Infrastructure & Network Security Specialist

1 day ago

Kolkata, India BYLD Group Full time

Description : Position Overview :We are seeking an experienced Infrastructure and Network Security Specialist to design, implement, and maintain robust security measures across our IT infrastructure and network environments. The ideal candidateshould possess deep technical knowledge of network protocols, firewalls, endpoint protection, vulnerabilitymanagement, and cloud/network architecture security.This role will be responsible for safeguarding organizational assets, ensuring network resilience, and protectingdata integrity across hybrid environments. The successful candidate will work closely with the IT infrastructure,DevOps, and application security teams to strengthen our overall cybersecurity framework and ensurecompliance with internal and external security standards.You will be responsible for identifying, mitigating, and preventing security risks across our cloud and applications while collaborating closely with development and infrastructure teams. The successful candidate will be responsible for implementing robust security practices throughout the application development lifecycle, conducting vulnerability assessments, and performing penetration testing to safeguard our applications built on diverse technological stacks, including .NET, ASP.NET, IIS, Windows OS etc.Key Responsibilities : Network and Infrastructure Security Governance : - Establish and enforce security standards, configurations, and policies for routers, switches, firewalls, VPNs, servers, and endpoints.Vulnerability and Patch Management : - Conduct regular vulnerability assessments and penetration tests on network and infrastructure components. - Ensure timely patching and remediation of identified and Perimeter Defense : - Deploy, configure, and maintain next-generation firewalls (NGFW), intrusion detection/prevention systems (IDS/IPS), and network access controls to protect against external and internal threats.Cloud and Hybrid Security : - Implement and manage security controls for cloud environments (AWS, Azure, GCP), including virtual networks,security groups, key management, and identity protection.Incident Response and Threat Management : - Monitor, detect, and respond to infrastructure-level security incidents. Conduct root-cause analysis and work with relevant teams to prevent recurrence.Access and Identity Management : - Manage and audit user access privileges, network authentication mechanisms, and directory services suchas Active Directory (AD), LDAP, and Azure AD.Security Monitoring and Reporting : - Leverage SIEM tools to correlate security events, generate actionable alerts, and produce reports for compliance and audit purposes.Technical Collaboration : - Collaborate with IT, DevOps, and Security Operations teams to design secure network architectures and (ref:hirist.tech)

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