Senior Administrator - IT & Network

5 years

0 Lacs

Posted:1 week ago| Platform: Linkedin logo

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Work Mode

On-site

Job Type

Full Time

Job Description

Job Summary:

Sr. Administrator - IT & Network


Key Responsibilities:

Infrastructure & Systems Management:

  • Administer and maintain servers, storage systems, and network devices.
  • Monitor system performance and ensure high availability and reliability.
  • Manage cloud services (e.g., Azure, AWS) and virtualization platforms (VMware, Hyper-V).

Firewall & Network Security:

  • Configure, monitor, and maintain firewalls (e.g., Fortinet, Palo Alto, Cisco ASA).
  • Implement and enforce network security policies and access controls.
  • Conduct regular vulnerability assessments and penetration testing.
  • Respond to and mitigate security incidents and breaches.

Technical Support & Troubleshooting:

  • Provide Tier 3 support for escalated IT issues.
  • Troubleshoot hardware, software, and network problems.
  • Support user onboarding/offboarding and access provisioning.

Documentation & Compliance:

  • Maintain detailed documentation of network configurations, firewall rules, and IT procedures.
  • Ensure compliance with industry standards (ISO, NIST, GDPR).
  • Assist in audits and prepare reports on system health and security.

Project & Vendor Management:

  • Lead IT infrastructure upgrade projects.
  • Evaluate and manage relationships with hardware/software vendors.
  • Recommend new technologies to improve efficiency and security.


Qualifications & Skills:

  • Bachelor’s degree in Computer Science, IT, or related field.
  • 5+ years of experience in IT administration, with a focus on network and security.
  • Certifications preferred: CCNA/CCNP, Fortinet NSE, CompTIA Security+, MCSE.
  • Strong knowledge of Windows/Linux Systems, Active Directory, and Cloud Platforms.
  • Expertise in firewall management and network security protocols.
  • Firewall configuration and troubleshooting
  • Network design and VLAN management
  • Scripting (PowerShell, Bash)
  • Backup and disaster recovery planning
  • Strong analytical and problem-solving skills
  • Excellent communication and documentation skills

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