Network Operations Engineer - Contract
Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Jun 22, 2026. Optiver scores C on the Alion truth index.
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.
Optiver’s Sydney office is one of the primary players within Asian markets, trading a range of products. Established in 1996, we're an active participant on the Hong Kong, Korea, Singapore, Taiwan and Japan exchanges, and act as Optiver’s APAChead office.
WHAT YOU'LLDO
The Network Operations Engineers are responsible for the network, security infrastructure that underpins Optiver’s trading and business operations across the Asia Pacific region. This includes office networks, data centre environments, and a complex international WAN. We are providing a reliable, fast and well supported network and Unix platform to run our core business on, this requires a good understanding of not only the technical network problem but also the broader business problem being solved. This team is successful when they are collaborating and solving complex problems with simple solutions and are constantly making optimizations in reliability, capacity, scalability and latency. Your responsibilities will include:
Support end-to-end infrastructure deployments in Asia Pacific data centers including but not limited to network and security platforms
Drive research, innovation, and implementation of infrastructure capacity and reliability optimizations in our Infrastructure environment
- Build, manage and support our complex international LAN/WAN & security environment using modern tooling in an IaC (Infrastructure as Code) environment
Collaborate with developers, researchers and our hardware engineers on projects that require a stable and scalable platform to operate on
- Monitor the health and performance of network and infrastructure systems, investigating alerts and proactively identifying operational issues
- Participate in incident response, working with internal teams and vendors to diagnose and resolve service impacting problems.
WHO YOU ARE
- 3- 8 years of experience working as a network engineer in an operational environment
- Experience in managing network systems using Infrastructure as code (IaC) methodology
Experience working in a multi zone, multi tier firewall architecture across APAC
Solid understanding of network transport and routing protocols such as TCP/UDP, OSPF, BGP, and Multicast
Experience designing, implementing and supporting DCenvironments.
Experience in monitoring and managing diverse international WAN networks.
- Strong knowledge of L2/L3 networking, firewalls, and network security.
- Experience managing infrastructure using Infrastructure as Code approaches and tools such as Git, Terraform, or Ansible.
- Certifications such as Arista ACE, PCNSE, CCNP, or CCIEare a plus
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 be offered a competitive salary package as well as access to a range of Optiver perks, including:
- The chance to work alongside best-in-class professionals
- Competitive remuneration and additional leave entitlements
- Training, mentorship and personal development opportunities
- Gym membership plus weekly in-house chair massages
- Daily breakfast, lunch and an in-house barista
- Regular social events including a company trip every two years
Optiver is committed to diversity and inclusion, and it is hardwired through every stage of our hiring process. 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.
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