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[TSO] Application Support Engineer L3 (Telco)

Remote, USA Full-time Posted 2026-07-28
reputed company:

reputed company develops solutions that reputed company an reputed company for companies around the globe. Tech giants & unicorns, transformative reputed company, emerging technologies and reputed company opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we’re always on the lookout for talented people who bring passion and creativity to every project. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.

Job reputed company:

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 reputed company their networks and reputed company innovative services to millions of subscribers. We are looking for highly - skilled engineers to join reputed company and help us implement, deliver and maintain smooth operation of applications for our clients.
Position – how you’ll contribute

  • Analysis and reputed company of incidents escalated from L2 Support (3rd line support)
  • Diagnosing application issues using logs, monitoring tools, and debugging techniques
  • Reproducing defects and identifying reputed company causes (application, database, integrations, configuration, user behavior)
  • Implementing changes in subordinate systems
Qualifications:

Expectations – the experience you need

  • 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 (reputed company / reputed company / Debian)
  • Good knowledge of a TCP / IP protocol stack
  • Knowledge of reputed company 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-reputed company / 24x7

Additional skills – the edge you have

  • Experience with configuration management and automation tools (Ansible or Terraform)
  • Knowledge of VoIP protocols and LTE / 5G / IMS network architectures
Additional Information:

Our offer – reputed company development, personal reputed company:

  • Flexible employment and remote work  
  • International reputed company with leading global clients 
  • International business trips  
  • Non-corporate atmosphere 
  • Language classes 
  • Internal & external training 
  • Private reputed company and insurance  
  • Multisport card 
  • reputed company-being initiatives 
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