Job Overview
Location
IL - Chicago, 350 N. Orleans St 1300N
Job Type
Full-time
Category
Software Engineering
Date Posted
July 10, 2026
Full Job Description
📋 Description
- • Principal Software Engineer - Ad Tech & Distributed Systems is responsible for leading reliability, performance, and operational excellence of the FreeWheel platforms.
- • This role focuses on designing, operating, and troubleshooting large-scale distributed systems while owning monitoring, incident response, change management, and capacity planning.
- • As a technical subject matter expert, the Principal Software Engineer leads and resolves complex issues, automates operational workflows, and partners with engineering, vendors, and client services to deliver scalable, high-quality solutions.
- • The role operates with limited supervision, applying sound judgment and independently developing solutions for non-routine and complex challenges.
- • Own production reliability, availability, latency, and performance of large-scale, mission-critical systems.
- • Design, implement, and operate monitoring, alerting, and observability solutions to ensure system health and rapid detection of issues.
- • Lead incident response, root cause analysis, and post-incident reviews to drive long-term reliability improvements.
- • Support and ensure stable operations during high-visibility, time-sensitive live events and releases.
- • Drive automation initiatives to reduce operational toil, improve efficiency, and increase system resilience.
- • Partner with software engineering teams to influence architecture and design decisions with production readiness in mind.
- • Lead and execute change management, capacity planning, and production readiness reviews.
- • Champion security, vulnerability management, and secure configuration practices across production environments.
- • Enforce and continuously improve Engineering Operations processes, standards, and best practices.
- • Participate in on-call rotations, including weekend coverage, and provide escalation support for complex production issues.
🎯 Requirements
- • Requires 10+ years of professional experience in software development/engineering, with a proven track record of designing, building, and maintaining scalable applications.
- • 5+ years experience with AWS.
- • Expert-level coding, debugging, and troubleshooting skills across complex, distributed production systems.
- • Proven ability to lead and mentor engineers in automation, reliability engineering, and production problem-solving.
- • Strong experience designing and operating server-side applications or services using Python, Go-Lang, or Scala.
- • Experience developing, operating, and troubleshooting distributed systems and backend services.
- • Familiarity with data processing platforms, data pipelines, and large-scale system architectures.
- • Deep knowledge of Linux systems, system internals, networking, and production infrastructure.
- • Extensive experience with AWS cloud architecture and services including VPC, subnets, NACLs, security groups, EC2, S3, IAM, Route 53, Lambda, and related services.
- • Proficiency with infrastructure-as-code and configuration management tools and practices.
- • Mastery of CI/CD and SDLC tools (Docker, Kubernetes, Jenkins, Git, Ansible, Chef, and Puppet).
- • Strong understanding of database technologies, SQL, performance tuning, and operational data management.
- • Advanced analytical and data-driven problem-solving skills, including use of metrics to guide decisions.
- • Strong communication skills, attention to detail, adaptability, and ability to work effectively within a global, cross-functional team.
🏖️ Benefits
- • Primary Location Pay Range: $152,828.79 - $229,243.19.
- • Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work.
- • Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus.
- • Additionally, Comcast provides best-in-class Benefits to eligible employees.
- • We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most.
- • That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life.
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About Comcast Corporation
Comcast Corporation is a global telecommunications and media conglomerate headquartered in Philadelphia, Pennsylvania. It operates through two primary segments: Comcast Cable, which provides broadband, video, voice, and wireless services under the Xfinity brand, and NBCUniversal, which owns and operates cable networks, broadcast television, filmed entertainment, and theme parks. The company also owns Sky, a leading European media and entertainment company. Comcast is one of the largest internet and pay-TV providers in the United States, serving millions of residential and business customers. Founded in 1963 as a single-system cable operator, it has grown through acquisitions and infrastructure expansion.
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