Apply

Ready to go for it?

AI Apply speeds things up—apply directly if you prefer.

FREE ACCESS
5,000–10,000 jobs/day
JobTailor Logo

See all jobs on JobTailor

Search thousands of fresh jobs every day.

Discover
  • Fresh listings
  • Fast filters
  • No subscription required
Create a free account and start exploring right away.
Software Mind

Application Support Engineer L3 – Telco

Software Mind

Application Support Engineer supporting major mobile network operators in Poland. Ensuring smooth operation of applications while addressing incidents and issues with a focus on collaboration.

Posted 4/14/2026full-timeRemote • 🇵🇱 PolandJuniorMid-LevelWebsite

Tech Stack

Tools & technologies
KubernetesLinuxMySQLPerlPythonSQL

About the role

Key responsibilities & impact
  • 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

What you’ll 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 (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

Benefits

Comp & perks
  • 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

ATS Keywords

✓ Tailor your resume
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KubernetesLinux administrationTCP/IP protocol stackGitlab CI/CDscripting languageSQLMySQLPostgreSQLdebugging techniquesincident resolution
Soft Skills
communicationproblem-solvingroot cause analysisdocumentation