Development Engineer 3 at Comcast

Chennai, Tamil Nadu, India

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Not SpecifiedCompensation

Mid-level (3 to 4 years), Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, Media, TelecommunicationsIndustries

Requirements

Bachelor’s degree in Computer Science, Information Technology, or related field
5+ years of hands-on experience in Cassandra administration
Strong understanding of Cassandra internals, architecture, and NoSQL principles
Experience with Linux/Unix systems
Proficiency in scripting (Bash, Python)
Familiarity with cloud platforms (AWS, GCP) and DevOps tools (Terraform, Git, Ansible)
Strong understanding of distributed systems, CAP theorem, and NoSQL data modeling
Experience with tools like nodetool, cqlsh, Scylla Manager, and Prometheus/Grafana
Proficiency in Linux system administration and shell scripting
Familiarity with monitoring, alerting, and logging tools

Responsibilities

Install, configure, and maintain Cassandra clusters
Manage replication strategies, consistency levels, and data partitioning
Monitor cluster health and performance using tools like Prometheus, Grafana, Alertmanager, OpsCenter
Analyze query performance and optimize data access patterns
Identify and resolve bottlenecks and hotspots
Conduct benchmarking and tuning exercises
Implement authentication, authorization, and encryption
Ensure compliance with data governance and security standards
Design and implement backup and disaster recovery strategies
Test restore procedures and maintain recovery documentation
Respond to incidents and alerts
Collaborate with development and infrastructure teams
Automate administrative tasks using Bash, Ansible, Python, or similar scripting languages
Work closely with application developers, SREs, and infrastructure teams to support data needs
Provide guidance and mentorship to junior DBAs and engineers
Participate in on-call rotations and incident management
Deploy and manage Cassandra on AWS/Openstack using Terraform

Skills

Cassandra

Scylla

NoSQL

Data Modelling

Performance Tuning

Cluster Management

Replication Strategies

Consistency Levels

Data Partitioning

Prometheus

Grafana

Alertmanager

OpsCenter

Automation

High Availability

Scalability

Comcast

Comcast Corporation is a global media and technology company.

About Comcast

Philadelphia, PennsylvaniaHeadquarters

1963Year Founded

$42.3MTotal Funding

IPOCompany Stage

10,001+Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Company Match

Paid Vacation

Paid Parental Leave

Tuition Reimbursement

Unlimited Paid Time Off

Risks

Competition from streaming services impacts Comcast's traditional cable TV business.

5G technology enables new competitors in the broadband market, threatening Comcast's market share.

Consumer scrutiny of data caps and pricing could lead to reputational damage.

Differentiation

Comcast's acquisition of Nitel enhances its managed services offerings in the enterprise sector.

Comcast's digital equity grants highlight its commitment to corporate social responsibility.

Comcast's involvement in rural broadband initiatives opens new markets and customer bases.

Upsides

Comcast's $150M investment in Rio Rancho boosts internet speed and connectivity.

Transform Wealth LLC's investment indicates confidence in Comcast's financial health.

Comcast's expansion efforts could lead to increased customer satisfaction and retention.

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