Lead Network and Security Test Engineer

Lead Network and Security Test Engineer (Austin)

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Overview

The Lead Network and Security Compliance Test Engineer will be responsible for validating the network functionality, performance, and security posture of our AI data center infrastructure. This role requires a strong understanding of networking fundamentals, routing protocols, hands-on experience with traffic generation, and a keen eye for security vulnerabilities. You will be instrumental in ensuring our network adheres to compliance standards and provides a reliable, secure foundation for our demanding AI workloads.

Responsibilities

• Lead the development and execution of comprehensive test plans and strategies for complex network topologies and devices within our AI data center.
• Drive the design of advanced test cases for L2 / L3 functionalities, focusing on performance, scalability, and resilience under high-demand AI workloads.
• Oversee and conduct in-depth testing of routing protocols (e.g., BGP, OSPF, ISIS) to validate network convergence, stability, and optimal traffic flow.
• Analyze and interpret complex test data to identify network bottlenecks, performance degradation, and areas for optimization.
• Architect and implement robust security test methodologies to rigorously validate network security controls and configurations.
• Perform advanced vulnerability assessments, penetration testing, and security audits on network infrastructure to proactively identify and mitigate risks.
• Ensure strict adherence to internal security policies and external regulatory compliance standards (e.g., NIST, ISO 27001, GDPR) relevant to data center networking.
• Develop and integrate automated security compliance checks into continuous integration and deployment pipelines.
• Design, develop, and maintain sophisticated test automation frameworks and scripts primarily using Python, significantly enhancing test efficiency, coverage, and repeatability.
• Champion the adoption of automation best practices across the team.
• Develop custom tools and utilities to simulate complex network conditions and analyze performance.
• Provide expert-level troubleshooting and root cause analysis for complex network and security incidents, collaborating effectively with cross-functional engineering and operations teams.
• Actively participate in network architecture reviews, offering critical insights to ensure testability, reliability, and security are built into designs from inception.
• Mentor and guide junior test engineers, fostering their technical growth and promoting a culture of quality and innovation.

Preferred Qualifications

EEO Statement

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Celestica's policy on equal employment opportunity prohibits discrimination based on race, color, creed, religion, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status, or other characteristics protected by law. All information will be kept confidential according to EEO guidelines.

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