Title:  Window Systems Engineer 
Location: Chicago

Optiver's Window Systems Engineers provide and guarantee a stable platform for our production trading environment. We firmly believe in balancing a safe, orderly production environment with profitability and sustainable growth. We are looking for engineers who share this vision, and who eschew complexity in favor of simplicity.

Who we are:
Optiver is a proprietary global market maker, trading on major financial markets around the world. We opened our first office in Amsterdam and now have locations in Chicago, Shanghai, and Sydney. Optiver employs over 950 highly educated professionals worldwide who are continuously improving the way we work and striving for excellence in everything we do. Being good is not good enough, and it’s everyone’s responsibility to make our company better. Founded in 1986, Optiver has been profitable every year of its existence.

What you'll do:
• Maintain and grow an environment comprising of high-performance, high-availability Window servers
• Create repeatable server builds and work closely with Trade Systems Support to deploy them to meet the dynamic needs of our business users
• Administer clients, servers, messaging, file shares, backups, software deployments, etc.
• Monitor and analyze our servers to ensure they are stable and performing optimally
• Delve into the operating system, and server hardware to optimize throughput, performance, and reliability
• Troubleshoot problems and prevent them from reoccurring
• Maintain infrastructure to measure system performance and availability – to detect problems and minimize down time and the impact of failures.
• Perform cross-discipline work with other teams (e.g. Trade Systems Support, Application Performance Management, Linux Engineering, Networking, Data Center Engineering, and Development) to solve business challenges
• Work at a technology-driven company where you can make an immediate impact

What you'll need:
• Bachelor’s degree or equivalent experience
• 4+ years of experience in a Windows Administrator role
• A high aptitude for learning and employing appropriate technologies
• Solid PowerShell scripting skills
• Solid understanding of core Windows infrastructure systems like Active Directory, DNS, and DHCP
• Solid understanding of Windows fundamentals such as NTFS, Services, Scheduled Tasks, Event Logs, networking, and the Registry
• Solid understanding of network protocols and architectures
• Knowledge of trading exchanges and financial instruments is not required
• Ability to harness available tools, resolve problems quickly, and provide optimal solutions
• The desire to "go the extra mile" and strive for excellence in whatever you undertake

What you’ll get:
25 days paid vacation; paid commuting expenses up to the maximum allowable amount; attractive bonus structure; training opportunities; generous 401K company match; fully paid health insurance premiums; breakfast, lunch, snacks and beverages provided daily; weekly in-house chair massages; casual dress; game room and more!