Comcast Advertising
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Cybersecurity Site Reliability Engineer 3

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Employer Provided Salary: 82,220-192,703 Annually
Salary data is provided by the employer. Please note this is not a guarantee of compensation.

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we're making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world.
Job Summary
As the Cybersecurity Site Reliability Engineer (CSRE) at Freewheel, you will play a crucial role in merging cutting-edge cybersecurity measures with our advanced site reliability and development practices. You'll be joining a team that is at the forefront of protecting and optimizing the performance of our multi-digital platforms and infrastructure. At Freewheel, we are committed to providing innovative AdTech solutions that transform the industry. Your contributions will directly enhance the security and operational reliability of the platforms. This is your chance to be part of a dynamic team that values innovation and collaboration, helping to secure the technologies that connect our customers and businesses. You will have the opportunity to make a significant impact where your work ensures security and efficacy are combined to create industry leading cybersecurity program.
Job Description
Core Responsibilities
Security and Reliability Integration

  • Work tandem with engineering teams to integrate security into the software and cloud environments.
  • Writing code and scripts to support Infrastructure as code (IaC), configuration management, and automated security implementation and monitoring resolution.
  • Evaluate, test, and manage endpoint security solutions across a variety of operating systems and container architectures.
  • Partner with cross-functional engineering teams to deliver security solutions seamlessly into the system/application architecture and environments.
  • Conduct technical engineering analyses to determine impact of security software or solutions on the application and infrastructure environment, ensuring security enhancements do not impede operational efficiency.

Performance and Security Optimization

  • Monitor and tune system performance, ensuring optimal operation while enforcing security measures such as intrusion detection and prevention.
  • Analyze real-time security data to adjust and optimize system configurations, achieving a balance between security posture and system functionality.
  • Develop secure automation strategies that enhance infrastructure configuration and management without compromising security.

Performance and Security Optimization

  • Engage with software and infrastructure engineers to develop security solutions tailored to application workloads and operational requirements.
  • Advocate for and implement robust security controls, including but not limited to cloud security, application security, access management, encryption, and endpoint protection.
  • Provide technical expert guidance on security best practices, fostering a culture of proactive security across engineering disciplines.

Other responsibilities:

  • Consistent exercise of independent judgment and discretion in matters of significance.
  • Regular, consistent, and punctual attendance. Must be able to work nights and weekends, variable schedule(s) as necessary.
  • Other duties and responsibilities as assigned.
  • Selected candidate will be expected to work Eastern Standard Hours.

Must-Have Technical Skills:

  • 5+ years of administration experience with Linux, AWS, and Kubernetes
  • 5+ years of experience in configuration management using Cloud Formation, Terraform, and Ansible or similar.
  • 5+ years of experience coding in higher-level languages, such as Python, Java, or C++
  • Proficiency with cloud platforms (AWS) and infrastructure as code (IaC) tools (Terraform, CloudFormation).
  • Expertise in containerization and orchestration (Docker, Kubernetes) and operating systems (Ubuntu, Amazon Linux, CentOS).
  • Experience with technical security software deployment and management, as well as the development and enforcement of security policies.

Good to Have Technical Skills:

  • Familiarity with security compliance frameworks and industry best practices.
  • Advanced technical SRE experience and cybersecurity solutions.

Employees at all levels are expected to:

  • Understand our Operating Principles; make them the guidelines for how you do your job.
  • Own the customer experience - think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
  • Know your stuff - be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
  • Win as a team - make big things happen by working together and being open to new ideas.
  • Be an active part of the Net Promoter System - a way of working that brings more employee and customer feedback into the company - by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
  • Drive results and growth.
  • Respect and promote inclusion & diversity.
  • Do what's right for each other, our customers, investors, and our communities.


  • This 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.

Comcast is proud to be an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law. Comcast will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law, including the Los Angeles Fair Chance Initiative for Hiring Ordinance and the San Francisco Fair Chance Ordinance.
National Pay Range: $82,219.87 USD-$192,702.83 USD
Comcast intends to offer the selected candidate base pay within this range, dependent on job-related, non-discriminatory factors such as experience. The application window is 30 days from the date job is posted, unless the number of applicants requires it to close sooner or later.
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. Please visit the compensation and benefits summary on our careers site for more details.
Bachelor's Degree
While 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.
Relevant Work Experience
5-7 Years

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What are Comcast Advertising Perks + Benefits

Comcast Advertising Benefits Overview

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, not just generous paid time off programs, but also 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.
Here's a look at just some of the benefits and perks we make available to our US-based employees.

Volunteer in local community
Partners with nonprofits
Open door policy
Employee resource groups
Employee-led culture committees
Quarterly engagement surveys
Hybrid work model
Summer hours
President's club
Employee awards
Dedicated diversity and inclusion staff
Highly diverse management team
Diversity manifesto
Diversity employee resource groups
Hiring practices that promote diversity
Diversity recruitment program
Health Insurance + Wellness
Flexible Spending Account (FSA)
Disability insurance
Dental insurance
Vision insurance
Health insurance
Life insurance
Pet insurance
Wellness programs
Mental health benefits
Transgender health care benefits
Financial & Retirement
401(K) matching
Company equity
Employee stock purchase plan
Performance bonus
Charitable contribution matching
Child Care & Parental Leave
Childcare benefits
Generous parental leave
Family medical leave
Adoption Assistance
Return-to-work program post parental leave
Fertility benefits
Vacation + Time Off
Generous PTO
Paid holidays
Paid sick days
Flexible time off
Floating holidays
Bereavement leave benefits
Office Perks
Commuter benefits
Company-sponsored outings
Professional Development
Job training & conferences
Tuition reimbursement
Lunch and learns
Promote from within
Mentorship program
Continuing education stipend
Personal development training

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