Web Infrastructure Engineer | iEnergizer Noida

Greetings from iEnergizer !

We at iEnergizer are Hiring for Web Infrastructure Engineer !

Location: Noida Sector 60
Work Mode: Work From Office (WFO)
Department: Information Technology
Experience: 3+ Years
Shift:5 Days working - US Night Shift approximately 4 hours of daily overlap with US Pacific Time, involving late-evening working hours in India
Employment Type: Full-Time

Environment: 24x7 Production Support

Job Summary:

We are looking for a Web Infrastructure Engineer I to join our IT Infrastructure team and support a 24x7 highly available production environment. The ideal candidate will have strong hands-on experience in F5 Load Balancing, F5 LTM/GTM, Web Application Firewall (WAF), BIG-IP DNS, Windows Server, IIS, Akamai CDN, DNS and network troubleshooting.

The role requires a technically strong and self-motivated professional who can independently troubleshoot complex infrastructure issues, perform root cause analysis, implement technical solutions and support critical production environments.

Key Responsibilities:

• Design, implement, configure and maintain F5 Load Balancer appliances.
• Architect, configure and manage F5 Local Traffic Manager (LTM).
• Develop and maintain F5 iRules for application traffic management.
• Configure and manage F5 Global Traffic Manager (GTM) and DNS services.
• Manage Traffic Director rules and traffic-routing configurations.
• Administer Akamai technologies, including CDN, Site Shield, API & App Protector and DNS.
• Manage PKI, SSL/TLS certificates and certificate lifecycle.
• Manage DNS using Windows DNS, F5 GTM and Akamai DNS.
• Monitor, investigate and respond to WAF and DDoS alerts.
• Support Windows Server 2012/2016 or newer environments.
• Support IIS web servers and .NET-based web applications.
• Troubleshoot network and application connectivity issues using tcpdump, Wireshark and other diagnostic tools.
• Perform root cause analysis (RCA) and identify, isolate and resolve technical issues.
• Design, test and implement complex infrastructure solutions and architectures.
• Lead technical initiatives, infrastructure projects and new implementations.
• Work with external vendors and consultants to troubleshoot complex issues and drive resolution.
• Respond to production alerts, incidents and infrastructure alarms within defined SLAs.
• Maintain high availability, performance and reliability of critical web infrastructure.
• Automate routine administration and operational tasks wherever possible.
• Manage multiple priorities effectively in a high-pressure production environment.

Required Technical Skills:

• 3+ years of experience in Windows Server Administration
• 3+ years of hands-on experience with F5 LTM
• 3+ years of hands-on experience with F5 GTM
• Strong understanding of F5 Load Balancing
• Experience with F5 iRules
• Experience with WAF and DDoS protection
• Experience supporting IIS Web Servers
• Understanding of .NET web applications
• Experience with VMware vSphere
• Experience with Akamai CDN, Site Shield, API & App Protector and DNS
• Strong knowledge of DNS
• Experience with PKI and SSL/TLS certificate management
• Hands-on experience with tcpdump and Wireshark
• Strong understanding of OSI and TCP/IP networking models
• Good knowledge of LAN/WAN, switching, routing and network security
• Understanding of Layer 4 - 7 networking, firewalls and DDoS concepts

Desired Skills:

• Experience working in a 24x7 production environment
• Strong troubleshooting and analytical skills
• Experience in incident management and RCA
• Ability to work independently and handle critical production issues
• Strong communication and stakeholder-management skills
• Experience managing vendors, contracts, service levels and escalations
• Ability to handle multiple tasks and priorities under pressure
• Exposure to infrastructure automation and scripting is an advantage

Interested candidates can share their profile at arun.sharma@ienergizer.com / WhatsApp 9318471502

~Regards

Arun Sharma

iEnergizer HR Team