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Efstathia Karakosta

@efstathiakarakosta

HR systems specialist driving automation, analytics and improved employee experience.

Greece
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What I'm looking for

I am seeking an HR-systems-focused role where I can lead HRIS improvements, automate processes, deliver analytics, and collaborate cross-functionally in a growth-oriented, technology-forward team.

I am a proactive HR systems specialist with over five years' experience delivering HR operations, system administration and process improvement across fast-paced environments. I design and implement workflows, automate manual processes and produce HR MI to support data-driven decisions.

At City Facilities Management I led system configuration, supported a migration to iTrent, reduced support queries through training and self-service improvements, and automated onboarding/offboarding using IRIS Cascade HR and Power Automate. I collaborate closely with Payroll, Benefits, IT and HR teams to optimise processes and ensure data integrity.

I hold an MSc in Human Resources Management and bring technical curiosity—basic knowledge of VB, SQL, Python, JavaScript, HTML and CSS—plus advanced language skills in Greek, English, Spanish and French. I am adaptable, a quick learner and passionate about scalable HR technology solutions.

Experience

Work history, roles, and key accomplishments

CM

HR System Administrator

City Facilities Management

May 2021 - Jul 2021 (2 months)

Managed system mailbox and user access, conducted system audits to ensure data integrity, and served as first-line troubleshooting contact while supporting project implementations with the system provider.

CM

HR Onboarding Administrator

City Facilities Management

Oct 2020 - May 2021 (7 months)

Delivered end-to-end onboarding including offer packs, contracts, pre-employment checks and HR system setup, ensuring accuracy and fast turnaround while supporting recruitment activities and vacancy management.

Education

Degrees, certifications, and relevant coursework

Glasgow Caledonian University logoGU

Glasgow Caledonian University

Master of Science, Human Resources Management

Grade: Merit

Completed MSc in Human Resources Management with Merit, focusing on HR systems and management.

International Hellenic University logoIU

International Hellenic University

Master of Science, Business Administration

Grade: Merit

Completed MSc in Business Administration with Merit, covering advanced business and management topics.

National and Kapodistrian University of Athens logoNA

National and Kapodistrian University of Athens

Bachelor of Science, Primary Education

Grade: Distinction

Earned BSc in Primary Education with Distinction, preparing for a professional teaching career.

Tech stack

Software and tools used professionally

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Efstathia Karakosta - Senior HR System Administrator - City Facilities Management | Himalayas