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

Ernst & Young Advisory Services Sdn Bhd; Dadri; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

EY in Noida seeks an experienced Infrastructure Security Manager focused on Cyber Architecture for OT and Engineering-infrastructure. You will design and oversee secure network architectures, spanning on-prem and cloud, with deep expertise in firewalls, WAF, NAC, VPN, and Zero Trust.

You will engage with senior stakeholders, drive security programs, and lead architecture projects in a dynamic advisory environment. Some travel and flexible hours may be required.

Qualifications

• 8–11 years of IT security experience with specialization in cyber security.
• Strong hands-on experience with network security devices and architectures.
• Ability to design and implement secure OT and engineering-infrastructure solutions.
• Experience in leading security projects and communicating with senior stakeholders.

Responsibilities

• Design, build, test, and implement network security systems (On Prem & Cloud).
• Lead security design and architecture across complex IT environments.
• Deploy and manage Next-gen firewalls, WAF, NAC, VPN, and related security controls.
• Plan and implement Zero Trust security architectures and evidence-based risk controls.
• Coordinate with clients and internal teams; travel and adapt to client needs as required.

Skills

Security architecture

Security design

Threat modeling

Zero Trust

Network security concepts

Executive communication

Project leadership

Education

Bachelor's or higher in IT/CS/related

Tools

Palo Alto

Cisco Firewalls

WAF

NAC

SDN/SDWAN

VPN

Job description

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

Location: Noida

Other locations: Anywhere in Country

Date: Sep 12, 2026

Requisition ID: 1722006

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.

Service line - Position Title: EY- Cyber Security – Technology Consulting – Infrastructure Security – Manager

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.

About Global Delivery Services

Global Delivery Services refers to EY's worldwide network of service delivery centers. The GDS team plays an important role in EY’s strategy by ensuring effective support to EY’s growth agenda.

Our journey started in 2002 with approximately 200 people. Today we stand at 80,000+ professionals in ten locations around the world. We operate in Argentina, China, Hungary, India, Philippines, Poland, Sri Lanka, Mexico, Spain and the United Kingdom.

Client service is focused on providing Consulting, Assurance, Tax, Strategy & Transactions, and Knowledge support to our clients around the world. The teams enable account teams worldwide to provide seamless, high-quality, value-added support, helping deliver exceptional client service.

Enablement Services provides cost-effective, high-skilled, and innovative services to support EY’s global and local enablement teams. Markets, BMC, AWS, Finance and Accounting, Risk Management, Procurement, People Shared Services, IT Service Delivery and IT Global Infrastructure services, are among the services offered by Enablement Services.

Our innovation specialists serve the GDS Client Service and Enablement Services teams, along with Service Lines, Core Business Services and Sectors. The team brings the desired environment, technologies and skilled teams together for facilitation, rapid prototyping and innovative thinking. The competencies offered include analytics, digital, user experience, mobile technology, infrastructure, Microsoft technologies and open innovation.

The Opportunity

We’re looking for an Infrastructure Security professional with solution mindset and hands on security engineering expertise in network security concepts, risk and controls concepts, architecture design of Firewall, WAF (web application firewall, NAC (Network Access Control), Proxy. This is a fantastic opportunity to be part of a leading firm whilst being instrumental in the rollout of next generation market relevant solutions.

