Sr. Database Administrator-7950

Comcast; Reston (VA); Hybrid; USD 130,000 - 180,000; Full time

Benefits offered by this job

Remote work 1+ day per week

Job summary

FreeWheel, a Comcast company, seeks a senior database administrator to lead a team responsible for optimization and forecasting solutions for inventory management, planning, and campaign delivery. You will administer MySQL, DynamoDB, PostgreSQL, Cassandra, and MongoDB, and deploy AWS services to support scalable systems.

You will design schemas, implement backup strategies, optimize SQL/NoSQL queries with Percona Toolkit, and build dashboards with Prometheus and Grafana while scripting in Python

Qualifications

• Bachelor’s degree required with 5+ years in DB admin or similar.
• Experience with both SQL and NoSQL databases.
• Hands-on AWS cloud deployment and CI/CD pipelines.
• Ability to mentor junior team members.

Responsibilities

• Lead a team to develop and support optimization/forecasting solutions for inventory management and campaign delivery.
• Administer databases (MySQL, DynamoDB, PostgreSQL, Cassandra, MongoDB) and deploy AWS services.
• Model data, design schemas, implement backup/recovery, and optimize queries with Percona Toolkit.
• Build dashboards and alerts using Prometheus, Grafana, CloudWatch; develop automation scripts in Python and Shell.

Skills

MySQL

DynamoDB

PostgreSQL

NoSQL

Cloud/AWS

Education

Bachelor’s degree in Computer Science, Engineering, or related technical field

Tools

Kubernetes

Docker

Terraform

GitHub

Prometheus

Grafana

Job description

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 Description

Mandates technical leadership within a team responsible for developing and supporting optimization and forecasting solutions for software used for inventory management, planning, and campaign delivery; administer databases including MySQL, DynamoDB, PostgreSQL, Cassandra, and MongoDB; deploy, configure, and manage AWS cloud services (EC2, EBS, RDS, S3, Route 53, Secrets Manager, CloudWatch); model data, design schemas, manage data structures across systems, and select data types (JSON, UUID, BLOB); implement automated backup and restore strategies, snapshot management, and recovery plans; optimize SQL and NoSQL queries, manage indexing, and scale architectures for performance and stability using the Percona Toolkit; use Prometheus, Grafana, CloudWatch, and PromQL to build and optimize dashboards and alerts; develop automation services and scripts in Python, Go, and Shell with GitHub and VSS; manage permissions, encrypt sensitive data, and configure IAM policies, Secrets Manager, and VPC security groups with AWS and Terraform; perform version control and CI/CD using GitHub; deploy databases in containers with Kubernetes and Docker; perform all aspects of database administration including hardware and software evaluation and installation, logical and physical design, structured testing, security administration, backup and recovery planning, performance tuning, research of new tools, and development of policies, standards and procedures; support development, QA, and production systems at data centers; maintain capacity planning; develop and implement complex data models; oversee design, tune, and maintain database systems for high‑availability, high‑volume internet applications; provide recommendations on database technologies and features; collaborate with network and security teams to ensure adherence to security standards; and mentor junior‑level team members. Position eligible for remote work one or more days per week.

Requirements

Bachelor’s degree or foreign equivalent in Computer Science, Engineering, or related technical field, and five (5) years of experience administering databases including MySQL, DynamoDB, PostgreSQL, Cassandra, and MongoDB; implementing automated backup and restore strategies, snapshot management, and recovery plans; optimizing SQL and NoSQL queries with Percona Toolkit; using Prometheus, Grafana, and PromQL for dashboards and alerts; developing automation services and scripts in Python and Shell; deploying, configuring, and managing AWS cloud services (EC2, EBS, RDS, S3, Route 53, Secrets Manager, CloudWatch); modeling data, designing schemas, and selecting data types (JSON, UUID, BLOB); developing services and scripts in Go, GitHub, and VSS; managing permissions, encrypting data, and configuring IAM, Secrets Manager, and VPC security groups using AWS and Terraform; performing version control and CI/CD with GitHub for one year; and deploying databases in containers using Kubernetes and Docker.

Equal Employment Opportunity

Comcast is an equal‑opportunity workplace. We 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.

Skills

• MySQL
• Percona
• NoSQL

Base pay is one part of the Total Rewards that Comcast provides to compensate and recognize employees for their work. Non‑sales positions are eligible for a bonus. Additionally, Comcast provides best‑in‑class benefits that are personalized to meet employees’ needs. Please visit the compensation and benefits summary on our careers site for more details.