Technical Expert (Government) at AT&T in San Antonio, TX

Technical Expert (Government) Location: San Antonio, Texas 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 the Federal 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 Cloud‑Based 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) Our Technical Expert's earn between $125,000 - $140,000. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training. Joining our team comes with amazing perks and benefits: Medical/Dental/Vision coverage 401(k) plan Tuition reimbursement program Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) Paid Parental Leave Paid Caregiver Leave Additional sick leave beyond what state and local law require may be available but is unprotected Adoption Reimbursement Disability Benefits (short term and long term) Life and Accidental Death Insurance Supplemental benefit programs: critical illness/accident hospital indemnity/group legal Employee Assistance Programs (EAP) Extensive employee wellness programs Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone Weekly Hours: 40 Time Type: Regular Location: San Antonio, Texas 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 law. In 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.