Your Key Responsibilities

• A Security-Design & Architect professional who is responsible for designing, building, testing and implementing network security systems within an organisation’s IT network- On Prem & Cloud.
• Professional is expected to have a thorough understanding of complex IT systems and stay up to date with the latest security standards, systems and authentication protocols, as well as best practice security products.
• Identify requirements, design document and implement technical solutions for scalable and resilient network architecture.
• Experience in building the networks by taking into consideration various factors like, bandwidth requirements, infrastructure requirements and security.
• Individual should possess experience in planning, design, deployment, configuration, integration and management of network protection controls including Next gen firewalls- Palo Alto, Cisco Firewalls, SDN Security, DDoS Protection, IPS, VPN, Wireless security, NAC and network authentication solutions to protect IT assets and should be responsible for deployment of any changes, plug-ins, or configuration as requested by client.
• Plan, design, deploy, configure, integrate and manage WAF, proxy/Zscaler solutions.
• Experience in building Zero Trust security architecture, strategy and solution design.
• Possess hands on experience in segmenting networks, applications, and data to limit exposure to attacks.
• Plan, design, deploy, configure, integrate and manage platform protection controls including virtualisation protection solutions on Hypervisors and thin client’s security solutions.
• Good understanding of security concepts and technologies including, but not limited to TCP/IP, LDAP, DHCP, DNS, web filtering etc.
• Should be well-versed with network documentation that includes network drawings, text descriptions and equipment configurations, designing HLDs and LLDs.

Skills and attributes for success

• Serve as highly technical security expert to bring security transformation to both new and legacy infrastructure.
• Deep technical understanding of architecture and solutioning of infrastructure security components.
• Deep knowledge of services and service delivery approach and methodology for infrastructure security including governance and operating models.
• Proven track record in building and maintaining trusted relationships with key internal and external stakeholders.
• Willingness to travel and flex work timings as and when required.
• Ability to change and adapt in a hyper-growth environment.
• Self-starter and strategic thinker.
• Drive C-suite/senior leadership level meetings and discussion.
• Excellent oral and written communication skills and executive presence that enable effective engagement with senior stakeholders.
• Ability to work independently and communicate the technical and security related issues to client/business stakeholders.
• 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.
• Communicating in an organized and knowledgeable manner in written and verbal formats including delivering clear requests for information and communicating potential conflicts.
• Must communicate consistently and drive objectives, relying on fact-based decisions about risk that optimize the trade-off between risk mitigation and business performance.
• Good presentation, project management, facilitation and delivery skills as well as strong analytical and problem-solving capabilities.
• Ability to create domain specific training content and deliver training effectively.
• Develop/Implement automation solutions and capabilities that are clearly aligned to client business, technology and threat posture.
• Demonstrates ability to track developments and changes in the digital business and threat environments to ensure that they're adequately addressed in client’s security strategy plans and architecture artefacts.
• 8-11 years of experience in Information Technology experience, with specialization in Cyber Security roles that include multiple areas of specialization. Professional-level knowledge in areas from the following:
  • Security Engineering & Architecture assessments
  • Strong hands‑on exp. in firewalls, VPNs, NAC, SDWAN, WAF, Proxy, EDR/XDR etc.
  • Expert level experience with deployment, maintenance and operations of one or more major network security Devices
  • Zero Trust Security Strategy and Implementation
  • Cloud Security Architecture
  • Entrepreneurial approach to solving security problems with consultative skills
• 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
• Industry related certification (e.g. CISSP, CISA, CISM, SABSA, PRINCE2, TOGAF)

What we offer you

At EY, we’ll develop you with future-focused skills and equip you with world‑class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more.

To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.

Our Commitment: As a commitment, we persistently endeavour to embody our values, fulfil our purpose, and champion inclusiveness. Our dedication is to cultivate EY into an environment where diverse perspectives are celebrated, creating a supportive atmosphere for individuals to authentically be themselves and contribute their utmost.

Professional Development: From entry-level employees to senior leaders, we believe in continuous learning. We offer opportunities to build new skills, take on leadership roles, and connect and grow through mentorship.

People and Culture: In our dynamic workplace, diversity, equity, and inclusiveness are ingrained in our culture. We're united by a commitment to create an environment where every individual's differences are valued, practices are equitable, fostering a sense of belonging. Our shared values include integrity, respect, teaming, inclusiveness, energy, enthusiasm, courage to lead, and building relationships based on doing the right thing.

Benefits: Embark on a transformative career journey with us and indulge in a suite of premium benefits, encompassing exclusive health and wellness packages, enticing rewards, and cutting‑edge learning opportunities that empower you to continually grow and excel in your professional and personal development.

“We are an equal opportunity employer and are committed to Diversity, Equity & Inclusion”.

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