Senior Active Directory and Exchange Engineer

Company

Cox Enterprises

Information Technology

Sr Enterprise Applications Engineer

Individual Contributor

Hybrid - Ability to work remotely part of the week

No

Day

Compensation includes a base salary of $92,300.00 - $. The base salary may vary within the anticipated base pay range based on factors such as the ultimate location of the position and the selected candidate’s knowledge, skills, and abilities. Position may be eligible for additional compensation that may include an incentive program.

The Senior Active Directory & Exchange Engineer role focuses on managing, securing, and optimizing our Active Directory and Exchange 2019 environment. This includes administering Microsoft Active Directory infrastructure to ensure operational efficiency is maintained, compliance with security policies, and alignment with business needs.

The ideal candidate will have a proven track record in designing, implementing, and managing Microsoft Exchange Online and hybrid Exchange 2019 environments. In this role, you will be responsible for ensuring the security, reliability, and performance of cloud-based messaging services for enterprise clients. The engineer will develop platform roadmaps for Exchange upgrades across multiple domains, maintain optimal mail flow operations, and document configurations & policies thoroughly.

The best candidate will be a team player possessing strong analytical and technical skills. The individual in this role must be able to communicate ideas clearly and effectively to both technical non-technical stakeholders. This individual will be required to maintain thorough documentation for configurations, policies, and procedures.

• Perform tenant level administration, policy configuration, and top-level support for enterprise-wide initiatives that integrate with Microsoft 365, including Microsoft Entra /Azure Active Directory, Exchange Online, and Exchange 2019 on-prem servers.
• Oversee and maintain AD infrastructure, including over 50+ Windows 2019/2022 domain controllers hosted in VMware vSphere ESXi, replication, and numerous domain trust relationships.
• Implement and enforce Windows Group Policies on-prem and via Intune to ensure consistent and secure configurations across the enterprise.
• Perform regular audits of AD to ensure compliance with security policies and remediate stale objects, orphaned accounts, and unused policies.
• Develop and implement Active Directory strategies, including domain consolidation, upgrades, and migrations.
• Administer Azure AD Connect, lead the troubleshooting and resolution of authentication, Active Directory, and/or Azure AD Connect issues, providing tier-3 support as needed.
• Review and ensure the day-to-day availability of email related services like Exchange Online, Exchange 2019, ProofPoint, as well as management of email security features, such as SPF, DMARC, DKIM, and Exchange Online Protection in Defender.
• Administer and support Exchange Online Protection (EOP), anti-spam, anti-malware policies, data loss prevention (DLP), and compliance configurations.
• Monitor, troubleshoot, and resolve Exchange Online service issues, including mail flow, hybrid connectivity, and client access problems.
• Identify and remediate security vulnerabilities for Windows Server 2019/2022 OS and Exchange Server 2019.
• Provide On-Call support in a 24x7x365 enterprise environment.
• Creates and maintains knowledge base, configuration, and support documentation.
• Execute routine AD maintenance tasks, including backing up and restoring Active Directory and disaster recovery operations.

• BS/BA degree in related discipline in a related discipline and 4+ years of experience in a related field; or equivalent work experience.
• 4+ years of hands‑on operational experience with a complex Microsoft Active Directory environment with multiple forests, domains, & trust relationships;
  Azure Active Directory (AAD)/ Entra , AAD Connect, and Microsoft 365 services, including direct management of domain controllers, LDAP Servers, managing…