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Network Security Architect

Cognizant

20 - 22 years

Chennai

Posted: 05/08/2025

Job Description



Job Summary

Network Security Architect


Responsibilities

Key Responsibilities

Review and approve firewall requests in line with risk appetite

Review and analyse firewall rules to ensure they are effective and in line with security best practices

Ensure all firewall rules are recertified by owners in the specified timeframe Where no owner is made available ensure an owner is found and that necessary information is updated

Perform firewall ruleset review

Validate the rule compliance report of the firewalls generated from the automated firewall review solution and share with the respective stakeholders

Perform ACL ruleset management add update remove optimize to remove defunct duplicate rules

Follow the change management process for creationmodificationremoval of rules with necessary approvals

Clearly document all changes to firewall rules including the reason for the change the details of the change the requestor and the date and time of the change

Periodically reviewing existing firewall rules to ensure they are still necessary and appropriate Remove outdated or redundant rules

Regularly assess rule effectiveness Adjust rules based on issues identified

Experience Qualifications

Should have 16 to 20 years of experience in setup configuration and ongoing management of firewall devices like Palo Alto F5 Zscaler Cisco ISE Azure DDoS

Strong in Network Architecture and has to design and develop the architecture framework

Should have experience in preparing HLD and LLD documents

Should have experience in managing endtoend delivery

Should have excellent communication skills

Strong leadership and team management skills

Ability to work collaboratively with crossfunctional teams

Good to have CISSP Certified Ethical Hacker CEH CISM certifications

About Company

Cognizant is a global leader in technology and consulting services, helping businesses transform their operations through digital solutions. Specializing in IT services, including software development, business process outsourcing, and consulting, Cognizant supports clients across industries such as healthcare, financial services, manufacturing, and retail. With a focus on innovation, Cognizant assists organizations in modernizing their technology, improving operational efficiency, and enhancing customer experiences. Headquartered in the U.S., it is consistently ranked among the most admired companies in the world and is a member of the NASDAQ-100.

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