C

Comcast

Cable, internet, and networks provider

Quality Assurance Engineer

Full-Time
No salary listed
Senior
Bachelor's
Philadelphia, PA, USA
In Person
No H1B Sponsorship

About the job

Requirements
  • A degree in Computer Science, Engineering, or a related field, or equivalent experience.
  • 5-7 years of experience in the telecommunications industry.
  • QA and certification knowledge and expertise.
  • Experience with DOCSIS and/or PON technologies, including their operational and technical nuances.
  • Telecommunications and/or networking experience, including software-defined networking and network functions virtualization knowledge.
  • Experience with AWS or cloud-based deployment practices is a plus.
  • DevOps and continuous integration/continuous delivery experience with Kubernetes, GitHub, Docker, Ansible, and Jenkins.
  • Scripting knowledge in Bash, Python, and JavaScript.
  • Experience using Linux or Unix systems, including basic debugging in Linux or Unix environments.
  • Knowledge of data analytics tools such as Splunk, Grafana, and Prometheus.
  • Experience with performance testing tools such as IXIA and ByteBlower.
  • Familiarity with microservice architecture and containerized deployment.
  • Familiarity with data serialization formats such as XML, JSON, and protocol buffers.
  • Knowledge of operational support tool technologies including ELK, Splunk, Prometheus, InfluxDB, and Grafana.
  • Knowledge of network fundamentals, protocols, simulation tools, and virtualization technologies.
  • Ability to adapt, take initiative, and take ownership.
  • Ability to work in a fast-paced agile environment where requirements change quickly.
  • Ability to communicate technical challenges and solutions to a diverse audience.
Responsibilities
  • Contribute to the development of Quality Assurance test philosophies and methodologies.
  • Identify viable test strategies to support testing product functionality.
  • Work with product, architecture, engineering, and operations teams to define test plans, test cases, and test reports within specified timelines.
  • Review and verify requirements and design specifications for validity in the overall product design, with an emphasis on product testability and verification.
  • Execute regression test procedures and automated test suites and scripts, and participate in design, code, and functional product reviews.
  • Develop testing strategies focused on continuous integration and automated regression testing to reduce end-to-end delivery times to production.
  • Work with Quality Assurance Engineers and developers to identify, reproduce, and document bugs or defects.
  • Provide guidance and mentorship for junior-level engineers.
  • Apply Quality Assurance testing models to inspect and analyze new and deployed features, evaluating results for adherence to specifications, technical requirements, and established business processes.
  • Produce documentation and metrics to reduce test intervals and improve quality.
  • Maintain the test infrastructure and environment.
  • Design and build testing automation frameworks using custom code and open-source tools for regression, smoke, and load tests.
  • Resolve lab and system setup issues with the team.
  • Work with the automation team to address nightly automation regression-run failures and keep the automation backlog current with new virtual Cable Modem Termination System release features.
  • Perform detailed analysis of product issues and provide information for quick turnaround.
  • Provide status updates on work and issues to the team and management.
Desired Qualifications
  • Experience with AWS or cloud-based deployment practices.

About the company

Comcast provides high-speed internet, cable television, and phone services to residential and business customers while also operating major media networks, film studios, and theme parks. The company delivers these services through its Xfinity and Sky brands and generates revenue by selling subscriptions, advertising space, and entertainment experiences. Unlike many competitors, Comcast controls both the distribution infrastructure and the content itself, allowing it to manage the entire pipeline from production to the consumer's home. Its goal is to use this integrated network to provide a wide range of media and technology services to a global audience.

Company Size

10,001+

Company Stage

IPO

Headquarters

Philadelphia, Pennsylvania

Founded

1963

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Simplify Jobs

Simplify's Take

What believers are saying

  • Q2 2026 Peacock turned profitable, posting $189 million EBITDA and 48 million subscribers.
  • Xfinity Mobile added 448,000 lines in Q2 2026, crossing 10.2 million total lines.
  • Comcast announced June 29, 2026 NBCUniversal and Sky separation to unlock valuation.

What critics are saying

  • Comcast lost 167,000 broadband customers in Q2 2026 as fiber and fixed wireless intensify.
  • June 29, 2026 spinoff plans risk execution distraction, financing strain, and stranded overhead.
  • Net debt near $82.7 billion leaves Comcast exposed if broadband pricing keeps collapsing.

