L3 Linux Administrator (Low-Latency Trading Systems)Confidential • Mumbai
L3 Linux Administrator (Low-Latency Trading Systems)
Confidential • Mumbai
28 days ago
Job descriptionSystem Optimization : Configure and tune Linux systems for ultra-low latency, including kernel parameter adjustments, CPU isolation, NUMA optimizations, and persistent huge pages. Performance Monitoring Troubleshooting : Diagnose and resolve issues like high CPU utilization, network packet drops, disk I / O bottlenecks, and performance degradation using advanced tools ( perf , dropwatch , ethtool , etc.). Network Configuration : Optimize network stack settings for trading environments and configure multicast networking for market data feeds. Security Management : Secure FIX protocol communications and ensure compliance with industry standards through encryption and secure tunneling techniques. High Availability (HA) : Design and implement HA solutions for trading applications using tools like Pacemaker or Corosync. Time Synchronization : Ensure precise time synchronization across trading servers using NTP / PTP configurations. Kernel Bypass Technologies : Leverage technologies such as DPDK or Solarflare OpenOnload to enhance network performance. Advanced knowledge of Linux system administration (RHEL / CentOS preferred). Experience in low-latency system design and performance tuning. Proficiency in troubleshooting tools (perf, strace, bpftrace). Expertise in FIX protocol security and troubleshooting FIX engine connectivity issues. Strong understanding of network stack optimizations (XPS / RPS tuning, IRQ balancing). Familiarity with kernel bypass technologies like DPDK or Solar flare Open Onload. Experience in financial services or high-frequency trading environments. Knowledge of monitoring tools like Prometheus, Grafana, or ELK Stack. Proficiency in scripting languages such as Python or Bash. Candidates with a 0-15 day notice period or those who can join immediately will be given preference.
Job description : About the Role :
- We are looking for an experienced L3 Linux Administrator to manage and optimize our low-latency trading infrastructure. The ideal candidate will have deep expertise in Linux system administration, performance tuning, and troubleshooting within high-frequency trading environments.
Key Responsibilities :
Required Skills Expertise :
Preferred :
Skills Required
Python, Bash, Prometheus, Grafana, Elk Stack, Fix Protocol
Create a job alert for this search
System Administrator • Mumbai
Related jobs
)
Simple Logic - Linux System Administrator - RHEL / Ubuntu
Simple Logic IT Pvt. Ltd • Mumbai
Technical Skills Required : - Operating Systems : Linux (RHEL, Ubuntu, CentOS).Disk Partitioning (Standard / LVM, Storage LUNs).
YUM installation and configuration.Linux system m...Show more
Last updated: 30+ days ago • Promoted
WIPL - Senior Linux Cloud Administrator
WIPL • Mumbai
Salary : 12 - 30 : Webspiders Interweb Pvt Ltd (WIPL) We are an MNC, with our presence in India & Singapore and data cente...Show more
Last updated: 18 days ago • Promoted
Linux L3 Administrator - Mumbai
Confidential • Mumbai, India
Role : Linux L3 Administrator (Deep expertise in Red Hat Satellite).Immediate joiners are preferred!.We at Silvereye IT Solutions Pvt.
RHEL L3 Administrator to join our team.The ideal candidate will ...Show more
Last updated: 24 days ago • Promoted
HCL Administrator / Engineer - Unified Endpoint Management
Kinsfolk Technology Pvt.ltd • Mumbai
Description : HCL UnO (Unified Next-Generation Orchestration) Administrator / Engineer.Position Overview : We are seeking an experienced HCL UnO (Unified Ne...Show more
Last updated: 11 days ago • Promoted
Linux Administrator - (L1)
Confidential • Navi Mumbai, Mumbai, India
Troubleshooting, OMI, Configure network, DNS, gateway, Package / patch management, SMTP & mail configuration, Linux Admin,.
