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Pumex Computing, LLC

Senior Linux Engineer Low Latency Trading Systems

Pumex Computing, LLC, Greenwich, Connecticut, us, 06831

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Senior Linux Engineer Low Latency Trading Systems

Senior Linux Engineer Low Latency Trading Systems

1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This range is provided by Pumex Computing, LLC. Your actual pay will be based on your skills and experience talk with your recruiter to learn more. Base pay range

$250,000.00/yr - $300,000.00/yr Direct message the job poster from Pumex Computing, LLC Driving AI-Enhanced Recruiting Solutions

Senior Linux Engineer Low Latency Trading Systems We are seeking an experienced

Linux Systems Engineer

to support and enhance critical infrastructure for a high-performance trading platform. This role is part of a technical team embedded within a fast-paced, client-facing environment. The ideal candidate will bring a high level of expertise in Linux engineering, particularly within

low-latency trading systems , and possess strong interpersonal communication skills suited to a collaborative and time-sensitive business setting. Key Responsibilities Engineer and support global infrastructure for a real-time

order management platform

used in latency-sensitive trading environments. Maintain and optimize

co-location systems

and a mix of on-premises and cloud-based infrastructure using RHEL 8/9. Lead infrastructure enhancements, including platform upgrades, new site deployments, and migrations. Develop automation for system provisioning, monitoring, and configuration using modern tools and scripting languages. Troubleshoot production issues efficiently and collaboratively, minimizing downtime. Analyze system performance, conduct root cause analysis, and implement preventative measures. Collaborate with hardware and software vendors to deliver robust, scalable solutions. Required Qualifications 10+ years of hands-on Linux/Unix systems engineering experience in latency-sensitive or high-throughput environments. Strong proficiency in

Linux tuning

for performance optimization, including experience with network interface cards such as Exanic, Solarflare, or Mellanox. Proven experience deploying and maintaining co-located systems from design to production. Deep understanding of

infrastructure needs

for electronic trading environments or real-time systems. Hands-on expertise in

automation/orchestration tools

such as Ansible, Puppet, Chef, Salt, or Terraform. Strong scripting skills in

Bash ,

Python , or equivalent languages used for infrastructure tooling. Experience working with

cloud infrastructure

(AWS, Azure, GCP) or private cloud (OpenStack, VMware). Familiarity with infrastructure monitoring tools like Datadog, Prometheus, or Grafana. Experience with systems that process

market data

or third-party feed handlers is a plus. Working knowledge of identity and access tools such as

Active Directory

and

Kerberos . Strong troubleshooting and problem-solving skills with the ability to prioritize and multitask in a high-pressure environment. Excellent verbal and written communication skills in English, with the ability to interact professionally across technical and business teams. Demonstrated ability to operate with integrity and maintain a high standard of professional conduct. What We Offer A highly collaborative, technology-forward team environment. An opportunity to work on critical infrastructure in a performance-driven domain. Competitive compensation and comprehensive benefits. This role requires full-time onsite presence. Candidates must be authorized to work in the United States on a permanent basis; visa sponsorship is not available at this time. Seniority level

Seniority level

Mid-Senior level Employment type

Employment type

Full-time Job function

Job function

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