Principal Member of Technical Staff

**Job Description:****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.**Join AT&T’s Voice OSS organization to lead the modernization of mission‑critical provisioning platforms that power our Voice portfolio. As a Principal Member of Technical Staff, you will apply advanced engineering and scientific expertise to architect, design, and deliver innovative solutions from inception to implementation, aligned to the company’s strategic direction.The **Service Provisioning Platform (SPP)** and **Network Element Activation Manager (NEAM)** are central to provisioning AT&T VoIP services—supporting BVoIP, CVoIP, VoLTE/VoNR, IP Toll‑Free/8YY, E911/N11, routing, and trunking—and integrate with inventory, activation, testing, and audit systems across the Voice OSS domain. You will help drive **VoXPro**, a multi‑year initiative to transition from legacy J2EE/Struts and Kabira workloads to **cloud‑native microservices**, modernize the **React** UI, and establish resilient, observable **Azure** delivery.**What you'll do*** Architect and decompose legacy SPP/VoXPro services into cloud-native microservices, using patterns like strangler and anti-corruption layers.* Lead modernization of the application stack, including Java 8→17+, WebSphere/J2EE→Spring Boot Microservices and Kubernetes, JMS 1.1→2.0, Oracle 11g→19c, and Struts/JSP→React for UI.* Establish cloud-native delivery on Azure, including containerization, CI/CD pipelines, environment promotion, and observability (metrics, logs, traces, SLOs).* Integrate with AT&T platforms—API Gateways, iPlatforms, and eventing systems (DMaaP, IEBUS)—to deliver secure, reliable interfaces across on-prem and cloud boundaries.* Mentor senior engineers, lead design reviews and production readiness assessments, and partner with cross-functional stakeholders to align roadmaps and preserve service levels.* Apply data-driven decisioning using telemetry and provisioning KPIs to improve throughput, success rates, and rollback strategies.**What you'll bring*** Experience with legacy platforms such as Kabira KPSA, Oracle ASAP, CORBA/Iona, and WebSphere, with proven approaches to safely encapsulate or sunset these technologies.* Familiarity with AT&T delivery processes and tools (PMATT design/attestations, forum-based knowledge capture for provisioning SMEs).* Experience orchestrating activation gateways that preserve on-prem device connectivity while enabling cloud application layers.* Strong mentoring skills and the ability to uplift engineering rigor across teams.* A collaborative mindset and the ability to partner effectively with cross-functional stakeholders.**What you'll need*** PhD with 4+ years, MS with 6+ years, or BS with 8+ years in an approved field from an approved university per the Technical Career Pathway (TCP); exceptions require Board Review.* Deep experience with modern Java platforms (Java 17, Spring Boot, Kubernetes), refactoring legacy J2EE/WebSphere services, and strong knowledge of JMS 2.0 and transactional patterns.* Proven delivery migrating Struts/JSP to React SPA with enterprise tooling and accessibility awareness.* Hands-on expertise in cloud-native delivery on Azure, including containerization, CI/CD (Maven/Jenkins), environment promotion, and operational readiness.* Understanding of VoIP provisioning and activation flows (BVoIP/CVoIP, routing/trunking, 8YY/E911/N11) within a high-reliability OSS ecosystem.* Practical DevSecOps experience and adherence to AT&T security controls, including CCAM alignment.* Apply knowledge of AT&T's IMS Core Network elements and provisioning interfaces (Nokia NEs), experience with CPE EMS provisioning interfaces, and AT&T's OSS systems.Our **Principal Member of Technical Staff** earns between$180,200 - $270,400 USD Annual. 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 phoneIf you’re ready to make an impact on our business and your career, bring your bold ideas to a world of possibility.

Apply today!**Weekly Hours:**40**Time Type:**Regular**Location:**USA:TX:Dallas / Three AT&T Plaza (308 S Akard St) - Co:308 S Akard St**Salary Range:**$180,200.00 - $270,400.00It 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. #J-18808-Ljbffr