Senior Systems Admin: Directory & Exchange Expert (TS)

Stratascorp LLC; Quantico (VA); On-site; USD 90,000 - 100,000; Full time

Job summary

StratasCorp in Quantico, VA seeks an experienced Senior System Administrator to support enterprise directory and messaging services, including Active Directory and Exchange. The role provides Tier II support and system administration for Windows Server environments in a secure government setting.

The ideal candidate will have extensive experience with directory services, user account administration, and monitoring in a DoD context, with Top Secret clearance and IAT III certification.

Qualifications

• Minimum of 10 years of overall IT experience.
• At least 6 years of hands-on experience supporting Microsoft Active Directory and/or Exchange environments.
• Demonstrated experience with directory services, messaging systems, and account administration.
• Experience with Windows Server administration and troubleshooting.
• Experience resolving Tier II technical issues through Remedy or other ITSM platforms.
• Familiarity with virtualization technologies, event monitoring, and enterprise infrastructure support.
• Active Top Secret Security Clearance.
• IAT Level III certification meeting applicable DoD 8140 requirements.

Responsibilities

• Manage, administer, maintain, and troubleshoot enterprise directory and messaging services, including AD, Exchange, ADAM, and GAL.
• Perform user account administration, access management, and operational support.
• Monitor, maintain, and support directory and messaging systems to ensure availability and operational effectiveness.
• Troubleshoot, investigate, and resolve Tier II technical issues and Remedy/ITSM service tickets.
• Perform Windows Server administration, maintenance, and troubleshooting.
• Support enterprise virtualization environments and related infrastructure.
• Monitor system events, identify potential issues, and implement corrective actions.
• Provide technical support for enterprise directory, messaging, and associated services.
• Maintain system integrity, availability, and compliance with applicable security requirements.
• Document troubleshooting activities, system changes, and issue resolutions.

Skills

Active Directory

Microsoft Exchange

ADAM

Global Address List (GAL)

Windows Server

Remedy / ITSM

Virtualization

Account administration

Troubleshooting

Education

High School Diploma or equivalent

Job description

StratasCorp in Quantico, VA seeks an experienced Senior System Administrator to support enterprise directory and messaging services, including Active Directory and Exchange. The role provides Tier II support and system administration for Windows Server environments in a secure government setting.

The ideal candidate will have extensive experience with directory services, user account administration, and monitoring in a DoD context, with Top Secret clearance and IAT III certification.