Location Navi-Mumbai, Maharashtra.Technical Support or System Admin.Monitori...Show more
Last updated: 16 days ago • Promoted
Oracle Database Administrator - Unix / Linux
Talent Leads • Mumbai
Description : Job Title / Designation : Dpty Manager - Oracle Database Administration Employment Type : Full ...Show more
Last updated: 30+ days ago • Promoted
Simple Logic - L3 Openshift Administrator - IT Operations
Simple Logic IT Pvt. Ltd • Mumbai
Description : We are looking for an experienced OpenShift Administrator (L3) with a strong Linux background and hands-on experience managi...Show more
Last updated: 8 days ago • Promoted
Linux Administrator (L1)
Jio • Navi Mumbai, Maharashtra, India
Location Navi-Mumbai Maharashtra.Technical Support or System Admin.Proactively monitor system health (e.OMI) acknowledge alerts and perform first-line investigation and diagnosis to assess priority...Show more
Last updated: 15 days ago • Promoted
HCL BigFix Administrator / Engineer - Unix / Linux / Mac OS
Kinsfolk Technology Pvt.ltd • Mumbai
Description : Job Description : HCL BigFix Administrator / Engineer.Position Overview : We are seeking an experienced HCL BigFix Administrator / En...Show more
Last updated: 11 days ago • Promoted
L3 Senior Cloud Linux Engineer - Cluster Management
Xequalsto • Navi Mumbai
Job Summary : Seeking an experienced Cloud Linux Engineer (L3) with deep expertise in Linux systems administration, cloud infrastructure, and automation.The ideal candidate will...Show more
Last updated: 30+ days ago • Promoted
Linux Administrator L1
Jio Platforms Limited (JPL) • Navi Mumbai, Maharashtra, India
Location Navi-Mumbai, Maharashtra.Technical Support or System Admin.Proactively monitor system health (e.OMI), acknowledge alerts, and perform first-line investigation and diagnosis to assess prior...Show more
Last updated: 15 days ago • Promoted
Linux Administrator
Simple Logic IT Private Limited • Navi Mumbai, Maharashtra, India
Hiring someone with active RHCSA Certification.We are immediately hiring Linux Administrators (L2,L3).Navi Mumbai, Belapur (Work from Office).
Immediate Joiners / Candidates serving notice preferred...Show more
Last updated: 30+ days ago • Promoted
Linux System Administrator (AWS Specialist)
MGT-COMMERCE GmbH • Mumbai, IN
Do you live and breathe Linux? Do you enjoy building and managing servers in the cloud?.Linux-focused System Administrator.
AWS infrastructure and keep systems running at peak performance.Setting up...Show more
Last updated: 30+ days ago • Promoted
Linux system administration (RedHat / Ansible)
Tata Consultancy Services • Mumbai, Maharashtra, India
Linux system administration (RedHat / Ansible).Linux system administration (RedHat / Ansible).Experience : 6 years to 10years.
Interview Date : 28th Nov 2025 (Friday).Interview Time : 10 : 00 AM to 4 : 00 PM...Show more
Last updated: 3 days ago • Promoted
Cloud Admin L3
Yotta Data Services Private Limited • Mumbai, Maharashtra, India
The Cloud Admin L3 will be responsible for Managing multiple Cloud and Virtualization Setup, working using a combination of Windows and Unix applications.
Managing the various cloud servers and inst...Show more
Last updated: 15 days ago • Promoted
VMware Administrator L1 & L2
Jio Platforms Limited (JPL) • Navi Mumbai, Maharashtra, India
VMware Administrator, Virtualization, VCenter, ESXI.The Cloud L2 Analyst is a subject matter expert responsible for.VMware environment, acting as a technical escalation point.Manage and optimize th...Show more
Last updated: 15 days ago • Promoted
OpenShift Admin
Simple Logic IT Private Limited • Mumbai, Maharashtra, India
Linux background and hands-on experience managing.If you have a passion for automation, troubleshooting, and managing enterprise-grade container platforms, we’d love to hear from you!.Perform end-t...Show more
Last updated: 9 days ago • Promoted
Shareplex Administrator
Renovision Automation Services Pvt.Ltd. • Mumbai
Key Responsibilities : - Install, configure, and maintain SharePlex replication across Oracle and other supported databases.
Monitor replication performance and proact...Show more
Last updated: 28 days ago • Promoted