Group One Trading
  • 22-Jan-2020 (CST)
  • Systems
  • Chicago, IL, USA
  • Full Time

Position Summary

We are seeking a Senior Systems Engineer who is passionate about technology, including planning, implementation, and troubleshooting. This position will be part of our Systems team in our Chicago office. The Senior Systems Engineer will work closely with our Software Development, Quality Assurance, and Application Support teams to provide expertise and insight for the infrastructure that drives our internally developed trading software. Our software includes an information-dense user interface, a high-throughput, low latency parallel computational core, server components, interfaces to exchanges, market data sources, and execution systems.

The focus of this position will be the installation, operation, and maintenance of all hardware and enterprise software for our firm. The ideal candidate will manage large scale projects as required and be responsible for our office, data center, and trading floor systems infrastructure. This position will require a strong technical skillset, along with being able to maintain written standards for physical server placement and data center design layout. The candidate will evaluate existing processes and lead efforts to ensure the strength and stability of our technical infrastructure.

Technical Skills

The ideal candidate will possess strong skills in the following areas:

  • Windows Operating Systems: Windows Server 2016/2019, Windows 10
  • Enterprise Applications: Microsoft Active Directory, Group Policy, Exchange 2016 and above, Windows Update, Windows Defender
  • Virtualization: Microsoft Hyper-V
  • SQL Databases: Microsoft SQL Server, Microsoft Cluster Service
  • Networking: DNS, DHCP, Windows File Servers
  • Remote Desktop: Citrix XenDesktop, Microsoft RDS
  • Software Deployments: Microsoft SCCM, PDQ Deploy
  • PowerShell, or other scripting languages
  • Enterprise Monitoring Tools: Solarwinds, Nagios, or others
  • Hardware: Server class hardware, Blade enclosures, SAN


  • Excellent and professional written and oral communication skills
  • Ability to effectively communicate and collaborate with colleagues across different functional groups and locations
  • Self-driven, but self-aware enough to ask for help early and often
  • Highly flexible, champion of change
  • Ability to learn quickly and share knowledge
  • Willingness to give and take directions while operating in a fast-paced environment
  • Actively fosters an environment that encourages employee engagement, teamwork, and communication
  • Provide technical support and technical policy documentation
  • Develop backup and recovery solutions
  • Excellent grasp of computer networking fundamentals
  • Must be able to lift 50lbs

Education and Experience

  • An undergraduate degree combined with a minimum of 5 years' experience desired

About Group One:

Group One is a specialist and market maker across every US equity option exchange group (CBOE, NYSE, NASDAQ, MIAX, BOX). With 30 years since our founding, Group One has grown into one of the largest, privately held options trading firms in the United States. We maintain a floor presence in Chicago, New York, San Francisco, and Philadelphia, and we have specialist posts in New York and Chicago. Our traders provide competitive liquidity across a broad range of securities by managing portfolios of several hundred issues and simultaneously streaming quotes across multiple exchanges.

We offer competitive compensation, including a performance-based bonus and comprehensive benefits, paid vacation, fresh fruit and snacks daily, casual dress environment, social events, and more!

Group One Trading
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