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L2 Support with manual testing experience

Luxoft โ€ข Poland

remote
Posted Sep 8, 2026

**Role & seniority: ** L2/Operations Support Engineer (mid-level, ~4+ years) with manual testing (~30%)

**Stack/tools: **

  • Industrial/IoT protocols: MQTT, Modbus (or similar)

  • Platforms: Linux; edge systems + cloud-hosted apps

  • Data/telemetry: time-series/telemetry, IIoT data pipelines

  • APIs/DB: SQL, REST APIs; database/service/API troubleshooting

  • Testing: manual functional, integration, and regression testing

  • Optional: AWS; Python or Bash; observability/monitoring tools

  • Top 3 responsibilities:

    1. Fleet monitoring (health/availability/connectivity/performance of edge + cloud applications)

    2. L2 support & diagnostics (investigate monitoring/site/customer issues; trace telemetry end-to-end)

    3. Root-cause analysis & escalation (analyze logs/metrics/telemetry/services/APIs/network; escalate with findings)

  • Must-have skills:

    • 4+ years in L2 support/technical operations/systems integration or similar

    • Edge + cloud experience

    • Telemetry/time-series + IIoT pipeline understanding

    • Hands-on MQTT/Modbus (or comparable industrial protocols)

    • Strong Linux troubleshooting and log analysis

    • SQL + REST API + frontend/backend troubleshooting

    • Manual functional & integration testing experience

    • Strong communication and documentation/reporting

    • Relevant degree or equivalent practical experience

  • Nice-to-haves:

    • AWS

    • Python/Bash scripting

    • Cloud monitoring/observability tools

    • O

Full Description

Who are we DXC Luxoft is a global IT services and consulting company, part of DXC Technology, delivering cutting-edge digital and software solutions worldwide. We partner with leading financial institutions and global enterprises, helping them transform and scale through modern technology.

Join a global community of engineers and be part of building impactful, modern technology solutions!

Development of AI-enabled solutions that support a signal-driven commercial intelligence platform connecting market insights, content creation, sales engagement, and client feedback.

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.

Nice-to-Have Skills Description

  • AWS
  • Python or Bash scripting
  • Cloud monitoring and observability tools
  • Industrial monitoring, control, maritime, or other operational-technology experience
  • Cyber security standard or best practices

Languages

English: B2 Upper Intermediate

L2 SupportManual TestingLinux TroubleshootingSQLREST APIsMQTTModbusTelemetryIIoT Data PipelinesRoot-Cause AnalysisEdge SystemsCloud ApplicationsFunctional TestingIntegration TestingRegression TestingLog Analysis

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