SIRAJ RAJAMANICKAM
Northern Virginia
Summary
Senior quality engineering leader directing 24 engineers and QA managers across 11 product teams. Leads AI-assisted test automation, CI quality gates, and observability practices that reduced test script development time by 55% and improved release readiness for large-scale search and recommendation platforms.
Overview
22
22
years of professional experience
Work History
Senior Manager, Software Development & Quality Engineering – Content Discovery
COMCAST
Washington DC
05.2016 - Current
- Directly lead a high-performing organization of 24 engineers and QA Managers embedded across 11 cross-functional teams, driving global quality strategy and engineering governance for Comcast's core search, browse, and personalized recommendation engine.
- AI & LLM Innovation: Concepted, built, and deployed a proprietary internal generative AI tool using the OpenAI API and LangChain to automatically generate production-ready Karate automation code for API testing; slashed test script development cycles by 55%, shifted teams from manual effort to AI-assisted workflows, and accelerated developer productivity across all 11 squads.
- Transformed testing paradigm by designing centralized Quality Engineering Center of Excellence (CoE) and architecting custom no-code automation framework, widening testing ownership beyond traditional SDETs and standardizing architectural quality patterns across enterprise.
- Established enterprise Concourse CI pipelines mandating automated quality checks on every pull request, utilizing Kubernetes-based deployments to deliver highly reproducible test environments.
- Advanced Test Scale & Observability: Standardized automated API strategies with Karate and performance profiles with Gatling; integrated GoReplay shadow traffic validation to stress-test microservices against live production traffic patterns prior to major platform releases.
- Data Pipeline & Observability Validation: Built out sophisticated telemetry networks utilizing Prometheus, Grafana, and Splunk to maintain real-time quality observability; validated hyper-scale streaming and serverless data architecture across AWS Kinesis, SQS, S3, and Lambda.
- Partnered with VP-level Engineering, Product, and Business stakeholders on release readiness, risk assessment, and cross-functional defect reviews; modernized in-house core testing assets ("Jester") to eliminate legacy vendor constraints.
Test Lead – REX Search Engine
ISOFTech INC (Client: Comcast, Washington DC)
Washington, DC
08.2014 - 05.2016
- Led technical execution, team building, and release management for Comcast's critical search and recommendation systems across cross-platform environments (Set-Top Box, Web, Xbox, iOS, Android).
- Directed full-lifecycle release readiness reviews and rapid defect triage within strict Scrum monthly release cadences, ensuring successful complex production deployments and live validations.
- Delivered comprehensive functional, integration, UAT, and end-to-end test strategies, integrating automated JMeter performance suites to enhance testing efficiency.
- Conducted deep-level verification of application logs via Splunk and managed structured validations for high-throughput Couchbase and Azkaban-driven JSON feed distributions.
Test Lead (Progressive Advancement from Software Engineer)
INFOSYS TECHNOLOGIES (Clients: Comcast, AOL)
09.2004 - 07.2014
- Established engineering excellence over 10 years, advancing through technical and leadership roles to manage distributed teams on large-scale telecom and entertainment programs.
- Test Lead, Content Discovery Search Engine (2010–2014): Led end-to-end testing lifecycle across Set-Top Box, Xbox, mobile, and web targets; managed and scaled resource allocations, interview pipelines, and upskilling programs for incoming test teams.
- Led a team of 7 engineers in testing Comcast's video asset data store, ensuring ETL pipeline validations for data from AMG, IMDb, and TV Guide into MySQL and Solr indexing systems.
- Technology Analyst, Wireless COE (2009): Selected as a core member of an elite 30-person mobile innovation center of excellence, helping design and structure portals filtering forward-looking mobile application engineering concepts for iOS and Android ecosystems.
- Directed technical modules on large programmatic initiatives including Comcast SmartZone, Caller ID to TV/PC, Video Instant Messenger, and AOL's high-capacity VoIP network billing and order management platforms.
- International & Domestic Locations
Education
Bachelor of Technology - Information Technology
Madras Institute of Technology, Anna University
Chennai, IndiaSkills
- AI-Driven Automation, OpenAI API, LangChain, Large Language Models (LLMs), Test automation, Prompt Engineering for QA, Intelligent Test Automation
- Executive risk governance
- Continuous Integration, Framework Architecture, Multi-language Ecosystems (Java, Python, Karate), Cloud Architecture (AWS), Microservices, Performance Engineering, Test Observability & Analytics
- QA automation
- AI integration
- CI pipelines
- Data Engineering
Personal Information
Title: Director / Vice President of Quality Engineering & SDET
Accomplishments
- Emmy award winning X1 voice remote
Affiliations
- Lab Week Mentor - Build innovation ideas , Volunteer Language Schools
Timeline
Senior Manager, Software Development & Quality Engineering – Content Discovery
COMCAST
05.2016 - Current
Test Lead – REX Search Engine
ISOFTech INC (Client: Comcast, Washington DC)
08.2014 - 05.2016
Test Lead (Progressive Advancement from Software Engineer)
INFOSYS TECHNOLOGIES (Clients: Comcast, AOL)
09.2004 - 07.2014
Bachelor of Technology - Information Technology
Madras Institute of Technology, Anna University