As a seasoned Senior Application Support Engineer with over a decade of experience in L2/L3 IT support, I excel in managing complex IT environments across diverse sectors such as finance, manufacturing, and global services. My expertise lies in ensuring high system reliability, seamless application performance, and delivering exceptional end-user support.
- Database Management: Proficient in Oracle, PostgreSQL, and SQL database operations, including administrative access, updates, and restoration tasks.
- System Administration: Advanced knowledge of Linux/Bash, server-level application installation, configuration, and backend issue analysis using tools like Netstat and log management.
- Cloud and Middleware Operations: Skilled in AWS CloudWatch, business application management, and collaborating with DevOps and middleware teams to maintain critical workflows.
- ITIL Best Practices: Certified and experienced in change management, incident resolution, and production lifecycle management.
- Monitoring and Workflow Tools: Extensive use of JIRA, ServiceNow, Confluence, and tools like HP ALM and HPSM for structured workflow management.
- Automation and Scripting: Expertise in Bash scripting for automation and process optimization in production environments.
- Senior Support Engineer (2020 - Present)
- Provided L2/L3 application support in geographically distributed environments (US/UK/HK/Singapore).
- Troubleshot critical brokerage trading and batch processing systems.
- Administered databases and executed post-implementation reviews for production changes.
- Delivered VIP user support with advanced soft skills.
- Application Development Support (2018 - 2020)
- Spearheaded BarracudaFX order management system support and implemented new releases through SAT/UAT cycles.
- Coordinated workflows across multiple teams and maintained production servers.
- Created runbook instructions and participated in bug-fixing processes.
- Senior Application Support (2017 - 2018)
- Ensured seamless operations of key business applications for VIP users.
- Managed data packages, database updates, and user account setups.
- Previous Roles (2015 - 2017)
- Progressed from 1st level Service Desk to 2nd level Application Support, gaining deep expertise in Active Directory, remote desktop support, and internal web app troubleshooting.
- Strong communication and stakeholder management skills, honed through interaction with global teams and VIP clients.
- Adaptability and problem-solving in high-pressure environments, such as financial trading platforms.
- Proven ability to mentor junior team members and facilitate cross-departmental collaboration.
- ITIL Operations Certified
- CodersLab Front-End Development
- Languages: English (C1), Polish (Native), German/Russian (Basics).
My dedication to system reliability and user satisfaction, paired with my technical expertise, makes me an ideal candidate for roles requiring a blend of hands-on technical skills and strategic problem-solving in IT support environments.
Feel free to reach me for further discussions.