EY- Cyber Security - Infrastructure Security - Manager(Big4jobs)
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Job Description
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.
- EY- Cyber Security – Infrastructure Security – Manager
- Job Listing Detail:
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.
EY- Cyber Security – Infrastructure Security – Manager
As part of our EY Cyber Security team, you will manage infrastructure security engagements and support the design, integration and implementation of solutions that enhance service delivery and enable technology-driven transformation for our clients. You will coordinate delivery teams, manage engagement activities, maintain quality standards, and coach junior team members to support their professional development.
The opportunity
We’re looking for an Infrastructure Security professional with a solution-oriented mindset, strong security engineering knowledge, and experience managing network security architecture and implementation engagements. The role requires the ability to translate client requirements into practical solutions, coordinate technical delivery, manage risks and stakeholders, and contribute to the rollout of next-generation, market-relevant security services.
Your key responsibilities
- Manage the design, architecture, assessment and implementation of network security solutions across on-premises and cloud environments.
- Gather business and technical requirements, develop solution approaches, and oversee preparation and review of high-level and low-level design documentation.
- Lead workstreams covering next-generation firewalls, IPS/IDS, VPN, NAC, SD-WAN, DDoS protection, wireless security, WAF, secure web gateways and proxy solutions.
- Provide technical oversight for solutions involving Palo Alto Networks, Check Point, Fortinet, Zscaler and comparable infrastructure security technologies.
- Manage solution deployment, configuration, integration, testing, transition and operational-readiness activities in accordance with agreed scope and quality expectations.
- Support Zero Trust architecture and implementation initiatives, including segmentation and micro-segmentation solutions such as Guardicore and Illumio.
- Review network and platform security designs to confirm alignment with security principles, client standards, regulatory obligations and leading practices.
- Manage engagement plans, delivery milestones, dependencies, risks, issues, budgets and status reporting, escalating material concerns when required.
- Coordinate with client stakeholders, architects, engineers, vendors and other delivery teams to resolve technical and operational challenges.
- Review network drawings, configuration standards, implementation procedures, test evidence and operational documentation for completeness and quality.
- Contribute to proposals, statements of work, solution demonstrations, effort estimates and other business-development activities.
- Coach team members, allocate work, review deliverables and promote consistent use of delivery methodologies, reusable assets and automation.
Skills and attributes for success
- Strong technical knowledge of infrastructure and network security architecture, engineering and operations.
- Ability to manage multiple workstreams and deliver high-quality outcomes within agreed scope, schedule and budget.
- Sound understanding of infrastructure security services, governance models, operating models, controls and delivery methodologies.
- Ability to build trusted relationships with client managers, technical leads, vendors and internal stakeholders.
- Strong analytical, problem-solving, facilitation, presentation and decision-making skills.
- Ability to communicate technical risks, architecture decisions and delivery concerns clearly to technical and business stakeholders.
- Experience supervising technical teams, reviewing deliverables, providing constructive feedback and supporting capability development.
- Commercial awareness and the ability to support scoping, effort estimation, resource planning and engagement financial management.
- A proactive, adaptable and collaborative approach in a fast-paced consulting environment.
- Ability to create and deliver domain-specific training and knowledge-sharing sessions.
- Understanding of automation opportunities that improve security operations, service quality and delivery efficiency.
- Willingness to travel and work flexibly when required by client or engagement needs.
To qualify for the role, you must have
- 12+ years of Information Technology experience, including significant experience in infrastructure or network security and at least 5 years leading technical workstreams or small delivery teams.
- Strong experience in security engineering, architecture assessments, solution design and implementation.
- Hands-on knowledge of firewalls, VPN, NAC, SD-WAN, WAF, proxy, IPS/IDS, DDoS protection, EDR/XDR and related controls.
- Experience deploying, maintaining or operating one or more enterprise network security platforms.
- Working knowledge of Zero Trust principles, segmentation, micro-segmentation and secure access architectures.
- Understanding of cloud security architecture and hybrid infrastructure security considerations.
- Demonstrated experience managing client expectations, project risks, delivery quality and technical documentation.
- A consultative and pragmatic approach to solving security and technology challenges.
Ideally, you’ll also have
- Excellent verbal and written communication, technical documentation and stakeholder-management skills.
- Strong project management, negotiation, team leadership and interpersonal capabilities.
- Prior experience in advisory, professional services, system integration or technology consulting.
- Customer-focused mindset with experience contributing to proposals, estimations and solution presentations.
- Relevant professional certification such as CISSP, CISM, CISA, SABSA, TOGAF, PRINCE2 or a leading vendor security certification.
What we look for
- A manager with strong technical credibility, commercial awareness and the ability to lead teams in a fast-moving consulting environment.
- A collaborative professional who can work effectively with multidisciplinary teams and global EY Consulting practices across industries.
