security engineer
Aug 12, 2026 · ΔΙΑΤΡΑΠΕΖΙΚΑ ΣΥΣΤΗΜΑΤΑ (ΔΙΑΣ) Α.Ε
What you'll do
- Contribute to building and maintaining technical IT and cybersecurity capabilities
- Support administration of security-focused systems like data center firewalls and privileged access management
- Assist in implementing security practices in the Software Development Life Cycle and DevSecOps
- Explore and assess innovative cybersecurity technologies
- Perform vulnerability assessments to identify technical weaknesses
- Assist in security risk analysis and recommend solutions to reduce exposure
- Contribute to audit preparation and compliance activities
- Assist in creating security processes, procedures, and performance metrics
- Collaborate with technical and operational teams to ensure security integration
Key requirements
- Knowledge of Python and programming for automation and security tools
- Familiarity with Windows and Linux operating systems
- Understanding of network security and platform security principles
- Experience or interest in authentication and authorization systems
- Exposure to application security and security frameworks
- Skills in vulnerability assessments and security risk analysis
- Knowledge of data center firewalls, web application firewalls, and privileged access management
- Familiarity with Software Development Life Cycle (SDLC) and DevSecOps
- Computer Science / Mathematics / Physics / Related fieldpreferred
Benefits
- Strong mentoring and guidance, competitive remuneration package, private health and life insurance for employee and family, children allowances, meal benefits, hybrid working model, training and development opportunities, stable and supportive working environment.
About the job
As a Security Engineer, you will join our highly skilled information security team with the mission to deliver high-quality, innovative cyber security services and solutions that reduce risk across the organization. In this role, you will receive structured mentoring, hands-on training, and exposure to enterprise-grade security technologies, building a solid foundation for a career in cybersecurity. You will gradually gain practical experience and deepen your technical expertise in multiple areas, such as network security, platform security, authentication/authorization systems, application security, and security frameworks. To succeed, you’ll need to demonstrate accountability, high motivation, a proactive attitude and a passion for rapid development in a challenging and regulated working environment.
Responsibilities
Contribute to building and maintaining the technical IT / cybersecurity capabilities necessary for safeguarding DIAS’s information systems and applications.
Support the administration of security-focused systems, such as data center firewalls, web application firewalls, database firewalls, hardware security modules, privileged access management, SMTP gateways, and managed PKI.
Assist in implementing security practices and tools throughout the Software Development Life Cycle (SDLC) / DevSecOps.
Explore and assess innovative technologies to solve daily cybersecurity challenges efficiently.
Perform vulnerability assessments to identify technical weaknesses.
Assist in the security risk analysis for current and new systems and recommend solutions for reducing exposure areas.
Contribute to audit preparation and compliance-related activities.
Assist in the creation of security processes, procedures, and performance metrics.
Work closely with other technical and operational teams to ensure effective security integration.
Requirements
Degree (or in the process of obtaining) in Computer Science, Mathematics, Physics, or a related field.
Knowledge of at least one programming language (Python preferred) for writing automation frameworks and relevant security tools
Understanding of Windows and Linux operating systems.
Passion for continuous learning and growth in cyber security
Good command of the English Language both written and oral
Excellent communication and interpersonal skills
Ability to work collaboratively in a team and independently when required
Will be considered a plus:
Certifications in Cybersecurity, Programming, or Linux administration.
Familiarity with enterprise security tools and frameworks.
Why would you enjoy working with us ?
As member of our team:
You will work in a mission-critical fintech company shaping the future of digital payments in Greece.
You will experience a workplace built on meritocracy, transparency, and recognition.
You will receive mentoring, specialized training, and certifications to boost your career development.
You will work with cutting-edge security technologies in a regulated financial environment.
What we offer:
Strong mentoring and guidance
Competitive remuneration package
Private health & life insurance plan for you and your family
Children allowances
Meal benefits
Hybrid working model
Training & development opportunities
A stable, positive and supportive working environment




