Senior Manager - Network and Infrastructure Security

Ernst & Young LLP ( EY India ); Bengaluru; On-site; INR 4,000,000 - 7,000,000; Full time

Benefits offered by this job

Coaching & feedback

Career development

Flexible work style

Job summary

EY is seeking a Senior Manager to lead Zero Trust security initiatives across infrastructure and cloud environments in India. You will guide complex client programs, build high-performing teams, and drive innovative security architectures from network to cloud.

You will work with senior stakeholders to ensure governance, design, and delivery of security solutions, including NGFW, ZTNA, DNS security, and SASE. Strong communication and advisory experience are essential.

Qualifications

• 12+ years of experience in Network & Infrastructure security or related fields.
• Expertise in Zero Trust and regulatory frameworks (NIST 800-207, NIST 800-53).
• Hands-on with NGFWs (Palo Alto, Cisco, Fortinet, Azure Firewall) and virtualization security.

Responsibilities

• Lead design and implementation of network and infra security strategies.
• Drive adoption of Zero Trust and advanced segmentation architectures.
• Oversee deployment and governance of NGFW, NAC, VPN, ZTNA, SASE and CSPM solutions.
• Develop use cases for zero trust across multiple security domains.
• Coach teams and manage client expectations and risks.

Skills

Zero Trust

Network & Infrastructure security

Client-facing communication

Project management

Security documentation

Office 365 / MS Office / Google Docs

Tools

Palo Alto

Cisco

Fortinet

Azure Firewall

VMware

Netskope

Zscaler

Akamai

Job description

TC-CS-Cyber Architecture- OT and Engineering-infrastructure and Cloud Security- Senior Manager

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

IT Network & Infrastructure Security – Senior Manager Role summary

We are looking for a Senior Manager to lead and scale the Zero Trust Security Portfolio across EY GDS. This role will be responsible for leading complex client programs, building high-performing teams, and driving innovation across Infrastructure Security capabilities. The Senior Manager will act as a trusted advisor to senior client stakeholders and internal leadership, helping organizations transition from traditional security to Zero Trust Security. The role requires deep experience in cybersecurity architecture, network security, and zero trust security in cyber.

Key responsibilities

• Lead the design and implementation of network and infrastructure security strategies across enterprise & cloud environments.
• Drive adoption of Zero Trust and advanced segmentation architectures.
• Oversee deployment and governance of NGFW, NAC, VPN, ZTNA, SASE, DNS security, CASB, and CSPM solutions.
• Experience in Zero Trust Security Architecture and Solution Design.
• Experience in zero-trust and micro-segmentation solutions including Zscaler, Guardicore and Illumio.
• Define logical patterns & develop use cases for zero trust capabilities across Network, Identity & Access Management, Device, Application and other security domains.
• Work in multiple domains of security technologies viz Network segmentation, Application gateways, security automation, Firewalls, VPN, SDN, SD-WAN, IAM solutions.
• Possess hands on experience in segmenting networks, applications, and data to limit exposure to attacks.
• Good exposure in requirement understanding, security frameworks, technical documentation, designing HLDs and LLDs.
• Well-versed in encrypting all end-to-end communication regardless of the location, authorizing access to resources on a per-session basis, enforcing the temporary and dynamic nature of authentication and authorization.
• Monitoring all assets to be in the most secure state possible and maintaining visibility into the security of the entire network and business's resources.
• Demonstrate a deep understanding of zero trust market needs/challenges and assist in the planning, design and development of go-to-market solutions.
• Understand SaaS based technologies and identity-based micro-segmentation for cloud workloads and their implications for the enterprise.
• Document or enhance documentation on zero-trust architecture requirements.
• Build reusable methods, accelerators, reference architectures, and runbooks that strengthen the firm’s Zero Trust, Network & Infrastructure Security offerings and improve repeatability across sectors and accounts.
• Manage client expectations, delivery scope, solution quality, risks, and technical escalations while coaching teams and enabling long-term client capability through documentation and knowledge transfer.

Required qualifications

• 12+ years of experience across Network & Infrastructure security domain, Zero Trust Security, or related fields.
• Expertise in Zero Trust, and regulatory frameworks (NIST 800-207, NIST 800-53, ZT DoD, CISA ZTMM).
• Hands-on with NGFWs (Palo Alto, Cisco, Fortinet, Azure Firewall) and VMware virtualization security.
• Skilled in SSE/SASE platforms (Netskope, Zscaler, Akamai) and secure access technologies (VPN, ZTNA, DNS security).
• Strong capability in multi-vendor security integration across IT, OT, and cloud environments.
• Strong client-facing communication and the ability to operate as a trusted technical advisor to senior stakeholders.
• Deep technical understanding of zero trust architecture and solutioning of zero trust security components.
• Deep knowledge of services and service delivery approach and methodology for zero trust security including governance and operating models.
• Clearly demonstrates proven extensive abilities with leveraging creative thinking and problem-solving skills, individual initiative, and utilizing Office 365, MS Office (Word, Excel, Access, PowerPoint) and Google Docs.
• Ideally, you’ll also have Good soft skills i.e. verbal & written communication, technical document writing etc Strong project management, negotiation and interpersonal skills Prior experience working in Advisory or Technology Consulting industry Customer orientation skills Engage with CISOs, CIOs, plant leadership, OT operations teams, technology leaders, and business stakeholders.

Industry related certification

(e.g. CISSP, CISA, CISM, SABSA, PRINCE2, TOGAF)

Vendor related certifications

(e.g. Zscaler, Netskope, Palo Alto Networks, Cisco & others)

What working at EY offers

At EY, we’re dedicated to helping our clients, from start–ups to Fortune 500 companies — and the work we do with them is as varied as they are. You get to work with inspiring and meaningful projects. Our focus is education and coaching alongside practical experience to ensure your personal development. We value our employees and you will be able to control your own development with an individual progression plan. You will quickly grow into a responsible role with challenging and stimulating assignments. Moreover, you will be part of an interdisciplinary environment that emphasizes high quality and knowledge exchange.

Plus, we offer:

• Support, coaching and feedback from some of the most engaging colleagues around
• Opportunities to develop new skills and progress your career
• The freedom and flexibility to handle your role in a way that’s right for you

EY | Building a better working world

EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.