We are seeking a detail-oriented Senior Accountant to join our finance team at Sphynx. The successful candidate will play a crucial role in managing financial records, ensuring compliance with regulations, and providing accurate financial reporting to support strategic decision-making. This role requires a high level of expertise in accounting principles, excellent analytical skills, and the ability to work effectively in a fast-paced environment.
Key Responsibilities- Accounting entries and month-end closing procedures
- Preparation and submission of tax declarations (VAT, income tax, withholding taxes, etc.), as well as monitor and manage MYDATA
- Assist with tax audits and manage ad-hoc tax issues with external consultants
- Bank reconciliations and reconciliation of subsystems (fixed and intangible assets, customers, suppliers, receivables, payables)
- Ensuring clients’ compliance with tax laws, regulatory provisions, and accounting standards
- Participate in the monthly financial closing process, ensuring all financial transactions are properly recorded, reviewing journal entries, account balance reconciliations.
- Continuous update and in-depth knowledge of all changes in tax legislation
- Active participation in ERP future integration and implementation
- Develop and document business processes and accounting policies to maintain and strengthen internal controls;
- Payroll knowledge will be considered as an asset
RequirementsQualifications
- BSc or MSc in Accounting, Finance, or Business Administration
- 5–7 years of relevant work experience (preferably)
- Strong knowledge of bookkeeping, accounting principles, laws, and regulations
- Familiarity with Greek GAAP and IFRS
- Solid experience in year-end procedures and preparation of Financial Statements
- Excellent knowledge of accounting software such as Epsilon Net, SoftOne, Entersoft, Pylon.
- Excellent command of MS Office, especially Excel, and internet proficiency
- Excellent command of English
- Certification from SOEL or ACCA or other professional body will be highly valued
- Ability to effectively coordinate company departments
- Reliability, integrity, professionalism, flexibility, and a collaborative spirit
- Excellent interpersonal skills, ability to work effectively both within a team and independently
- High-quality execution of responsibilities in terms of time, efficiency, and budget
- Ability to work under pressure, attention to detail while maintaining a broader perspective
- Experience in handling complex accounting processes
Benefits
- Competitive remuneration based on skills, experience and motivation
- Opportunities to grow within a fast-moving organization
- An open and collaborative environment
We are a research-driven cybersecurity technology company founded in Switzerland and expanded across Cyprus and Greece, delivering comprehensive solutions for cyber risk management.
We specialize in cybersecurity technology, bringing cutting-edge research developed through more than 50 EU R&D projects with the needs of our clients.
We stand for excellence, innovation, integrity, and expertise. We value people who are authentic, respectful, and eager to make a difference in protecting the most valuable resource of modern organizations: their data.
Why Join UsAt our company, you'll be part of a team that transforms cutting-edge research into real-world solutions that protect organizations globally. We offer an environment where your expertise can flourish, your ideas matter, and your work directly contributes to making the digital world safer.
We believe in fostering talent, encouraging innovation, and building careers that make a meaningful impact in cybersecurity.
Top Skills
What We Do
SPHYNX offers products and solutions, and consulting services, in the areas of cyber intelligence, analytics, incident response, assurance, and certification.
We provide customised and continuous security and privacy assessment solutions, covering the full range of socio-technical aspects of a modern enterprise, for internal risk management and/or external security audit and certification. Our solutions are based on our novel security assurance and certification platform and its advanced analytics and cyber intelligence.
In addition, its consulting services, SPHYNX has expertise in providing customized solutions depending on client needs as well as more general training on analytics, security assessment and certification and cyber intelligence.








