Firewall Implementation Engineer

Providence India; Hyderabad; On-site; INR 1,500,000 - 3,000,000; Full time

Job summary

Qualifications

• Hands-on implementation and troubleshooting experience with multiple enterprise firewall platforms.
• Experience managing firewall policies: objects, NAT, routing, logging, upgrades, audits.
• Strong understanding of site-to-site and remote-access VPNs, segmentation, and HA firewall configurations.
• Proven ability to work with customers, application teams, vendors, and other infrastructure teams within formal change-management processes.

Responsibilities

• Build firewall services for new sites and enterprise initiatives.
• Convert legacy firewall environments to current architecture and standards.
• Implement connectivity for applications, vendors, medical systems, and B2B integrations.
• Maintain and modernize enterprise firewall architecture.
• Lead implementation, troubleshooting, validation, documentation, and operational handoffs.

Skills

Cisco FTD

Cisco ASA

ZIA

ZPA

ZTB

VPNs

Firewall policy

Network troubleshooting

Job description

We are seeking mid-to-senior-level, hands-on implementation engineers, not candidates whose experience is primarily architecture, monitoring, ticket escalation, or operational support.

Ideal candidates should have:

• Approximately 5+ years of hands-on network engineering experience, preferably supporting a large, complex, 24x7 enterprise environment.
• Experience leading end-to-end network deployments, including:
  • Greenfield site implementations
  • Legacy-site modernization and architecture conversions
  • Mergers and acquisitions integration
  • Application and vendor connectivity deployments
• Subject matter expertise within their assigned technical area.
• Packet captures and protocol analysis
• Packet brokers and network visibility tools
• Root-cause analysis
• Application connectivity troubleshooting
• Working knowledge of:
  • DHCP and DNS
  • RADIUS and TACACS+
  • LDAP and Active Directory
  • Network access control and authentication services
• Ability to work directly with customers, application teams, vendors, security teams, architects, and other infrastructure teams.
• Experience working within formal change-management and documentation processes.
• Ability to create implementation plans, network diagrams, configuration documentation, operating procedures, and operational handoffs.
• Clear written and verbal English communication skills.
• Healthcare or similarly complex, highly regulated enterprise experience is preferred.

Firewall Implementation Engineer

Primary Focus

• Build firewall services for new sites and enterprise initiatives.
• Convert legacy firewall environments to current architecture and standards.
• Implement connectivity for applications, vendors, medical systems, and business-to-business integrations.
• Maintain and modernize enterprise firewall architecture.
• Lead implementation, troubleshooting, validation, documentation, and operational handoff.

Must-Have Experience

• Hands-on implementation and troubleshooting experience with multiple enterprise firewall and security platforms, including:
  • Cisco Firepower Threat Defense, or FTD
  • Cisco Adaptive Security Appliance, or ASA
  • Zscaler Internet Access, or ZIA
  • Zscaler Private Access, or ZPA
  • Zscaler Zero Trust Branch, or ZTB
• Enterprise firewall policy administration, including:
  • Security policies
  • Network and application objects
  • Network Address Translation
  • Routing
  • Logging and monitoring
  • Software upgrades
  • Rule auditing and remediation
• Strong understanding of:
  • Site-to-site and business-to-business VPNs
  • Remote-access VPN services
  • Application traffic flows
  • Segmentation and security zones
  • High-availability firewall configurations
• Ability to troubleshoot complex application connectivity issues across firewalls, proxies, VPNs, and network infrastructure.