Senior Software Engineer – Cloud Security & Automation

Comcast Corporation; Philadelphia, Northern (Philadelphia County, KY); Hybrid; USD 140,000 - 210,000; Full time

Job summary

Comcast Corporation is seeking a Senior Software Engineer for the Cloud Security Engineering team in a role that designs, builds, and operates reliable software platforms. You will transform complex findings into actionable workflows and automation, owning major technical areas end-to-end and guiding architecture across services and data flows.

AI experience is a plus but not required. You will mentor, define APIs and deployment strategies, and deliver secure, observable services with strong

Qualifications

• 6+ years of professional software engineering experience, including ownership of production systems.
• Strong proficiency in Python 3.10+ and clean, maintainable software design.
• Experience building backend APIs and services using FastAPI or similar modern frameworks.
• Strong database experience, including PostgreSQL, ORM patterns, schema design, and data lifecycle management.
• Experience building data ingestion and processing systems across multiple sources.
• Experience designing reliable multi-step workflows with retries, state tracking, observability, and failure handling.
• Working knowledge of concurrency, async processing, and distributed execution patterns.
• Ability to design layered, service-oriented systems with clear contracts and maintainable abstractions.
• Ability to translate high-level requirements into practical designs, implementation plans, and deliverable work.
• Curiosity and a demonstrated willingness to learn unfamiliar technologies, experiment with new tools, and apply them pragmatically.
• Cloud, CI/CD & Infrastructure
• Strong experience with Public Cloud services such as AWS EC2, ECS/Fargate, Lambda, RDS, S3, IAM, CloudWatch, and event-driven patterns.
• Experience with Docker and production container delivery.
• Experience building and maintaining CI/CD pipelines.
• Experience with automated testing, quality gates, dependency checks, deployment controls, and operational safeguards

Responsibilities

• Develop self-service capabilities.
• Build tools and platforms that allow teams to take action, follow guidance, and implement repeatable processes with minimal manual coordination.
• Lead the end-to-end design of complex, large-scale distributed systems.
• Translate ambiguous business requirements into scalable, secure, and reliable architectures.
• Define service boundaries, APIs, data models, integration patterns, and deployment strategies.
• Evaluate architectural tradeoffs across performance, scalability, resiliency, security, cost, and maintainability.
• Identify failure modes and incorporate observability, fault tolerance, and operational readiness into system designs.
• Produce clear architecture diagrams and technical design documents that align engineering teams and stakeholders.
• Provide technical leadership throughout implementation, testing, deployment, and production support.
• Write production-quality code.
• Deliver secure, tested, observable, maintainable services that meet high engineering standards.
• Lead technical problem solving.
• Break down ambiguous, multi-step problem spaces into implementable components and guide execution across the development lifecycle.
• Review design and code rigorously.
• Raise quality through strong technical review, architectural guidance, and attention to correctness, maintainability, usability, and operational resilience.
• Mentor and influence.
• Help raise the engineering bar by coaching teammates, improving patterns, documenting decisions, and modeling strong engineering judgment.
• Research and prototype.
• Evaluate new approaches in applied AI, workflow automation, data processing, and cloud-native engineering.
• Validate ideas quickly before broader rollout.
• Document and communicate clearly.
• Create technical documentation, design proposals, operational runbooks, implementation guides, and decision records for diverse audiences.

Skills

Python

Async programming

Distributed systems

Technical leadership

AI workflow

Education

Bachelor's degree

Tools

FastAPI

PostgreSQL

AWS

Docker

CI/CD pipelines

OpenSearch

React/TypeScript

Job description

Comcast Corporation is seeking a Senior Software Engineer for the Cloud Security Engineering team in a role that designs, builds, and operates reliable software platforms. You will transform complex findings into actionable workflows and automation, owning major technical areas end-to-end and guiding architecture across services and data flows.

AI experience is a plus but not required. You will mentor, define APIs and deployment strategies, and deliver secure, observable services with strong