Senior System Engineering – Engineering Operations

AT&T

Senior System Engineer managing production issues and ensuring systems reliability at AT&T. Collaborating with dev teams and automating operations to optimize performance.

Posted 5/21/2026full-timePlano • Texas • 🇺🇸 United StatesSenior💰 $160,000 - $215,800 per yearWebsite

Tech Stack

Tools & technologies

AzureCloudDockerERPJ2EEJavaJavaScriptJenkinsKubernetesLinuxPythonSplunkSpringSQL

About the role

Key responsibilities & impact

Lead the response to production issues, ranging from identifying and troubleshooting problems to implementing immediate fixes.
Ensure minimal downtime and adherence to service level agreements (SLAs).
Build alerting, monitoring and dashboards that identify problems proactively.
Utilize strong analytical, technical and functional skills to diagnose and resolve complex issues within production environments with a focus on immediate impact mitigation, automating recovery processes and routine maintenance tasks to improve system reliability and efficiency.
Work with dev teams to implement long-term solutions to prevent recurrence of incidents.
Create and maintain documentation for system architecture, configuration, deployment procedures, and troubleshooting guides.
Develop and maintain scripts and automation tools to streamline operations, deployment processes, and repetitive tasks.
Identify non-functional requirements such as reliability, performance, scalability, application logging for observability and acceptance criteria during design and development and ensure that these are met before moving to production.
Monitor application performance using tools such as Dynatrace, App Dynamics and ELK.
Identify bottlenecks and work with dev teams to optimize the performance of applications through code improvements, configuration tuning, and resource optimization.
Define SLI/SLOs, Error Budgets, Automation focus.
Work with dev/architect/quality engineering teams to identify and document patterns of failures as lessons learnt from incidents and follow up to implement the remediations to make the application resilient.
Monitor system usage patterns and perform capacity planning to ensure scalability and reliability of applications and services.
Participate in security assessments and implement security best practices to safeguard applications and data.
Respond promptly to security incidents and vulnerabilities.
Work with Release Management related to upcoming changes to production to identify risks and mitigate them.
Collaborate with development teams to manage and support application releases and deployments.
Ensure changes are rolled out in a controlled manner with minimal impact on production services.
Proactive problem detection, trend and pattern analysis, assessment of impact of problems, functional analysis of problems.
Provide metrics and status reports and review with leadership and stakeholder communities; establish processes surrounding metrics gathering, reporting and communication; Provide prompt visibility and status of escalated issues, incidents and outages to leadership, business partners and other key stakeholders.
Strong verbal and written communication skills.
Work closely with Product Development teams to ensure Knowledge Transfer related to changes to the system well in advance of change getting operationalized.
On-call 24x7 support for agent facing applications– Home Grown J2EE apps as well as SaaS Platform apps - Salesforce, Salesforce Marketing Cloud and MuleSoft.
Support large scale applications in production with an Engineering approach (SRE) – including Java EE apps, ERP, CRM apps in an operations capacity.
Architect and develop web applications.
Use observability tools including Dynatrace, App Dynamics, Splunk, ELK, MuleSoft AnyPoint, Quantum Metric, Catchpoint to create alerts, dashboards, reports, synthetic monitoring.
Understanding and working experience with integration technologies and API Gateways, MuleSoft, WebLogic.
Utilize Object Oriented Programming Languages - Java, J2EE technologies, JavaScript, and frameworks (Spring).
Use automation tools and scripting languages (Python, Shell).
Utilize containerization (Docker, Kubernetes) and cloud services (Azure).
Employ DevOps practices and tools (CI/CD pipelines, Git, Jenkins).
Apply network protocols, load balancing, and security principles.
Utilize database SQL queries.
Build Linux shell scripts on demand.

Requirements

What you’ll need

Requires a Bachelor’s degree, or foreign equivalent degree in Computer Engineering, Computer Science, or Information Technology
3 years of experience in the job offered or a related occupation supporting large scale applications in production with an Engineering approach (SRE)
Architecting and developing web applications
Using Observability tools including Dynatrace, App Dynamics, Splunk, ELK, Mulesoft AnyPoint, Quantum Metric, Catchpoint to create alerts, dashboards, reports, synthetic monitoring
Understanding and working experience with integration technologies and API Gateways, MuleSoft, WebLogic
Utilizing Object Oriented Programming Languages - Java, J2EE technologies, JavaScript, and frameworks (Spring)
Using automation tools and scripting languages (Python, Shell)
Utilizing containerization (Docker, Kubernetes) and cloud services (Azure)
Employing DevOps practices and tools (CI/CD pipelines, Git, Jenkins)
Applying network protocols, load balancing, and security principles
Utilizing database SQL queries
Building Linux shell scripts on demand.

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaJ2EEJavaScriptSpringPythonShell scriptingDockerKubernetesSQLCI/CD

Soft Skills

analytical skillsproblem-solvingcommunication skillscollaborationdocumentationcapacity planningtrend analysisincident responseleadershipknowledge transfer