purpose, and our people are at the center of everything we do.
• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace
• OWN YOUR OPPORTUNITY
• Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
• #gditpriority
• #armajobs
• The likely salary range for this position is $148,750 - $201,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
• Scheduled Weekly Hours:
• 40
• Travel Required:
• Less than 10%
• T elecommuting Options:
• Onsite
• Work Location:
• USA VA Fort Belvoir
• Addit

Benefits

Additional Information

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications:

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