3,410 Network Architects jobs in India

Role Overview

The Network Security Engineer (L3) will be responsible for the design, implementation, and escalation-level support of complex security solutions. This role requires expertise in firewall technologies, VPN, IDS/IPS, endpoint security, and security incident response. The engineer will act as a subject matter expert (SME), providing guidance to L1 and L2 teams, ensuring compliance with security standards, and mitigating advanced threats to safeguard the organizations IT infrastructure.

Key Responsibilities

• Manage, configure, and troubleshoot advanced network security solutions (firewalls, IPS/IDS, WAF, proxies, DLP, etc.).
• Provide L3 support for escalated incidents and complex security issues.
• Implement and maintain secure network architectures, VPNs, and segmentation strategies.
• Conduct periodic audits, vulnerability assessments, and risk evaluations.
• Monitor, analyze, and respond to security events from SIEM tools.
• Work closely with SOC and Incident Response teams during security events and breaches.
• Develop and maintain security policies, standards, and documentation.
• Evaluate, recommend, and implement new security technologies.
• Mentor and guide L1 and L2 engineers in security operations.
• Collaborate with IT and business teams to ensure compliance with regulatory and security requirements (ISO 27001, PCI-DSS, GDPR, etc.).

Required Skills & Experience

• 610 years of experience in network and security engineering roles.
• Strong expertise in firewall platforms (Palo Alto, Check Point, Fortinet, Cisco ASA/Firepower).
• Proficiency in VPN (IPSec/SSL), Proxy, NAC, and secure remote access technologies.
• Hands-on experience with IDS/IPS, WAF, DDoS mitigation, and endpoint security tools.
• Solid understanding of TCP/IP, routing, switching, and network protocols.
• Experience with SIEM platforms (Splunk, QRadar, Azure Sentinel, etc.).
• Knowledge of cloud security (AWS, Azure, GCP) preferred.
• Familiarity with compliance and security frameworks (ISO, NIST, CIS).
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication skills and ability to work in a team and customer-facing environment.

Certifications (Preferred)

• CCNP Security / CCIE Security
• Palo Alto PCNSE
• Fortinet NSE 6/7/8
• Check Point CCSE
• CISSP / CISM / CISA (added advantage)
• Cloud Security certifications (Azure Security, AWS Security Specialty)

IF INTERESTED KINDLY SHARE PROFILE ON

Role & responsibilities

Security Operations & Support:

• Handle L2-level troubleshooting and resolution of network security incidents.
• Manage and support firewalls, IDS/IPS, VPNs, proxies, and endpoint security solutions.
• Perform log analysis and security event monitoring to detect potential threats.
• Assist in firewall rule changes, ACL modifications, and access reviews.
• Work with SOC/NOC teams to escalate critical security events.

Incident Management & Monitoring:

• Investigate and respond to malware infections, phishing attacks, and network intrusions.
• Assist in DDoS mitigation, security patching, and vulnerability management.
• Escalate complex security issues to L3 engineers or security architects.

Network Security Administration:

• Maintain and configure firewalls (Cisco ASA/FTD, Palo Alto, Fortinet, Check Point, Juniper SRX).
• Support VPN configurations, endpoint protection, and network access control (NAC).
• Ensure compliance with security policies and industry standards (ISO 27001, NIST, PCI-DSS, etc.).

Preferred candidate profile

• Experience: 5+ years in network security
• Hands-on experience with firewalls, IDS/IPS, and endpoint security solutions.
• Good understanding of networking protocols (TCP/IP, VPN, VLAN, BGP, OSPF, NAT, SD-WAN).
• Familiarity with CrowdStrike ,SIEM, DLP, WAF, EDR/XDR, and NAC tools.
• Experience with cloud security (AWS, Azure, GCP) is a plus.

• Certifications preferred:

• CCNA Security, Fortinet NSE 2-4, PCNSA, CEH, CompTIA Security+, or equivalent.

• Basic knowledge of Python, PowerShell, or Ansible for automation is a plus.

Soft Skills:

• Strong analytical and troubleshooting skills.
• Ability to work in a fast-paced environment and handle escalations efficiently.
• Good communication and teamwork skills.
• Experience working in a SOC/NOC environment is an advantage.

Education:

Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent work experience).

Location : Bangalore

Experience : 8–10 years

Join us in shaping the future of enterprise networking. As a Network Specialist, you'll be part of a dynamic team that designs, implements, and supports robust communication networks for our clients. You'll work with cutting-edge technologies including Cisco, FortiGate, Checkpoint, and F5 Load Balancers, ensuring high availability, security, and performance across complex infrastructures.

As a Network Specialist, you will:

• Design, implement, and maintain enterprise network infrastructure using Cisco, FortiGate, Checkpoint, and F5 technologies.
• Provide senior-level support for network services including routers, switches, firewalls, load balancers, and ISE.
• Troubleshoot and resolve complex Tier 3 issues escalated from support teams.
• Lead capacity planning and performance optimization initiatives.
• Create and maintain technical documentation including network diagrams and policies.
• Participate in special projects and contribute to continuous improvement efforts.
• Provide on-call support during escalations and emergencies, including weekends and holidays when required.

• 8–10 years of experience in business network and communication platforms.
• Cisco certification is mandatory (CCNA, CCNP, CCIE or equivalent).
• Strong hands-on experience with Cisco routers, switches, and enterprise devices.
• Familiarity with MPLS, VRF, VPN, and security technologies.
• Experience with FortiGate, Juniper firewalls, F5 Load Balancers, and Cisco Nexus.
• Excellent verbal and written communication skills in English.
• Ability to work independently under pressure and meet tight deadlines.
• Experience in customer-facing or service-provider environments is a plus.

• Exposure to advanced networking technologies and enterprise-grade infrastructure.
• Opportunities to lead and mentor within a collaborative team environment.
• Flexible work arrangements and a culture that values work-life balance.
• Continuous learning and certification support in emerging technologies.

Capgemini is a global business and technology transformation partner, helping organizations accelerate their dual transformation to address the evolving needs of customers and citizens. With a strong 55year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs—from strategy and design to operations.

Job Description

• Network Security Implementation:

• Implement, and manage secure network architectures.

• Enforce security policies, standards, and procedures.

• Evaluate and recommend security solutions, tools, and technologies.

• Monitoring and Incident Response:

• Monitor network traffic for suspicious activities and respond to security incidents.

• Perform vulnerability assessments and remediation.

• Proactive infrastructure monitoring and highlight gaps

• Firewall and VPN Management:

• Configure and manage Firewalls (Legacy & NGFW), VPNs, IDS/IPS, Proxy and other security appliances.

• Implement and maintain network access controls and encryption protocols.

• Collaboration and Training:

• Work closely with other infrastructure teams to ensure secure network integration.

• Stay updated with the latest security trends and threats.

Qualifications:

• Education:

• Bachelor's degree in Computer Science, Information Technology, or a related field. A Master's degree is a plus.

• Experience:

• Hands-on experience in network security.

• Proven experience in designing and implementing secure network architectures.

• Technical Skills:

• In-depth knowledge of firewalls (Cisco ASA, Palo-Alto, FortiGate), VPNs (Remote and IPsec), IDS/IPS, Zscaler and encryption technologies.

• Understanding of various network protocols (switching & routing) preferable with Cisco, Arista and Juniper.

• Experience with cloud security (e.g., GCP, Azure) is a plus.

• Certifications:

• Relevant certifications such as CCNA, CCSP, or similar are highly desirable.

• Soft Skills:

• Excellent problem-solving and analytical skills.

• Strong communication and interpersonal skills.

• Ability to work as part of a team.

• High level of integrity and professionalism.

#ADL

Job Snapshot

Updated Date

Job ID

Job_5794

Function

Engineering

Location

Noida, Uttar Pradesh, India

Employee Type

Employee

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it's a place where you can grow, belong and thrive.

• Primarily Firewall - Palo Alto - Panorama, NAT/PAT, Access rules, Monitoring and troubleshooting.
• Preferred Palo Alto Certified , CCNA / CCNP certified (full yrs. exposure in handling large enterprise network
• Routing (EIGRP, OSPF, BGP, Static, PBR)
• Advanced level understanding of Network & Security technology.
• Capability to analyze logs & traffic patterns
• Capable to support Client for Network Planning, Designing & Engineering
• Experience of Change Management / Problem Management
• Experience of Capacity Management
• Good technical documentation skills
• RCA Preparation for P1 Incident
• Switching (Cisco 3850, 6500, 6800, Nexus 7K and 5K) VTP, Vlan, HSRP.
• Knowledge of Monitoring Tool CA, Net scout , Backbox (If any)
• Participate with Client team for Network designing activities.
• Ability to lead & manage Client escalation.
• Adherence to Internal policies and hardening processes to help Client in Audit's & Compliance.
• Expert knowledge of NMS tool Spectrum or other
• ITIL Process Knowledge. (Incident Management , Change management etc)
• Good Communication Skills
• Should have ability to Mentor Network L2 team.

Workplace type:

Hybrid Working

About NTT DATA

NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo.

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. Apply today.

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters—whether in writing or by phone—in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an email address. If you suspect any fraudulent activity, please contact us .

Network Security:

Job Description

We are seeking a highly skilled Network Architect/Engineer to design, implement, and maintain our complex network infrastructure. The ideal candidate will have a deep understanding of network technologies and be able to translate business requirements into technical solutions.

Responsibilities:

• Design, implement, and manage network infrastructure, including Extreme Switches, F5 Load Balancers, Wireless LAN Controllers and Access Points, and Palo Alto/Checkpoint firewalls.
• Develop and maintain network architecture diagrams, documentation, and standards.
• Troubleshoot network issues and implement solutions to ensure optimal network performance and availability.
• Collaborate with other IT teams to integrate network infrastructure with enterprise applications and systems.
• Stay up-to-date with emerging network technologies and industry best practices.
• Provide technical guidance and mentorship to junior network engineers.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Extensive experience with network design, implementation, and troubleshooting.
• In-depth knowledge of Extreme Switches, F5 Load Balancers, Wireless LAN Controllers, and Access Points.
• Strong understanding of network security concepts and experience with Palo Alto/Checkpoint firewalls.
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Certifications in relevant network technologies (e.g., CCNP, CCIE, JNCIP) preferred.

Preferred Skills:

• Experience with network automation and scripting (Python, Ansible, etc.).
• Knowledge of cloud networking platforms (AWS, Azure, GCP).
• Understanding of network virtualization technologies (SD-WAN, SDN).
• Experience with network monitoring and analysis tools.

This is a challenging and rewarding role for a highly motivated individual with a passion for network engineering. If you are looking for an opportunity to make a significant impact on our organization, we encourage you to apply.

Network Engineer: 6+ years experience

Job Description

We are seeking a Network Engineer Level 1 to join our dynamic IT team. In this role, you will be responsible for providing first-line support for our network infrastructure, ensuring optimal network performance and uptime. The ideal candidate possesses a strong foundation in networking fundamentals and a keen interest in learning and growing within the field.

Responsibilities:

• Monitor and maintain network infrastructure, including Extreme Switches, F5 Load Balancers, Wireless LAN Controllers and Access Points, and Palo Alto/Checkpoint firewalls.
• Troubleshoot and resolve network connectivity issues, escalating complex problems to higher-level engineers as needed.
• Configure and maintain network devices according to established procedures and standards.
• Implement network access control policies and procedures to enhance security.
• Provide technical support to end-users for network-related issues.
• Document network configurations, troubleshooting steps, and resolution processes.
• Stay updated on emerging network technologies and industry best practices.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field preferred.
• Strong understanding of networking fundamentals, including TCP/IP, routing, switching, and network protocols.
• Hands-on experience with Extreme Switches, F5 Load Balancers, Wireless LAN Controllers and Access Points, and Palo Alto/Checkpoint firewalls is preferred.
• Knowledge of Network Access Control (NAC) principles and technologies.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and interpersonal skills.
• Ability to work independently and as part of a team.

Desired Skills:

• Experience with scripting languages (e.g., Python, PowerShell).
• IT certifications (e.g., CCNA, CompTIA Network+) are a plus.

If you are a motivated individual with a passion for technology and a desire to build a career in network engineering, we encourage you to apply.

Network Architect: 10+ Years Experience

Job Description

We are seeking a highly skilled Network Architect/Engineer to design, implement, and maintain our complex network infrastructure. The ideal candidate will have a deep understanding of network technologies and be able to translate business requirements into technical solutions.

Responsibilities:

• Design, implement, and manage network infrastructure, including Extreme Switches, F5 Load Balancers, Wireless LAN Controllers and Access Points, and Palo Alto/Checkpoint firewalls.
• Develop and maintain network architecture diagrams, documentation, and standards.
• Troubleshoot network issues and implement solutions to ensure optimal network performance and availability.
• Collaborate with other IT teams to integrate network infrastructure with enterprise applications and systems.
• Stay up-to-date with emerging network technologies and industry best practices.
• Provide technical guidance and mentorship to junior network engineers.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Extensive experience with network design, implementation, and troubleshooting.
• In-depth knowledge of Extreme Switches, F5 Load Balancers, Wireless LAN Controllers, and Access Points.
• Strong understanding of network security concepts and experience with Palo Alto/Checkpoint firewalls.
• Excellent problem-solving and analytical skills.
• Strong communication and interpersonal skills.
• Certifications in relevant network technologies (e.g., CCNP, CCIE, JNCIP) preferred.

Preferred Skills:

• Experience with network automation and scripting (Python, Ansible, etc.).
• Knowledge of cloud networking platforms (AWS, Azure, GCP).
• Understanding of network virtualization technologies (SD-WAN, SDN).
• Experience with network monitoring and analysis tools.

This is a challenging and rewarding role for a highly motivated individual with a passion for network engineering. If you are looking for an opportunity to make a significant impact on our organization, we encourage you to apply.

Key Responsibilities:

Global Network Security Operations with managing Incidents and Requests on
Palo Alto Firewall
, DNS,DHCP, Proxy (Zscaler and Netskope )

Key Performance Indicators:

Firewall Implementation, Resolution of
Palo Alto Firewall
, DNS, DHCP, Proxy (Zscaler and Netskope ) Incidents and Requests to maintain high Network Availability for end users / businesses

Qualificaton:

B.E (EXTC)

Functional Skills/Competencies:

Perfect communication in English, End-user service oriented, Good Interpersonal skills, Ability to work under pressure,Rigour and synthesis, Advanced level of troubleshooting skills

Behavioral Skills/Competencies:

Autonomy, Able to demonstrate rigour and a willingness to adhere to the defined processes and procedures,Strong understanding and knowledge of Internet infrastructures, Experience in IT infrastructure support

Network Security / Cisco:

• Cisco Networking: Routers, Switches, Firewalls (ASA/FTD), VLANs, Routing Protocols (OSPF, EIGRP, BGP), WAN technologies (MPLS, VPNs, GRE)
• Security & Access Control: ACLs, NAT/PAT, Zone-Based Firewall (ZBFW), Intrusion Prevention (IPS/IDS), secure wireless (WLC, 802.1x, WPA3)
• VPN & Remote Access: Site-to-Site VPN, Cisco AnyConnect, DMVPN, IPSec configuration
• Threat Management & Monitoring: Cisco SecureX, Umbrella, network traffic monitoring (Wireshark, Cisco Prime), SIEM integration
• Advanced Security Practices: Zero Trust implementation, network segmentation, device hardening, compliance alignment (ISO 27001, SOC2, PCI-DSS)
• Certifications: CCNA, CCNP, Cisco CyberOps, optional CCIE Security/Enterprise