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Lead Member of Technical Staff

Dallas, Texas

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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.

At AT&T, we connect people to greater possibility. As a Lead Member of Technical Staff, you’ll design and operate secure, scalable voice and data platforms that power exceptional customer experiences. You’ll translate complex business needs into resilient technical solutions, elevate our VoIP ecosystem, and set the bar for reliability, performance, and security across our networked services.

This role leads the architecture, engineering, and operations of integrated voice and data systems—spanning hardware, software, and network components. You’ll apply deep expertise in VoIP and enterprise networking, drive DevOps release excellence, and use AI‑powered capabilities for test automation, predictive analytics, and advanced security—ensuring our platforms meet stringent performance, usability, scalability, reliability, and security requirements.

What you'll do

  • Translate requirements into solutions: Convert business requirements into engineered solutions grounded in information technologies and sound engineering principles.
  • Architect integrated systems: Design, develop, document, and analyze architectures for integrated voice/data systems to meet performance, scalability, reliability, usability, and security goals.
  • Engineer VoIP & network services: Apply advanced expertise in VoIP (e.g., SIP trunking, Cisco Unified Communications) and networking (TCP/IP, UDP, VLANs, NAT, DNS, QoS/DSCP).
  • Implement & operate platforms: Implement, configure, and maintain service‑provider and enterprise VoIP networks; manage day‑to‑day operations of VoIP test systems and enforce VoIP server policies.
  • Own complex voice stacks: Work across Cisco, Oracle, and Avaya PBX solutions; Ribbon and Oracle SBCs; SIP proxy servers; dial plan design; call analytics; HRM apps; IVR; DTMF; and related routing components.
  • Analyze at protocol level: Perform end‑to‑end VoIP trace analysis across multiple elements using tools such as Wireshark, Radcom, and SIPp; manage incident tickets and escalation workflows.
  • Assure quality & security: Lead requirements analysis, test case development, functional/feasibility testing (including Class‑5 line‑side features), and system/integration testing of voice, data, and web components; oversee QA for web interfaces to VoIP subsystems; perform security monitoring and proactive usage/capacity monitoring.
  • Drive DevOps reliability: Execute production support, software releases/patches, and emergency hot fixes using DevOps best practices; leverage expert Linux RHEL/Unix skills and OSI L1–L4 networking.
  • Lead cross‑functional collaboration: Participate in and/or lead project meetings to report progress, resolve issues, and ensure solution requirements are delivered.

What you'll need

  • Expertise in VoIP & protocols: Mastery of VoIP technologies (e.g., SIP trunking, Cisco BroadWorks) and protocols (TCP/IP, UDP, SIP, RTP, H.323, DTMF).
  • Tool proficiency: Hands‑on protocol analysis with Wireshark, Radcom, and IRIS; experience with call test automation tools such as SIPp.
  • Platform experience: Depth with Cisco, Oracle, and Avaya PBX solutions; Ribbon and Oracle SBCs; SIP proxy servers; dial plan design; HRM applications; call analytics; codecs; IVR; DTMF; and routing protocols.
  • Systems engineering & operations: Demonstrated success engineering, configuring, and maintaining enterprise VoIP networks; managing test systems; analyzing protocol traces; developing M&Ps for releases/patches; executing requirements analysis, testing, and compliance checks.
  • Security & reliability mindset: Ability to perform security monitoring, detect intrusions, and proactively optimize network usage for stability and performance.
  • DevOps & OS fundamentals: Strong Linux RHEL/Unix administration and networking across OSI Layers 1–4; readiness to support production releases and hot fixes.

What you'll bring

  • Education: Master’s degree (or foreign equivalent) in Computer Science, Information Technology, Electrical or Electronic Engineering; or Bachelor’s (or foreign equivalent) in the same fields plus 5 years progressive post‑baccalaureate experience in the offered role; or 5 years progressive post‑baccalaureate experience in a related role with specialized technical expertise.
  • Breadth across disciplines: Ability to apply technical principles and methods across multiple domains with a strong understanding of VoIP products, services, and internal operations.
  • Problem‑solving & leadership: Proven ability to lead complex initiatives, collaborate across teams, manage escalations, and communicate progress and trade‑offs effectively.
  • Quality focus: A rigorous approach to validation, test design, analytics, and continuous improvement—grounded in data and real‑world operations.

Our Lead Member of Technical Staff earns between $171,600 - $257,400 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 phone

If you’re ready to make an impact on our business and your career, bring your bold ideas to a world of possibility.  Apply today!

Ready to join our team? 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:

$171,600.00 - $257,400.00

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.

Job ID R-84922 Date posted 10/23/2025
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Benefits

Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.

  • Paid Time Off
  • Tuition Assistance
  • Insurance Options
  • Discounts
  • Training & Development

Learn more about benefits

Our hiring process

Apply Now

Confirm your qualifications align with the job requirements and submit your application.

Assessments

You may be required to complete one or more assessments, depending on the role.

Interview

Get ready to put your best foot forward! More than one interview may be necessary.

Conditional Job Offer

We’ll reach out to discuss a conditional job offer and the next steps to joining the team.

Background Check

Timing is important – complete the necessary actions to proceed with onboarding.

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