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Network Support Specialist (L3)

Bangalore
Mumbai
Bhubaneswar
Full-Time
Mid-Level: 4 to 6 years
Posted on Aug 30 2025

About the Job

Skills

Network Support Specialist (L3)
zero trust network access
identity management LDAP Active Directory ADFS
Endpoint Detection Repsonse
IDS IPS WAF SIEM DDoSc Mitigation
Containerization technologies CISSP CCNP RHCE comptiaTIA Security
Linux server administration Linux network administration
scripting languages

Greetings from Netsach - A Cyber Security Company.


Currently we are looking for Network Support Specialist (L3) with 3+ yrs of relevant experience in network troubleshooting, with a strong track record of solving customer problems in enterprise environments. In-depth knowledge of endpoint technologies, including EDR (Endpoint Detection and Response), ZTNA (Zero Trust Network Access), Identity Management, LDAP, Active Directory (AD), ADFS, Azure AD, and similar systems.



Job Title: Network Support Specialist (L3)

Exp: 3 to 5yrs

Job Location: Bangalore/Mumbai/Bhubanewar

Work Type: Full-Time


Interested candidates please share your resume at emily@netsach.co.in and please register at netsachglobal.com and send us your resume.



Job Summary

We are seeking talented Network Troubleshooting Specialists to join our technical support team. In this role, you will be responsible for identifying, diagnosing, and resolving complex network issues, leveraging your expertise in scripting, tools, and security technologies. The ideal candidate thrives in a fast-paced environment, excels at debugging distributed systems, and is passionate about delivering exceptional customer solutions.

Key Responsibilities

  • Identify, troubleshoot, and debug network-related problems in real-time, ensuring minimal downtime for customers.
  • Write custom scripts and automate processes to streamline troubleshooting and resolution workflows.
  • Utilize advanced network troubleshooting tools, including command-line utilities like ping, traceroute, ipconfig/ifconfig, nslookup, and netstat to test connectivity and display network information; packet analyzers like Wireshark for in-depth traffic analysis; network scanners like Nmap to discover devices; and hardware tools such as cable testers to identify physical problems.
  • Collaborate with customers to understand their environments, reproduce issues, and provide effective solutions.
  • Handle complex configurations in distributed networks, including multi-site deployments and hybrid cloud setups.
  • Provide expert guidance on endpoint security and network infrastructure, integrating with various technologies to resolve incidents.
  • Document troubleshooting steps, resolutions, and best practices for knowledge sharing within the team.



Required Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience).
  • Proven experience with a minimum of 3 to 5 years of relevant experience in network troubleshooting, with a strong track record of solving customer problems in enterprise environments.
  • In-depth knowledge of endpoint technologies, including EDR (Endpoint Detection and Response), ZTNA (Zero Trust Network Access), Identity Management, LDAP, Active Directory (AD), ADFS, Azure AD, and similar systems.
  • Expertise in network security appliances and tools, such as firewalls, IDS/IPS (Intrusion Detection/Prevention Systems), data center networking gear, inline and online devices, DDoS mitigation, WAF (Web Application Firewall), SIEM (Security Information and Event Management), proxies, and related technologies.
  • Hands-on experience managing complex configurations in large-scale, distributed networks.
  • High-level expertise in Linux server administration and Linux network administration, including configuration, optimization, and security hardening.
  • Proficiency in scripting languages (e.g., Python, Bash) for automation and diagnostics.
  • Strong problem-solving skills, with the ability to work independently or in a team under pressure.
  • Excellent communication skills for interacting with customers and internal stakeholders.

Preferred Skills

  • Certifications such as CCNP, CISSP, CompTIA Security+, or Linux-specific credentials (e.g., RHCE).
  • Familiarity with cloud platforms (e.g., AWS, Azure) and containerization technologies (e.g., Docker, Kubernetes).
  • Experience in incident response or managed security services.

What We Offer

  • Competitive salary and benefits package including comprehensive Medical insurance.
  • Opportunities for professional growth and certification support.
  • A collaborative, innovative work environment with flexible remote options.
  • The chance to work on cutting-edge technologies and impact global clients.

Thank You

Emily Jha

emily@netsach.co.in

Netsach - A Cyber Security Company

www.netsachglobal.com


About the company

Netsach - A CyberSecurity Company. Netsach, which means to soar greater heights is indeed scaling new heights under the efficient hegemony of Founder & CEO , Mr John Prakash Jha, and Mrs Emily Jha, Co Founder & COO. We have the expertise in providing Security Audit services related to Infrastructure and Application/Web/Cloud/IoT Security and currently working with CoE Cyber security ...Show More

Company Size

11-50 Employees

Headquarter

India

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