Exchange Engineer (Microsoft Exchange)

About the role

CACI is seeking a Senior Exchange Engineer for its Global Mission Operations Support (GMOS) contract supporting the U.S. Department of State. The role provides technical and management leadership for Microsoft Exchange upgrades, enhancements and modernization across the global enterprise, and involves direct operation and maintenance of Exchange clusters in data centers. It is a regular, full-time position requiring a Secret clearance, based in Ashburn with up to 10% local travel.

Key responsibilities

• Lead Microsoft Exchange service upgrades, enhancements and modernization across the global enterprise.
• Operate and maintain Microsoft Exchange clusters (2019 or later) in data centers, ensuring high availability and performance.
• Set Exchange server operations strategy at domestic Consular facilities aligned with email and collaboration needs.
• Coordinate with the Department of State so that implementations meet its requirements, security standards and infrastructure specs.
• Define enterprise backup and disaster recovery strategies, including off-site redundant storage.
• Establish enterprise DHCP and DNS integration strategies across 350+ facilities.
• Plan server and storage capacity, optimize performance and manage hardware lifecycle.
• Build CI/CD pipelines with DevSecOps tooling (Ansible, Terraform, SonarQube) covering build, test, security validation and failure analysis.
• Lead major assignments with responsibility for budget, methodology and staffing, and advise senior leadership on Exchange architecture and email security.

Required profile

• Bachelor's degree plus 13 years of experience in Exchange administration, email systems, messaging infrastructure, collaboration platforms or systems administration (equivalencies considered).
• Active Secret clearance.
• Proven experience directing technical teams, managing project budgets and making staffing decisions.
• Desired: federal agency experience, especially with the Department of State.

Required skills

• Microsoft Exchange Server 2019 or later, including clustering and high availability.
• DevSecOps tooling: Ansible, Terraform, SonarQube.
• Email security, backup and recovery, Active Directory and DNS integration.
• Desired: hybrid Exchange, cloud migration, Microsoft 365 integration, and knowledge of FISMA, NIST and Department of State security policies.

What we offer

• Proposed pay range of $120,800 - $265,800 depending on experience, location and contract wage rates.
• Healthcare, wellness, financial, retirement and family support benefits, plus continuing education and flexible time off.