Dimitrios Papadimas's CV

Experience

Led and successfully achieved Cyber Essentials certification for the organization.
Played a key role in integrating OWASP ZAP as a Dynamic Application Security Testing (DAST) tool into the CI/CD pipeline, enhancing the security posture of our products.
Contributed significantly to the Vulnerability Management of products using DefectDojo, ensuring a proactive and effective approach to addressing vulnerabilities.
Assisted in the strategic implementation of issuing Software Bill of Materials (SBOM) and Vulnerability Exchange (VEX) statements, demonstrating a commitment to transparency and security best practices.

Created a bash script tool that automates the security auditing of tomcat server based on CIS Apache Tomcat 9 Benchmark v1.2.0.
Built a Vulnerability Visualisation solution through Grafana in which, with charts and dashboards, one could easily and quickly get an accurate picture of the state of vulnerabilities in the various branches of the company’s products. The data were collected from Defect Dojo which was used as a Vulnerability Management System.
Conducted research and analysis to assess the company’s readiness for certification under the NCSC Cyber Security Consultancy assurance scheme.
Contributed to daily operational activities within DevSecOps tools, including Defect Dojo and Dependency Track.

Implemented and managed a comprehensive validation environment for embedded devices, overcoming challenges such as organizing per version and handling various hardware configurations.
Set up a dedicated network infrastructure to facilitate seamless communication and benchmarking tests with mobile devices.
Optimized deployment process by implementing parallel practices, reducing installation time by 30% for a large group of embedded devices.
Automated system availability checks using Zabbix, enhancing monitoring capabilities and ensuring proactive identification of potential issues.
Provided technical support to major Telecommunication Service Providers, analyzing abnormal benchmarking results on their mobile networks and the stability of our embedded device.

Collaborated in optimizing the connectivity between the C++ application and the Clickhouse database, enhancing data retrieval and storage efficiency.
Developed multiple validation scripts to ensure the accuracy and reliability of the software.

Completed mandatory military service, fulfilling assigned responsibilities and duties.
Assisted at computerized management of the Supreme Sports Council of the Armed Forces.
Participated in the Precision Movements Platoon, an armed drill team during the recruitment training, showcasing discipline and precision in drill exercises.

Provided expert assistance to clients in resolving networking issues, specifically ADSL and VDSL connectivity problems.
Supported customers in troubleshooting and resolving satellite connection issues, ensuring seamless and reliable communication.