Antal

Senior API Gateway / Linux Engineer (L2/L3 Support)

150 - 180 PLN/ godz./ godz.B2BB2B (netto)

SeniorHybryda·WarszawaFull-time·B2B

#371697·Dodano 4 miesiące temu·4

Źródło: Antal

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Tech Stack / Keywords

APILinux Unix CI/CD IT Security REST SOAPFirewall

Podsumowanie oferty

The role involves providing expert L2/L3 support for API Gateway and system layers, including incident handling, diagnostics, and system administration. The position requires managing API Gateway configurations, SSL/TLS certificates, and Linux/Unix systems. The engineer will also participate in upgrades, patching, disaster recovery, and collaborate with IT Security and integration teams. The work model is hybrid with one day per week in the Warsaw office.

Wymagania

Senior / Expert level
Experience in consulting or task-based work
5+ years experience with API Gateway / middleware
5+ years experience administering Linux/Unix systems
Experience in L2/L3 support
Experience with system upgrades and security patching (API and OS)
Technical skills: expert in API Gateway Broadcom / Layer7, REST, SOAP, HTTP
Linux/Unix administration including processes, services, and logs (syslog, journal)
User and permission management
SSL/TLS, certificates, OAuth2, JWT, mTLS
OS and middleware security patching
Basic knowledge of firewall, routing, load balancing
Azure networking / Private Endpoint knowledge is a plus

Obowiązki

Provide L2/L3 expert support for API Gateway and system layer
Handle incidents and problems, diagnose application, OS, and network issues
Analyze root causes and prepare corrective recommendations
Manage API Gateway configuration (Broadcom / Layer7)
Handle SSL/TLS certificates
Monitor and analyze alerts
Support API integration
Administer Linux/Unix systems for the APIGW platform
Manage users, permissions, and system resources
Patch OS, implement security fixes, and perform hardening
Analyze system logs and diagnose performance
Support automation efforts (scripts, CI/CD) - preferred
Prepare environments for upgrades and migrations
Participate in disaster recovery activities if required
Plan and execute API Gateway and OS upgrades
Test, validate changes, and support rollouts
Patch security for API Gateway and OS
Collaborate with IT Security
Escalate issues to vendor and support integration teams

Benefity

Hybrid work model: 1 day per week in Warsaw office
Private medical care (Luxmed)
Multisport card
Work with enterprise-class technologies (Layer7 / Broadcom)
Support from experienced integration and platform teams

Opieka zdrowotna

Karta sportowa

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