Your Tasks You provide valuable support for your colleagues in both national and international projects. You take on research tasks and assist in reviewing customer requirements to ensure effective and solution-oriented service. Together with your colleagues, you work on projects to integrate activities and requirements. You advise our customers and internal departments providing support to the best of your ability. Your Profile Your Know-how Interested in information security with a solid understanding of key concepts Passionate for customer consulting and customer orientated project management General basic knowledge of IT Very good written and spoken German and English skills   Your Personality Customer- and service-orientated mindset Excellent teamwork and communication skills High level of willingness to learn and self-motivation Structured and independent way of working We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks As a Cyber Security Specialist (m/f/d) you are an important part of our Offensive Security Team. You will be responsible to conduct targeted security analyses, penetration tests or red team engagements (adversary simulations) and attack our customers' systems and networks. The following activities are within your area of responsibilities: Understanding of current cyber threats and the ability to identify and exploit vulnerabilities. Gaining knowledge of attack techniques (TTPs) from advanced threat actors and implementing the latest attack methods, as well as automating test cases. Presenting technically complex attacks and vulnerabilities in a comprehensible way and providing our customers with solutions to protect against cyber-attacks. Actively shaping the development and evolution of the DTS Red team, continuously sharing knowledge with your colleagues to improve the quality of our services. Researching topics and working on the latest concepts such as evasion techniques, malware execution or lateral movement for successful Red and Purple team assignments. Your Profile Experience with Penetration Testing, Red Team Assessments or similar Offensive Security related work. Good knowledge on networks, applications, Active Directory and operating systems (Microsoft and/or Linux). Keen interest in Offensive Security tools and control frameworks. Creative, good analytical skills and an attacker-like mindset. Familiarity with the basics of a programming/scripting language. Excellent communication skills with an ability to explain complex security issues to technical and non-technical audiences. We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks As a Cyber Security Specialist (m/f/d) you are an important part of our Offensive Security Team. You will be responsible to conduct targeted security analyses, penetration tests or red team engagements (adversary simulations) and attack our customers' systems and networks. The following activities are within your area of responsibilities: Understanding of current cyber threats and the ability to identify and exploit vulnerabilities. Gaining knowledge of attack techniques (TTPs) from advanced threat actors and implementing the latest attack methods, as well as automating test cases. Presenting technically complex attacks and vulnerabilities in a comprehensible way and providing our customers with solutions to protect against cyber-attacks. Actively shaping the development and evolution of the DTS Red team, continuously sharing knowledge with your colleagues to improve the quality of our services. Researching topics and working on the latest concepts such as evasion techniques, malware execution or lateral movement for successful Red and Purple team assignments. Your Profile Experience with Penetration Testing, Red Team Assessments or similar Offensive Security related work. Good knowledge on networks, applications, Active Directory and operating systems (Microsoft and/or Linux). Keen interest in Offensive Security tools and control frameworks. Creative, good analytical skills and an attacker-like mindset. Familiarity with the basics of a programming/scripting language. Excellent communication skills with an ability to explain complex security issues to technical and non-technical audiences. We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks As an IT Teaching Expert (m/f/d) you play a key role with the training and development of our employees up to the standards of DTS. Your expertise will bring the best out of new talents through our Trainee Programs to develop them into IT professionals. The following activities are within your area of responsibility. Designing and developing courses in the field of IT with a focus on OS, Networking, Productivity Systems, Basic Security, Virtualization, Backup, Identity and Authentication. Bridging the gap between academia and industry, ensuring that the theory is applicable and relevant to the real-world. Creating workshops and assessments to identify new talents. Assessing and reporting the progress of trainees. Offering guidance and support to new employees, trainees and interns. Working closely with other teams on projects that require your expertise. Your Profile First teaching exposure or experienced with teaching at a higher education institution in IT or related subjects. Familiar in creating syllabus for courses, lectures or labs in IT or related subjects. Flexible in adjusting teaching methods to different learning styles. Excellent communication and interpersonal skills in English and Greek. Passionate for teaching with great mentoring and coaching abilities to help others grow. Strong teamwork skills and proficient in collaborative planning. We Offer Flexible working hours in accordance with your institution. 30 days of vacation for full time employment (adjusted for part-time accordingly) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period. Go for EAT - Ticket restaurant card. Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency. Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks As a Technical Training Specialist (m/f/d) you are a key part in shaping and building the foundation of DTS's future vision. You will be responsible of our Trainee Programs, supporting new hires and developing raw talent into IT professionals. The following activities are within your area of responsibility. Planning, preparing and delivering courses in the field of IT with a focus on OS, Networking, Productivity Systems, Basic Security, Virtualization, Backup, Identity and Authentication. Assessing and reporting the progress of trainees. Offering guidance and support to new employees, trainees and interns. Conducting workshops to familiarize new hires with the company's tools, systems, and workflow. Designing and implementing workshops and bootcamps to identify talents. Working closely with other teams on projects that require your expertise. Your Profile Completed studies in IT or professional experience in IT-related positions. Experience in teaching, training or coaching individuals in IT-related subjects. Excellent communication and interpersonal skills, with the ability to convey complex technical concepts in a clear and understandable manner. Ability to think in a conceptual, holistic and strategic way to design