Network Engineer
Confirmed on the employer's own hiring board on Oct 9, 2026. First seen by Alion on May 4, 2026.
We're looking for a Network Engineer to join our rapidly growing office in Mumbai. You'll be responsible for the design and management of both our enterprise and trading networks, optimising our systems for reliability, scalability and performance characteristics, like latency, to help us remain competitive in the market.
Optiver’s bespoke infrastructure offers a diverse network engineering experience. Advance your career in a unique environment, where you'll be supported to find the simplest solutions to some of the most complex problems in the financial markets.
WHO WE ARE
Optiver is a global market maker founded in Amsterdam, with offices in London, Chicago, Austin, New York, Sydney, Shanghai, Hong Kong, Singapore, Taipei and Mumbai. Established in 1986, today we are a leading liquidity provider, with close to 2,000 employees in offices around the world, united in our commitment to improve the market through competitive pricing, execution and risk management. By providing liquidity on multiple exchanges across the world in various financial instruments we participate in the safeguarding of healthy and efficient markets. We provide liquidity to financial markets using our own capital, at our own risk, trading a wide range of products: listed derivatives, cash equities, ETFs, bonds and foreign currencies.
In Asia Pacific, Optiver was one of the first global market makers to establish a presence in the region, with the incorporation our Sydney office in 1996. Since then, we have expanded our footprint by establishing offices in Taipei (2005), Hong Kong (2007), Shanghai (2012) and Singapore (2021). The business in Mumbai is newly established and deemed to be an integral part of the APAC strategy, with an anticipation of significant growth over the coming years.
WHAT YOU'LL DO
Your responsibilities will include, but are not limited to:
Providing technical expertise to support a high-frequency trading environment
Monitoring, troubleshooting, and resolving incidents across network, security, and systems infrastructure
Automating and monitoring network infrastructure to improve reliability and reduce manual operational work
Supporting end-to-end infrastructure deployments across data centres, offices, and global WAN environments
Assisting with planned upgrades and maintenance including migrations, capacity expansions, and hardware or software upgrades
Ensuring the stability and performance of WAN connectivity between data centres and colocations
Contributing to capacity planning, connectivity improvements, and traffic flow optimisation
Driving improvements in infrastructure reliability and performance, including evaluating new technologies for use in the trading platform
Contributing to the standardisation and automation of our environments through Infrastructure as Code
Collaborating with developers, researchers, and hardware engineers to provide a stable and scalable platform for trading systems
WHAT YOU'LL GET
You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Driven by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle some of the most complex problems in the financial markets.
In return for your expertise, you will have access to a range of Optiver perks, including:
A performance-based bonus structure unmatched anywhere in the industry. We combine our profits across desks, teams and offices into a global profit pool, fostering a truly collaborative environment.
The chance to work alongside diverse and intelligent peers in a rewarding environment.
Continuous learning, development and upskilling opportunities.
Daily breakfast, lunch, and an in-house barista.
Gym/Club membership, plus weekly massages.
Corporate health insurance
Uber business for daily commute
Regular social events, including a company trip every two years.
WHO YOU ARE
3+ years of experience working as a network engineer in an operational environment
Strong troubleshooting skills across LAN, WAN, and firewall infrastructure
Experience monitoring and operating international WAN networks
Solid understanding of network transport and routing protocols such as TCP/UDP, OSPF, BGP, and Multicast
Experience working in multi-vendor network environments (e.g. Cisco, Arista, Palo Alto)
Strong knowledge of L2/L3 networking, firewalls, and network security
Experience using monitoring and telemetry systems to analyse network performance and capacity
Comfortable working with Unix/Linux systems in data centre environments
Experience managing infrastructure using Infrastructure as Code approaches and tools such as Git, Terraform, or Ansible
Ability to coordinate work with vendors, service providers, and remote smart hands
Certifications such as Arista ACE, PCNSE, CCNP, or CCIEare a plus
DIVERSITY AND INCLUSION
Optiver is committed to diversity and inclusion.
We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities. Please let us know if you would like to request any reasonable adjustments by contacting the Recruitment team via [email protected].