Network Engineer Sr.

Key Responsibilities

Support data center migration activities, including planning, execution, and post-migration validation
Configure, implement, and troubleshoot network infrastructure (L2/L3) across data centers
Work with cross-functional teams to ensure smooth server and application migrations
Perform network assessments, risk identification, and mitigation planning
Monitor network performance and ensure high availability and reliability
Participate in change management, incident resolution, and root cause analysis
Maintain network documentation, diagrams, and configuration records
Support ongoing network operations and optimization initiatives

At Zensar, we're "experience-led everything". We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we're a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

Good to Have

• Experience working in data center migration or consolidation projects
• Exposure to automation or scripting (Python/Ansible) for network tasks
• Knowledge of cloud networking (AWS/Azure/GCP)
• Familiarity with monitoring tools and network performance management
• Relevant certifications (e.g., CCNA, CCNP)
  Soft Skills
• Strong problem-solving and analytical ability
• Good communication skills to collaborate with global teams
• Ability to work in fast-paced, high-impact environments
• Proactive approach to identifying risks and improvements

Required Skills (Must-Have)

• Hands-on experience with Cisco networking technologies (routing, switching)
• Working knowledge of data center networking concepts (VLANs, routing protocols, ACLs, etc.)
• Exposure to network operations and troubleshooting in enterprise environments
• Understanding of Software Defined Networking (SDN) concepts
• Basic experience or familiarity with Arista switches/environments
• Good understanding of network migration or infrastructure transition activities