About The Company Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a Current World of Communications - Technical Support Engineer (Linux / Windows / GitLab / Networking) Job Title Technical Support Engineer Experience 1-3 Years Job Summary We are looking for a proactive and technically skilled Technical Support Engineer with 2-3 years of experience in Linux, Windows Server administration, GitLab, and networking. The ideal candidate should possess strong troubleshooting skills and be capable of supporting server infrastructure, network devices, and DevOps tools while ensuring high system availability.

Key Responsibilities Provide L2 technical support for Linux and Windows servers. Install, configure, and troubleshoot Linux (Ubuntu/RHEL/CentOS) and Windows Server environments. Monitor server health, system performance, and resource utilization. Troubleshoot application, OS, and infrastructure-related issues. Manage user accounts, permissions, and system services.

Support

GitLab administration, repository management, user access, branching, and merge requests. Assist development teams with Git workflows and CI/CD pipeline troubleshooting. Configure and troubleshoot networking issues including routing, switching, VLANs, DNS, DHCP, NAT, and load balancing.

Support firewall administration, including policy creation, NAT, ACLs, and security rule implementation. Diagnose connectivity issues using tools such as ping,



traceroute, tcpdump, netstat, and Wireshark. Coordinate with application, database, network, and security teams for incident resolution.

Perform system patching, upgrades, and preventive maintenance. Maintain technical documentation, SOPs, and incident reports. Participate in on-call support and production issue handling when required.

Required Skills Operating Systems Linux (Ubuntu, RHEL, CentOS) Windows Server Administration Version Control Git GitLab Administration Repository Management Branching & Merging GitLab CI/CD (basic knowledge) Networking TCP/IP Routing & Switching VLANs DNS DHCP NAT VPN Load Balancing Firewall Administration Troubleshooting Tools SSH PuTTY WinSCP tcpdump netstat traceroute ping Wireshark Scripting (Preferred) Bash Shell Scripting PowerShell (basic) Monitoring (Preferred) Zabbix Grafana Prometheus Preferred Qualifications Bachelor's degree in Computer Science, Information Technology, or related field. Knowledge of virtualization technologies such as VMware, Hyper-V, or OpenStack is an advantage. Basic understanding of cloud platforms (AWS, Azure, or GCP) is desirable.

Experience with HAProxy, Nginx, Apache, or Keepalived is a plus.

Soft Skills

Strong analytical and troubleshooting skills. Excellent communication skills. Ability to work independently and within a team. Good documentation skills. Ability to handle multiple incidents in a fast-paced environment. Willingness to learn new technologies.

Preferred

Certifications (Optional) RHCSA Microsoft Certified: Windows Server CCNA LPIC GitLab Certified Associate (preferred)

📌 Engineer - Global Network Services (Mumbai)
🏢 Tata Communications
📍 Mumbai