Senior Linux Systems Engineer

Project Description:

• We are looking for a Linux Systems Engineer for Large US hedge fund to keep critical Linux-based research and platform infrastructure
• reliable, secure, and efficient. This role supports production systems across Linux servers, Kubernetes
• platforms, scheduler-backed compute environments, and user access services. The engineer will troubleshoot
• incidents, automate operational work, improve observability, and partner with cross-functional teams to deliver
• stable infrastructure changes.

Responsibilities:

• • Operate and support Linux servers and shared infrastructure used by research and platform teams.
• • Troubleshoot production issues involving system performance, availability, access, configuration, and
• networking.
• • Support Kubernetes and other container-based platforms, including node health, service behavior, and
• rollout activities.
• • Support scheduler-backed compute environments such as Slurm, including node readiness, maintenance,
• and incident recovery.
• • Improve user-facing Linux access services such as SSH, shared shell environments, and session-based
• platforms.
• • Manage OS lifecycle work: provisioning, patching, kernel and package updates, and hardening.
• • Build scripts and automation in Python, Bash, or similar tools to reduce manual work and improve
• reliability.
• • Use configuration management and version-controlled workflows to implement infrastructure changes
• safely.
• • Enhance monitoring, alerting, documentation, and operational processes.
• • Participate in incident response and occasional on-call support.

Mandatory Skills Description:

• • 3+ years of experience in Linux systems engineering, SRE, DevOps, or infrastructure support.
• • Strong Linux administration skills, including systemd, package management, permissions, filesystems, log
• analysis, and performance troubleshooting.
• • Good understanding of networking fundamentals such as DNS, NTP/PTP, routing, and general host
• connectivity.
• • Experience with automation, scripting, and operational tooling.
• • Familiarity with Kubernetes, virtualization, or clustered platforms.
• • Experience with configuration management or infrastructure-as-code tools such as Ansible, Salt, or
• Terraform.
• • Ability to troubleshoot production issues methodically and communicate clearly during incidents.
• • Experience with Git-based workflows and maintainable documentation.
• • Hands-on, practical problem solver with a strong ownership mindset.
• • Comfortable working close to production and balancing support with continuous improvement.
• • Collaborative communicator who works well across compute, storage, networking, and application teams.