{"id":3379509,"url":"https://alion.io/job/comcast-sr-software-engineer-cloud-security","title":"Sr. Software Engineer - Cloud Security","company":{"id":9377,"name":"Comcast","domain":"comcast.com","url":"https://alion.io/company/comcast-corporation","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":98,"open_postings":23,"ghost_share":0,"stale_share":0.261,"repost_share":0,"time_to_fill_p50_days":18,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Philadelphia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":95000,"max_usd":176000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Amazon ECS","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"AWS Fargate","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"IAM","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"AI Agents","optional":true},{"name":"Databricks","optional":true},{"name":"ElasticSearch","optional":true},{"name":"LLM","optional":true},{"name":"OpenSearch","optional":true},{"name":"Snowflake","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-27T00:00:00Z","employer_posted_date":"2026-10-27","last_verified_at":"2026-10-31T04:13:34Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. Join us. You’ll do the best work of your career right here at Comcast. (In most cases, Comcast prefers to have employees on-site collaborating unless the team has been designated as virtual due to the nature of their work. If a position is listed with both office locations and virtual offerings, Comcast may be willing to consider candidates who live greater than 100 miles from the office for the remote option.)Job Summary\nAs a Senior Software Engineer on the Cloud Security Engineering team, you will design, build, and operate reliable software platforms that transform complex business and technical findings into clear actions teams can take. This is a senior software engineering role in the cybersecurity space, with opportunities to apply AI where it provides practical value.You will build systems that ingest information from multiple internal and external tools, apply business logic, and turn that information into workflows, recommendations, automation, and measurable outcomes. You will also help us develop agentic pipelines that coordinate tools, data, and multi-step processes. Prior AI experience is not required. We are looking for a strong engineer who can learn quickly, evaluate new technologies, and apply them thoughtfully.\nThis is a senior, high-impact engineering role where you will own major technical areas end-to-end. You will design systems of significant complexity, write production-quality code, make sound architectural trade-offs, and lead implementation across services, data flows, workflow automation, and agentic pipelines. You will be expected to reason from first principles, break down ambiguous problems, learn unfamiliar tools quickly, and deliver durable software that can be operated in production.\nJob Description\nCore Responsibilities\nDevelop self-service capabilities. Build tools and platforms that allow teams to take action, follow guidance, and implement repeatable processes with minimal manual coordination.\n\nLead the end-to-end design of complex, large-scale distributed systems.\n\nTranslate ambiguous business requirements into scalable, secure, and reliable architectures.\n\nDefine service boundaries, APIs, data models, integration patterns, and deployment strategies.\n\nEvaluate architectural tradeoffs across performance, scalability, resiliency, security, cost, and maintainability.\n\nIdentify failure modes and incorporate observability, fault tolerance, and operational readiness into system designs.\n\nProduce clear architecture diagrams and technical design documents that align engineering teams and stakeholders.\n\nProvide technical leadership throughout implementation, testing, deployment, and production support.\n\nWrite production-quality code. Deliver secure, tested, observable, maintainable services that meet high engineering standards.\n\nLead technical problem solving. Break down ambiguous, multi-step problem spaces into implementable components and guide execution across the development lifecycle.\n\nReview design and code rigorously. Raise quality through strong technical review, architectural guidance, and attention to correctness, maintainability, usability, and operational resilience.\n\nMentor and influence. Help raise the engineering bar by coaching teammates, improving patterns, documenting decisions, and modeling strong engineering judgment.\n\nResearch and prototype. Evaluate new approaches in applied AI, workflow automation, data processing, and cloud-native engineering. Validate ideas quickly before broader rollout.\n\nDocument and communicate clearly. Create technical documentation, design proposals, operational runbooks, implementation guides, and decision records for diverse audiences.\n\nWhat You'll Need:\n6+ years of professional software engineering experience, including ownership of production systems\n\nStrong proficiency in Python 3.10+ and clean, maintainable software design\n\nExperience building backend APIs and services using FastAPI or similar modern frameworks\n\nStrong database experience, including PostgreSQL, ORM patterns, schema design, and data lifecycle management\n\nExperience building data ingestion and processing systems across multiple sources\n\nExperience designing reliable multi-step workflows with retries, state tracking, observability, and failure handling\n\nWorking knowledge of concurrency, async processing, and distributed execution patterns\n\nAbility to design layered, service-oriented systems with clear contracts and maintainable abstractions\n\nAbility to translate high-level requirements into practical designs, implementation plans, and deliverable work\n\nCuriosity and a demonstrated willingness to learn unfamiliar technologies, experiment with new tools, and apply them pragmatically\n\nCloud, CI/CD & Infrastructure\nStrong experience with Public Cloud services such as AWS EC2, ECS/Fargate, Lambda, RDS, S3, IAM, CloudWatch, and event-driven patterns.\n\nExperience with Docker and production container delivery.\n\nExperience building and maintaining CI/CD pipelines.\n\nExperience with automated testing, quality gates, dependency checks, deployment controls, and operational safeguards\n\nNice to Have\nFamiliarity with cybersecurity as a business or technical domain\n\nFamiliarity with security findings, alerts, vulnerabilities, policy issues, or control-related workflows\n\nUnderstanding of investigation, remediation, exception handling, or operational control workflows\n\nExperience with React/TypeScript for building user-facing internal tools\n\nExperience with Snowflake, Databricks, or similar analytical data platforms\n\nFamiliarity with OpenSearch/Elasticsearch for search, analysis, or investigation workflows\n\nExposure to AI-assisted development, LLM-based applications, or agent frameworks is helpful but not required\n\nDisclaimer\nThis information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications.\nSkills\nAgentic AI, Amazon Web Services (AWS), Cloud DevOps, Infrastructure As Code (IaC), Python Software Development, System Designs, Technical LeadershipWe 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.\nPlease visit the benefits summary on our careers site for more details.\nEducation\nBachelor's DegreeWhile possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.Certifications (if applicable)\nRelevant Work Experience\n7-10 YearsComcast is an equal opportunity workplace. 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