Applications Support Engineer (Level 3)
Applications Support Engineer (Level 3)
Posted on :
26-08-2025
Employer Active
1 Vacancy
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Job Description
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 & 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.
Qualifications :
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 OpenSearch 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 FishEye etc.)
Additional Information :
dxFeed employees create the art of FinTech 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
- Flexible working hours
- 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
- Meal allowance.
Facility benefits:
- Modern office with new equipment
- Parking spaces/transport reimbursement
- Free drinks and snacks.
Community benefits:
- Teambuilding activities
- Corporate parties
- Speakers club
- Free admission to corporate external events
- Possibility of joining conferences and professional fairs.
Professional training benefits:
- Local language courses for foreign employees
- Unlimited access to self-learning platforms
- Certification opportunities
- Mentorship Program.
Social benefits:
- Parental bonus
- BES Insurance
- Referral bonus
- Blood donation paid leave
- Gifts for employees
- Gifts for children.
Remote Work :
No
Employment Type :
Full-time
Employment Type
Full-time
Key Skills
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