Senior Linux Systems Administrator (Network Specialist)

The Voleon Group, Berkeley

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Voleon is a technology company that applies state-of-the-art machine learning techniques to real-world problems in finance.  For more than a decade, we have led our industry and worked at the frontier of applying machine learning to investment management. We have become a multibillion dollar asset manager, and we have ambitious goals for the future.
Your colleagues will include internationally recognized experts in machine learning, technology, and finance. The people who shape our company come from other backgrounds, too, including concert music performance, humanitarian aid, opera singing, sports writing, and the submarine service. You will be part of a team that loves to succeed together.
In addition to our enriching and collegial working environment, we offer highly competitive compensation and benefits packages, technology talks by our experts, a beautiful modern office, daily catered lunches, and more.
As the Senior Linux Systems Administrator, you will design, deploy, and maintain IT infrastructure across all operational areas of the firm. You will be a senior member of the Systems team, which is flexible in supporting a growing, dynamic team of software, research, and systems engineers. This role is a means to make a difference: you will maintain the backbone of a rapidly growing technology enterprise.


  • Build out automated, highly available and scalable infrastructure
  • Help define and refine our growing network and storage infrastructure
  • Deploy and maintain storage nodes and monitoring
  • Participate in an occasional on-call rotation

Required Qualifications

  • At least five years of professional Linux experience with increasing responsibility and scope of work
  • Functional knowledge of spanning tree, LLDP, VPN, link aggregation, packet capture, BGP, VLAN
  • Exposure to network failover technologies
  • Expertise with switches and firewalls 
  • Knowledge of monitoring tools (Nagios, Check_MK, Prometheus, Grafana, etc.)
  • Understanding of network and OS security
  • Exposure to virtualization and containerization (KVM, ESXI, Docker, LXC)
  • Experience with high-speed (at least 10Gb) host networking
  • Demonstrated scripting abilities (Bash and/or Python preferred)

Preferred Qualifications

  • Experience with general configuration-automation, CI/CD, and deployment tools
  • Proficiency with Ansible
  • Experience with cluster management frameworks (Mesos, OpenShift, LVS), centralized authorization and domain management (LDAP / AD / IPA), and RHEL
  • Experience with DRBD
The Voleon Group is an Equal Opportunity employer. Applicants are considered without regard to race, color, religion, creed, national origin, age, sex, gender, marital status, sexual orientation and identity, genetic information, veteran status, citizenship, or any other factors prohibited by local, state, or federal law.

About The Voleon Group

Co-founded in 2007 by two leading scientists, The Voleon Group combines an academic approach to research with an emphasis on scalability and risk management to deliver cutting-edge technology at the forefront of the finance industry. Many of our leaders and employees hold doctorates in statistics, computer science, and mathematics, among other quantitative disciplines. We are committed to exemplary performance in all aspects of our research and operations, while maintaining a culture of intellectual curiosity and flexibility. Voleon’s CEO holds a Ph.D. in Computer Science from Stanford and previously founded and led a successful technology startup. Our Chief Investment Officer/Director of Research is a Statistics faculty member at UC Berkeley, where he earned his Ph.D.

The Voleon Group

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