As a Senior Associate – Technology Infrastructure for Network & Security, you will serve as a hands-on individual contributor responsible for designing, implementing, monitoring, and maintaining enterprise network security solutions. In this role, you will manage next-generation firewalls, VPNs, SASE architectures

(such as Netskope and Zscaler), and secure remote access environments. Your scope covers core administrative controls, security monitoring, incident management, infrastructure maintenance, and break-

fix activities.

Key Responsibilities

Network & Firewall Infrastructure Management

- Design, implement, and maintain enterprise-grade network security infrastructure.
- Configure and enforce network segmentation and access control policies.
- Manage next-generation firewalls (e.g., Fortinet, Sophos), including NAT, IPsec, and SSL VPN technologies.
- Configure and manage Wireless Access Points (APs) and centralized network management platforms

(e.g., Aruba Central).

- Maintain and optimize reliable connectivity between Head Office (HO) and Branch Offices (BO).

SASE, Cloud & Endpoint Security

- Administer SASE platforms (Netskope, Zscaler) and deploy key capabilities: Secure Web Gateway

(SWG), Cloud Access Security Broker (CASB), SSL Inspection, and Data Loss Prevention (DLP).

- Configure inline and API-based CASB controls and establish policies for sanctioned and unsanctioned cloud applications.
- Deploy Zero Trust Network Access (ZTNA) and support Private Access solutions for internal applications.
- Manage enterprise endpoint security and response solutions (e.g., CrowdStrike, Sophos, Forcepoint).

Operations, Incident & Monitoring

- Monitor network traffic using SIEM and network performance monitoring tools to ensure high availability and proactive threat detection.
- Lead critical incident resolution and client escalations,



coordinating closely with internal teams and vendor support.
- Partner directly with OEMs to resolve complex issues across Firewalls, SASE, and Endpoint tools.

Governance, Audit & Compliance

- Ensure compliance with enterprise security standards and regulatory frameworks through regular configuration audits of firewalls, switches, and APs.
- Actively support ISO 27001 compliance, client audits, Vulnerability Assessment & Penetration Testing

(VAPT), and change management processes.

- Continuously review and optimize firewall and SASE security policies.
- Author and maintain technical documentation, network topology diagrams, and Standard Operating

Procedures (SOPs).

Required Qualifications & Skills

- Experience: 6–8 years of experience in Network and Security Administration, with hands-on exposure to Windows and Linux server environments.
- Networking Fundamentals: Advanced TCP/IP, VLANs, Inter-VLAN Routing, AAA protocols, and identity-based access controls.
- Network Security: Firewalls (Fortinet, Sophos), IPsec/SSL VPN, NAT, Proxy, SSL/TLS, and Load

Balancing.

- SASE & Cloud Security: Netskope, Zscaler, ZTNA, CASB (Inline & API), SWG, and DLP policies.
- Endpoint & EDR/XDR: CrowdStrike, Sophos, Forcepoint.
- Wireless & Management: Aruba Central, AP configuration, and WAN/HO-BO connectivity.
- Compliance & Audits: ISO 27001, Network VAPT, configuration audits, and ITIL Change Management.
- Operational Skills: Proficiency with IT ticketing systems, solid incident troubleshooting, and clear technical documentation abilities.
- Soft Skills: Written and oral communication skills with experience supporting global stakeholders across time zones.
- Certifications: CCNA (or higher) and at least one enterprise security certification (e.g., Fortinet NSE,

Netskope, Palo Alto PCNSA/PCNSE, or CompTIA Security+) preferred.

📌 Senior Associate – Technology Infrastructure for Network & Security (Chennai)
🏢 Tiger Analytics
📍 Chennai