Technical Support Engineer - L2 (QA Exp mandatory)
Luxoft • Poland
**Role & seniority: ** L2 Support / Diagnostics Engineer (approx. 4+ years) with ~30% manual testing responsibilities.
**Location & work type: ** Poland-based candidates preferred; employment contract (contract of employment).
**Stack/tools (from description): **
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Industrial protocols: MQTT, Modbus (or similar)
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Platforms/data: Edge systems + cloud-hosted applications; telemetry/time-series/IIoT pipelines
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Systems & querying: Linux troubleshooting; logs/metrics/telemetry
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Back-end/data: SQL; databases
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APIs/web: REST APIs; frontend + backend troubleshooting
**Top 3 responsibilities: **
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Fleet monitoring: monitor health/availability/connectivity/performance of edge and cloud apps
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L2 technical support & root-cause analysis: investigate monitoring/customer issues; analyze logs/metrics/telemetry/services/APIs/network/database data
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End-to-end diagnostics & escalation: trace telemetry from devices through edge/cloud to dashboards; escalate unresolved issues to L3/development with evidence
**Must-have skills: **
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4+ years in L2 support/technical operations/systems integration/industrial software support (or equivalent)
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Strong Linux troubleshooting and log-analysis
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Experience with edge + cloud systems
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Knowledge of telemetry/time-series/IIoT data pipelines
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Hands-on MQTT/Modbus (or similar)
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SQL + databases; REST API troubleshooting
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Ability to perform **manual funct
Full Description
Project Description
- Development of monitoring and diagnostics system. It fulfils both local and remote data access and analytics requirement, as well as local and remote troubleshooting purpose.
- The work responsibilities contain L2 support + manual testing.
Responsibilities
Fleet monitoring: Monitor the health, availability, connectivity, and performance of edge systems and central cloud applications.
L2 technical support: Investigate issues reported by monitoring systems, sites, customers, or L1 support.
Root-cause analysis: Analyse logs, metrics, telemetry, services, databases, APIs, and network connections to identify and resolve problems.
End-to-end diagnostics: Trace telemetry from devices and gateways through edge and cloud services to dashboards and reports.
Issue escalation: Escalate unresolved problems or software defects to development/L3 with logs, reproduction steps, technical findings, and impact information.
Documentation and reporting: Maintain support records, troubleshooting procedures, fleet-health reports, and incident summaries.
Release validation: Dedicate approximately 30% of the role to manual functional, integration, and regression testing of new features and support software releases.
Mandatory Skills Description
- At least 4 years of experience in L2 support, technical operations, systems integration, industrial software support, or a comparable role.
- Experience with edge systems and cloud-hosted applications.
- Experience with telemetry, time-series data, and IIoT data pipelines.
- Hands-on knowledge of MQTT, Modbus, or similar industrial protocols.
- Strong Linux troubleshooting and log-analysis skills.
- Experience with SQL, databases, REST APIs, frontend and backend troubleshooting.
- Experience with manual functional and integration testing.
- Strong problem-solving, communication, documentation, and reporting skills.
- Degree or equivalent practical experience in automation, electrical engineering, control systems, or a related discipline.
(Opportunity for Poland-based candidates)
Benefits
- 💼 Tax-deductible costs on a contract of employment for all development roles
- 🔒 Stable employment based on an employment contract
- 🩺Private Medical & Dental care & Life Insurance
- 💰 Paid Referrals
- 🏋🏽 MyBenefit program (sports card, well-being program etc.)
- 🌎 Internal Mobility program - possibility of rotation between projects, locations, accounts
- 🎓 LuxTalent platform (webinars, training, courses)
