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Senior System Administrator

oneZero Financial Systems – Cambridge, MA

Come join oneZero Financial Systems! An exciting, fast-growing company with Headquarters in Cambridge MA, oneZero empowers banks, brokerages and hedge funds with cutting edge trade routing and execution technology. Our platform, deployed with 100+ entities globally, features a low-latency trading environment, integrations to the worlds leading execution venues, and reliable IT infrastructure and technical supportall designed to be customized and scaled to serve any business model and any size of market participant. We take pride in our great work atmosphere and highly motivated team of engineers. We are currently looking for a motivated and talented Senior System Administrator to join our Cambridge office.

Please see oneZero featured in e-Forex Magazine to learn more about the company and our dynamic team (

Job Purpose

Detailed knowledge of VMWare and Windows server technical and hardware design. Extensive experience planning and supporting high performance / highly available mission critical enterprise servers. This role performs senior level technical support and manages enterprise level technology projects. Recommends the design and configuration of operating systems and system applications to operate in concert with oneZeros financial software and global infrastructure. This position is part of a small team with a broad range of responsibilities and provides highly technical and complex solutions for a 24x7 financial service provider where uptime is mission critical.


  • Designs, implements and oversees all AD and server administration requirements.
  • Designs, delivers and maintains complex VMWare and physical server solutions to accommodate rapidly expanding enterprise financial service requirements of oneZeros customer base.
  • Plans, manages and completes complex global systems projects.
  • Scale, maintain, monitor, analyze, and improve our existing VMWare infrastructure across multiple data centers world-wide.
  • Implement and maintain global infrastructure, monitoring and controls supporting oneZeros customer base.
  • Manage the day-to-day requirements of the business as it relates to our server infrastructure. (Customer server deployments, access, security and administration)
  • Design and implement automation solutions to support new customers, new sites and expanding data centers.
  • Prepare and maintain documentation related to our virtual and physical server infrastructure, for internal and external informational use and as required by regulatory authorities.
  • Troubleshoot critical issues across physical, virtual and global locations.
  • Evaluate hardware and modify system performance globally.
  • Ensures systems meet Compliance, Information Security, Risk and Disaster Recovery programs, policies and processes.


  • 10+ years of VMWare experience.
  • 5+ years of experience in a senior systems administrators role.
  • Ability to lead VMWare, AD, Windows Server and supporting tools projects with minimal oversight.
  • Excellent interpersonal and communication skills.
  • Must be willing and able to take ownership and responsibility for a critical facet of the companys infrastructure.
  • 24x7 availability.
  • Willingness to travel internationally to global datacenters when required (<=10%).

OS: Windows Server, Linux, PostgresSQL, VMware 5.5+,

Hardware: DELL, HP, Nimble, NetApp, Rorke

Software: vSphere, Opsview, Jira, Salesforce, Active Directory, Veeam

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