Data Entry & Administrative Support Specialist
Resume:
KONSTANTINOS GIAMALIS
Data Entry Specialist Administrative Support
Ptolemais, 50200 Greece (Remote Ready) • 694-***-**** • **********@*****.*** PROFESSIONAL SUMMARY
Meticulous and detail-oriented professional with over 4 years of experience in data management, customer operations, and administrative support. Proven track record of accurately entering, updating, and maintaining critical information within CRM systems and internal databases while strictly adhering to data integrity and confidentiality standards. Adept at managing high-volume workloads in fast-paced environments, ensuring maximum efficiency, speed, and data quality.
CORE SKILLS
Data Management High-accuracy data entry, account updates, database research, information logging, and data verification.
Software & Tech Proficient in CRM software, client management databases, computer dialing systems, and digital office tools.
Administrative Payment processing, appointment scheduling, billing coordination, and digital record keeping.
Technical Support 1st level technical assistance, POS terminal troubleshooting, connectivity support, and software updates.
Soft Skills Exceptional attention to detail, strong time management, remote team adaptability, confidentiality, and resilience.
WORK HISTORY
Customer Support Agent (Alpha Bank Credit Card Department) — Mellon Technologies
2024-06 – 2025-12
Managed and processed sensitive customer data for Alpha Bank's credit card department, maintaining the highest standards of data security and confidentiality. Executed digital account updates, card activations, and database modifications with a strict focus on information accuracy.
1st Level Technical Support POS (Cardlink) — CQS 2024-03 – 2024-05 Provided first-level technical assistance and phone troubleshooting for Cardlink POS terminals to ensure continuous merchant operations.
Logged technical issues, solution outcomes, installation processes, and software update histories into the centralized support database.
Customer Care Agent — BFS Group 2022-01 – 2024-03
Logged comprehensive call information, customer queries, and resolution data into the internal database with speed and high accuracy.
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Processed a high volume of customer requests and commercial orders daily, ensuring seamless data flow and systematic organization.
Sales Associate — Teleperformance 2021-02
Professionally managed and resolved complex customer challenges under busy, high-stress situations. Utilized internal enterprise software to track customer requirements and deliver targeted product and service options.
Sales Associate — Quality SA Past Role
Engaged with clients using structured communication tactics to build rapport, customer loyalty, and long- term relationships.
Educated customers on promotional offerings and cross-referenced account eligibility using proprietary systems.
Telesales Agent — Energa SA Past Role
Systematically recorded and updated contact profiles, customer interactions, and pipeline data within the internal CRM database.
Operated client management software and high-volume automated computer dialing systems daily to execute outreach activities.
EDUCATION
High School Diploma — High School - Zagkliverion Completed
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