Server Load Balancer Engineer (L2)

NTT America, Inc.; Mumbai; On-site; INR 1,200,000 - 2,100,000; Full time

Job summary

NTT DATA is seeking an L2 F5 Network Engineer in Mumbai to manage SLB and GSLB, focusing on LTM and GTM. You will handle incidents, changes, and optimization to ensure availability and security of critical apps.

In a regulated environment, you will collaborate with L1/L3 teams, SOC, and project managers, participating in patching, upgrades, and security audits. On-site role with banking-sector focus.

Qualifications

• 4-6 years of relevant experience in L2 network engineering with F5 load balancers.
• Hands-on experience with LTM and GTM in enterprise deployments.
• Strong understanding of TCP/IP, DNS, HTTP/S, and routing protocols (BGP/OSPF).

Responsibilities

• Provide Level 2 support for DMZ SLBs and perimeter GSLBs, resolving complex issues from L1 teams.
• Perform health checks, monitoring, and performance tuning of the F5 infrastructure.
• Execute change requests for virtual server configurations, pool members, and iRules per change control.
• Assist with patching, software upgrades, and hardware maintenance of F5 BIG-IP devices.
• Enforce PCI DSS and other regulatory requirements for banking applications.
• Coordinate with L1/L3, developers, and project managers for incident resolution.
• Support security audits and address findings related to load balancing.
• Ensure secure traffic flow across data centers, coordinating with SOC teams.

Skills

F5 BIG-IP LTM

F5 BIG-IP GTM

TCP/IP

DNS

HTTP/S

BGP

OSPF

SSL/TLS

VPNs

Job description

Make an impact with NTT DATA

Role: L2- Server Load Balancer (SLB & GSLB)

Level: L2 (24*7)

Experience*: 4-6 years’ relevant experience.

Technology (OEM)*: F5 BIG-IP (LTM & GTM), TCP/IP, DNS, HTTP/S, and R&S protocols (BGP, OSPF), SSL/TLS, VPNs.

Skills: Candidate should have In-depth knowledge of LTM, GTM, TCP/IP, DNS, HTTP/S, R&S protocols (BGP, OSPF)

Job summary

The L2 F5 Network Engineer is responsible for the day-to-day operations, maintenance, and support of the F5 load-balancing infrastructure. This includes both Local Traffic Manager (LTM) for Server Load Balancing (SLB) and BIG-IP DNS (formerly GTM) for Global Server Load Balancing (GSLB). The role focuses on ensuring high availability, performance, and security of critical banking applications by handling incidents, executing changes, and assisting with problem resolution. The engineer will work within a strict, regulated environment and must adhere to all security and compliance protocols.

Key Responsibilities

• Provide Level 2 support for all incidents and service requests related to DMZ SLBs and perimeter GSLBs, resolving complex issues escalated from L1 teams.
• Perform routine health checks, proactive monitoring, and performance tuning of the load balancing infrastructure.
• Execute change requests for network and security modifications, including new virtual server configurations, pool member updates, and rule/iRule adjustments, following strict change management protocols.
• Assist with regular patching, software upgrades, and hardware maintenance of F5 BIG-IP devices and other related infrastructure, often during non-business hours.
• Implement and enforce network security policies and best practices specific to the banking sector, including PCI DSS and other regulatory requirements.
• Act as a liaison between L1 and L3 support teams, developers, and project managers.
• Assist with security audits, provide evidence of compliance, and address any security or vulnerability findings related to the load balancing environment.
• Ensure application traffic flows securely through the DMZ and across multiple data centers, coordinating with Security Operations Center (SOC) teams as needed.
• Shall analyze incidents & identify root causes and act for containment and remediation.
• Shall co-ordinate with the different departments/stakeholders for incident analysis and remedial action.
• Provides engineering analysis and architectural design of technical solutions.
• Strong, hands-on experience with enterprise-grade load balancers, preferably F5 BIG-IP LTM (Local Traffic Manager) and GTM (Global Traffic Manager).

Workplace type :

On-site Working

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us.