Applications Support Engineer; Level 3

dxFeed
is the leading provider of data services for the Capital Markets industry, sourcing and storing direct market data feeds from a variety of exchanges and market participants around the world, having built one of the most comprehensive ticker plants, in addition to offering the broadest range of data services for streaming, consolidation, storage, extraction, analytics, including index construction and maintenance for buy-side and sell-side institutions of the global financial industry.

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 & c loud 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.

Must-have skills:

• 3+ years of experience in UNIX/Linux administration,
• Experience working as a Tier III Support engineer,
• Strong experience with OS‑level administration on Linux and/or UNIX,
• Experience in Amazon compute cloud,
• Hands‑on scripting experience with Bash, Python, and/or Groovy,
• In‑depth knowledge of TCP/IP and ISO/OSI stack,
• Experience in working with Apache, Nginx, HAproxy, Envoy, etc,
• Experience with networking (routing, IP, TCP, UDP, DNS),
• Experience with monitoring and logging tools (Zabbix, Elasticsearch, or Open Search, Grafana,Kibana, Dynatrace, Prometheus, etc.),
• Know how to read and analyze errors in applications,
• Strong ability to troubleshoot and solve problems using analytical skills,
• An ability to handle multiple tasks and projects simultaneously,
• Understanding of ITIL processes and routines,
• Good command of English (written and verbal).

Nice‑to‑have skills:

• Experience with configuring CI/CD pipelines,
• Knowledge of IP Multicast (RP, PIM, IGMP),
• Experience in cluster technologies and high availability systems,
• Experience with SQL‑like command language,
• Experience with Ansible,
• Knowledge of Java programming language,
• Experience with trading/exchange/risk management software usage,
• Experience with Atlassian software (JIRA, Confluence, Fish Eye, etc.)

dxFeed employees create the art of Fin Tech in comfortable working spaces located in modern business centers around the world. Join our team in Istanbul and enjoy:

Flexibility benefits:

• Possibility of hybrid/remote work mode,
• Work From Anywhere Program.

Health and recreation benefits:

• 14 days of paid vacation,
• Fully paid additional wellness days(3 days per year),
• Supplementary private health insurance,
• Reimbursement of fitness,

Facility benefits:

• Modern office with new equipment,
• Free drinks and snacks.

Community benefits:

• Team building activities,
• Corporate parties,
• Speakers' club,
• Free admission to corporate external events,
• Possibility of joining conferences and professional fairs.
• Local language courses for foreign employees,
• Unlimited access to self‑learning platforms,
• Certification opportunities,
• Parental bonus,
• BES Insurance,
• Referral bonus,
• Blood donation paid leave,
• Gifts for employees,
• Gifts for children.