System Administrator - Shift is Tues - Sat 2pm - 10:30pm

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

System Administrator (IT Operations) Shift is Tues - Sat 2pm - 10:30pm

The IT Operations team currently oversees the management and upkeep of the organization's IT infrastructure. Our expertise encompasses understanding of the organization's systems, applications, and technologies. Our responsibilities extend to network operations, server management, system monitoring, incident response, and monitoring the availability, performance, and security of IT services. We also actively contribute to the development of knowledge bases, documentation, and training materials to improve overall support effectiveness.

MEANINGFUL WORK AND PERSONAL IMPACT:

• The System Administrator provides advanced technical expertise and operational leadership within a 24x7x365 environment. This position independently manages, maintains, and optimizes IT systems, ensuring high availability, performance, and security. The role requires sound judgment, proactive problem-solving, and discretion in planning and executing complex technical tasks.
• Administer, maintain, and enhance IT infrastructure, including physical and virtual servers, storage, and network systems—to ensure reliable, secure operations.
• Monitor system performance, resolve incidents, and fulfill service requests using ITSM tools such as ServiceNow, maintaining accurate documentation and communication throughout.
• Troubleshoot and resolve hardware, software, and network issues across Windows, Linux, and Cisco environments.
• Coordinate with external partners (e.g., Army, DISA) for escalated issues beyond program control.
• Manage Active Directory and core IT services, including user access, patch management, and system updates.
• Implement and maintain cybersecurity measures in compliance with DoD and organizational standards; conduct audits and security assessments.
• Develop and maintain disaster recovery and business continuity plans; manage and test backup and recovery procedures.
• Create and maintain detailed documentation, system diagrams, and standard operating procedures to ensure operational continuity.
• Analyze recurring issues and recommend process or system improvements to enhance efficiency and customer satisfaction.
• Provide technical guidance and mentorship to end users and junior IT staff as needed.

WHAT YOU’LL NEED TO SUCCEED:

Education : High School Diploma; AA/AS/BA/BS preferred or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Experience : 1+ years of related experience in System Administration and/or IT Operations environment.

Technical Skills :

• Proficiency with Windows, Linux, and Cisco network systems.
• Experience using ITSM tools (e.g., ServiceNow) for ticket management and workflow tracking.
• Strong understanding of virtualization, patch management, and network security principles.

Certifications : Must meet DoD 8570.01-M IAT Level II baseline certification (e.g., CompTIA Security+ CE) prior to start. Must obtain a computing environment certification (e.g., ITIL v4 Foundations) within six months of hire. When 8140 requirements are implemented on program/contract, employees will need to conform to 8140 certification standards.

Security Clearance Level : Active SECRET security clearance required and must be maintained.

Skills and Abilities :

• Demonstrated ability to exercise independent judgment, prioritize work, and resolve complex issues with minimal supervision.

• Excellent analytical, communication, and documentation skills.
• Proven reliability, professionalism, and attention to detail.
• Ability to collaborate effectively and adapt to changing operational priorities.

Location :

• Falls Church, VA.

• Full time onsite.
• Tuesday – Saturday 2pm - 10:30pm. Training will be 30-45 days, day shift 8am-4:30pm.

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, competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore a career in program management at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your passion for the mission and delivering results.

Work Requirements

Years of Experience

3 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required