Chargeback Gurus

Network and Security Administrator

Posted 17 Days Ago

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Chennai, Tamil Nadu, IND

In-Office

Mid level

Fintech • Payments • Software • Financial Services

The Role

Design, implement, and support secure network infrastructure. Administer FortiGate, Palo Alto Prisma Access, Cortex XDR, Cisco and Ruckus devices. Manage LAN/WAN, Wi‑Fi, RADIUS authentication, VPN/ZTNA, intrusion prevention, encryption, monitoring, audits, documentation, and basic server/virtual environment support while ensuring ISMS/ISO 27001 compliance.

Summary Generated by Built In

About the Gurus

Chargeback Gurus (CBG) is the leading automated AI-orchestrated chargeback management platform, helping merchants protect and recover more revenue. CBG’s solutions are powered by sophisticated technologies, rich analytics, and deep industry expertise.

With real-time insights and flexible delivery models, CBG equips merchants with the tools and technology needed for effective chargeback prevention and recovery. CBG aligns 100% with client goals and operates with integrity, transparency, and an unprecedented level of security and compliance.

For more information, visit www.chargebackgurus.com.

Job Brief

We are seeking a skilled and detail-oriented Network and Security Administrator to join our team. The ideal candidate will have expertise in managing network infrastructure, with hands-on experience in Fortigate Firewalls, Palo Alto Prisma Access, Cortex XDR, and other key security products. The Network Administrator will be responsible for the design, implementation, and ongoing support of our network infrastructure, ensuring it is secure, reliable, and performs optimally, also involve managing network switching and routing systems, working with Cisco and Ruckus products, administering Wi-Fi access points.

Requirements

· Administer and manage Fortigate Firewalls, Palo Alto Prisma Access, and Cortex XDR.

· Configure and maintain security policies, monitoring, and troubleshooting security issues.

· Implement network security measures, including intrusion prevention, VPN/ZTNA, and data encryption.

· Work on Cisco and Ruckus network switching and routing products.

· Manage LAN/WAN configuration, network segmentation, and performance optimization.

· Troubleshoot and resolve network issues related to connectivity and performance.

· Manage and maintain Wi-Fi access points and ensure network availability and security.

· Configure and administer RADIUS servers for authentication, authorization, and accounting of network users.

· Monitor network usage, performance, and provide troubleshooting for connectivity problems.

· Develop, implement, and enforce network and security policies across the organization.

· Perform regular audits of network traffic, system performance, and security breaches.

· Create and maintain detailed network diagrams and documentation.

· Basic server administration and support experience in managing operating systems, virtual environments, and storage solutions.

· Troubleshoot server issues related to network access, connectivity, and integration with firewalls and security platforms.

ISMS Mandatory training

Ensuring compliance with ISMS requirements, including timely completion of all mandatory information security training, is an essential part of this role.

PII Data Protection Clause for Candidate data retention and deletion

In accordance with ISO/IEC 27001:2022, particularly Annex A 5.34 Privacy and Protection of PII, the organization ensures that all Personally Identifiable Information (PII) collected during the recruitment process is handled lawfully, securely, and in alignment with relevant privacy, legal, regulatory, and contractual obligations. Candidate information including resumes, application forms, assessments, communication records, and any other identifiable data will be retained for a maximum of three (3) months from the date of submission or last activity. After this retention period, if the candidate is not selected, all associated PII will be permanently deleted from organizational records using secure deletion methods appropriate to the storage medium.

The organization maintains dedicated policies and procedures for the preservation, privacy, and protection of PII, with defined roles and responsibilities to ensure proper handling throughout its lifecycle. All processing of candidate PII is restricted to authorized personnel and aligned with data minimization, access control, and secure disposal requirements as required by ISO 27001:2022 Annex A 5.34.

Skills Required

Administer and manage Fortigate Firewalls, Palo Alto Prisma Access, and Cortex XDR
Work on Cisco and Ruckus network switching and routing products
Manage LAN/WAN configuration, network segmentation, and performance optimization
Configure and maintain security policies, monitoring, and troubleshoot security issues
Implement network security measures including intrusion prevention, VPN/ZTNA, and data encryption
Manage and maintain Wi-Fi access points and ensure network availability and security
Configure and administer RADIUS servers for authentication, authorization, and accounting
Monitor network usage and performance; troubleshoot connectivity and performance problems
Develop, implement, and enforce network and security policies across the organization
Perform regular audits of network traffic, system performance, and security breaches
Create and maintain detailed network diagrams and documentation
Basic server administration and support experience managing operating systems, virtual environments, and storage solutions
Ensure completion of ISMS mandatory information security training (ISO/IEC 27001 compliance)
Comply with PII data protection, retention, and deletion requirements per ISO/IEC 27001 Annex A 5.34

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The Company

451 Employees

What We Do

Chargeback Gurus (CBG) is a leading automated AI-orchestrated chargeback management platform that helps merchants protect and recover revenue. Powered by innovative technologies, rich analytics, and deep industry expertise, CBG provides real-time insights and flexible delivery models to equip merchants with the tools and technology necessary for effective chargeback prevention and recovery.