Network Security Lead

Year    Chennai, Tamil Nadu, India

Job Description

Company Name: VARITE India Private Limited
About The Client:
A global information technology, consulting, and business process services company, headquartered in India, provides a broad spectrum of services, including IT consulting, application development, business process outsourcing, and digital solutions. Serving clients across diverse industries and in over 167 countries, the company offers technology-driven solutions to enhance efficiency and innovation. With a global presence, it has emerged as a key player in the IT services and consulting space, contributing to the digital transformation of businesses worldwide.
Essential Job Functions:

  • Thorough understanding of TCP/IP networking & Information Security
  • Architect and design enterprise-wide NAC solutions using Aruba ClearPass.
  • Define and enforce zero trust network access models and identity-based segmentation..
  • Design and implement secure, scalable ZTNA architecture using Zscaler ZIA/ZPA.
  • Architect and design enterprise-wide NAC solutions using Aruba ClearPass.
  • Lead the design and implementation of global Aruba ClearPass physical and virtual infrastructure.
  • Define and enforce zero trust network access models and identity-based segmentation.
  • Develop and implement 802.1X, RADIUS/TACACS, and certificate-based authentication policies.
  • Design secure onboarding flows for BYOD, guests, and corporate endpoints.
  • Implement and maintain wired and wireless authentication, authorization, and accounting (AAA) policies and rulesets in accordance with organizational security requirements in retail, corporate, and CSC environments.
  • Conduct regular audits and assessments of NAC configurations to ensure compliance with security policies and industry's best practices.
  • Develop and enforce ZIA, ZPA and ZTNA policies for secure access to internet, SaaS, and internal applications.
  • ZPA, Zscaler Internet Access Policy administration/management for SDWAN location Internet gateways.
  • Design, deploy, and manage FortiGate firewalls in on-prem data centers and public cloud platforms (AWS, Azure, GCP).
  • Secure cloud workloads using FortiGate-VM in AWS, Azure and GCP architectures.
  • Implement high availability (HA) configurations, VPNs, NAT, IPS/IDS, Application control, Web filter, SSL inspection, and deep packet inspection policies
  • Upgrades/Hotfixes to be applied from time to time.
  • Configure and manage Fortimanager and FortiAnalyzer for centralized logging, policy management, and compliance monitoring.
  • Aruba Clearpass Policy Management and administration for NAC (Network access Control)
  • Defining and generating reports on periodic basis to facilitate Information Security Posture dash-boarding.
  • Device End-of-Life/End-of-Support planning.
  • Attend P1/P2 troubleshooting calls for any of the responsibility areas
  • Create and maintain system documentation and standard operating procedures for administration.
Qualifications:
  • Experience : 8 Years
  • Strong knowledge in NAC, AAA protocols (RADIUS, TACACS+), 802.1X, and certificate-based authentication
  • Hands-on experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) , ZCC
  • Design, deploy, and manage FortiGate firewalls in on-prem data centers and public cloud platforms (AWS, Azure, GCP).
  • Hands-on experience in Fortimanager, EMS, Policy management, IPSec VPN, IDS/IPS and URL/Content filtering, FortiAnalyzer / FortiClient VPN.
Must Have:
  • Aruba Certified ClearPass Professional (ACCP)
  • Hands-on Aruba ClearPass implementation experience.
  • Expert understanding of AAA, 802.1X, RADIUS/TACACS+, and NAC concepts.
  • Hands-on experience with Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA), ZCC and ZTNA.
  • Strong understanding of Zero Trust principles, SASE, and ZTNA frameworks.
  • Thorough knowledge of TCP/IP networking, Information Security controls and Compliance requirements
  • Thorough knowledge of Protocols, Vulnerabilities, Best practices on publishing servers/services over Internet (DMZ)
  • Hands-on FortiGate firewall experience in enterprise and/or cloud environments.
  • Proficient in AWS, Azure, or GCP firewall deployments and best practices.
  • Must be able to correlate and validate potential information security impact of a firewall rule request/implementation
  • Administrative skills on Fortigate firewalls including defining of policies, analysis of IPS/App Control events
  • Experience in security event analysis (Thorough understanding of Threats, attack vectors, Indicators of compromise, Incident handling)
Process & Tools
  • Aruba CPPM
  • Zscaler (ZIA, ZPA, ZCC and ZTNA)
  • Fortigate Firewalls/Fortimanager/FortiAnalyzer in on-prem, AWS, Azure, or GCP, FortiClient, EMS
  • ITIL, ITSM, ISMS, Security Incident Response
  • Incident, Change & Problem management
Behavioral Skill
  • Ability to Collaborate with security/network engineers and other stakeholders.
  • Supporting technical requests/tasks/incidents
  • Great Leadership and collaboration skills
  • Good Written & Verbal Communication Skills
  • Willingness to work on rotational shifts (24x7) including On-call responsibility on rotation (MUST)
How to Apply: Interested candidates are encouraged to respond/submit their updated resumes, and for additional job opportunities, please visit
Unlock Rewards: Refer Candidates and Earn.
If you're not available or interested in this opportunity, please pass this along to anyone in your network who might be a good fit and interested in our open positions. VARITE offers a Candidate Referral program, where you'll receive a one-time referral bonus based on the following scale if the referred candidate completes a three-month assignment with VARITE.
Experience Level Bonus Referral: 0-2 years INR 5,000
2-6 years INR 7,500
6+ years INR 10,000
About VARITE: VARITE is a global staffing and IT consulting company providing technical consulting and team augmentation services to Fortune 500 Companies in USA, UK, CANADA and INDIA. VARITE is currently a primary and direct vendor to the leading corporations in the verticals of Networking, Cloud Infrastructure, Hardware and Software, Digital Marketing and Media Solutions, Clinical Diagnostics, Utilities, Gaming and Entertainment, and Financial Services.
Equal Opportunity Employer:
VARITE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.

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Job Detail

  • Job Id
    JD4109196
  • Industry
    Not mentioned
  • Total Positions
    1
  • Job Type:
    Full Time
  • Salary:
    Not mentioned
  • Employment Status
    Permanent
  • Job Location
    Chennai, Tamil Nadu, India
  • Education
    Not mentioned
  • Experience
    Year