Network MS Engineers - Senior

EY; Chennai District; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

EY is seeking a Network Security Operations Engineer to provide operational security support across client networks and analyse security incidents. Responsibilities include incident management, health checks, and collaboration with cross-functional teams to ensure availability, integrity and security.

The role requires 6–9 years in network consulting/design, hands-on experience with FireMon/Check Point/Zscaler, and strong knowledge of SD-WAN, cloud networking, and automation tooling.

Qualifications

• BE/B.Tech in Computer Science, Information Technology or related field.
• 6–9 years of experience in network consulting, design and implementation, preferably client-facing.
• Strong hands-on experience with FireMon, Check Point, and Zscaler platforms.
• Proficiency in TCP/IP, DNS, BGP, OSPF, MPLS, VLANs, VPNs and firewalls.
• Experience with SD-WAN, virtualization, cloud networking, SDN, and network automation.

Responsibilities

• Provide ongoing operational support and management of network environments with high availability.
• Lead incident management, root cause analysis and problem resolution for complex network issues.
• Collaborate with service desk, admins, security and application teams for integrated support.
• Perform health checks, audits and operational reviews to identify risks and improvements.
• Mentor junior engineers and promote knowledge transfer within the team.
• Apply governance, standards and best practices to ensure consistency and reliability.

Skills

Network security

Client-facing

Incident management

Network troubleshooting

Communication

Education

BE/B.Tech in CS/IT

Tools

FireMon

Check Point

Zscaler

Cisco

Juniper

Arista

Ansible

Terraform

SASE

Job description

At EY, we're all in to shape your future with confidence.

We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

As a Network Security Operations Engineer

you will be responsible for providing operational security support across network environments, analysing security incidents and risks, and implementing protective controls to ensure the availability, integrity, and security of client networks.

Responsibilities

• Provide ongoing operational support and management of network environments, ensuring high availability, stability, and adherence to agreed service levels.
• Work closely with clients to understand operational requirements, business priorities, and network support needs, ensuring services align with day-to-day business operations.
• Perform regular health checks, audits, and operational reviews of network infrastructure to identify risks, incidents, and opportunities for improvement.
• Support and maintain network configurations, documentation, and operational runbooks, ensuring accuracy and readiness for operational and incident scenarios.
• Lead and participate in incident management, problem resolution, and root cause analysis for complex network issues, ensuring timely restoration and prevention of recurrence.
• Conduct network performance monitoring, capacity management, and utilization analysis to proactively address performance bottlenecks and scalability needs.
• Support change management activities, including validation, implementation, and post-change monitoring, ensuring minimal business disruption.
• Collaborate with cross-functional operational teams (service desk, system administrators, security, and application teams) to deliver integrated and coordinated support.
• Apply operational best practices, standards, and compliance requirements to ensure process consistency and operational governance.
• Stay current with modern network technologies and operational trends, recommending improvements that enhance reliability, resilience, and operational efficiency.
• Provide day-to-day guidance and mentoring to junior engineers, supporting skill development, operational maturity, and knowledge transfer within the team.

Requirements

• B.E./B.Tech in Computer Science, Information Technology, or a related field.
• 6-9 years of experience in network consulting, design, and implementation, preferably in a client-facing role.
• Strong hands-on experience with FireMon, Check Point firewalls, and Zscaler platforms in a network security operations environment.
• Proficient in network protocols and technologies such as TCP/IP, DNS, BGP, OSPF, MPLS, VLANs, VPNs, and firewalls.
• Strong expertise in modern network technologies, including but not limited to SD-WAN, virtualization, cloud networking, software-defined networking (SDN), and network automation.
• Hands-on experience with network equipment from leading vendors, such as Cisco, Juniper, Arista, etc.
• Expertise on Ansible for seamless automation of IP network configurations, optimizing the deployment and management of networking infrastructure.
• Expertise on Terraform to define and provision IP network resources, ensuring consistent and scalable network architectures.
• Proficient in cloud networking technologies and Secure Access Service Edge (SASE).
• Familiarity with network monitoring and management tools, such as Wireshark, SolarWinds, or Nagios.
• Excellent analytical and problem-solving skills, with the ability to assess complex network requirements and propose effective solutions.
• Strong communication and interpersonal skills, capable of effectively presenting technical concepts to both technical and non-technical stakeholders.
• Industry certifications from vendors like Cisco, Juniper, Zscaler, Palo Alto, Fortinet etc. are highly desirable.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.