HORISEN is an international software company active in the fields of mobile telecommunications and digital marketing.

With our comprehensive cloud software solutions, we’ve become a competent and innovative partner to many mobile phone companies and marketing experts worldwide. Ever since 2001, we have been continuously recognized as market leaders in our business vertical.

As telecom and marketing experts, we specialize in enabling direct communication between brands and their clients via all kinds of mobile messages, e.g. SMS, Messenger, etc. Our software enables our customers to efficiently and reliably send billions of messages to mobile recipients worldwide. We enable communication that is targeted, secure and fast.

Location: Paraćin, Serbia, with occasional business travel to our Niš office (at least 2–4 times per month).

About the Role

We are looking for a highly organized, proactive, and detail-oriented Office Manager to ensure the smooth day-to-day operation of our Paraćin office while providing administrative and operational support to our Niš office through regular visits.
In this role, you will be a key point of contact for office operations, administrative coordination, and employee support. You will help create an efficient, welcoming, and productive work environment by coordinating internal processes, managing office facilities, and collaborating with cross-functional teams.

Responsibilities

• Oversee the daily operations of the Paraćin office and ensure its efficient functioning.
• Manage office facilities and coordinate maintenance of the workspace, office equipment, and overall work environment.
• Organize the procurement of office supplies, consumables, equipment, refreshments, and monitor related budgets.
• Coordinate with external vendors and service providers, including maintenance companies, cleaning services, courier services, catering, and other suppliers.
• Manage incoming and outgoing mail, administrative documentation, and welcome business partners and visitors.
• Organize meetings, meeting room bookings, business travel arrangements, and other administrative activities.
• Maintain employee attendance and absence records, prepare monthly timesheet reports, and administer the leave management system.
• Coordinate annual leave administration, including maintaining records and preparing the necessary documentation.
• Provide administrative support to the HR team during employee onboarding and offboarding, including onboarding communication, workspace preparation, and coordination of equipment for new hires.
• Coordinate administrative activities related to company IT equipment, including inventory management, handover procedures, and collaboration with the IT team.
• Organize internal events, celebrations, and team-building activities that contribute to a positive company culture.
• Maintain and update records related to office and IT assets, promotional materials, employee anniversaries, and other administrative data.
• Monitor office equipment needs and coordinate procurement activities with relevant internal teams.
• Cooperate with the Finance and Accounting teams regarding administrative documentation and records.
• Ensure the office complies with occupational health and safety regulations.
• Travel occasionally to the Niš office to coordinate activities, provide operational support, and handle administrative tasks.

Qualifications

• Minimum secondary education (high school diploma or equivalent).
• Previous experience in an Office Manager, Administrative Assistant, Executive Assistant, or similar administrative/operations role is preferred.
• Excellent knowledge of Microsoft Office.
• Excellent knowledge of English language, both written and spoken.
• Strong organizational, communication, and interpersonal skills.
• Ability to work independently, prioritize tasks, and solve problems efficiently.
• Experience with collaboration and productivity tools.
• High level of professionalism, discretion, reliability, and accountability.
• Valid Category B driver’s license and willingness to travel occasionally between offices.