L2 Support & Manual Testing — IoT Edge & Cloud

Luxoft; Poland; On-site; PLN 120,000 - 180,000; Full time

Job summary

DXC Luxoft seeks an experienced L2 support engineer to monitor edge systems, cloud apps, and telemetry pipelines. You will handle issue analysis, end-to-end diagnostics, and documentation while contributing to release validation and testing.

The role requires hands-on Linux troubleshooting, MQTT/Modbus experience, and strong collaboration with cross-functional teams in a dynamic environment.

Qualifications

• At least 4 years of experience in L2 support, technical operations, or 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.

Responsibilities

• Fleet monitoring: assess health, availability, connectivity, and performance of edge systems and central cloud apps.
• L2 technical support: investigate issues from monitoring systems, sites, customers, or L1.
• Root-cause analysis: review logs, metrics, telemetry, services, databases, APIs, and network connections.
• End-to-end diagnostics: trace telemetry from devices to dashboards and reports.
• Issue escalation: escalate unresolved problems with logs, steps to reproduce, and impact details.
• Documentation and reporting: keep records, procedures, fleet reports, and incident summaries.
• Release validation: dedicate ~30% to manual testing of new features and releases.

Skills

L2 support

Edge systems

Telemetry pipelines

MQTT/Modbus

Linux troubleshooting

SQL/REST APIs

Manual testing

Documentation

Education

Degree in automation/electrical engineering or related

Job description

DXC Luxoft seeks an experienced L2 support engineer to monitor edge systems, cloud apps, and telemetry pipelines. You will handle issue analysis, end-to-end diagnostics, and documentation while contributing to release validation and testing.

The role requires hands-on Linux troubleshooting, MQTT/Modbus experience, and strong collaboration with cross-functional teams in a dynamic environment.