L3 SAN Engineer – Hitachi / IBM / Brocade

Role Overview

• Deliver L3 engineering across Brocade SAN fabrics, IBM storage, and Hitachi VSP arrays
• Lead SAN fabric design, director onboarding, and multi‑fabric architecture
• Perform deep‑dive troubleshooting of fabric issues and performance anomalies
• Provide end‑to‑end provisioning and replication engineering across platforms
• Support DR readiness, fabric scalability, and global datacenter operations
• Drive stability, optimization, and lifecycle engineering of SAN infrastructure
• Demonstrate architecture‑level understanding of ASICs, directors, and cache systems

Required Skills & Experience

• Strong Brocade experience, including Directors, FOS 9.x, trunking, and virtual fabrics
• Expertise in Hitachi VSP G‑series hardware, architecture, data flow, and provisioning
• Hands‑on IBM SVC/Flash storage engineering and monitoring experience
• Ability to troubleshoot L3 issues like slow drain devices, congestion, and buffer credit issues, etc..
• Proficiency with SANnav, Ops Center, and IBM Storage Insights
• Strong fiber channel protocol and SAN fabric architecture knowledge
• Experience delivering complex SAN changes, upgrades, and migrations
• Ability to collaborate across OS, virtualization, DB, and network teams
• Strong documentation, RCA, and engineering governance skills

Key Responsibilities

• Design, expand, and maintain SAN fabrics and director‑class switches
• Configure ISLs, trunking, logical switches, and fabric segmentation
• Perform zoning creation, cleanup, and compliance checks
• Troubleshoot slow drain devices, congestion, and performance issues
• Analyze logs, port health, MAPS alerts, and ASIC behavior
• Execute complex L3 SAN changes, firmware upgrades, and patching
• Provision storage on Hitachi arrays, manage pools, and configure replication
• Manage IBM SVC/Flash provisioning, performance tuning, and capacity
• Support DR tests, replication validation, and failover design
• Maintain SOPs, runbooks, and engineering documents
• Drive RCA, preventive actions, and service improvement initiatives
• Coordinate with cross‑domain teams during incident and performance investigations
• Ensure standardization, compliance, and best practices in SAN environments
• Contribute to architecture reviews and capacity planning

• Provide SME support for global operations and escalations

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Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2025) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.