With more than 100 years of alumina expertise, Almatis is the world’s leader in the development, manufacture and supply of premium alumina and alumina-based products. Almatis is both a global and fully integrated producer, serving our customers from fourteen strategically located sales, research and manufacturing sites. Our employees strive to exceed customers’ expectations through industry leading customer service, technical support and manufacturing excellence.

We implement leading technologies and continuous improvement programs, which have established Almatis products as the benchmark for quality and consistency. For our Operations team in Kolkata, we are looking for an enthusiastic and driven IT Infrastructure Engineer-Networks About job: Developing roadmaps for network technologies (switches, firewalls, access points, VPNs) through research, testing, and collaboration with IT management and business partners

Maintaining, administering, and monitoring the global network environment and providing deep technical support for daily operations, incidents, and problem resolution

Documenting global network architecture, hardware, software, and missing knowledge in asset inventory and knowledge base systems

Supporting additional infrastructure areas, including on‑premises and cloud server environments

Designing and implementing functional LAN, WAN, and WLAN infrastructure

Configuring and installing network devices, software, routers, switches, and performing regular patching





Monitoring network performance and integrity while resolving escalated issues from IT support tiers

Mentoring Infrastructure Services colleagues and sharing knowledge to address recurring network issues

Automating operational tasks and evaluating their effectiveness

Creating, testing, and overseeing security measures, including access authentication and disaster recovery improvements

Updating asset inventory and documenting technical changes in knowledge systems

Evaluating emerging threats and implementing security controls to reduce risks and support continuous improvement

Leading and executing global network refresh and modernization projects

Managing incidents, problems, and changes related to network infrastructure and providing root‑cause analysis for major issues About you: Bachelor’s degree in Computer Science, Engineering, Mathematics, or equivalent experience

CCNP Enterprise certification required;

experience with ENCOR, ENARSI, and SD‑WAN

CCIE Enterprise preferred

5+ years of experience managing global network environments

Strong hands‑on experience with tools such as SolarWinds, Wireshark, NMAP, TCPDump, Syslog

Experience with Cisco, Meraki, Barracuda, and Riverbed technologies

Solid understanding of TCP/IP, BGP, and OSPF

Scripting knowledge in Perl and Python for automation

Solid organizational, problem‑solving and customer‑focused mindset

📌 IT Infrastructure Engineer (Kolkata)
🏢 Almatis
📍 Kolkata