Senior Network Engineer
On-siteBengaluru, Karnataka, India
Bengaluru, Karnataka, IndiaOn-siteFull TimeSenior LevelTECHMedium
Full TimeSenior LevelMediumTECH
Job Summary
Support, configure, and optimize enterprise network security devices including Palo Alto, Fortigate, and Cisco firewalls while acting as a senior technical escalation point for complex Level 2/3 incidents and root cause analysis. Independently diagnose and resolve network issues through direct analysis of configurations, logs, and packet flows, and plan security changes with appropriate risk assessment and rollback planning. Provide hands-on support for Azure networking components and implement security tools, policies, and standards in line with customer requirements. Maintain technical documentation and provide guidance to engineers while coordinating with vendors and internal teams to drive issues to resolution. Proactively identify risks and opportunities to improve resilience and operational efficiency.
Required Qualifications
- Minimum 8+ years' relevant experience directly supporting, configuring and troubleshooting enterprise network and security technologies in hands-on operational roles
- Strong hands-on experience with firewall platforms such as Palo Alto, Fortigate and Cisco, including policy management, NAT, VPNs, high availability, upgrades and troubleshooting
- Able to demonstrate real-world hands-on configuration and troubleshooting experience, including situations where the candidate personally completed the technical work rather than only following scripts or coordinating delivery through another team
- Strong understanding of routing, switching and enterprise network protocols, including BGP, OSPF, VLANs, STP, IPsec, SSL VPN and DNS/DHCP fundamentals
- Experience supporting and configuring a range of network devices and technologies, including firewalls, switches, routers, load balancers, VPNs and monitoring tools
- Experience operating in complex customer environments, including enterprise networking, data centre, cloud and hybrid environments, with practical Microsoft Azure networking experience across VNets, subnets, peering, network security groups, route tables, VPN gateways, ExpressRoute integration and hub-and-spoke designs
- Ability to troubleshoot Azure and hybrid network connectivity issues using hands-on investigation, including effective routes, firewall policies, NSG rules, UDRs, DNS, VPN/ExpressRoute paths and end-to-end traffic flow analysis
- Experience conducting network audits, health checks, configuration reviews and technical risk assessments
- Excellent written and verbal communication skills, with the ability to explain technical issues clearly to customers, vendors and internal stakeholders
- Senior, trusted engineer who can personally take ownership of complex technical issues, perform the hands-on investigation and configuration work required, and drive issues through to resolution
- Decisive, calm under pressure and capable of delivering high-quality outcomes despite operational constraints
- Conscientious, organised and able to prioritise work effectively with limited direction
- Strong troubleshooting, analytical thinking and communication skills, with the confidence to engage directly with customers and stakeholders
- Technically curious and confident working beyond scripted procedures, with the ability to interpret symptoms, validate assumptions, test safely and resolve issues using first-principles troubleshooting
- Comfortable adapting their approach across varied customer environments, technologies and support models
- Process-oriented with excellent attention to detail and a strong focus on documentation, governance and service quality
- Willing to mentor and support other engineers, helping to improve technical standards across the team
Desired Qualifications
- Cisco CCNP, Palo Alto PCNSE, Fortinet NSE or equivalent professional-level certification preferred
- IT degree or equivalent combination of professional qualifications and practical experience
- Experience across multiple network vendors, including Cisco, Palo Alto, Juniper, Fortigate, F5, Aruba or similar technologies
- Experience with security controls such as IDS/IPS, network segmentation, remote access, vulnerability remediation and secure configuration standards
- Experience with Azure-native network security and connectivity services such as Azure Firewall, Network Security Groups, VPN Gateway, ExpressRoute, private endpoints or similar cloud networking controls
- Experience with automation, scripting or infrastructure-as-code tools to improve operational efficiency
- ITIL foundation or practical experience working within ITIL-aligned service management processes
- Ability to learn new technologies quickly and apply them in customer-facing operational environments
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