- A delivery-focused individual who takes ownership of engagement outcomes, quality, team performance and client satisfaction.
- Someone able to contribute to go-to-market activities, RFP responses, solution development and effort estimation.
- A confident facilitator who can lead cyber security discussions with subject-matter experts, client managers, senior stakeholders and enterprise architects.
- 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.
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.
Skills
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About Company
EY India Careers 2025 – Overview
Ernst & Young Global Limited (EY) is one of the Big Four professional services organisations, headquartered in London, England, and operating in 150+ countries with a global workforce of ~400,000 professionals.
EY’s roots trace back to 1849 (Harding & Pullein) and 1903 (Ernst & Ernst), with the current global legal entity formed in 1989 through the merger of Ernst & Whinney and Arthur Young.
In India, EY employs ~50,000–55,000 people across offices in Gurugram, Mumbai, Bengaluru, Hyderabad, Chennai, Kolkata, and Pune. The firm operates through four integrated service lines — Assurance, Consulting, Strategy and Transactions, and Tax — helping clients capitalise on opportunities, manage risk, and deliver responsible growth.
EY’s purpose, Building a better working world, guides its work with businesses, governments, and non‑profits to solve complex challenges. The firm is recognised for its investments in AI (via the EY.ai platform), digital transformation, sustainability, and inclusive growth.
Business Model
EY operates as a service‑based B2B professional services firm, generating revenue through assurance, consulting, strategy & transactions, and tax services.
Its model blends:
- Deep sector expertise with technology‑driven solutions
- Global delivery capabilities with India as a strategic hub
- Long‑term client relationships built on trust and recurring engagements
Strategic priorities for EY India include:
- Scaling EY.ai and AI‑enabled services
- Expanding ESG and sustainability consulting
- Strengthening cybersecurity and digital transformation offerings
- Growing Strategy and Transactions advisory in high‑growth sectors
Recent Wins & Recognition
- Launched the EY.ai platform to integrate AI into all service lines globally and in India (https://www.ey.com/en_in/news/2023/ey-launches-ey-ai-platform).
- Advised on a $1.1 billion renewable energy acquisition in India (https://economictimes.indiatimes.com/industry/energy/power/ey-advises-on-renewable-energy-acquisition/articleshow/).
- Recognised as a Leader in Digital Strategy Consulting in the 2025 IDC MarketScape report (https://www.ey.com/en_in/news/2025/ey-named-leader-in-digital-strategy-consulting).
- Partnered with the Government of India on Gati Shakti infrastructure planning (https://www.ey.com/en_in/news/2024/ey-supports-gati-shakti-infrastructure-planning).
- Awarded Best Employer for Women 2025 by Working Mother & Avtar (https://www.ey.com/en_in/news/2025/ey-best-employer-for-women).
Culture & Values
EY’s culture is anchored in its EY Values:
- People who demonstrate integrity, respect, and teaming
- People with energy, enthusiasm, and the courage to lead
- People who build relationships based on doing the right thing
The firm promotes diversity, equity, and inclusion, offers global mobility opportunities, and invests heavily in continuous learning through EY Badges, EY Tech MBA, and leadership programs.
Client‑Facing Businesses
Assurance
What it is – Independent audit and assurance services to enhance trust in financial reporting. Careers in India include:
- Statutory Audit – Auditing financial statements for listed and unlisted companies.
- Financial Accounting Advisory Services (FAAS) – IFRS/Ind AS advisory, reporting, and accounting change support.
- Forensic & Integrity Services – Fraud investigation, dispute resolution, and compliance reviews.
- Climate Change & Sustainability Services (CCaSS) – ESG reporting and assurance.
Consulting
What it is – Advises clients on business transformation, technology, and risk. In India, career opportunities span:
- Business Consulting – Strategy, operations, and supply chain transformation.
- Technology Consulting – ERP, cloud, data analytics, and cybersecurity.
- Risk Consulting – Enterprise risk, internal audit, and regulatory compliance.
- People Advisory Services – Workforce strategy, change management, and HR transformation.
Strategy and Transactions (SaT)
What it is – End‑to‑end deal advisory and capital strategy. India‑based roles cover:
- M&A Advisory – Buy‑side and sell‑side deal advisory.
- Transaction Diligence – Financial, tax, and operational due diligence.
- Valuation, Modelling & Economics – Business valuations and financial modelling.
- Restructuring – Turnaround and insolvency support.
Tax
What it is – Comprehensive tax and regulatory services. In India, career paths include:
- Direct Tax – Corporate and international tax compliance and planning.
- Indirect Tax – GST, customs, and trade advisory.
- Transfer Pricing – Planning, documentation, and dispute resolution.
- Tax Technology & Transformation – Automation and analytics for tax functions.
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