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Senior BI Engineer - (Quicksight, Data Modeling and AWS Data Stack)

We are looking for a Senior BI Engineer - Quicksight with strong data modeling experience, and owning and rebuilding the manufacturing reporting layer, ensuring accurate, trusted, and automated operational reporting. The ideal candidate will work closely with operations, software engineering, and data engineering teams to validate business metrics, redesign datasets, and deliver scalable QuickSight dashboards.

Key Responsibilities

Strong data modeling experience, including designing fact and dimension schemas from business requirements and creating intuitive data models for business users.Designing the data model. Identify a sensible, simple model (fact and dimension tables) that would yield those dashboardsAssess existing QuickSight dashboards, Athena/Redshift datasets, and reporting workflows.Analyze and resolve data quality and reporting discrepancies.Validate KPIs and business metrics with operations stakeholders.Rebuild and optimize the reporting layer from source tables through dashboards.Develop and automate WBR/MBR dashboards using Amazon QuickSight.Work with AWS data platforms including Athena, Redshift, S3, Glue, and PySpark.Implement reporting logic for calendars, shifts, utilization, throughput, cycle times, on-time delivery, yield, and backlog metrics.Create self-service datasets, templates, and documentation for business users.Support future analytics, data, and automation initiatives.

Required Skills

10 years of experience in BI, Analytics Engineering, or Data Engineering.Experience owning the reporting layer end-to-end, from source data through dashboards.Strong SQL expertise, including complex joins, window functions, and performance tuning.Hands-on experience with Amazon QuickSight (SPICE, calculated fields, row-level security, dashboards).Strong AWS experience with Athena, Redshift, S3, Glue, and PySpark.Python/PySpark experience for data validation, profiling, and transformation.Experience working with operational, manufacturing, supply chain, logistics, or production data.

Preferred Skills

Manufacturing, MES, ERP, or shop-floor analytics experience.Experience supporting WBR/MBR reporting and KPI frameworks.Knowledge of operational metrics such as utilization, throughput, downtime, cycle time, yield, and on-time delivery.

GCS is acting as an Employment Business in relation to this vacancy.

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Senior Fiber Engineer

Work Mode: Remote
Contract: 12+ Months

We're looking for an experienced Fiber Engineer to support fiber network testing, troubleshooting, and remediation efforts across ISP and OSP environments. The ideal candidate will have a strong background in OTDR analysis, fiber characterization, bidirectional testing, and fusion splicing, with the ability to identify and resolve fiber-related network issues in both field and lab environments.

ResponsibilitiesPerform OTDR testing and analyze results to identify faults, splice loss, bends, and attenuation issuesConduct fiber characterization, CD/PMD testing, bidirectional testing, and power/loss testingTroubleshoot fiber network performance issues and recommend corrective actionsPerform fusion splicing, fiber repairs, and remediation activities as neededCreate and maintain test reports, redline documentation, and demarcation mapsCollaborate with vendors, project managers, and internal teams to support project deliveryTravel to customer sites to perform testing, validation, and remediation activitiesRequirements5+ years of experience in Fiber Optics, Telecommunications, or a related fieldExperience working with ISP and OSP fiber networksHands-on expertise with OTDR testing, analysis, and troubleshootingExperience with CD/PMD testing, bidirectional testing, and power meter/laser testingKnowledge of fusion splicing, fiber restoration, and remediation practicesExperience with fiber end-face inspection and cleaning proceduresProficiency in Microsoft Word and ExcelStrong communication, documentation, and problem-solving skillsAbility to travel as requiredMust-Have ExperienceFiber TestingOTDR Analysis & TroubleshootingISP/OSP Fiber NetworksFiber CharacterizationTelecommunications Environments

If you're passionate about fiber network performance, testing, and troubleshooting and enjoy working in both remote and field-based environments, we'd love to hear from you.

GCS is acting as an Employment Business in relation to this vacancy.

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