Senior Network Engineer

Let’s be #BrilliantTogether

ISS STOXX is growing! We are looking for a Senior Network Engineerto join ourteam in Mumbai, India.

Overview :

The Senior Network Engineer will help lead the development and implementation of a comprehensive network and telecommunications services strategy for the firm. Will provide energetic, creative and imaginative leadership of the network engineering services program.

Evaluate, design, and maintain comprehensive, integrated, reliable, high-quality network services for the firm in areas such as backbone and local area networking, network facilities and infrastructure, Internet access for all regional offices, high-performance networking, network security, remote access for internal users, and telecommunications.

Work with complex network and storage environments including SAN, clustering, load balancing, multi-site VPNs, IPS, and firewalls.

Analyze network characteristics (e.g., latency, transmission speeds, packet loss and throughput), triage and troubleshoot problems.

Monitor network performance and provide security measures, troubleshooting, and maintenance, as needed.

Acquire, maintain, and report on data related to network performance management, capacity planning and utilization trend analysis.

Collaborate with other functional IT areas to ensure that IT best practices, policies, and procedures are adhered to. Provide technical support for staff issues.

Perform special projects and other duties as assigned.

Responsibilities :

7+ years of designing and implementing a highly reliable, global, and comprehensive network architecture.

Experience in setup, configuration, and maintenance of networking infrastructure, including switches, routers, firewalls, VPN technologies, SD-WAN, and other WAN administration.

Strong knowledge of IP Network Management and protocols : IPv4 and IPv6, BGP, OSPF, MPLS, L2 / L3 VPN, QoS and Security.

Manage and optimize Zscaler ZIA / ZPA, Fortinet SD-WAN, and FortiNAC environments.

Experience in Software Defined Networking SD-WAN, SDN Automation.

Hands-on experience setting up networks and all related supporting infrastructure (routers, firewalls, switches, load balancers, wireless etc)

Deep understanding of network technologies and provisioning

Experience with 3rd party monitoring tools and analyzers.

Collaborate with Application Management, cloud, and application teams on cross-functional projects.

Develop and maintain network documentation, standards, and automation scripts.

Knowledge of TCP / UDP protocols / services is required, including deep analysis of network packet captures using Wireshark and TCPdump.

Experience in troubleshooting and performance management of Datacenter Infrastructure Network.

Dive deep into the high severity incidents, recommend preventive solutions and participate in root cause analysis.

Knowledge of AWS / GCP is a plus.

Certifications in Cisco and other networking technologies are a plus

Bachelor’s degree or equivalent experience

Ability to prioritize and work well under pressure

Excellent communication skills, both in technical and non-technical terms

Ability and willingness for on-call and after-hours work

Qualifications :

Bachelor’s or Master’s degree in Computer Science, IT, or related field.

Expert-level knowledge of :

Fortinet SD-WAN and FortiNAC

Cisco switching (Layer 2 / 3)

Zscaler ZIA / ZPA

Strong understanding of Zero Trust, segmentation, and secure access.

Experience with automation (Python, Ansible) and monitoring tools.

Relevant certifications (e.g., NSE 7, CCNP / CCIE, Zscaler Certified Architect) preferred.

#ASSOCIATE

#ITINFRASTRUCTURE

#LI-RG1

What You Can Expect from Us

At ISS STOXX, our people are our driving force. We are committed to building a culture that values diverse skills, perspectives, and experiences. We hire the best talent in our industry and empower them with the resources, support, and opportunities to grow—professionally and personally.

Together, we foster an environment that fuels creativity, drives innovation, and shapes our future success.

Let’s empower, collaborate, and inspire.

Let’s be #BrilliantTogether.

About ISS STOXX

ISS STOXX GmbH is a leading provider of research and technology solutions for the financial market. Established in 1985, we offer top-notch benchmark and custom indices globally, helping clients identify investment opportunities and manage portfolio risks. Our services cover corporate governance, sustainability, cyber risk, and fund intelligence. Majority-owned by Deutsche Börse Group, ISS STOXX has over 3,400 professionals in 33 locations worldwide, serving around 6,400 clients, including institutional investors and companies focused on ESG, cyber, and governance risk. Clients trust our expertise to make informed decisions for their stakeholders' benefit.

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Institutional Shareholder Services (“ISS”) is committed to fostering, cultivating, and preserving a culture of diversity and inclusion. It is our policy to prohibit discrimination or harassment against any applicant or employee on the basis of race, color, ethnicity, creed, religion, sex, age, height, weight, citizenship status, national origin, social origin, sexual orientation, gender identity or gender expression, pregnancy status, marital status, familial status, mental or physical disability, veteran status, military service or status, genetic information, or any other characteristic protected by law (referred to as “protected status”). All activities including, but not limited to, recruiting and hiring, recruitment advertising, promotions, performance appraisals, training, job assignments, compensation, demotions, transfers, terminations (including layoffs), benefits, and other terms, conditions, and privileges of employment, are and will be administered on a non-discriminatory basis, consistent with all applicable federal, state, and local requirements.