Senior Infrastructure Security Consultant

Ernst & Young LLP ( EY India ); Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Benefits offered by this job

Coaching and feedback

Career development

Flexible work options

Job summary

EY India is seeking a Senior Consultant in Cyber Security Infrastructure to design, implement, and optimize security architectures across on‑prem and cloud environments. You will work on SASE, Zscaler services, and firewall platforms, guiding execution and risk management for client engagements.

The role emphasizes hands-on engineering, security controls deployment, and collaboration with cross‑functional teams to elevate delivery quality and drive technology‑driven transformation.

Qualifications

• Hands-on security engineering experience in infrastructure security concepts and architecture design.
• Experience with network protection controls including next-gen firewalls, VPN, and cloud proxies.
• Knowledge of Zero Trust design and cloud security architecture.

Responsibilities

• Design, build, test, and deploy network security systems on‑premises and in the cloud.
• Configure and manage Zscaler services (ZIA, ZPA, ZDX) and related security policies.
• Deploy and manage firewall solutions (Palo Alto, Check Point, Fortinet) and SASE implementations.
• Troubleshoot network security issues and optimize performance.
• Collaborate with project teams to integrate security controls into client architectures.

Skills

Security engineering

Zero Trust

SASE

Zscaler

Firewalls

Tools

Palo Alto

Check Point

Fortinet

ZIA/ZPA/ZDX

Job description

TC-CS-Cyber Architecture-OT and Engineering-ZScaler-Senior 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. EY- Cyber Security – Technology Consulting – Senior Consultant Infrastructure Security As part of our EY Cyber Security team, you shall be responsible for defining, solutions, integrating, and implementing innovative solutions which will enhance our service delivery quality, as well as help us strategically elevate technology-driven transformation for our clients. You’ll also help to create a positive learning culture, coach and counsel junior team members and help them to develop.

The opportunity

We’re looking for a Security professional with a solution mindset and hands‑on security engineering expertise in Infrastructure security concepts, risk and controls concepts, and architecture design. 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

• 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.
• Individual should possess experience in planning, design, deployment, configuration, integration, and management of network protection controls including Next‑gen firewalls, SASE, Zscaler, Cloud Proxy, IPS/IDS, VPN and network authentication solutions to protect IT assets and should be responsible for the deployment of any changes, plug‑ins, or configuration as requested by the client.
• Experienced in planning, designing, deploying, configuring, integrating, and managing Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA) and Zscaler Digital Experience (ZDX)
• Experienced in configuring forwarding/application profiles, URL filtering, Cloud App control, SSL Inspection, and DNS control policies.
• Skilled in deploying app connectors, configuring application segmentation, device posture, and access policies to restrict application access according to customer requirements for Zscaler Private Access (ZPA).
• Troubleshoot and resolve issues related to Zscaler network connectivity, security policies, and performance optimization.
• Deploy, configure, and manage Zscaler Digital Experience (ZDX) solutions to optimize end‑user experiences.
• Monitor and analyse network and application performance metrics using ZDX tools and dashboards, while addressing issues such as network latency, application performance, and user experience to ensure optimal system operation.
• Design and deploy security solutions towards adoption of the Zero Trust architecture for organizations.
• Experienced in planning, designing, deployment, configuration, integration, and management of firewall solutions such as Palo Alto, Checkpoint, Fortinet etc.
• Experience in building solutions by taking into consideration various factors like bandwidth requirements, infrastructure requirements and security.
• Should be well‑versed with network documentation that includes network drawings, text descriptions and equipment configurations, designing HLDs and LLDs. This experience should include both advisory and implementation experience.

Skills and attributes for success

• Serve as highly technical security expert to bring security transformation to both new and legacy infrastructure.
• Deploy new technologies quickly, and successfully transition new platforms to the Security Operations Team for ongoing support.
• Embed with project teams to understand complex architectures, apply correct security controls, and ensure they are governable in the future.
• Development of patterns and validation of those patterns through engagement with business and lab work.
• Effective communication that is both written and spoken with great follow‑up skills.
• Ability to drive outcomes and become the multidisciplinary expert that enables engagement.
• 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.
• Good presentation, project management, facilitation, and delivery skills as well as strong analytical and problem‑solving capabilities.
• Develop/Implement automation solutions and capabilities that are clearly aligned to client business, technology, and threat posture.

To qualify for the role

• Professional‑level knowledge in areas from the following: Strong hands‑on exp. On SASE, Zscaler, Netskope, Next‑gen Firewalls Security Engineering & Architecture assessments Expert level experience on solution, deployment, maintenance and operations Zero Trust Design knowledge Cloud Security Architecture Entrepreneurial approach to solving security problems with consultative skills.
• Good soft skills i.e. verbal & and written communication, technical document writing etc.
• Strong project management, negotiation, and interpersonal skills.
• Prior experience working in the Advisory or Technology Consulting industry.
• Customer orientation skills.
• SASE vendor‑specific certification would be an added advantage.

What we look for

• A Team of people with commercial acumen, technical experience and enthusiasm to learn new things in this fast‑moving environment with consulting skills.
• An opportunity to be a part of market‑leading, multi‑disciplinary team of 1400 + professionals, in the only integrated global transaction business worldwide.
• Opportunities to work with EY Consulting practices globally with leading businesses across a range of industries.

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 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.

Experience Level Senior Level