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Network Operations Engineer - Contract

Sydney, New South Wales💼 Contract🗓 2026-08-28 → 2026-09-26

Core

Ensuring the reliability, speed, and security of the network and Unix platform underpinning Optiver's trading and business operations across the Asia Pacific region.

Role type

Senior Network Operations Engineer (Infrastructure)

Builds

Stable, scalable, and low-latency network and security infrastructure for high-frequency trading operations.

Domain

Financial Markets / High-Frequency Trading / Network Infrastructure

Deliverable

infrastructure

Required skills

L2/L3 networking, TCP/UDP, OSPF, BGP, Multicast, firewall architecture, DC environment design, WAN management, IaC (Terraform/Ansible/Git), incident response, capacity planning.

Preferred skills

Arista ACE, PCNSE, CCNP, CCIE certifications.

Technologies

Git, Terraform, Ansible, Unix platforms, multi-zone firewalls.

Responsibilities

Support end-to-end infrastructure deployments in APAC data centers; drive research and implementation of infrastructure capacity and reliability optimizations; build and manage complex international LAN/WAN & security environments using IaC; monitor network and infrastructure system health and performance; participate in incident response to diagnose and resolve service-impacting problems.

Seniority

Mid-Senior, hands-on IC

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