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Nuria Flengas Serrano

@nuriaflengasserrano

I build scalable people operations, onboarding, and development programs that strengthen employee experience and business growth.

Spain

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What I'm looking for

I'm looking to partner with managers and international teams to improve employee experience, strengthen people processes, and support organizational growth through practical, data-informed HR solutions.

At ARRK Engineering, I partner with managers and employees across the Madrid office to deliver HR guidance, employee lifecycle support, and talent development in collaboration with HR teams in Germany.

Previously at Investing.com, I led cross-functional People projects and redesigned onboarding for international teams, reducing new-hire ramp-up time by 30% through stronger documentation, learning milestones, and manager coordination.

At Menu Technologies, I built a global knowledge-management framework and practical learning resources using Jira and Confluence, reducing support requests by 25%. At Subway Iberia, I supported more than 40 franchise locations and helped increase employee retention by 18% through structured onboarding, training, and manager support.

I bring experience across employee relations, performance management, HR operations, organizational change, workforce planning, and reporting. I enjoy building practical, people-centered processes that help international teams work consistently and grow together.

Experience

Work history, roles, and key accomplishments

Current

HR Business Partner & Talent Development Lead

Current

ARRK Engineering

Jan 2025 - Present (1 year 9 months)

Partner with managers and employees across the Madrid office, providing HR guidance and operational support throughout the employee lifecycle. Coordinate onboarding, employee development, and HR administration in collaboration with the HR team in Germany.

Employee Relations Onboarding HR Administration Policy Implementation Employee Engagement Talent Development Stakeholder Management

HR Business Partner

Investing.com

Jan 2023 - Jan 2025 (2 years)

Led cross-functional People projects for international teams, acting as the main point of contact between managers, Finance, IT, and business stakeholders. Redesigned the onboarding process to accelerate new hire integration and reduced ramp-up time by 30%.

Onboarding Process Improvement Stakeholder Management People Operations Educational Initiatives Cross Functional Collaboration

Knowledge Management & Operations Specialist

Menu Technologies

Jan 2021 - Jan 2023 (2 years)

Designed a global knowledge management framework to improve learning, autonomy, and operational consistency across distributed teams. Reduced support requests by 25% through standardized documentation and training.

Knowledge Management Training Jira Confluence Documentation Process Improvement Stakeholder Collaboration

HR Business Partner - Franchise Operations

Subway Iberia

Jan 2014 - Jan 2021 (7 years)

Supported a network of more than 40 franchise locations, partnering with franchisees and managers on recruitment, onboarding, training, performance, and labour compliance. Increased employee retention by 18% through structured onboarding and manager support.

Recruitment Onboarding Training Performance Management Labor Compliance Dashboard Reporting Workforce Planning

Employee Onboarding & HR Operations Specialist

IBM

Jan 2011 - Jan 2014 (3 years)

Coordinated regional onboarding initiatives in multicultural environments, ensuring a smooth integration experience for new employees. Improved time-to-productivity by 20% through more structured onboarding and integration processes.

Onboarding HR Operations Employee Development Reporting Compliance Change Management