Network & Security Engineer OT & IT Infrastructure

Cloudxtreme; Kolkata District, Hyderabad, Bengaluru; Hybrid; INR 1,200,000 - 2,400,000; Full time

Job summary

Cloudxtreme is seeking an experienced network security professional to manage, configure, and harden firewalls, ensure high‑availability of network infrastructure, and administer AD, VMware, and Hyper‑V. The role includes vulnerability management, endpoint protection, and OT security awareness in a fast‑paced environment.

You will work with SIEM/EDR solutions, Tenable Nessus, and NMS tools while coordinating audits and incident response.

Qualifications

• 58 years of hands‑on experience in networking and cybersecurity.
• Strong knowledge of firewalls and network security technologies.
• Proficient in system administration (AD, VMware, Hyper‑V).
• Experience with endpoint protection and vulnerability management tools.
• Exposure to OT environments, IDS (Nozomi), and SIEM/EDR tools.
• Based in or willing to relocate to Mumbai.

Responsibilities

• Manage, configure, and troubleshoot firewalls (Cisco, Nexus, Fortigate, Palo Alto, Belden Hirschmann).
• Maintain and secure network infrastructure, ensuring high availability and compliance.
• Administer systems like Active Directory, VMware, Hyper‑V, and Windows Servers.
• Perform security hardening and patch management for systems and network devices.
• Deploy and manage endpoint protection tools such as Trellix/McAfee and vulnerability scanners like Tenable Nessus.
• Monitor and analyze network performance using NMS tools (e.g., WhatsUp Gold).
• Work with OT security tools such as Nozomi and have awareness of OT environments.
• Collaborate on SIEM/EDR integration and incident response.
• Participate in audits, documentation, and adherence to security best practices.
• Willing to travel based on project requirements.

Skills

Firewalls

Network security

AD administration

VMware/Hyper-V

Troubleshooting

Education

CCNA

CCNP

CISSP

CEH

Microsoft Certifications

Tools

WhatsUp Gold

Nozomi

SIEM/EDR tools

Trellix/McAfee

Tenable Nessus

Job description

Role & Responsibilities:

• Manage, configure, and troubleshoot firewalls (Cisco, Nexus, Fortigate, Palo Alto, Belden Hirschmann).
• Maintain and secure network infrastructure, ensuring high availability and compliance.
• Administer systems like Active Directory, VMware, Hyper‑V, and Windows Servers.
• Perform security hardening and patch management for systems and network devices.
• Deploy and manage endpoint protection tools such as Trellix/McAfee and vulnerability scanners like Tenable Nessus.
• Monitor and analyze network performance using NMS tools (e.g., WhatsUp Gold).
• Work with OT security tools such as Nozomi and have awareness of OT environments.
• Collaborate on SIEM/EDR integration and incident response.
• Participate in audits, documentation, and adherence to security best practices.
• Willing to travel based on project requirements.

Preferred Candidate Profile:

• 58 years of hands‑on experience in networking and cybersecurity (strong profiles with less experience may be considered).
• Strong knowledge of firewalls and network security technologies.
• Proficient in system administration (AD, VMware, Hyper‑V).
• Certified in CCNA, CCNP, CISSP, CEH, or Microsoft certifications.
• Experience with endpoint protection and vulnerability management tools.
• Exposure to OT environments, IDS (e.g., Nozomi), and SIEM/EDR tools.
• Strong analytical, troubleshooting, and documentation skills.
• Based in or willing to relocate to Mumbai.