Network Architect - L3

Tata Consultancy Services; Seremban; On-site; MYR 250,000 - 300,000; Full time

Job summary

Tata Consultancy Services is seeking an experienced Network Architect - L3 to manage and implement robust IT infrastructure and security solutions. The position focuses on Cisco network and firewall platforms, requiring deep expertise in various networking areas and the ability to collaborate with teams to enhance network performance and security.

Qualifications

• 8+ years of hands-on experience in network architecture.
• Experience with Cisco IP VPN, SDWAN, BGP, and Meraki.
• Strong troubleshooting skills using Wireshark and packet analyzer.

Responsibilities

• Design, implement, and manage enterprise networking components.
• Plan and execute network migrations and optimizations.
• Document network configurations and best practices.

Skills

LAN

WAN

Wireless

Load Balancer

Firewalls

Cisco

DNS

DHCP

TCP/IP

Wireshark

Education

Bachelor’s or Master’s degree in Computer Science or IT

Tools

Cisco DNAC

F5 Load Balancer

Service-Now

Job description

About TCS:

A purpose-led organization that is building a meaningful future through innovation, technology, and collective knowledge. We're #BuildingOnBelief.

Tata Consultancy Services (TCS) is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 50 years. TCS offers a consulting-led, cognitive powered, integrated portfolio of business, technology and engineering services and solutions

Tata Consultancy Services (Malaysia) Sdn Bhd, an MSC Status company established since 2003 has been serving various Malaysian customers from various industries across Banking & Financial Services, Telecommunications, Oil & Gas, Airlines, Healthcare, GLCs and many more.

Please find the job description below

Job Title: Network Architect - L3

Location: Seremban (onsite)

Job Summary:

We are seeking a highly skilled and experienced Network Architect to design, implement, and maintain robust IT infra, network and security with a focus on cisco network and firewall platforms. The ideal candidate should have deep expertise in LAN, WAN, wireless, load-balancer, Firewalls, Meraki, DNAC and IPAM, and must be capable of developing high-availability, scalable network solutions aligned with business needs.

Key Responsibilities:

• Design, implement, and manage enterprise networking components like IP network subnets, LAN/WAN/Wireless, firewalls, load balancers, Meraki and VPN gateways

• Deploy, managing and monitor network resources through global Infrastructure

• Plan and execute data center & office network migrations, deployments and optimizations to enhance performance and scalability.

• Develop and implement solutions for complex network challenges in enterprise environments

• Collaborate with security and compliance teams to ensure network security, audit readiness, and regulatory compliance.

• Document network configurations, policies, and best practices for internal teams and stakeholders.

• Troubleshoot complex network issues and provide timely resolution.

• Ensure network security and compliance with organizational and regulatory standards

• Perform capacity planning, performance tuning, and proactive monitoring of IT network and security environments.

• Develop strategies for network devices backup, recovery, and failover mechanisms to ensure business continuity.

• Collaborate with development and infrastructure teams to provide network and security solutions for business.

• Define and maintain network standards HDLD / LLD design documentation, and procedures.

• Deep knowledge on service-now ticking system, this includes P1/P2 incident resolution and change management process.

• Evaluate the network technologies with automation tools and templates to improve efficiency and performance.

• Work as a team, share the knowledge and train to junior team members

Required Skills & Qualifications:

• Bachelor’s or master’s degree in computer science, Information Technology, or related field.

• 8+ years of hands-on experience in network architecture

• Experience in implementing and supporting enterprise network technologies, including SDWAN, BGP, OSPF, EIGRP, QoS, wireless network solutions, Cisco IP VPN, and Meraki

• Hands -on experience on Nexus switches – configuration, troubleshooting and upgradation.

• Detailed understand and provide the solutions of advanced network security topics, such as cisco firewall (ASA, FTD and FMC)

• Strong knowledge on F5 load balancer to provide the solutions and troubleshooting.

• Good knowledge of DNS, DHCP, TCP/IP, NTP, RADIUS and TACACS

• Understanding network monitoring, NetFlow, capacity management

• Strong exposure troubleshooting skills on Wireshark and packet analyzer.

• Experience on cisco DNAC solutions with edge and boarder layer

• Experience on design and solution in high availability, disaster recovery, and failover planning.

• Strong understanding of the enterprise and DMZ network traffic management.

• Excellent communication and collaboration skills.

• Good knowledge of HDLD/ LLD documentation preparation.

• Ability to work independently and handle multiple priorities in a fast-paced environment.

• Highly organized and have clear, concise communication skills

• Ability to function in a Global organization with a flexible and dynamic team environment

Preferred Qualifications/Certification:

• Cisco certification CCNP equivalent switching and routing

• Cisco CCNA and CCNP-security certification

• Advantages with cloud-based network (AWS and Azure) certification

• Exposure to network automation tools and scripting

• Advantage adding the ITIL certification

Thank you for your interest in applying for this position with TCS. We will review your application and will get back to you if we are considering your interest in this opportunity.