{"id":3893082,"url":"https://alion.io/job/s-i-systems-senior-bi-developer-data-analyst-7-10-years","title":"Senior BI Developer / Data Analyst (7–10 years)","company":{"id":3865830,"name":"S.i. Systems","domain":"sisystems.com","url":"https://alion.io/company/sisystems-2","size_band":"1001-5000","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"Analytics","role_family":"Analytics","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"Power BI","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-06T09:16:24Z","employer_posted_date":null,"last_verified_at":"2026-11-06T09:16:24Z","board_verified":false,"closed_at":null,"days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"Our financial services client is seeking a Senior BI Developer / Data Analyst (7–10 years) to deliver Power BI paginated reports and interactive dashboards using Power BI Report Builder, SQL, and DAX\n\nJoin a strategic reporting transformation within a Risk Intelligence Office, where back-end data changes are reshaping enterprise reporting. This role updates and develops Power BI solutions, authors data transformation mappings, validates data via advanced SQL, and supports integration into the central reporting platform, RDAL. Expect hands-on ownership of complex paginated reports and interactive dashboards with end-to-end BI delivery across requirements, development, testing, deployment, and stakeholder sign-off. The engagement offers strong visibility with technology partners and stakeholders, with potential for extension based on project needs.\n\nContract, Hybrid Monday First Friday\n81 Bay Street\n6 months\n\nMust Haves:\n7-10 years of hands-on BI development experience, including responsibility for complex enterprise reporting solutions.\nAdvanced Power BI development experience, including interactive dashboards and reports.\nAdvanced experience with Power BI Report Builder and paginated reports, including complex parameters, grouping, page breaks, visibility rules, RDL expressions, scope arguments, and pixel-perfect formatting.\nAdvanced SQL skills for complex querying, data extraction, transformation validation, reconciliation, troubleshooting, and reporting.\nAdvanced DAX and Power Query experience.\nExperience deploying and managing reports in Power BI Service, including gateways and report performance troubleshooting.\nDemonstrated understanding of data models, ETL concepts, and data transformation logic.\n\nNice to Have:\nPrevious experience supporting enterprise-scale data or reporting transformation initiatives.\nExperience integrating reporting data from multiple source systems.\nExperience working with centralized reporting or analytical data platforms such as RDAL.\nExperience in financial services or another highly governed enterprise environment.\nFamiliarity with data governance, controls, reconciliation, and reporting-quality practices.\nExperience working closely with separate data-modelling and ETL development teams.\n\nResponsibilities\nDesign and develop complex static and paginated reports using Power BI Report Builder\nDevelop interactive Power BI dashboards using advanced functionality\nImplement cascading report parameters mapped to source SQL queries\nCreate custom RDL expressions, including expressions that use scope arguments\nManage paginated reports in Power BI Service, including gateway assignment and configuration\nUse advanced SQL for data extraction, transformation validation, reconciliation, and reporting support\nCreate and maintain mapping documents defining data transformation logic, source-to-target relationships, calculations, and reporting definitions\nDisclaimer:\nAI may be used in evaluating candidates.\nThis posting is for an existing vacancy.","description_format":"text","description_chars":3011,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-06T22:10:45Z"}],"visa":[],"liveness":{"score":60,"band":"ok","label":"Likely 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