{"id":3467073,"url":"https://alion.io/job/mantah-l2-technical-support-engineer","title":"L2 Technical Support Engineer","company":{"id":4486954,"name":"Mantah","domain":"mantah.io","url":"https://alion.io/company/mantah","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Support","role_family":"Support","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":{"label":"CET","utc_offset_min":1,"utc_offset_max":1},"hiring_geo_confidence":"inferred","locations":["Ukraine"],"countries":["UA"],"hiring_countries":["UA"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon S3","optional":false},{"name":"Chrome DevTools","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"HAProxy","optional":false},{"name":"Jira","optional":false},{"name":"kubectl","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Nginx","optional":false},{"name":"Postman","optional":false},{"name":"Rest API","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Incident Management","optional":true}],"status":"closed","first_seen_at":"2026-09-29T11:14:46Z","employer_posted_date":null,"last_verified_at":"2026-10-30T09:41:10Z","board_verified":false,"closed_at":"2026-10-30T09:41:10Z","days_open":30,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":30},"description":"We're hiring an L2 Technical Support Engineer for a project supporting a video platform and ensuring reliable service, incident resolution, and system availability. \n\nOur customer is a technology provider developing software solutions for digital media and content-driven businesses. Its platform helps organizations manage complex digital workflows, improve service performance, and deliver reliable experiences across different environments and devices. \n\nThe project is focused on providing managed L2 technical support for a video technology platform, ensuring continuous availability and reliable service for enterprise customers. It covers production incident diagnosis and mitigation across video encoding workflows, web player integrations, and REST APIs while supporting effective escalation to engineering teams. \n\nResponsibilities: \n\nProviding L2 off-hours on-call technical support for enterprise video streaming and encoding workflows. \n\nOwning end-to-end incident lifecycle: triage, ticket logging, deep-dive root cause analysis (RCA), workaround implementation, and resolution within strict SLA targets. \n\nTroubleshooting REST API integrations: inspecting endpoints, authentication/tokens, headers, CORS preflights, and payload errors; reproducing reproducible calls via Postman/curl. \n\nDiagnosing web player issues (JS/TS) using Chrome DevTools: inspecting Console and Network tabs, analyzing buffering, verifying manifest and segment availability (HLS, DASH). \n\nValidating live streaming and encoding pipelines: verifying RTMP ingest status, encoder health, transcoding pipelines, and adaptive bitrate delivery. \n\nReading and analyzing container and service logs via Docker and Kubernetes (kubectl logs, pod/service statuses, events) across multi-cloud environments (mainly GCP). \n\nInvestigating basic network, proxy, and gateway issues (TLS certificates, HTTP/HTTPS, Nginx/HAProxy configurations). \n\nDocumenting incident progress and client communication in Zendesk/Jira, providing clear updates. \n\nEscalating complex issues to L3 engineering with well-structured context: logs, reproduction steps, working hypotheses, and collected artifacts in object storage (S3/GCS). \n\nMaintaining ticket hygiene and following handover procedures between on-call shifts. \n\nRequirements: \n\nHands-on experience in L2 Technical Support, DevOps, or Web Systems Engineering troubleshooting production environments for 2+ years. \n\nProven hands-on experience in the video streaming / OTT / media domain: troubleshooting live streaming (RTMP ingest), file-based encoding/transcoding, and delivery workflows. \n\nPractical understanding of video streaming protocols (HLS, DASH), adaptive bitrate (ABR) streaming, codecs, containers, and common playback error patterns. \n\nHands-on browser diagnostics using Chrome DevTools: inspecting Console, Network traces, CORS headers, HAR capture, and analyzing video segments/manifests and buffering issues. \n\nDeep understanding of REST API concepts, HTTP methods/headers/status codes, and hands-on API debugging (Postman, curl). \n\nStrong Linux command-line skills. \n\nPractical experience analyzing service logs and checking pod/service health in Docker and Kubernetes (kubectl). \n\nAvailability and readiness for off-hours on-call coverage (Mon–Fri 00:00–05:30 CET, Sat–Sun 24/7). \n\nLevel of English – from Upper-Intermediate and above. \n\nNice-to-haves: \n\nHands-on exposure to live video streaming workflows, RTMP ingest, HLS/DASH delivery, and common player/streaming error patterns. \n\nExperience working with cloud platforms: GCP (primary platform), AWS, or Azure (reading instance logs, cloud metrics, and storage buckets). \n\nPrior on-call / night-shift support experience and incident management discipline under strict 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