Microsoft 365 System Administrator

Clearance Level
Secret
Category
IT Infrastructure and Operations
Location
Falls Church, Virginia
(Hybrid Workplace)
Key Skills For Success

IT System Administration

Microsoft Administration

Microsoft Windows 365

Software Licensing

Windows System Administration

REQ#: RQ212295
Public Trust: None
Requisition Type: Regular
Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

GDIT has an opening for a Microsoft 365 System Administrator position supporting the Army National Guard (ARNG) in Falls Church, VA. This is an IT Service Management contract in support of the operation, modernization, expansion, and further evolution of the ARNG’s global Information Technology (IT) services including networking, compute, storage, infrastructure, applications, hosting, and program management services.  The GECOS program supports the ARNG Enterprise IT infrastructure, its Wide Area Network (WAN), authentication and directory services, cybersecurity, application hosting, and associated services. GECOS uses ITIL best practices framework as the basis for IT Service Management (ITSM) model.

MEANINGFUL WORK AND PERSONAL IMPACT:
•    Serves as single point of contact to provide Defense Enterprise Provisioning Online (DEPO) support and oversight.
•    Coordinate, manage, provision, and troubleshoots Microsoft 365 licensing in the Army 365 Tenant utilizing DEPO.
•    Manages A365 licensing and user profiles.
•    Establishes accounts and applies, manages, and reports on licenses and license usage.
•    Serves as the single point of contact for all receiving, logging, classifying, prioritizing, tracking, resolving, and reporting of incidents, problems, and service requests for all supported customers of AESD-NG worldwide for NIPR, SIPR, SECRET//REL, and other enterprise services located at Post, Camps, and Stations (P/C/S).
•    Responsible for coordinating support to the ARNG G6 elements in the 50 states, three territories, and the District of Columbia, NGB NCR NEC, and associated components and environments.
•    Processes NIPR, SIPR, and other Defense Enterprise Provisioning Online requests via AESMP, group mailboxes, decommissioning mailboxes, and auditing of monthly utilization and billing. Supervises other Systems Administrators, as necessary.
•    Support enterprise IT modernization efforts by identifying opportunities for improvement in system design, integration, and documentation practices.
•    Conduct and support technical exchange meetings with stakeholders for product creation and delivery.
•    Maintain current and up-to-date knowledge of evolving technologies, tools, and industry standards relevant to network architecture, cybersecurity, and data modeling.
•    Create, develop, and maintain documentation, standards, and procedures related to architecture design and modeling practices.
•    Work independently to manage assigned tasks, projects, deliverables to ensure accuracy, timeliness, and compliance with organization guidelines.

WHAT YOU’LL NEED TO SUCCEED:
Education: Bachelor’s degree in IT preferred.  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: 5-8 years of related experience to DEPO or Microsoft 365 licensing, and/or IT Operations environment.
Technical Skills:  
•    Experience using ITSM tools (e.g., AESMP/ServiceNow) for ticket management and workflow tracking within an ITIL framework. 
•    Strong understanding of network and systems architecture principles and IT environments.
•    Familiarity with SharePoint, Azure/Entra ID, and other Microsoft technologies.
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 take initiative, prioritize tasks, and deliver high-quality results with minimal supervision.
•    Capable of managing multiple priorities while applying strong technical, communication, and documentation skills.
•    Strong communication skills and ability to collaborate effectively with diverse teams.
•    Consistently demonstrate reliability, professionalism, and attention to detail.
•    Ability to collaborate effectively and adapt to changing priorities in a fast-paced environment.
Location: Falls Church, VA. 
•    Three (3) days of onsite with up to two (2) days telework. Onboarding/transition in period requires on-site support up to 60 days. Work schedules are subject to change on direction by mission requirements from GDIT or USG leadership.  
 

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.

Work Requirements
Years of Experience

5 + 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

Salary and Benefit Information

The likely salary range for this position is $80,750 - $109,250. 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.
View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across over 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber and application development. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans