NCIS System Administrator – MDM and Exchange

Clearance Level
Systems Administration
Quantico, Virginia

REQ#: RQ133114

Travel Required: None
Public Trust: None
Requisition Type: Regular

Join General Dynamics IT and be a part of the team of men and women that solve some of the world’s most complex technical challenges. The NCIS program is searching for a System Administrator – MDM and Exchange to join their team in Quantico, VA.

The Naval Criminal Investigative Service (NCIS) is an organization of approximately 2,000 personnel of which 700 serve at HQ and the remaining staff serve at offices worldwide. NCIS is the DON component with primary responsibility for criminal investigation, law enforcement (LE), counter-terrorism (CT), counterintelligence (CI), and cyber matters.  NCIS not only has primary responsibility for all criminal investigative, CI, CT, and cyber matters within the Department of the Navy (DON), but it also has exclusive investigative jurisdiction in non-combat matters involving actual, potential, or suspected criminal, terrorism, sabotage, espionage, and subversive activities. 

NCIS provides the DON with threat status and warnings associated with terrorist, criminal, cyber, and counterintelligence activity throughout the world.  NCIS is the only DON organization that has the information and responsibility to fuse and analyze the national intelligence and law enforcement information necessary to provide these warnings.

The Information Technology Directorate (ITD) supports the NCIS core mission areas to investigate and defeat criminal, terrorist, and foreign intelligence threats by planning for and providing services through appropriate use of the people, equipment, technology, and infrastructure resources of the United States Navy and Marine Corps. 

This position is part of the IT Technology Development division within the NCIS ITDS organization.  Candidates will possess and perform the following:

  • Operate, troubleshoot, and modernize the cloud-based mobile device management (MDM) Exchange messaging and services for NCIS

  • Must have an understanding of Microsoft and MDM best practice solutions in a production environment with enterprise security requirements in mind

  • Must interact with system/network administrators, enterprise security, and senior government personnel

Additional duties as required:

  • Administers, configures, and maintains cloud-based MDM solutions (IBM MaaS360) to include (but not limited to) DoD STIG application and validation efforts

  • Integrates, administers, and maintains cloud-based anti-malware, data security and remote management app (Lookout) for smartphones and tablet

  • Troubleshoots iPhone and Android device activation and configuration issues, developing SOPs and processes for delegation

  • Creates and modifies application groups, policies, application configurations, and user groups within MDM IMB MaaS360

  • Configures and manages mobile device certificate capabilities using DISA's Purebred

  • Performs routine maintenance of Exchange 2019 and Exchange 2016 servers to include (but not limited to) operating system patches, software version updates, and DoD STIG application and validation

  • Installs and configures 2019 Exchange in support of 2016 upgrade efforts

  • Troubleshoots connectivity problems with Outlook 2019/2016, webmail, and ActiveSync connections

  • Integrates authentication and access with ADFS administrators to include troubleshooting access

  • Creates and manages SMTP relays on Exchange, as well as manages the SMTP gateways on the boundary

  • Troubleshoots Exchange 2016 and 2019 issues with SMTP transport, client access, and database health

  • Performs daily operations and maintenance of an availability group based Exchange environment to include capacity checks, logging, and overall system health

  • Recommends upgrade paths as applicable to include additional functionality rollouts

  • Proactively manages systems to provide consistent service uptime for user base

  • Responds in support of after-hours outage resolution (shares with other Exchange admin)

  • Supports enterprise patching efforts as required

  • Installs, configures, and integrates remote Exchange servers in support of off-site replication for DR solutions

  • Assists in troubleshooting Defense Messaging System problems with DMDS admin

Basic Qualifications:

  • Bachelor's degree in an Engineering related discipline; an additional 4 years of experience may be considered in lieu of degree

  • 10+ years supporting DoD enterprise environments with experience with MDM, Exchange and preferably IBM MaaS360

  • Required:  Current Security+ CE certification

  • Required:  Active Top Secret clearance required to start w/ SCI eligibility

  • Preferred:  MCSE + Messaging

  • Considered:  MCSA + Messaging


  • Excellent customizable health benefits (Medical, Dental and Vision)

  • 401K with company match

  • Flexible work week

  • Educational Assistance and eLearning

  • Internal mobility team dedicated to employee advancement

  • Rewards and Recognition programs

  • Innovative and collaborative environment encouraging of highly motivated critical thinking

About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.