and implement engaging and effective training programs. Passionate for teaching with excellent mentoring and coaching abilities to help others grow. Strong teamwork skills and proficient in collaborative planning. We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks IT Specialist (m/f/d) in the field of Linux for us and our clients Operating cloud infrastructures for our national and international customers Construction, development, maintenance, and operation of our IT infrastructure with a focus on Red Hat/CentOS and Debian/Ubuntu Design, installation, and support of Linux-based and heterogeneous environments Management and expansion of data center structures Support and close collaboration with Windows administration   Your Profile Your Know-how Experience in system administration in Linux (minimum 1 year) Knowledge of automation and container virtualization is desirable (e.g., Ansible, Kubernetes, and Docker) Good English language skills advantageous for communication with colleagues from other European countries   Your Personality Strong teamwork and communication skills High level of willingness to learn and customer orientation Structured and independent work approach   We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks IT Specialist (m/f/d) in the field of Linux for us and our clients Operating cloud infrastructures for our national and international customers Construction, development, maintenance, and operation of our IT infrastructure with a focus on Red Hat/CentOS and Debian/Ubuntu Design, installation, and support of Linux-based and heterogeneous environments Management and expansion of data center structures Support and close collaboration with Windows administration   Your Profile Your Know-how Experience in system administration in Linux (minimum 1 year) Knowledge of automation and container virtualization is desirable (e.g., Ansible, Kubernetes, and Docker) Good English language skills advantageous for communication with colleagues from other European countries   Your Personality Strong teamwork and communication skills High level of willingness to learn and customer orientation Structured and independent work approach   We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks Conception, installation and operation of customer environments in the data center/cloud area and of internal infrastructures Operating cloud infrastructures for our national and international customers Taking on tasks in the areas of networks, virtualization, storage, operating systems and cloud services Reinforcement of our support team in operating complex server landscapes in our data centers Working across teams and locations, e.g. with our Cyber Security or Data Center team Your Profile Your Know-how Completed studies in IT and professional experience in comparable positions (2 years or more) For Junior-level applicants: Completed studies in IT or first professional experiences in IT Support Good knowledge of system administration (Linux and/or Microsoft) Interest in the latest technologies in network/virtualization, storage, automation and cloud services Fluency in written and spoken English Basic knowledge of Citrix is desirable   Your Personality Strong team and communication skills Willingness to learn Customer orientation Self-dependent way of working Good sense of orientation in different infrastructures   We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks Conception, installation and operation of customer environments in the data center/cloud area and of internal infrastructures Operating cloud infrastructures for our national and international customers Taking on tasks in the areas of networks, virtualization, storage, operating systems and cloud services Reinforcement of our support team in operating complex server landscapes in our data centers Working across teams and locations, e.g. with our Cyber Security or Data Center team Your Profile Your Know-how Completed studies in IT and professional experience in comparable positions (2 years or more) For Junior-level applicants: Completed studies in IT or first professional experiences in IT Support Good knowledge of system administration (Linux and/or Microsoft) Interest in the latest technologies in network/virtualization, storage, automation and cloud services Fluency in written and spoken English Basic knowledge of Citrix is desirable   Your Personality Strong team and communication skills Willingness to learn Customer orientation Self-dependent way of working Good sense of orientation in different infrastructures   We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages

Your Tasks As a Cyber Security Administrator (m/f/d) you are an important part of our international Cyber Security Operations Team. You will be responsible for maintaining our own as well as the multi-facetted security landscape of our customers, which also includes the operation of our managed security services. The following activities are within your area of responsibility: Administration and operation of security solutions, such as next generation firewalls, email security gateways, endpoint protection and vulnerability management Handling maintenance tasks such as patchdays on a regular basis to make sure we are as resilient as possible concerning the availability of our services Help customers with implementing planned changes to their security infrastructure Making sure monitoring includes all relevant services and constantly reviewing room for improvement Keeping all relevant documentation up to date and helping in constantly extending our internal knowledge base Assist in constantly developing our automation platform Your Profile Your Know-how Strong interest in Cyber Security topics Optional: You have basic knowledge about security systems (firewalls, email security gateways, endpoint protection, vulnerability management) Completed studies in IT or comparable professional experience Fundamental IT knowledge in networking administration and operating systems Basic knowledge of Active Directory, backup strategies and virtualization platforms Ideally automation experience with tools like Ansible to streamline tasks and enforce consistent configurations Good to have: You bring experience in comparable positions, such as Network Administrator, Network Security Administrator, Systems & Network Administrator, Systems Administrator etc Solid knowledge of English   Your Personality Strong team spirit and enjoying international as well as virtual cooperation Systematic way of thinking to get an overview of complex structures High willingness to learn because Cyber Security is constantly evolving Independent and careful way of working Customer- and service-oriented methods of operation We Offer 30 days of vacation (regardless of the length of service) Private health insurance for our employees and their dependents (spouse/children) In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period Go for EAT - Ticket restaurant card Modern hybrid way of working, characterized by flexible working arrangements Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency Continuous opportunity for personal and professional development and learning Personal company hardware Free snacks and beverages