Cloud Infrastructure Engineer

Public Consulting Group LLC (PCG) is a leading public sector solutions implementation and operations improvement firm that partners with health, education, and human services agencies to improve lives. Founded in 1986, PCG employs approximately 2,000 professionals throughout the U.S—all committed to delivering solutions that change lives for the better. The firm is a member of a family of companies with experience in all 50 states, and clients in three Canadian provinces and Europe.

PCG offers clients a multidisciplinary approach to meet challenges, pursue opportunities, and serve constituents across the public sector. To learn more, visit  .

Own operational stability, security, and performance of Microsoft Exchange Online and SMTP services within Microsoft 365. Administer mail flow, hygiene, identity integrations, and tenant configurations. Support DNS, SSL, Backup and Recovery and SFTP services. Execute incident response, change management, and service reliability engineering for core Microsoft operations as needed.

Own operational stability, security, and performance of Microsoft Exchange Online and SMTP services within Microsoft 365. Administer mail flow, hygiene, identity integrations, and tenant configurations. Support DNS, SSL, Backup and Recovery and SFTP services. Execute incident response, change management, and service reliability engineering for core Microsoft operations as needed.

• Exchange Online Administration & Mail Flow
• Manage mailboxes, shared resources, distribution lists, room/equipment, and address policies.
• Configure retention, litigation hold, eDiscovery, MRM, and mailbox audit.
• Administer transport rules, journaling, connectors, and accepted domains.
• Monitor queues, throttling, and service health; remediate mail flow disruptions.
• Design, configure, and maintain SMTP relay paths (M365, hybrid, and on-prem relays).
• Manage Exchange Online connectors, DKIM, DMARC, SPF, ARC, and reverse DNS alignment.
• Troubleshoot NDRs, TLS issues, routing loops, spoofing, and deliverability.
• Coordinate IP reputation, block lists, and feedback loops; maintain allow/deny lists.

• Administer and maintain DNS records, ensuring accurate domain resolution and troubleshooting issues as they arise.
• Manage SSL certificate lifecycle, including procurement, installation, renewal, and validation to support secure communications.
• Oversee SFTP server setup, access provisioning, and regular audits for secure file transfers.
• Coordinate and monitor regular backup processes, verify data integrity, and support timely restoration as needed.
• Respond to and resolve general service tickets, providing timely remediation for operational issues and user requests.
• Monitor and report on service health and performance using Azure Monitor and AWS Cloud Watch, ensuring visibility into operational metrics and timely identification of issues.
• Manage configuration across endpoints and servers using Microsoft Endpoint Configuration Manager (MECM) and Intune, maintaining compliance and standardization throughout the environment.
• Execute change, incident, and problem management to ITIL standards.
• Build and maintain SOPs, runbooks, and knowledge base artifacts.
• Automate routine tasks via Power Shell; implement guardrails and peer‑reviewed scripts.
• Participate in on‑call rotation and major incident bridges.

• 3–5 years administering Exchange (Online and/or Hybrid) in enterprise environments and other operational tasks.
• 3-5 AWS/Azure Experience (can be combined with above experience.
• Strong expertise with SMTP, DNS, TLS, mail authentication (SPF/DKIM/DMARC/ARC).
• Proficiency with Power Shell (Exchange Online, Entra , Security & Compliance modules).
• Solid understanding of Entra , Conditional Access, RBAC, and identity lifecycle.
• Proven incident response, root cause analysis, and service restoration track record.
• Experience with ITIL‑aligned operations, change control, and documentation.

• Experience with Valimail
• Familiarity with DLP frameworks, sensitivity labeling, and regulatory controls…