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Leidos

Exchange System Administrator, SME

Leidos

. Develop and implement on-premises Microsoft Exchange solutions across physical and virtual server technologies .

Posted 11/10/2026full-timeUnited StatesSeniorLead💰 $116,350 - $210,325 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in Microsoft Exchange solutions, including on-premises and hybrid environments, with a strong focus on system administration, troubleshooting, and automation through PowerShell scripting. Proven ability to manage complex IT environments while ensuring compliance with cybersecurity mandates and providing exceptional support in a 24/7 mission-critical setting.

Highest-signal resume keywords
Microsoft Exchange AdministrationOffice 365 ManagementPowerShell ScriptingTier 2/3 System AdministrationIT Service Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Microsoft Exchange 2016Microsoft Exchange 2019Microsoft Exchange 2025Email Journaling SolutionsDisaster RecoveryServer/System Patch ManagementIncident AnalysisBackup and Restore ProceduresTechnical AssessmentsRequirements Analysis
Soft Skills
Strong Communication SkillsLeadership SkillsTeam CollaborationProblem-Solving SkillsMentoring Skills
Tools & Technologies
ServiceNowNetBackupVMwareTrellixWindows Defender
Certifications & Qualifications
TS/SCI ClearanceCloud+GICSPSSCPSecurity+ CEGSECMicrosoft MCSEMicrosoft MCSA
Industry Keywords
Cybersecurity ComplianceIT OperationsMulti-Enclave EnvironmentTechnical PlanningSystem Testing

Tech Stack

Tools & technologies
CloudCyber SecurityITSMServiceNowTypeScriptVMware

About the role

Key responsibilities & impact
  • Develop and implement on-premises Microsoft Exchange solutions across physical and virtual server technologies
  • Conduct technical planning for hardware and software upgrades
  • Review implementation and upgrade guides
  • Generate Standard Operating Procedures and other documentation for operations and maintenance
  • Perform requirements analysis, functional analysis, and requirements allocation with operations staff
  • Conduct technical assessments, integration support, system testing for functionality and security compliance, and quality assurance of production implementations
  • Provide systems and software administration support in a large, multi-enclave enterprise environment
  • Remotely log into servers for software configuration, rebooting, and remedial actions
  • Provide Tier 2/Tier 3 administration support for implementation, troubleshooting, maintenance, and monitoring of physical and virtual servers
  • Distinguish isolated user problems from enterprise-wide application and system problems; advise Operations staff on root causes and recommended fixes
  • Collaborate with peers and service lanes on network latency analysis and user experience issues
  • Collect data, conduct analysis, and develop and implement Problem Management solutions
  • Establish and maintain availability and capacity management solutions
  • Provide technical findings, feedback, and resolution reports for root cause analysis and process improvement
  • Support a 24/7/365 mission environment and provide on-call support during after-hours outages
  • Update operations and monitoring documentation for ITOC personnel
  • Troubleshoot email routing and service disruptions caused by evolving cybersecurity tools and policies
  • Oversee Exchange Online in an Office 365 hybrid/cloud environment
  • Manage roles, services, and permissions according to Government Service Owner and Cyber Security mandates
  • Create, test, and implement PowerShell scripts to automate and standardize routine tasks and monitoring

Requirements

What you’ll need
  • US Citizenship is required
  • TS/SCI with specific Polygraph required, or TS/SCI and willingness to obtain and maintain a poly
  • Bachelor's degree with 12 years of relevant experience, Master’s degree with 10 years, Associate's degree with 14 years, or High School Diploma with 16 years
  • Meet DoDM 8140.03 (previously DoD 8570) IT System Administrator Intermediate certification requirements: Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher
  • Experience interacting with service lanes to handle service inquiries and problems
  • Extensive Tier 2/3 System Administrator experience
  • Extensive Office 365 and Microsoft Exchange 2016, 2019, and 2025 SE experience
  • Extensive knowledge of Email Journaling solutions
  • Extensive scripting/automation experience through Exchange PowerShell or other scripting languages
  • Experience resolving highly complex problems using technical knowledge, factual reasoning, and interpretation of problem indicators
  • Experience developing and implementing solutions for upgrades to newer Exchange versions
  • Experience directing migrations between on-prem Exchange and M365 Exchange Online
  • Ability to work independently within an IT Service Management/ticketing system (ServiceNow)
  • Strong oral and written communication skills with experience briefing senior government and military officials
  • Strong leadership and mentoring skills
  • Ability to work effectively within a team and support peers
  • Ability to triage and classify incidents and prioritize work
  • Extensive experience planning, deploying, and documenting patch and configuration updates
  • Extensive knowledge of Disaster Recovery for High Availability in large, dispersed enterprise environments
  • Extensive experience with log reviews, incident analysis, issue trends, and problem analysis
  • Experience with server/system patch management methodologies
  • Experience troubleshooting within a Trellix/Windows Defender security environment
  • Experience with backup and restore procedures using NetBackup, VMware snapshots, or other backup solutions
  • Desired: Microsoft MCSE or MCSA certification