Linux Support Engineer

4 weeks ago

Mumbai, India Dolat Capital Full time
Dolat Capital, a quantitative trading firm, seeks a skilled Senior Linux Support Engineer to join our systems team. The Linux Support Engineer will help oversee the maintenance of hundreds of our production servers while supporting more than 100 users. Dolat has many high-capacity, low-latency, direct private lines between our sites, and we use the latest high-performance hardware.
Dolat’s Trading Support Engineers are the gatekeepers of the production trading environment. We firmly believe in balancing a safe, orderly production environment that works optimally by deploying, maintaining, monitoring and operating a fleet of Linux servers to its optimal performance. We are looking for engineers who share this vision, and who shun complexity in favor of simplicity. You will help enable our technology evolution while maintaining control. You will be expected to help build the various tools to keep our systems running to their highest optimal performance.
Responsibilities
Debugging dropped packets, whether at the network, NIC, OS, or application layers
Troubleshooting kernel panics and system hangs
Analyzing performance issues
Fine-tuning processes to run with the least jitter
Directing support for our continuously active servers, lines, and low-latency network
Installing, configuring, and deploying fully-distributed Red Hat Linux systems
Taking a role in researching, testing, recommending, implementing, and maintaining a cutting- edge, ultra-low-latency system and network technologies
Participating in an on-call rotation
Deploy, monitor, and configure a complex suite of trading applications
Provide exceptional trade support to a high-frequency trading floor environment
Provide skilled hands-on technical expertise to trading, risk, middle office, and compliance teams across Windows and Linux platforms
Develop fluency with existing systems, infrastructure, and procedures and proactively improve them
Intelligently automate while maintaining firm human control
Script against configuration files, databases, and logs
Gather and analyze metrics to improve and report on the performance and efficiency of trading systems
Work in tandem with the development team to ensure the health and stability of the production environment
Continually drive production systems toward cleanliness, simplicity, and reliability
Participate in deep-dive investigations necessary in troubleshooting and improving low latency systems
Track and solve issues as part of fast-paced results driven set of IT teams
Solving problems by providing level one and level two support for our reporting and tools
Testing and releasing the tools to production
Monitoring daily reports and run of scheduled jobs
Monitoring and reporting on the status and health of our systems
Serving as the primary technical contact for compliance and risk managers
Contributing to the design and implementation of the support system to enhance reliability and self-correction
Provides support for the front office, middle office and back-office applications and users
Facilitate communication between trading, infrastructure and software development teams
Supports proprietary and third-party trading systems and infrastructure
Contributes to the engineering efforts to automate processes, monitor systems and
Improve software management on both Microsoft and Linux platforms.
Communicate directly with exchanges, clearing members and ISV’s to resolve trading issues
Work with software development teams to improve, monitor and maintain internal systems
Maintain enterprise scheduling, release and monitoring systems
Provide support for local and co-located datacenters
Qualifications
If you have not used the following commands, please do not apply: vmstat, top, uname, ps, emacs/vi, svn, git, make, rpm, ping, tcpdump, wireshark, nfsstat, traceroute
A technical degree from an accredited university (B.E/B.Tech only)
Knowledge in Linux Kernel tuning, configuration management with cfengine, Linux
Network performance management/troubleshooting, hardware testing/integration and IT security
Knowledge of maintaining Cisco, Windows, and PC hardware
Fluency in at least one scripting/coding language
Hands-on knowledge of SSH, iptables administration, NFS, DNS, DHCP, and LDAP
Knowledge with Open Source applications to build enterprise-level systems (i.e., Nagios, SmokePing, MRTG, etc.)
Expertise in maintaining Cisco ports/VLANs/dot1.x settings in any office environment
Experience with scripting tools such as Power Shell, Python, Perl and /or Bash is a plus
Ability to read and interpret English-language technical documents
A high aptitude for learning and employing appropriate technologies
Solid scripting skills
Software development skills are a plus but not required
SQL and database administration skills are preferred
Solid understanding of operating systems
Solid understanding of network architectures
Knowledge of trading exchanges and financial instruments is not required
Knowledge of Linux along with REDHAT Certification.
Strong troubleshooting and problem-solving abilities
The ability to manage multiple tasks in a fast-paced trading environment
Excellent communication skills and fluency in English
Must be able to demonstrate technical problem-solving skills
Excellent documentation and knowledge management skills

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