What makes Comcast unique

  • Comcast reaches 65 million homes with cable, wireless, and multi-gig broadband.
  • NBCUniversal owns Peacock, Olympics, NFL, and Universal Parks, bundling irreplaceable IP.
  • Comcast’s 200-edge network improves live streaming and network monitoring at scale.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Company Match

Paid Vacation

Paid Parental Leave

Tuition Reimbursement

Unlimited Paid Time Off

Company News

PR Newswire
Sep 30th, 2026
Harmonic launches Recon fiber monitoring solution developed with Comcast

Harmonic has launched Recon, a network monitoring solution developed with Comcast, to help broadband operators detect and resolve network issues faster. The product family is built on Comcast's XMFR fiber monitoring technology, which has been proven in Comcast's own network. Recon combines in-network monitoring hardware and handheld diagnostic tools with cloud-based software to provide real-time visibility across fiber infrastructure. The solution integrates with Harmonic's cOS SensAI intelligence fabric to proactively detect faults and validate fixes. The technology continuously monitors network performance to identify degradation or fiber cuts and provides precise location information to network teams. This helps operators detect minor issues before they escalate into large-scale outages and gives field technicians better diagnostic information. Harmonic plans to expand the Recon family over time as part of its broader network intelligence portfolio.

Associated Press
Sep 29th, 2026
Comcast deploys fiber sensing technology to detect network threats in real time

Comcast has deployed fiber sensing technology that uses its fiber lines to detect and identify activity around its network in real time. The system analyses vibrations travelling through fiber to spot events such as construction near buried lines, providing early warnings of potential damage. The technology can distinguish between different types of activity, like subway trains or construction equipment, and pinpoint their location. Comcast is exploring combining fiber sensing with AI to enable capabilities such as automatically dispatching drones to assess network damage or wildfires. Chief Network Officer Elad Nafshi said the technology helps deliver "a more reliable, responsive and resilient experience for customers". The deployment builds on Comcast's broader effort to make its network more intelligent and automated through distributed software, telemetry and AI.

Business Wire
Sep 28th, 2026
Comcast and Fastly deploy edge computing to boost Peacock's live sports streaming quality

Comcast and Fastly have partnered with NBCUniversal to improve streaming quality for Peacock's live sports events by moving content closer to viewers. The collaboration runs Fastly's content delivery software directly on Comcast's distributed network of over 200 edge computing centres across the US. The approach addresses the massive infrastructure demands of live sports streaming, where millions of viewers arrive simultaneously. By processing content within Comcast's network rather than from centralised external locations, the system reduces duplicate traffic and delivery distances. The model particularly benefits major sporting events on Peacock, including NFL, NBA, and MLB games. Beyond live streaming, the underlying technology could support gaming, cybersecurity, AI inference, and enterprise cloud services. Comcast continues exploring additional applications for its edge computing resources.

Yahoo Finance
Sep 27th, 2026
Comcast expands fiber to rural US communities amid broadband subscriber pressures

Comcast has expanded its Xfinity and Comcast Business fiber networks to thousands of homes and businesses across New Hampshire, Minnesota, and South Carolina. The buildouts, supported by public-private partnerships, bring multi-gigabit symmetrical internet to previously underserved rural communities. In New Hampshire alone, Comcast added nearly 4,700 new connections in Milton and New Durham. The expansion aims to grow the company's addressable market through bundled connectivity, security, and mobile services. However, analysts remain cautious about Comcast's broadband business amid subscriber losses and intensifying competition from fixed internet providers. The company also faces weaker theme park attendance. Analysts project Comcast's revenue will decline 1.1% annually through 2029, though earnings are expected to grow modestly from $11.2 billion to $11.3 billion.

Yahoo Finance
Sep 24th, 2026
Cable ISPs quietly raise autopay bills from $50 to $95+ over 36 months, costing loyal customers $840 extra

Consumer advocate Clark Howard warned on his 23 September 2026 podcast that cable internet providers are "gouging" customers on autopay by steadily increasing bills. Charter Communications and Comcast quietly raise promotional rates from around $50 to $95 or more over 36 months, costing loyal customers an extra $840 over two years. Charter lost 172,000 internet customers in Q2 2026, whilst Comcast lost 167,000 domestic broadband subscribers. Yet Charter's revenue grew 4% year-over-year through "promotional rate step-ups and rate adjustments". Howard recommends calling retention lines and citing competitor rates from fibre or fixed wireless providers like Verizon or T-Mobile, which offer service at roughly $40 monthly. Charter shares have fallen 56% over the past year to $118, whilst Comcast dropped 20% to around $23.