Linux​/UNIX Systems Administrator - Vice President

Job Description:

J ob Title Linux/UNIX Systems Administrator Corporate Title Vice President Location New York, NY Overview

The Global Low Latency UNIX Support Team is seeking an experienced Linux Systems Administrator to support a global low-latency infrastructure spanning more than 2,300 servers across 30+ exchange colocation sites and core data centers. You will have deep expertise in Linux environments, including SLES and RHEL, along with strong knowledge of enterprise server hardware and infrastructure. This role is responsible for all stages of the hardware lifecycle, including planning, deployment, activation, product ionization, and vendor management.

The position provides support to critical trading and market-facing platforms across multiple business lines, including Foreign Exchange, Market Data, Rates, Equities, Commodities, Derivatives, and Algorithmic Trading. We are looking for a collaborative problem solver with strong communication skills who thrives in a fast-paced, mission-critical environment.

What We Offer YouA diverse and inclusive environment that embraces change, innovation, and collaborationA hybrid working model, allowing for in-office / work from home flexibility, generous vacation, personal and volunteer days Employee Resource Groups support an inclusive workplace for everyone and promote community engagement

Competitive compensation packages including health and wellbeing benefits, retirement savings plans, parental leave, and family building benefits

Educational resources, matching gift and volunteer programs

What You’ll DoProvide dedicated support for Change the Bank and Run the Bank activities across the Global Low Latency UNIX infrastructure, including rapid response to production incidents

Plan, deploy, activate, product ionize, upgrade, and maintain low-latency server hardware and operating systems across exchange colocation sites and core data centers

Perform advanced Linux and latency-specific tuning, including CPU isolation, real-time threads, interrupt affinity, network interface card buffer optimization, and kernel-level enhancements

Partner with application and project delivery teams to align environments with the technology roadmap, including operating system, hardware, and third-party software upgrades

Design, test, and validate engineering releases and RPM packages for applications requiring ultra-low-latency performance

Drive standardization and automation while coordinating with UNIX engineering teams and third-party vendors to assess and implement new technologies

How You’ll Lead Act as a senior UNIX subject matter expert and trusted advisor to technology and business stakeholders supporting global trading platforms

Lead technical decision-making during complex incidents, infrastructure changes, and performance investigations across multiple regions

Build strong partnerships with application teams, project delivery teams, UNIX engineering, network and storage teams, and external vendors

Skills You’ll Need Extensive experience administering enterprise Linux environments, particularly SLES and RHEL, including upgrades, patching, configuration, performance management, troubleshooting, and capacity planning

Deep knowledge of low-latency systems engineering, including Linux kernel tuning, latency and jitter reduction, BIOS tuning, real-time kernels, kernel bypass technologies, CPU and I/O architecture, Infini Band, and Ethernet hardware

Strong expertise in TCP/IP networking, routing, network topology, firewalled environments, Ethernet bonding, PCIe technologies, and protocols including NFS, NIS, DNS, DHCP, UDP, IGMP, NTP, and SSH Experience with enterprise server hardware, including HP Pro Liant DL380/580 and Synergy platforms, as well as storage technologies…