**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.** **What you'll do:** We are seeking a forward‑thinking **Principal Member of Technical Staff (PMTS)** to join our Service Design & Architecture organization. This role is ideal for a seasoned technical leader who combines deep engineering expertise with strategic vision. You will work across Product Management, Technology, and Alliance Partner teams to shape innovative solutions, guide long‑term technology strategy, and ensure new services are technically sound and aligned to market needs. As a senior technical expert, you will influence executive decisions, lead high‑impact projects, mentor others, and help drive our 3–5‑year roadmap—particularly in areas such as APIs, AI, cloud networking, SD‑WAN, and next‑generation access technologies. **What you'll bring:** **Technical Strategy & Leadership** + Serve as a subject matter expert across Layers 1–7, providing guidance on architecture, design, and emerging technologies. + Lead the development of scalable, secure, and innovative technical solutions. + Support CI/CD processes for complex design and engineering initiatives. + Influence strategic decisions by advising senior leadership and cross‑functional partners. **Research, Innovation & Collaboration** + Drive R&D efforts related to new technologies, architectures, and capabilities. + Evaluate market trends and integrate emerging technologies into future service designs. + Collaborate with Product Management, Alliance Partners, and internal organizations to ensure feasibility and alignment with business goals. **Project Leadership** + Lead complex, cross‑functional initiatives from concept through implementation. + Communicate technical concepts and project progress clearly to diverse stakeholders. + Partner with vendors and internal teams to deliver complete end‑to‑end solutions and certification requirements. **Lifecycle Service Support** + Provide advanced technical support for Product Management, account teams, and customers. + Act as a liaison across organizations to validate service architectures and identify new revenue opportunities. **What you'll need:** **Technical Expertise** + Deep knowledge of Layer 1–7 technologies, including: + Fiber, Ethernet (VLAN/VXLAN), 5G, LTE, MPLS + TCP/IP, QUIC, UDP, IPsec, WireGuard, routed protocols (BGP, OSPF, etc.) + SD‑WAN architectures, policies, and security + Application gateways, firewalls, SBCs, API frameworks + Strong background in cloud connectivity (AWS, Azure, GCP) and data center fabrics (Equinix, Digital Realty). + Experience designing metro/long‑haul connectivity, ROADM, VPLS/EVPN, VXLAN, Segment Routing, and MPLS architectures. + Proficiency with Network Function Virtualization (NFV), including platforms such as AWS, Azure, GCP, Dell, Red Hat, KVM, VMware ESXi, Hyper‑V, and others. + Familiarity with AT&T network services (ASE/ASEoD, Wavelength, Direct Internet, VPN, Business Fiber, SD‑WAN, etc.)—preferred but not required. Our Principal Member of Technical Staff, earns between $189,200.00 - $283,800.00 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 phone. \#LI-Onsite – Full-time office role- Ready to join our team? Apply today **Weekly Hours:** 40 **Time Type:** Regular **Location:** USA:NJ:Middletown / S Laurel Ave - Bldg A:200 S Laurel Ave Bldg A **Salary Range:** $189,200.00 - $283,800.00 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. AT&T will consider for employment qualified applicants in a manner consistent with the requirements of federal, state and local laws We expect employees to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected veteran status or employment status