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D2 Consulting

Federal IT services: engineering, security, cloud

Exchange Systems Administrator Subject Matter Expert

System Administration +1Posted on Nov 11
Full-timeAlexandria, VA, USA

About the Job

Requirements

  • Experience interacting with service lanes to handle service inquiries and problems.
  • Extensive experience as a Tier 2 or Tier 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 and automation through Exchange PowerShell or other scripting languages.
  • Experience resolving highly complex problems using technical knowledge, factual reasoning, and proper interpretation of problem indicators.
  • Experience developing and implementing solutions for upgrades to newer Exchange versions.
  • Experience directing migrations between on-premises Exchange and Microsoft 365 Exchange Online.
  • Ability to work independently within an IT service management or ticketing system such as ServiceNow.
  • Ability to brief senior government and military officials, supported by strong oral and written communication skills.
  • Leadership and mentoring skills to guide and improve team skill composition.
  • Ability to work effectively within a team and support peers to improve processes and results.
  • Ability to triage and properly classify incidents and prioritize work efforts accordingly.
  • Extensive experience planning, deploying, and documenting patch and configuration updates.
  • Extensive knowledge of disaster recovery and high availability for large, dispersed enterprise environments.
  • Extensive experience with log reviews, incident analysis, identification of issue trends, and problem analysis.
  • Experience with server and system patch management methodologies.
  • 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 of relevant experience.
  • At minimum, a certification meeting DoDM 8140.03 (previously DoD 8570) IT System Administrator Intermediate requirements, such as Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher.
  • U.S. citizenship is required.
  • An active TS/SCI clearance with CI Poly is required, or TS/SCI clearance and willingness to obtain a polygraph.
  • An in-scope Counterintelligence Polygraph within the past five years is preferred but not required.

Responsibilities

  • Provide Tier 2 and 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 of root causes and recommended corrective actions, and document resolutions for future use.
  • Collaborate with peers and other service lanes to analyze network latency and address slow connections and user experience issues.
  • Collect data, conduct analysis, and develop and implement solutions in accordance with Problem Management guidelines.
  • Establish and maintain a comprehensive availability and capacity management solution using lessons learned and best business practices.
  • Provide follow-up reports documenting technical findings, feedback, and resolution steps for root cause analysis, operational assessment, and process improvement initiatives.
  • Support customer requirements in a 24/7/365 mission environment and provide on-call support during after-hours outages when required.
  • Update operations and monitoring documentation for 24/7/365 IT Operations Center personnel.
  • Troubleshoot email routing and service disruptions affected by evolving cybersecurity tools and policies, ensuring implementations and integrations do not impact customers.
  • Perform day-to-day oversight of Exchange Online in an Office 365 hybrid and cloud environment.
  • Manage roles, services, and permissions in accordance with Government Service Owner and cybersecurity mandates.
  • Create, test, and implement PowerShell scripts to automate and standardize routine tasks and monitoring.
  • Conduct technical planning for hardware and software upgrades, review implementation and upgrade guides, and generate standard operating procedures and other documentation for operations and maintenance.
  • Perform requirements analysis, functional analysis, and requirements allocation with operations staff to meet customer upgrade timelines.
  • Conduct technical assessments, provide integration support, perform system functionality and security-compliance testing, and provide quality assurance for production implementations.
  • Provide systems and software administration support in a large, multi-enclave enterprise environment, working with a team to meet mission needs and ensure customer functionality.
  • Perform technical software configuration, server reboots, and other remedial actions as needed, including remotely logging into servers.
  • Develop and implement on-premises Microsoft Exchange solutions across small, medium, and large enterprise environments using physical and virtual server technologies.
  • Support Microsoft Exchange 2019 and 2025 SE on-premises, Microsoft 365 Exchange Online, and hybrid solutions across varying classification levels, scopes, redundancy and resiliency needs, and mission requirements.

Desired Qualifications

  • Microsoft Certified Solutions Expert (MCSE) or Microsoft Certified System Administrator (MCSA) certification.
  • Experience troubleshooting in a Trellix or Windows Defender security environment.
  • Experience with backup and restore procedures using NetBackup, VMware snapshots, or other backup solutions before major changes or upgrades.

About the Company

D2 Consulting

Federal IT services: engineering, security, cloud

D2 Consulting provides IT services to the Federal Government in engineering, operations, and governance to deploy, maintain, and continuously improve IT services and solutions, including VDI and ITSM tooling. It also covers cyber security through audit, information assurance, and risk management, helping agencies adapt accreditation controls for cloud environments. The Cloud Migration and Data Center Modernization/Consolidation area focuses on moving to cloud, adopting cloud services, and consolidating data centers while following best practices and timelines. The goal is to help federal agencies deploy, secure, and modernize IT infrastructure with reliable performance and compliant operations, enabling timely cloud adoption.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Australia
Founded
2000

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