Job Description

Role REPORTS TO

Network Admin - L3

Lead - Network Specialist

BRIEF BACKGROUND

Hitachi Payment Services is a leading payment solutions provider in the country, enabling its customers to grow by offering technology-led cash & digital payment solutions while building a robust payment infrastructure in the country, driving financial empowerment and enabling social change. We cater to customers such as banks, payment aggregators and fintech players who are ready to capture the emerging opportunities in this payments segment.

PURPOSE OF JOB

The Network Administrator L3 will be responsible for the configuration, optimization, and maintenance of advanced network infrastructures. This role requires expertise in dynamic routing protocols, security systems, network design, troubleshooting, and the overall performance of both local and remote networks. The candidate will work with a team to ensure high availability, scalability, and security for critical enterprise networks.

KEY RESPONSIBILITIES

- Routing & Switching:

- o Configure and optimize dynamic routing protocols (OSPF, BGP, EIGRP).
- o Manage Layer 3 switching, VLANs, and inter-VLAN routing.

- Implement route redistribution and policy-based routing to ensure optimal routing paths.

- Network Security:

- Deploy and maintain firewalls, VPN gateways, and IPS/IDS systems.
- Define and enforce access control lists (ACLs) and network security policies.
- Monitor and respond to network security incidents, ensuring proactive resolution.

- Network Design & Optimization:

- Design scalable and resilient network topologies for Data Centers (DC), branches, and cloud environments.
- Plan and implement capacity upgrades to support growing business needs.
- Evaluate current technologies, tools, and solutions, providing recommendations for network improvements.

- High Availability & Disaster Recovery:

- Ensure high availability through technologies such as HSRP, VRRP, GLBP.




- Implement failover mechanisms and redundant links.
- Support disaster recovery (DR) drills and ensure backup readiness.
- Maintain synchronization between DC and DR sites for continuity and resilience.

- Performance & Traffic Management:

- Monitor network performance using tools like SolarWinds, PRTG, Nagios, etc.
- Analyze traffic patterns to identify and resolve bottlenecks, optimizing throughput and performance.
- Implement QoS policies for voice, video, and mission-critical applications.

- Network Maintenance & Documentation:

- Maintain updated network diagrams, configuration records, and change logs.
- Perform root cause analysis for outages and connectivity failures.
- Document solutions and create knowledge base articles for internal reference.

- Load Balancing & Segmentation:

- Oversee load balancing solutions for applications and servers to ensure optimized resource usage.
- Ensure proper network segmentation to improve security and performance.

- Compliance & Auditing:

- Ensure compliance with ITIL, PCI-DSS, ISO 27001, and other relevant security frameworks.
- Prepare audit reports and assist in internal/external security reviews.

- Team Leadership & Mentorship:

- Act as an escalation point for complex network issues unresolved by L1/L2 support teams.
- Provide technical guidance and mentorship to junior engineers and support staff.
- Participate in cross-functional projects to ensure network readiness and alignment with business goals.

Desired Skills & Experience:

- o Proven experience configuring and managing OSPF, BGP, EIGRP,



and other routing protocols in complex networks.
- o Strong knowledge of Layer 3 switching, VLANs, and inter-VLAN routing.
- o Experience with firewall management, VPN gateways, IPS/IDS systems, and ACLs.
- o Familiarity with high-availability solutions such as HSRP, VRRP, and GLBP.
- o Expertise in performance monitoring tools (SolarWinds, PRTG, Nagios) and traffic analysis.
- o In-depth understanding of QoS policies for voice, video, and mission-critical applications.
- o Experience with disaster recovery, backup solutions, and network synchronization.
- o Familiarity with ITIL, PCI-DSS, ISO 27001, and security audit processes.
- o Ability to work independently and lead complex troubleshooting efforts.
- o Excellent communication and documentation skills.
- QUALIFICATION / KNOWLEDGE / SKILLS / EXPERIENCE

Qualifications:

- Bachelor s degree in Computer Science, Information Technology, or a related field (preferred).
- Industry certifications such as Cisco CCNP, CompTIA Network+, or similar certifications are a plus.
- Work Location: Airoli, Navi Mumbai
- Experience: 10 years of experience in network engineering with hands-on experience on Fortigate, Cisco firewalls, routers, and switches.
- Technical Expertise: Advanced knowledge of networking protocols (BGP, OSPF, MPLS, VLANs, STP, VTP), load balancers, and wireless technologies.
- Security Knowledge: Strong expertise in managing firewalls, VPNs, and security protocols.
- Education: Any academic degree or diploma related to IT/Networking.
- Additional Skills: Experience with network automation, troubleshooting, and ISP management would be a plus.

KEY COMPETENCIES

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Network Admin (Mumbai)
🏢 Hitachi Payment Services
📍 Mumbai