Senior Network Engineer
Summary
Designs, secures, and maintains hybrid cloud and on-prem network infrastructure in AWS and global offices, focusing on Fortinet security, Zero Trust, and high availability.
Job Title: Senior Network Engineer Location: Navi Mumbai (Hybrid/Remote) Department: IT Services (ITS) Reporting Manager: Sr Manager, IT Ops.
About Us:
Founded in 1995, Zema Global Data Corporation empowers organisations to simplify complexity, reduce risk, and make faster, more confident decisions that drive measurable results. Over the past two years, Zema Global has accelerated its growth through strategic investment and acquisition to strengthen our global leadership. Together we’re helping our customers gain a Decisioning Advantage – one bold idea at a time. With a presence across global energy, commodity, and financial markets, Zema Global empowers customers to simplify complexity, reduce risk, and make faster, more confident decisions that drive measurable results.
At Zema Global, we Think Big, Make It Happen, and Win as One. We thrive on collaboration, creativity, and respect, united by a shared drive to innovate and deliver meaningful impact for our customers and communities. If you’re inspired by solving complex challenges and contributing to a culture that values purpose and performance, we invite you to join us.
Role Overview
Seeking an experienced Senior Network Engineer to serve as the backbone of our IT Service department to design, implement, and manage secure, scalable, and highly available network infrastructure across AWS and on-prem environments. The role focuses on cloud networking, security, and operational excellence to support global business operations.
Key Responsibilities
1.
Cloud & Network Architecture
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Design and manage AWS networking (VPCs, subnets, routing, Transit Gateway, load balancers)
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Implement high availability using multi-AZ and multi-region architectures
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Build and manage hybrid connectivity (VPN, Direct Connect)
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Optimize network performance, cost, and segmentation (Zero Trust)
2.
Network Security
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Deploy and manage Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer, FortiWeb)
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Implement network security controls (IPS, SSL inspection, web filtering)
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Support monitoring, incident response, and compliance (NIST, CIS)
3.
Switching, Routing & Wireless
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Manage LAN/WAN infrastructure using BGP, OSPF, VLANs, STP, LACP
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Design and support enterprise wireless networks (WPA3, 802.1X, NAC)
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Ensure secure and standardized connectivity across offices
4.
Operations & Improvement
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Monitor networks using CloudWatch, VPC Flow Logs, FortiAnalyzer
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Manage incidents, capacity planning, and performance tuning
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Drive automation using Terraform, Ansible, Python
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Maintain documentation and follow change management processes
Required Skills
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Strong experience in AWS networking and cloud architecture
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Hands-on expertise with Fortinet security platforms
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Knowledge of Zero Trust and network security principles
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Experience with routing protocols (BGP, OSPF)
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Strong problem-solving and communication skills
Preferred Qualifications
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AWS Certification (Advanced Networking preferred)
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Fortinet NSE Certification
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Experience with Infrastructure-as-Code and automation tools
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Exposure to global or multi-region environments
What Success Looks Like
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Secure, scalable, and highly available network infrastructure
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Reduced security risks through strong segmentation
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High uptime with efficient incident management
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Continuous improvement in performance and cost optimization