Knowesis Inc.
Join to apply for the
Exchange & Virtualization Administrator
role at
Knowesis Inc.
Position:
Exchange & Virtualization Administrator
Location:
Alexandria, VA
Work Environment:
Hybrid
Clearance Required:
Secret
Status:
Contingent Upon Contract Award
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.
To be eligible for this position, candidates must possess U.S. Citizenship without the need for sponsorship, both now and in the future. Applicants without proof of U.S. Citizenship will not be considered due to the position’s security clearance requirements.
Job Duties and 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
Required Qualifications
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
Preferred Qualifications
Certifications such as Microsoft Certified: Messaging Administrator Associate, VMware Certified Professional (VCP), or CompTIA Security+
Benefits
Health (PPO & HDHP) Paid Time Off
Company Paid STD & LTD, and Basic Life Insurance
401k Company MatchPaid Time Off
Multiple Voluntary Products
Knowesis is committed to providing equal employment opportunities to all individuals based on merit and qualifications. We prohibit discrimination in all aspects of employment as required by Title VII of the Civil Rights Act and other applicable federal laws. Our company values all applicants and employees and fosters a work environment where everyone is treated with respect and dignity.
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Exchange & Virtualization Administrator
role at
Knowesis Inc.
Position:
Exchange & Virtualization Administrator
Location:
Alexandria, VA
Work Environment:
Hybrid
Clearance Required:
Secret
Status:
Contingent Upon Contract Award
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.
To be eligible for this position, candidates must possess U.S. Citizenship without the need for sponsorship, both now and in the future. Applicants without proof of U.S. Citizenship will not be considered due to the position’s security clearance requirements.
Job Duties and 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
Required Qualifications
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
Preferred Qualifications
Certifications such as Microsoft Certified: Messaging Administrator Associate, VMware Certified Professional (VCP), or CompTIA Security+
Benefits
Health (PPO & HDHP) Paid Time Off
Company Paid STD & LTD, and Basic Life Insurance
401k Company MatchPaid Time Off
Multiple Voluntary Products
Knowesis is committed to providing equal employment opportunities to all individuals based on merit and qualifications. We prohibit discrimination in all aspects of employment as required by Title VII of the Civil Rights Act and other applicable federal laws. Our company values all applicants and employees and fosters a work environment where everyone is treated with respect and dignity.
#J-18808-Ljbffr