Exchange System Administrator SME

Exchange Subject Matter Expert (SME)

Leidos is seeking an Exchange Subject Matter Expert (SME) to support a large enterprise IT contract for the DOD. This role requires an individual with subject matter expertise developing and implementing on-prem Microsoft Exchange solutions in small, medium, and large enterprise environments including physical and virtual server technologies. Duties include conducting technical planning for hardware and software upgrades, review of implementation and upgrade guides, generation of Standard Operating Procedures (SOPs) and other documentation to assist with team's O&M efforts.

Perform requirements analysis, functional analysis, and requirements allocation with operations staff to meet customer's intended timeline for upgrades. Conduct technical assessment, integration support, system testing for functionality and security compliance, and quality assurance of production implementation. Solutions include Microsoft Exchange 2019 and 2025 SE on-prem, M365 Exchange Online, and hybrid solutions spanning various classifications, size/scope, redundancy/resiliency, and mission requirements. The individual will provide systems and software administration support in a large, multi-enclave enterprise environment.

This person will work in a team environment to ensure mission needs are met and ensure functionality of capabilities to customers. Individuals in this role may be required to perform technical software configuration, rebooting, and other remedial actions on servers in support of O&M.

Primary Tasks

• Individuals in this role may be required to remotely log into servers in order to perform technical software configuration, rebooting, and other remedial actions.
• Provide Tier 2/Tier 3 administration support for implementation, troubleshooting, maintenance, and monitoring for physical and virtual servers.
• Rapidly distinguish isolated user problems from enterprise-wide application and system problems. Advise Operations staff of root cause, recommended fix actions, and document resolution for future use.
• Collaborate with peers and other service lanes to perform network latency analysis to address slow connections and user experience issues.
• Direct effort to collect data, conduct analysis, develop, and implement solutions associated Problem Management guidelines.
• Establish and maintain comprehensive availability and capacity management solution using lessons learned and best business practices
• Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, operational assessment and process improvement initiatives.
• Support customer requirements in a 24/7/365 mission environment and be able to provide on-call support during outages occurring after hours.
• Update operations and monitoring documentation for 24/7/365 IT Operations Center (ITOC) personnel.
• Troubleshoot email routing and service disruptions impacted by ever evolving cyber security tools and policies – Ensure implementation/integration does not impact customers.
• Perform day-to-day oversight for Exchange Online system within an Office 365 hybrid/cloud environment.
• Manage roles, services, and permissions in accordance with Government Service Owner and Cyber Security mandates.
• Create, test, and implement Power Shell scripts to automate and standardize routine tasks and monitoring.

Basic Qualifications

• Experience with interacting with service lanes to handle service inquiries and problems.
• Extensive experience working as a Tier 2/3 System Administrator.
• Extensive experience with Office 365 and Microsoft Exchange 2016, 2019, and 2025 SE.
• Extensive knowledge of Email Journaling solutions.
• Extensive experience with Scripting/Automation through Exchange Power Shell or other scripting…