Senior Email Services Engineer – Secure Enterprise Messaging

CACI

Chantilly (VA)

On-site

USD 90,000 - 190,000

Full time

11 days ago

Get more replies from employers

Send a job-specific resume in minutes.

Job summary

CACI is seeking an Email Services Engineer to design and implement enterprise‑level messaging solutions across on‑premise, cloud, and Microsoft 365 platforms for the DIA mission. The role emphasizes secure, scalable email ecosystems with PKI, MFA, and policy enforcement.

You will guide modernization efforts, perform rigorous testing, and ensure smooth transition of engineered solutions into operations with compliance to IC and federal regulations. A TS/SCI clearance is required.

Qualifications

Must hold a current Top Secret SCI clearance with ability to obtain poly prior to start
DOD 8140 Certification applicable to role (minimum Security+)
Minimum 4 years of hands-on experience designing, integrating, validating, and implementing IT hardware and software solutions
Microsoft-certified Windows Server Hybrid Administrator Associate
Willingness to learn new skills and new technologies

Responsibilities

Analyze requirements, concepts of operations, and system architectures to create detailed messaging‑infrastructure designs aligned with program vision and operational objectives
Design efficient Microsoft Exchange and Outlook client architectures, retention and archiving strategies, and integration configurations
Implement PKI and other multifactor authentication mechanisms for access to backend messaging services
Integrate classification markings, security controls, and audit capabilities into messaging systems to meet IC and DoDIIS requirements
Maximize availability, resiliency, and reliability design parameters aligned with SLAs
Document, accredit, and authorize new systems, applications, and upgrades through RMF for testing and operational use