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.

Since its establishment in 2012, our Shanghai office is a rapidly growing participant in the Chinese markets, trading exchange-listed futures, options and equities in China mainland. Our vision is to become the trusted partner in the development of Chinese financial markets. With the culture of a start-up but the backing of a 35+ year-old trading firm, the Optiver Shanghai office is truly unique. Everyone who joins us will help shape the future of our company and its global impact. Get ready: we are only just beginning.

The Optiver Linux Systems Engineering Team ensures our trading servers work so we can trade. You will work in a highly-customized bare metal environment where proprietary tools and technology run at breakneck speed. You will be expected to help build the pioneering tools to keep our systems best-in-class while enabling our technology evolution in a controlled way. At Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions. With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates. As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.

WHAT YOU’LL DO

• Tackle the life cycle of a server and build and deploy new solutions.
• Performance monitoring and managing the system capacity.
• Fix and analyze technical incidents, solve technical ad hoc problems.
• Lead our charge to intelligent automation.
• Be the connection between hardware and software.
• Research new technologies and solutions, implement them or build better.

WHO YOU ARE

• A Systems Engineer with Experience in designing, deploying and supporting large scale Linux/Unix server environments
• Good knowledge of Linux Kernel internals
• Have a developer mindset to help build the right tools for our continual improvement
• Solid coding skills in Python and a strong desire to automate
• Experience within a high-performance computer environment where the result matters
• Infrastructure-as-Code with an Ansible flavor
• You are naturally curious about hardware and software, and how these interact
• Knowledge of virtualization and networking
• A proactive approach to problem solving
• You are able to clearly explain your thoughts through written and verbal communication, ask the right questions, and are not afraid to challenge or defend a strategy
• You seek out opportunities to leave your comfort zone and enjoy frequent change

 WHAT YOU'LL GET

• 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.

• Training, mentorship and personal development opportunities.

• Daily breakfast, lunch and snacks.

• Gym membership, sports and leisure activities, plus weekly in-house chair massages

• Regular social events, clubs and Friday afternoon drinks.

Optiver is committed to diversity and inclusion. We encourage applications from candidates of all backgrounds, and welcome requests for reasonable adjustments during the process.

Questions? Get in touch with the recruitment team at careers@optiver.com.au.

Optiver 重视个人信息的保护。请您在提供个人信息给我们之前，认真阅读Optiver China Privacy Notice, 了解我们如何收集及处理您的个人信息。

Personal information protection is of utmost importance to Optiver. Before you provide any personal information to us, we strongly urge you to read our Privacy Policy to acknowledge how we collect and process your personal information.

• Linux System Administration: Install, configure, patch, and maintain RHEL/Fedora servers.
• Performance & Low‑Latency Tuning: Conduct network, system, and kernel tuning for ultra‑low‑latency workloads; develop benchmarks and monitoring dashboards.
• Scripting & Automation: Write robust Bash, Python, and Perl scripts for routine tasks, diagnostics, and custom tooling.
• Configuration Management: Build and maintain Ansible playbooks or Salt states (Salt preferred); enforce idempotent configurations across hundreds of nodes.
• Virtualisation & Cloud: Deploy and manage Proxmox clusters; create/maintain VMs and containers; integrate with AWS services where applicable.
• Network Engineering: Implement and troubleshoot advanced networking (VLANs, bonding, NIC teaming, SR‑IOV, TCP/UDP tuning, QoS). Cisco networking and Fortinet experience is a plus.
• Storage Engineering: Manage and troubleshoot SAN and NAS storage solutions and block‑level storage using iSCSI. Perform LUN masking, multipathing, and performance tuning for Linux hosts. HPE SAN experience a plus.
• Incident Response: Provide timely response to production incidents; some after‑hours/weekend work is required.
• Documentation & Knowledge Sharing: Produce clear runbooks, SOPs, and technical documentation; mentor junior engineers.
• Security & Compliance: Apply hardening guidelines, manage SELinux where required, and support audit requirements.

• Minimum Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5–10 years of professional Linux engineering experience (RHEL/Fedora).
• Strong problem‑solving skills, ability to work independently and as part of a team, and a proactive attitude toward automation and improvement.
• Strong networking fundamentals (TCP/IP, routing, switching, firewalls).
• System, kernel, and network performance tuning (including low‑latency).
• Hands‑on experience with Proxmox (preferred) or comparable platforms (KVM, VMware).
• Advanced Bash, Python, and Perl scripting.
• Proven experience with Ansible or Salt (Salt preferred).
• Experience with container technologies (Docker, LXC/LXD).
• Familiarity with monitoring stacks (Prometheus, Grafana, Zabbix, LibreNMS).
• Knowledge of security frameworks (CIS, NIST).
• Experience with Windows networking.
• Working knowledge of AWS services (EC2, VPC, S3) is nice to have.
• Prior work in high‑frequency trading and financial services is nice to have
• Fluency in English. Mandarin and Cantonese fluency are nice to have

What We Offer

• Dynamic and collaborative work environment
• A flat management structure where everyone’s voice is valued
• Work-life balance within a multicultural environment
• Fully stocked kitchen for breakfast and lunch
• Attractive benefits package with a discretionary bonus

Eclipse Trading is an equal opportunity employer and we believe that diversity and inclusion are essential pillars of our success as a company. We are dedicated to embrace a culture reflecting a variety of perspectives, insights and backgrounds to drive innovation. We build talented and diverse teams to drive business results and encourage our people to develop to their full potential.

All information provided will be treated in strict confidence and used solely for recruitment purposes.

Due to the high number of responses that we receive, we are only able to respond to successful applicants.

Note: The use of AI tools during interviews or assessments is strictly prohibited unless explicitly authorized. We employ multiple methods to verify the authenticity of candidate responses. If it is determined that AI assistance was used at any stage of the hiring process without prior approval, we reserve the right to disqualify your application or rescind any job offer.