Senior Microsoft Exchange System Administrator

Senior Microsoft Exchange System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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The Opportunity:
We are seeking a highly motivated Senior Microsoft Exchange Systems Administrator with an active TS/SCI clearance to join our team at Ft. Meade, Maryland, in support of the Defense Information Systems Agency (DISA). As the Senior Exchange Administrator, you will support the daily operations and maintenance of the Windows 2022 infrastructure, which comprises 50 virtual and physical servers.
The Senior Exchange Administrator will be responsible for system administration of Windows 2022 Active Directory-integrated servers, and the Microsoft Exchange 2019 environment. This includes managing the Database Availability Group (DAG) configuration, Outlook Web App (OWA), Exchange backups, Exchange storage, and resolving all related Exchange issues. You will create, maintain, and organize the Exchange environment, and ensure ongoing security compliance. You will identify incidents, diagnose and resolve problems, and maintain the Windows domain, including Active Directory, domain controllers, Microsoft Exchange services, DNS servers, and DHCP.
Additionally, you will assist in administering network-based storage arrays and related computing environments, utilizing Cisco UCS and various NetApp data services to ensure data availability for applications and users. Your skills will be used to assist with managing Active Directory and Group Policy Objects, multiple file storage clusters, and enforcing storage quotas as required. Excellent oral and written communication skills are essential.

Responsibilities:

• Administer and maintain the Windows domain in a virtual environment, including Active Directory, domain controllers, Microsoft Exchange, DNS services, and DHCP.

• Design and configure Microsoft Exchange.

• Install, configure, and maintain physical and virtual servers.

• Plan and direct the implementation of security measures to protect the system from cyber-attacks, hacking, intrusion, infiltration, and natural disasters, using ACAS, WSUS, SolarWinds, and other network software tools.

• Create and maintain system documentation for domain technologies, including installation configurations and appropriate troubleshooting steps.

• Assist the ISSO/ISSM in remediating vulnerabilities identified from network scans.

• Apply DISA STIGs to harden Exchange and Windows Server, write security documentation, create Plans of Action and Milestones (POAMs), and provide artifacts for Authority to Operate (ATO) processes.

• Serve as an escalation point for application support and troubleshooting.

• Provide guidance and direction in resolving escalated issues and complex production, application, or system problems.

• Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems, and key processes; review system and application logs; and verify the completion of scheduled jobs.

• Use command-line tools within Microsoft Active Directory, such as PowerShell automation, scripts, and batch files.

• Perform and schedule daily backups and restores.

• Demonstrate familiarity with back-end support to maintain up-to-date user data, troubleshoot problems with missing data and files, and utilize enterprise backup programs such as NetApp SnapCenter.

Qualifications:

Required: 

• An active DoD TS/SCI clearance.

• Bachelor’s degree in Information Technology/Computer Science and/or 10+ years of experience in a related field.

• Advanced experience in the following technologies: Microsoft Exchange, Windows Server 2022, Windows 11, VMware, ESXi, Active Directory, and Group Policy.

• Microsoft Exchange DAG experience.

• NetApp SnapCenter experience.

• CompTIA Security+ certification or higher and Microsoft certification.

• Strong oral and written communication skills.

Desired:

• NetApp storage experience.

• Experience with Cisco UCS technologies.

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