[TSO] Application Support Engineer L3 (Telco)
About The Position
Project – the aim you’ll have Our clients are the largest mobile network operators in Poland and in Europe. We deliver solutions and services that transform their networks and provide innovative services to millions of subscribers. We are looking for highly - skilled engineers to join our team and help us implement, deliver and maintain smooth operation of applications for our clients. Position – how you’ll contribute Analysis and resolution of incidents escalated from L2 Support (3rd line support) Diagnosing application issues using logs, monitoring tools, and debugging techniques Reproducing defects and identifying root causes (application, database, integrations, configuration, user behavior) Implementing changes in subordinate systems
Requirements
- Minimum 2 years of experience in an Application Support / L2 Support role or similar, in high-availability production environments
- Hands-on experience with Kubernetes: deploying applications, updates and troubleshooting
- Experience in Linux environment administration (Rocky / RedHat / Debian)
- Good knowledge of a TCP / IP protocol stack
- Knowledge of Gitlab CI/CD
- Knowledge of at least one scripting language (e.g. bash, perl, python)
- Knowledge of SQL and experience in SQL database administration (MySQL, PostreSql)
- English and Polish language at a level that allows for easy communication and creating documentation
- Availability to work in shift mode / on-call / 24x7
Nice To Haves
- Experience with configuration management and automation tools (Ansible or Terraform)
- Knowledge of VoIP protocols and LTE / 5G / IMS network architectures
Responsibilities
- Analysis and resolution of incidents escalated from L2 Support (3rd line support)
- Diagnosing application issues using logs, monitoring tools, and debugging techniques
- Reproducing defects and identifying root causes (application, database, integrations, configuration, user behavior)
- Implementing changes in subordinate systems
Benefits
- Flexible employment and remote work
- International projects with leading global clients
- International business trips
- Non-corporate atmosphere
- Language classes
- Internal & external training
- Private healthcare and insurance
- Multisport card
- Well-being initiatives
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
Number of Employees
501-1,000 employees
