Applications Support Engineer (Level 3)

We are looking for an Applications Support Engineer (Level 3) to join the team. We expect the Applications Support Engineer to Work closely with Support, QA and Development teams for setting up, configuring and maintaining new and existing applications as part of the infrastructure, Deploy, install, configure and maintain sophisticated Trading/Finance and related software, Configure bare metal & сloud instances to host various types of applications, Work on the administration of UNIX/Linux OS – installation, configuration and maintenance Administrate UNIX/Cloud infrastructure – installation, configuration and maintenance, Deploy and configure cloud-based servers and networks provision servers and storage, configure firewalls, VPN, monitoring, etc., Make key decisions for scalability, reliability and accessibility, Install and manage in-house developed and external well-known monitoring systems. Work with the GIT repositories, Implement automation activities in order to get rid of routines, Suggest improvements to the technical side of applications/environments as well as to the internal support processes in order to facilitate the maintenance of applications, monitoring of automated routine procedures and interaction between departments, Be proactive in identifying and troubleshooting problems in testing and production environments, (generating solutions and bug reports when required) and monitoring network and systems health and status, and continuously making improvements. Solve critical problems in applications’ configuration and environments these applications reside on (multicast routing/latency issues/packet loss/etc.) and in Systems, platforms and data such as: unavailability/ outage/ inconsistency/ misconfiguration/ data delays/ etc.), Communicate with clients and partner companies’ engineers on technical subjects, Participate in an on-call support rotation to ensure 24x7x365 coverage for critical core and customer issues, Guide and mentor Tier II engineers, Share knowledge within the team and across other teams.