Mellon Technologies, the parent company of Mellon Group of Companies, was founded in 1994 in Athens. Our offering consists of specialized technology solutions, contact centre and business process outsourcing services, to serve the increasing needs of financial institutions and organizations with strong consumer transactions business, such as Retail Banks, Public Utilities, Telecommunications Providers and large Private Companies.

Mellon Technologies seeks a highly organized and detail-oriented individual to join our team as an Office Manager.

The Office Manager provides essential office coordination and high-level executive support to the CEO, ensuring the smooth and efficient operation of daily activities. This role acts as a key point of contact, facilitating effective communication and supporting strategic initiatives across the organization. Rather than focusing on people management, the position emphasizes exceptional organization, professionalism, and a proactive approach, contributing to a well-structured office environment that reflects our Greek roots while operating within an international business culture.

Responsibilities

• Oversee the CEO’s schedule, meetings, agendas, and follow-ups to ensure effective communication and alignment throughout the organization.
• Support the planning, monitoring, and organization of key initiatives by overseeing deadlines, milestones, and potential risks.
• Prepare and arrange briefing documents, correspondence, presentations, and talking points for both internal and external stakeholders while upholding strict confidentiality.
• Manage the daily operations of the CEO’s office, ensuring a well-organized, efficient, and professional work environment.
• Create and maintain straightforward dashboards or tracking tools that clearly outline priorities, projects, and timelines.
• Coordinate travel, accommodation, and meeting logistics as necessary.
• Serve as a primary point of contact between the CEO’s office and internal teams, clients, and external partners.
• Compose, review, and enhance written communications to ensure clarity, consistency, and professionalism.
• Facilitate cross-department collaboration and assist with internal communications, updates, and initiatives led by the CEO.

Requirements

• Minimum of 3–5 years’ experience as a Personal or Executive Assistant supporting C-level executives; experience in a multinational or technology-driven environment is a plus.
• Bachelor’s degree preferred (e.g. Business Administration or a related field).
• Strong organizational, planning, and multitasking skills with a high level of attention to detail.
• Proactive, reliable, and courteous, with consistent follow-through.
• High level of discretion and integrity when handling confidential information.
• Fluent in Greek and English, both written and verbal.
• Proficient in Microsoft Office or Google Workspace, including calendar management and scheduling tools.
• Adaptable, with strong problem-solving abilities.

Benefits

• Opportunities to evolve into an international hyper-technological working environment, where innovative ideas flourish and collaboration transcends geographical boundaries.
• A multicultural and excellent working environment allowing team members from various backgrounds to bring their unique perspectives and experiences to the table.
• Access to leading-edge technology that empowers you to leverage the latest advancements in the field, enhancing your skills and enabling you to contribute to groundbreaking projects.