Exchange & Virtualization Administrator

Knowesis • Alexandria, VA

71d

About The Position

Knowesis is seeking a skilled Exchange & Virtualization Administrator to support the DoD Office of the Inspector General (OIG) in maintaining secure, high-availability messaging and virtual server environments. This role ensures the reliability, performance, and compliance of Microsoft Exchange systems and virtual infrastructure, supporting mission-critical communications and IT services across the enterprise.

Requirements

• Bachelor's degree in Information Systems, Computer Science, or a related field.
• 5+ years of experience in Exchange and virtualization administration, including experience with cloud migration projects to include virtual machine migration from on-premises to Azure, and technical expertise in Azure cloud services
• Proficiency in Microsoft Exchange Server, Office 365, and virtualization platforms (VMware, Hyper-V)
• Strong PowerShell scripting skills for automation and reporting
• Familiarity with DoD IT security standards and compliance frameworks
• Excellent troubleshooting, documentation, and communication skills

Nice To Haves

• Certifications such as Microsoft Certified: Messaging Administrator Associate, VMware Certified Professional (VCP), or CompTIA Security+

Responsibilities

• Manage and maintain Microsoft Exchange environments (on-premises and/or hybrid Office 365 GCC High)
• Monitor mail flow, troubleshoot delivery issues, and ensure secure email operations
• Configure mailbox policies, retention settings, and archiving in accordance with DoD OIG standards
• Support eDiscovery, litigation holds, and compliance audits
• Implement and maintain anti-spam, anti-malware, and email encryption solutions
• Administer virtual environments using VMware vSphere, Microsoft Hyper-V, or similar platforms
• Provision, monitor, and optimize virtual machines and resource pools
• Perform patching, backups, and disaster recovery testing for virtual systems
• Collaborate with storage, network, and security teams to ensure performance and compliance
• Maintain system documentation and configuration baselines
• Ensure systems meet DoD cybersecurity and access control requirements
• Support vulnerability remediation and configuration hardening
• Maintain audit readiness and assist with inspections and reporting
• Implement role-based access controls and enforce least privilege principles
• Collaborate with Active Directory, SCCM, and MDM teams to support integrated services
• Provide Tier 2/3 support for messaging and virtualization issues
• Participate in change management and configuration control processes
• Document procedures and contribute to knowledge base development

Benefits

• Health (PPO & HDHP) Paid Time Off
• Company Paid STD & LTD, and Basic Life Insurance
• 401k Company Match
• Paid Time Off
• Multiple Voluntary Products

What This Job Offers

• Career Level: Mid Level
• Industry: Professional, Scientific, and Technical Services
• Education Level: Bachelor's degree
• Number of Employees: 51-100 employees