Sr. Quality of Service (QoS) Software Engineer - Chicago, IL OR Reston, VA

We’re looking for a Senior Sr. Quality of Service (QoS) Software Engineer to be the central point of accountability for Quality of Service in Software Engineering.

• Own the Escalations lifecycle within Engineering, from the beginning through resolution.
• Lead root cause analysis (RCA) sessions that dig deeper than symptoms and deliver long-lasting fixes.
• Facilitate retrospectives and follow-ups, turning lessons learned into clear improvement plans.
• Define and track metrics (incident frequency, resolution times, client impact), and make them visible through dashboards and reports.
• Partner with teams to strengthen systems through tooling, automation, and platform hardening.
• Keep a cross-platform perspective (TV, Data, Beeswax, Strata) to spot patterns and systemic issues.

• 6+ years of technical experience in software engineering, site reliability, or production operations.
• Proven track record of managing the full software development lifecycle (SDLC), from requirements gathering to production release.
• Hands-on understanding of full-stack components: Frontend/UI frameworks and client experience, APIs & service layers, Database layer (SQL/NoSQL, data modeling, performance tuning), Backend servers and distributed systems, Big data & ETL pipelines (batch and streaming).
• Strong knowledge of incident management (PagerDuty, Jira, Datadog, Splunk, ServiceNow).
• Confidence to dive deep with engineers while also translating technical details into clear business context for executives and clients.
• Experience operating in global, multi-time-zone environments with diverse customer and platform needs.

• Paid Time off
• Physical Wellbeing
• Financial Wellbeing
• Emotional Wellbeing
• Life Events + Family Support

Make your mark at Comcast -- a Fortune 30 global media and technology company.