Lead System Engineer

AT&T • Plano, TX

2d • Hybrid

About The Position

The Lead System Engineer will be responsible for designing, developing, testing, and implementing enterprise-grade applications. This involves building and enhancing software components to meet business goals, operational needs, and industry standards for quality, scalability, reliability, and performance. The role includes directing technical design and hands-on development of multi-platform systems, collaborating with architects and stakeholders to translate requirements into actionable deliverables, and ensuring a unified architectural vision. The engineer will write robust, maintainable, and reusable code in Java/J2EE and microservices architectures, employing best practices like TDD and unit testing with frameworks such as JUnit, Mockito, and Spock. Additionally, the position involves conducting code reviews, mentoring engineers, and fostering technical excellence. Collaboration with DevOps and production support teams is crucial for issue resolution, deployment optimization, and seamless operations using CI/CD tools and containerization technologies. The role also entails leading security reviews and vulnerability assessments, analyzing and transforming legacy systems into modern microservices, driving adoption of event-driven systems, ensuring robust data persistence, and overseeing API performance monitoring. Partnering with teams on modernization strategies and technical debt reduction is key for business growth.

Requirements

• Bachelor’s degree, or foreign equivalent degree, in Computer Science, Computer Engineering, or Engineering.
• 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.
• Following Agile, Scrum, and Kanban development methodologies and software tools including iTrack and ADO to deliver key business initiatives.

Responsibilities

• Design, develop, test, and implement enterprise-grade applications by building and enhancing software components.
• Direct technical design and hands-on development of multi-platform systems.
• Collaborate with architects and stakeholders to translate requirements into actionable deliverables.
• Ensure a unified architectural vision.
• Write robust, maintainable, and reusable code in Java/J2EE and microservices architectures.
• Utilize best practices such as TDD, unit testing, and frameworks like JUnit, Mockito and Spock.
• Conduct thorough code reviews and mentor engineers.
• Foster a culture of technical excellence.
• Collaborate with DevOps and production support to resolve issues, optimize deployments, and maintain seamless operations.
• Utilize 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.
• 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 and technical debt reduction.

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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior