198 Tcs Walkin Drive For Network Admin jobs in Chennai

Job Summary :

We are seeking a seasoned Network Security Engineer with extensive experience in Routing, Switching, and Firewall technologies. The ideal candidate will have a strong background in designing, implementing, and maintaining secure network infrastructures across enterprise environments.
Key Responsibilities:

• Design and manage enterprise-level network architectures involving Routing and Switching.
• Configure, monitor, and troubleshoot Firewall systems to ensure optimal security and performance.
• Collaborate with cross-functional teams to support network-related initiatives and resolve complex issues.
• Conduct periodic security assessments and implement necessary upgrades or patches.
• Document network configurations, changes, and incident reports in accordance with compliance standards.
• Provide technical guidance and mentorship to junior team members when required.

• Strong expertise in Routing and Switching protocols (e.g., OSPF, BGP, VLANs, STP).
• Minimum 5 years of hands-on experience with Firewall technologies (e.g., Cisco ASA, Palo Alto, Fortinet).
• Solid understanding of network security principles and best practices.
• Experience with network monitoring and diagnostic tools.

• Relevant certifications such as CCNP, Fortinet NSE, or Palo Alto PCNSE.
• Exposure to SD-WAN, VPN, and cloud networking environments.
• Ability to work independently and manage multiple priorities in a fast-paced setting.

A network security engineer is responsible for every aspect of data safety in a network, ensuring there are minimum vulnerabilities by adopting and integrating the latest technology to prevent malicious attacks. A network security engineer job description often includes:

• Making sure system backups are running in case of a security attack

• mplementing network security blueprints prepared by security architects

• M naging information and data access

• M intaining and updating firewalls and testing the organization’s network and systems

A network security engineer is responsible for every aspect of data safety in a network, ensuring there are minimum vulnerabilities by adopting and integrating the latest technology to prevent malicious attacks. A network security engineer job description often includes:

• Mak ng sure system backups are running in case of a security attack

• I plementing network security blueprints prepared by security architects

• M naging information and data access

• M intaining and updating firewalls and testing the organization’s network and systems

Job Summary:

We are seeking a Senior Network Security Engineer to lead the planning, implementation, and management of enterprise-grade network security infrastructure. This role demands deep expertise in firewall technologies, VPNs, IDS/IPS, network segmentation, and threat prevention , with a focus on proactive defense, compliance, and operational excellence.

Key Responsibilities:

• Design and implement network security architecture that aligns with business goals and regulatory requirements (e.g., NIST, ISO 27001, HIPAA).
• Manage and optimize next-generation firewalls (NGFWs) – such as Palo Alto, Fortinet, Cisco Firepower, or Check Point .
• Configure and maintain VPN solutions (site-to-site, remote access, SSL/IPSec), NAC (Cisco ISE, Aruba ClearPass) , and AAA services .
• Deploy and monitor IDS/IPS, DDoS protection, web filtering, and threat intelligence platforms .
• Conduct vulnerability assessments , penetration tests , and collaborate with SOC/IR teams for incident response.
• Create and enforce security policies , network segmentation, and Zero Trust architectures .
• Automate security tasks using tools such as Ansible, Python, or scripting for managing firewall rules and auditing.
• Work closely with IT, Cloud, DevOps, and OT teams to ensure secure end-to-end communication and integration.
• Maintain detailed documentation of security infrastructure, incident handling procedures, and audit trails.
• Participate in security audits, risk assessments, and compliance reviews .

Required Qualifications:

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field.
• 6+ years of experience in network and security engineering , with a focus on enterprise-grade deployments.
• CISSP Certified
• Strong hands-on experience with firewall technologies (e.g., Fortinet, Palo Alto, Cisco ASA/Firepower).
• Deep understanding of network protocols (TCP/IP, DNS, DHCP, BGP, OSPF) and secure network design .
• Proven experience with IDS/IPS , SSL decryption , SIEM integration , and log analysis .
• Familiarity with security frameworks like NIST, MITRE ATT&CK, CIS Benchmarks.
• Proficient in handling VPNs, remote access, multi-factor authentication , and SSL/TLS configurations.

Preferred Qualifications:

• Certifications such as CISSP, CCNP Security, PCNSE, Fortinet NSE 4/5/7, CEH, or GCIA .
• Experience with cloud security (AWS, Azure, or GCP), including cloud firewall, security groups, WAF, and cloud VPNs .
• Exposure to OT/ICS/SCADA network security and industrial firewall deployments .
• Working knowledge of Zero Trust , micro-segmentation , and ZTNA technologies .
• Familiarity with SIEM/SOAR tools like Splunk, QRadar, Sentinel, or Cortex XSOAR.

Soft Skills:

• Proficiency in English
• Excellent problem-solving and critical-thinking abilities.
• Strong communication and documentation skills.
• Ability to lead projects, work under pressure, and handle incidents in real-time.
• Team player who can work cross-functionally with security, infrastructure, and application teams.

Compensation & Benefits:

• Competitive salary and bonus package.
• Remote work
• Training and certification sponsorships.
• Access to advanced security projects.

• Perform Vulnerability assessment & Policy Compliance using leading Vulnerability Scanning solutions like Qualys etc.
• Perform Vulnerability assessments & Policy Compliance on On-prem, Cloud hosted systems, container (like Docker & Kubernetes), databases, web services and other widely deployed infrastructure components.
• Perform false positive validation and ensure delivery of quality reports.
• Act as a technical SME to analyze the vulnerability results & detection logic.
• Provide technical advice and support on remediation to infrastructure / application support teams.
• Review findings and identify root causes for common issues and provide recommendations for sustainable improvements.
• Responsible to maintain vulnerability quality assurance by building VM team technical knowledge base.
• Research and report on security vulnerabilities and latest advancements in the vulnerability management lifecycle.
• Understand security policies, procedures and guidelines to all levels of management and staff.
• Communicate effectively orally and in writing and establish cooperative working relationships.
• Provide suggestion to improve vulnerability Management service based on current trends in information technology (Network, system security software and hardware).
• Act as line manager in the absence of team lead.
  

Requirement:

• Minimum 6 years of experience in Information security and preferably in Banking and Financial services sector
• In-depth working experience on Cloud technologies, routers, switches, firewalls, load balancers and proxy will be added advantage for the role.
• Bachelor Degree in Engineering, Computer Science/Information Technology or its equivalent.
• Industry certifications will be a plus e.g. CISSP, CCNA Security, CCIE, CCNP Security, CISA, CRISC and CISM.
• Strong knowledge and subject matter expertise in multiple areas within Information Security.
• Hands on skill and expertise in performing risk / threat assessments/risk consulting.
• Excellent written, oral communication and reporting skills.
• Provides technical leadership, expertise and direction working with district and college technical staff for design and implementation of information technology security systems.
• Develops strategy for propagating, maintaining, and measuring compliance against security policies, standards, and guidelines district-wide.
• Time management and organizational skills
• Ability and desire to learn new skills quickly
• Performs other related duties as assigned.