Lead System Engineer
Plano, Texas
JOB TITLE: Lead System Engineer
JOB LOCATION: 2900 W. Plano Pkwy, Plano, TX 75075 [Hybrid position]
DUTIES: Design, develop, test, and implement enterprise-grade applications by building and enhancing software components to meet business goals, operational needs, and industry standards for quality, scalability, reliability and performance. Direct technical design and hands-on development of multi-platform systems, collaborating with architects and stakeholders to translate
requirements into actionable deliverables and ensure a unified architectural vision. Write robust, maintainable, and reusable code in Java/J2EE and microservices architectures, utilizing best practices such as TDD, unit testing, and frameworks like JUnit, Mockito and Spock. Conduct thorough code reviews, mentor engineers, and foster a culture of technical excellence. Collaborate with DevOps and production support to resolve issues, optimize deployments, and maintain seamless operations using CI/CD tools like GitHub, Jenkins, and Bamboo, and containerization with Docker and Kubernetes. Lead security reviews and vulnerability assessments of APIs, addressing injection, cross-site scripting, and data exposure. Analyze and transform legacy systems (EJBs) into modern, JSON-based RESTful microservices, and drive adoption of event-driven systems using Kafka. Ensure robust data persistence in Cassandra, PostgreSQL and cloud-native. Oversee API performance monitoring and dashboard creation with ELK, Dynatrace. Partner with teams on modernization strategies, technical debt reduction for AT&T’s business growth.
REQUIREMENTS: Requires a Bachelor’s degree, or foreign equivalent degree, in Computer Science, Computer Engineering, or Engineering and five (5) years of progressive, post-baccalaureate experience in the job offered, or five (5) years of progressive, post-baccalaureate experience in a related occupation developing methodologies through the application of various programming languages; estimating story points using Reference Story in Scrum and Fibonacci sequences; utilizing API monitoring and dashboards using ELK, Dynatrace, MuleSoft, and Swagger; utilizing Java, RESTful APIs, Spring, Spring MVC, Spring Kafka, Microservices, Git, Junit, Mockito/ JMock, Selenium, and Cucumber; using relational database tools and skills including SQL, Oracle, MS SQL, PostgreSQL, and data manipulation, migration, and scrubs; utilizing JSON, XML, SoapUI, Postman, Azure cloud, NoSQL DB, and Cosmos; utilizing jQuery,
ReactJS, JSON, and JavaScript; and following Agile, Scrum, and Kanban development methodologies and software tools including iTrack and ADO to deliver key business initiatives.
Our Lead System Engineers earn between $171,188 - $237,400 yearly. Not to mention all the other amazing rewards that working at AT&T offers.
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:
40Time Type:
RegularLocation:
Plano, TexasIt 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-108269 Date posted 05/07/2026
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
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Assessments
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Interview
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