Desired Competencies
Strong hands-on experience with:
- Palo Alto firewalls (security policies, VPNs, threat prevention).
- Cisco routers and switches (routing, switching, VLANs/xVLANs, high availability).
· Solid understanding of: - DNS management and IP addressing. - Wi-Fi troubleshooting and optimization.
· Ability to:
Perform hardware support, including RMA processes.
Use network monitoring tools for proactive issue resolution. ·
Mastery of DNS concepts and practices, including reservation and management of public and private IP addresses.
Good to Have
CCNA/CCNP or equivalent networking certifications. · Cloud networking (AWS, Azure or OCI).
Key responsibilities/Expectations from the Role
· Firewall & Security Management
- Configure, maintain, and troubleshoot Cisco Firepower and Palo Alto firewalls, ensuring compliance
with security policies.
- Implement VPNs, intrusion prevention, and threat mitigation strategies.
· Routing & Switching
- Deploy and manage Cisco routers and switches, including VLAN configuration, routing protocols,
and network optimization.
- Ensure high availability and performance of core network infrastructure.
· Network Services
- Administer DNS and DHCP services for reliable name resolution and IP management.
- Maintain accurate IP addressing schemes and documentation.
· Wireless Networking
- Provide support for Wi-Fi infrastructure, including troubleshooting connectivity issues and
optimizing coverage.
· Hardware Support
- Manage RMA processes for defective hardware and coordinate with vendors for timely
replacements.
- Ensure proper installation and maintenance of network hardware.
· Monitoring & Troubleshooting
- Utilize network monitoring tools to proactively identify and resolve issues.
- Perform root cause analysis and implement corrective actions to prevent recurrence.
· Documentation & Compliance
- Maintain detailed network diagrams, configurations, and operational documentation.
- Adhere to industry best practices and organizational security standards.
Key Skills
Ranked by relevance
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- Posted
- Jun 19, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Brazil
- Company
- Tata Consultancy Services
Industries
Categories
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