Information Technology Infrastructure Consultant

7 days ago

Kolkata, West Bengal, India TRPGLOBAL Full time US$ 90,000 - US$ 1,20,000 per year

Job Title:
IT Infrastructure Consultant (On-Premises Infrastructure)

Location:
Kolkata, West Bengal, India

Job Type:
Full-time

Experience:
5+ years

Start Date:
Immediate Joiners Preferred

Objective:

To ensure the
high availability, security, and performance
of the on-premises IT infrastructure, which includes
firewalls, network switches, servers, hypervisors, and virtual machines
.

Scope of Work:

The selected candidate will be responsible for
managing, maintaining, and supporting
the following systems:

1. Hardware & Network Infrastructure
Fortinet Firewall

  • Configure firewall rules, manage firmware updates.
  • Configure and maintain VPN and secure remote access.
  • Monitor traffic and respond to intrusion detection alerts.

Cisco CBS 350 Switch

  • Configure VLANs, ports, and link aggregation.
  • Perform firmware updates and monitor physical port health.

HP DL380 Server

  • Monitor physical hardware (RAID status, power, ILO access).
  • Perform firmware and BIOS updates.
  • Conduct preventive checks to avoid hardware failures.

2. Virtualization & Compute
VMware ESXi & vSphere

  • Patch ESXi hosts and manage licenses.
  • Monitor clusters and datastores.
  • Optimize resource allocation and performance.

Windows & Linux VMs

  • Perform OS-level patching and updates.
  • Monitor system health, logs, and performance.
  • Manage user access and implement secure remote login.

3. Additional Responsibilities
Root Cause Analysis (RCA)

  • Conduct detailed RCA for any infrastructure-related issues.
  • Submit RCA reports within 48 hours post-resolution.
  • Maintain issue logs with symptoms, root cause, short-term fixes, and long-term solutions.

Disaster Recovery (DR)

  • Implement, maintain, and test DR procedures for firewalls, ESXi hosts, and critical VMs.
  • Ensure onsite and offsite backups are performed and monitored regularly.
  • Conduct quarterly DR simulations and submit detailed reports.
  • Restore systems and data within defined RTO and RPO metrics.

4. Deliverables

  • Weekly Reports
    : System health, firewall logs, VM performance, patch status.
  • Monthly Reports
    : RCA summaries and issue logs (if applicable).
  • Quarterly Reports
    : DR simulation results and updated recovery procedures.
  • Backup Reports
    : Weekly backup status and configuration snapshots.

5. Working Hours & Availability

  • Critical Issue Support
    : On-call support for Priority-1 issues (24/7 if required)
  • Remote Access
    : Provided through secure VPN or bastion host.

6. Tools & Access

  • Access to ILO, vSphere, firewall, and network switch consoles.
  • Secure credential handling and access logging will be enforced for traceability.

7. Key Performance Indicators (KPIs)

  • 99%+ system uptime.
  • Response to critical incidents within 1 hour.
  • RCA reports delivered within 48 hours post-resolution.
  • 100% success in quarterly DR test simulations.
  • Weekly backup integrity checks with 100% pass rate.

Confidentiality & Compliance

  • NDA to be signed prior to project initiation.
  • Strict adherence to industry best practices for password and configuration management.
  • Sensitive data to be handled with the highest level of confidentiality.

Qualifications & Skills Required

  • Proven experience with
    Fortinet firewalls, Cisco switches, HP DL380 servers, VMware ESXi, and vSphere
    .
  • Strong knowledge of
    Windows and Linux server environments
    .
  • Experience in
    disaster recovery planning and testing
    .
  • Analytical and problem-solving skills for
    root cause analysis
    .
  • Familiarity with
    ITIL or other incident management processes
    is a plus.
  • Excellent communication and documentation skills.

If you are passionate about ensuring IT infrastructure is resilient, secure, and highly available — and you meet the above qualifications — we encourage you to apply.

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