Technical Expert (Government)

This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

AT&T Global Public Sector is a trusted provider of secure IP enabled cloud-based network solutions and professional services to theFederal Government. We are dedicated to recruiting developing and empowering a diverse high-performing workforce that is passionate about what they do committed to our shared values and dedicated to our customers mission.

Our Defense Team supports the DoD CloudBased Internet Isolation (CBII) capability delivering secure internet access to a global DoD user base.

AT&T has an opening for a Technical Expert to support the Defense Information Systems Agency (DISA) in providing IT services and connectivity in a Department of War (DoW) environment.

Job Duties/Responsibilities:

• Support the Program Manager in execution of contractual compliance.
• Manage integration with the DoD Internet Access Points (IAPs) and network infrastructure including configuring Access Point Names (APNs) for secure mobile routing. Ensure IPv6 dual-stack compliance and optimal enterprise routing/switching to maintain high performance.
• Support Public Key Infrastructure (PKI)-derived credentials and Single Sign-On (SSO) for mobile and desktop users; implement Kerberos Constrained Delegation (KCD) to enable secure enterprise mobility management.
• Conduct ongoing performance tuning and capacity planning to meet stringent Service Level Agreements (SLAs). Design and execute strategies for 99.9% availability including redundancy and failover testing.
• Work with the Information Systems Security Manager (ISSM) on Ports Protocols and Services Management (PPSM) registrations and approvals; ensure security architecture (private root certificates firewall rules) aligns with program requirements.
• Oversee technical validation in Test & Evaluation environment supporting Government-led data technology and operational technology (DT/OT) events. Validate service fixes and upgrades before production deployment ensuring no regression in security or performance.
• Develop and maintain detailed configuration baselines and integration documentation; contribute to the Transition-In Plan for smoothly evolving the service.
• Serve as final escalation point for complex incidents. Provide expertise to swiftly restore normal operations and implement preventive measures for future.

Required Clearance:

Secret (#secret)

Required Qualifications:

• Experience supporting DoD or DISA IT service programs.
• Deliver deploy and sustain an unclassified Cloud Service Offering (CSO)

Desired Qualifications:

• Relevant certifications (Cisco CCNP/CCIE for networking Microsoft/CISSP for security) reflecting mastery in network and security engineering.
• Experience with cloud infrastructure virtualization and FedRAMP solutions.
• Background in performance tuning of large-scale systems (load balancing latency)

Weekly Hours:

Time Type:

Location:

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age color national origin citizenship status physical or mental disability race religion creed gender sex sexual orientation gender identity and/or expression genetic information marital status status with regard to public assistance veteran status or any other characteristic protected by federal state or local addition AT&T will provide reasonable accommodations for qualified individuals with disabilities.AT&T is a fair chance employer and does not initiate a background check until an offer is made.