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Sebastián Martínez

@sebastinmartnez2

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I lead recruitment operations, improve workflows, and strengthen client retention across construction hiring.

Colombia

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What I'm looking for

I'm seeking opportunities to strengthen my strategic leadership and project management expertise while leading operational improvement, recruitment, and cross-functional teams.

I'm leading recruitment operations at Contractor Staffing Source, managing full-cycle hiring for Canadian and U.S. construction clients. I partner with hiring managers on workforce needs, oversee remote support staff, and improved client retention by 25% through proactive communication and strategic support.

I built an automated Google Sheets system for candidate assessment tracking, replacing manual workflows with standardized scoring and more data-driven hiring decisions. I also monitor recruitment KPIs, pipeline performance, and team productivity to identify and act on improvement opportunities.

Earlier, I coordinated high-volume logistics operations at Lean Solutions Group, processing more than 400 invoices daily, and improved document retrieval time by 40% at GIAR Project. Across administration, logistics, and recruitment, I've focused on clearer processes, stronger collaboration, and practical documentation that helps teams scale.

Experience

Work history, roles, and key accomplishments

Current

HR Account Manager

Current

Contractor Staffing Source

Jul 2025 - Present (1 year 3 months)

Lead full-cycle recruitment for Canadian and U.S. construction clients, supervise a remote recruitment team, and monitor KPIs. Developed an automated tracking system that improved client retention by 25%.

Full cycle Recruitment Customer Relationship Management Team Leadership KPI Monitoring Google Sheets Process Improvement ATS Management

HR Administrative Assistant / Pipeline Support

Contractor Staffing Source

Jul 2024 - Jul 2025 (1 year)

Conducted candidate sourcing, pre-screening, and initial interviews for construction and skilled trade positions. Managed job postings and maintained candidate records in the ATS.

Candidate Sourcing Pre screening Interview Coordination ATS Management Recruitment Pipeline Administrative Support

Logistics Coordinator

Lean Solutions Group

Jan 2022 - Jul 2024 (2 years 6 months)

Coordinated logistics and administrative operations in a high-volume environment, processing over 400 invoices per day. Collaborated with cross-functional teams to resolve issues and improve service delivery.

Logistics Coordination Invoice Processing Data Accuracy Process Improvement Cross Functional Collaboration Reporting

Administrative Assistant / Document Management

GIAR Project

Jan 2020 - Jan 2022 (2 years)

Managed confidential academic and research documentation, ensuring data integrity and regulatory compliance. Digitized document repositories and improved retrieval time by 40%.

Document Management Data Integrity Regulatory Compliance Digitization Record keeping Administrative Support