Celestica · 1 day ago
Network and Security Test Engineer (Austin)
Merrimack, NH
Full-time
Onsite
Mid Level
3+ years expCelestica is a leading company in design, manufacturing, and supply chain solutions. They are seeking a Network and Security Compliance Test Engineer who will be responsible for validating the network functionality, performance, and security posture of their AI data center infrastructure.
ElectronicsManufacturingProduct DesignSupply Chain Management
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
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
Qualification
Required
Bachelor's degree in Computer Science, Electrical Engineering, or a related technical field
3+ years of progressive experience in network testing, with a significant focus on enterprise or hyperscale data center environments
Deep knowledge of network architecture and advanced networking concepts (e.g., VXLAN, EVPN, MPLS)
Experience with various routing protocols, including advanced configurations and troubleshooting of BGP, OSPF, EIGRP, or ISIS
Hands-on experience with commercial traffic generators (e.g., IXIA, Spirent) and/or advanced open-source tools (e.g., TRex, Ostinato, DPDK-based solutions)
Strong proficiency in Python for automation, including developing complex test scripts, frameworks, and API integrations
Preferred
CCNA certification is required; CCIE is highly preferred
Direct, hands-on experience with SONiC OS in a production or large-scale test environment
Working experience or strong familiarity with OCP (Open Compute Project) networking principles and hardware designs
Experience with software-defined networking (SDN) and network function virtualization (NFV) concepts and testing
Proven experience with network security tools and methodologies (e.g., firewalls, IDS/IPS, access control, encryption)
Familiarity with cloud networking concepts (AWS, Azure, GCP)
Experience with Linux system administration and container orchestration (Docker, Kubernetes)
Company
Celestica
Celestica is a manufacturing firm that provides design, hardware platform, and supply chain solutions to a multitude of industries.
10001+ employees
H1B Sponsorship
Celestica has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (13)
2024 (3)
2023 (6)
2020 (3)
Funding
Current Stage
Public CompanyTotal Funding
$1.47B2024-06-20Post Ipo Debt· $657.67M
2023-06-05Post Ipo Secondary· $148.8M
2021-09-30Post Ipo Debt· $660.4M
Leadership Team
Robert Mionis
President and CEO
Jonathan Baksh
Vice President Finance, Advanced Technology Solutions (ATS)
Recent News
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