Senior Network Security Engineer

About Us:

Birlasoft, a global leader at the forefront of Cloud, AI, and Digital technologies, seamlessly blends domain expertise with enterprise solutions. The company’s consultative and design-thinking approach empowers societies worldwide, enhancing the efficiency and productivity of businesses. As part of the multibillion-dollar diversified CKA Birla Group, Birlasoft with its 12,000+ professionals, is committed to continuing the Group’s 170-year heritage of building sustainable communities.

Location -Mumbai ,Pune ,Bangalore, Hyderabad , Noida

Exp -8 yrs to 10 yrs

About the Role:

We are seeking a skilled Network Security Engineer to design, implement, and maintain secure network infrastructures. The ideal candidate will possess strong expertise in network protocols, firewall and IDS/IPS configuration, VPN solutions, and security compliance standards. You will be instrumental in enhancing our network security posture through threat detection, risk assessment, and zero trust architecture implementation.

Key Responsibilities:

• Design, configure, and manage network security devices including firewalls (Palo Alto, Fortinet, Cisco ASA) and intrusion detection/prevention systems (Snort, Suricata).
• Implement and manage Network Access Control (NAC) systems utilizing 802.1X, RADIUS, and Cisco ISE for role-based access control.
• Configure and maintain secure VPN solutions including IPsec, SSL VPNs, and site-to-site tunnels.
• Conduct SIEM and log analysis using tools such as Splunk, QRadar, and ELK Stack to detect and respond to security threats.
• Design and enforce network segmentation and apply Zero Trust security principles.
• Ensure compliance with security standards such as ISO 27001, NIST, PCI-DSS, GDPR, and HIPAA.
• Perform threat modeling, vulnerability assessments, and risk analysis to mitigate security risks.
• Collaborate with cross-functional teams to develop and enforce security policies and procedures.

Core Technical Competencies:

• Deep understanding of network protocols including TCP/IP, UDP, ICMP, DNS, HTTP/S, FTP.
• Hands-on experience with firewall and IDS/IPS tools such as Palo Alto, Fortinet, Cisco ASA, Snort, and Suricata.
• Familiarity with Network Access Control frameworks (802.1X, RADIUS), especially Cisco ISE.
• Expertise in VPN technologies like IPsec and SSL VPNs.
• Proficiency in SIEM platforms and log correlation for threat detection and incident response.
• Knowledge of network segmentation strategies and Zero Trust architecture.
• Strong understanding of compliance requirements (ISO 27001, NIST, PCI-DSS, GDPR, HIPAA).
• Ability to conduct threat modeling and risk assessments.

Required Certifications:

• CISSP (Certified Information Systems Security Professional)
• CISM (Certified Information Security Manager)
• CEH (Certified Ethical Hacker)
• CompTIA Security+
• CCNP Security (Cisco Certified Network Professional Security)
• Palo Alto PCNSA/PCNSE

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field (or equivalent experience).
• Proven experience in network security engineering or a similar role.

Why Join Us?

• Work with cutting-edge security technologies.
• Collaborate with a passionate and dynamic security team.
• Opportunities for professional growth and certification support.