4 Kernel Tuning Jobs

As a SEBI-registered stockbroker with NSE and BSE, Pashupati Capital Services (PCS) utilizes its IT infrastructure for proprietary algorithmic trading and broking services. We are currently in search of a technically proficient, hands-on, and enthusiastic L3 IT Head to take charge of leading our IT infrastructure, data center operations, and support systems. In this pivotal role, you will be responsible for managing L1 and L2 teams, supervising server and hardware deployments, coordinating vendor and procurement workflows, and ensuring the continuous high availability of mission-critical systems. Your principal responsibilities will include overseeing the IT infrastructure across data centers, firewall policies, provisioning, and endpoint security. You will play a crucial role in leading and managing L1/L2 IT teams, enforcing operational excellence through the implementation of key performance indicators (KPIs) and standard operating procedures (SOPs). Additionally, you will be tasked with developing and refining SOPs for governance, disaster recovery, and security compliance. Leading the deployment and maintenance of enterprise-grade servers from reputable brands such as Dell, Cisco, Supermicro, and Huawei will fall under your jurisdiction. You will also be responsible for managing co-location setups in various data centers such as NSE, BSE, STT, and Yotta, including tasks like racking, liquid cooling, cabling, and power planning. Furthermore, your expertise will be needed to configure BIOS settings, manage IPMI/iLO access, enable network booting, and conduct remote diagnostics. In terms of Linux and system administration, you will be expected to expertly install, fine-tune, and secure various Linux distributions like Rocky, RHEL, and Ubuntu. This will involve tasks such as kernel upgrades, repo/yum management, and the deployment of trading platforms and monitoring agents on customized Linux boxes. Additionally, you will provide support for Windows Server environments and various virtualization stacks including VMware, Xen, and Hyper-V. Your role will also encompass managing networking and security aspects such as the deployment and optimization of SFP/QSFP, Twinax, MM/SM cabling, and breakout patching. You will oversee firewall rulesets, VLANs, routing policies, and endpoint protections, working closely with trading teams to troubleshoot and minimize system/network latency. As the L3 IT Head, you will lead the procurement of compute/network/storage infrastructure in alignment with trading requirements and maintain vendor relationships, warranties, and service level agreements (SLAs) for all hardware and software systems. Conducting system-level audits, performance benchmarks, and ensuring compliance with NSE/BSE regulatory requirements for co-located environments will also be part of your responsibilities. To be eligible for this role, you should possess at least 5 years of experience in IT infrastructure roles, with a minimum of 3 years in trading or mission-critical systems leadership. Mastery in Linux system administration is crucial, along with experience in kernel tuning, driver integration, custom performance profiles, and repository configurations. You must have a proven track record of managing full lifecycle deployments in co-location trading setups, expertise in BIOS tuning, server hardware builds, and virtualization platforms, and familiarity with institutional-grade environments like NSE/BSE. In addition to technical skills, strong team management, documentation, and troubleshooting abilities are essential for success in this position. An advanced diploma in Computer Applications, Hardware Networking, or an equivalent field is required. The working hours for this role are Monday to Saturday from 10:30 AM to 07:30 PM, with an additional 5-6 hours on Saturdays. The salary offered will be commensurate with your experience, skills, and last drawn CTC. Holidays will be provided in accordance with the NSE/BSE holiday calendar.,

You should have 7-9+ years of experience in software build engineering, release & deployment. Your technical skills should include expertise in Embedded Linux build environment development, build root, Yocto, Cmake, custom Makefiles, Dockers, C/C++ knowledge. You must possess excellent knowledge of build tools like Yocto, buildroot, Makefile, etc., and have strong scripting skills in Bash, Perl, or similar scripting languages. Hands-on experience in building Linux-based OS images using industry standard build tools and testing based on standard test frameworks is required. Additionally, you should have in-depth knowledge about user administration and file system management activities and experience in Linux OS hardening, performance, and kernel tuning. Experience with standard software development tools/CI CD pipelines such as Git, Subversion, Docker containerized environments, and Linux commands is essential. Configuration, build, deployment, and release management skills are a must-have for this role. You should also be capable of preparing installation guide documentation. In terms of qualifications, you should hold a graduate degree in Computer Science, Electronic Engineering, or a related discipline. Your educational background combined with your extensive experience in software build engineering, release & deployment will make you a suitable candidate for this position.,

Preferred candidate profile: Should have at least 6-10 years of relevant experience. At least 6-10 years of experience specialized in System Administration working on Redhat Linux, SUSE Linux, AIX, Cent OS. Experience on Kernel tunning, Linux image modififcations, Opensource compilations Involved in installation, configuration and administration of RHEL 4.x/5.x/6.x/7.1, SLES 10/11/12). Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration & Trouble shooting. Should have good working knowledge to administer LDAP, DNS servers. Should have good networking concepts and HW support experience. Ability to priorities tasks and work under pressure Collaboration capability, Team work sprint, Personable, professional demeanour. Effective written and verbal communication skills in English. Good working knowledge of Foreman, Elk, Grafana Engineering graduate (Computer/Electronics). Perks and benefits: Would be member of Core Unix global system admin team. Would be required to work on Global projects & rollouts.

Responsibilities: Lead design, implementation, and maintenance of Linux-based systems (RHEL, SUSE, Ubuntu, Debian). Optimize Linux systems through kernel tuning, performance monitoring, and file system management. Ensure system security via firewalls, IDS/IPS, and vulnerability management tools. Document system configurations, SOPs, and incident reports. Collaborate with network engineers, sysadmins, and app teams to support Linux infrastructure. Contribute to architectural planning and improvement strategies. Required Skills: • 5+ years of experience in Linux administration. • Expertise in Red Hat, SUSE, Ubuntu, Debian. • Hands-on with Red Hat Satellite, SUSE Manager. • Strong knowledge of networking, storage, virtualization in Linux environments. • Experience in managing Azure/AWS cloud infrastructure. • Solid grasp of Linux licensing and compliance. • Excellent problem-solving, communication, and team leadership skills. Email ID: akila.s@acesoftlabs.com