TOP RATED
ISO 27001 Lead Auditor | HSMs, PKI and Information security expert | Software Developer and Architect | Smartcards Developer
- Verfügbarkeit einsehen
- 5 Referenzen
- auf Anfrage
- 8045 Graz, 12. Bezirk: Andritz
- auf Anfrage
- hr | en | de
- 16.03.2026
- Contract ready
Kurzvorstellung
Auszug Referenzen (3)
"Great work on a hardened system for Key Management System, M. provided an architecture matching our business cases and most relevant technology"
6/2024 – 11/2025
Tätigkeitsbeschreibung
Consulting in the area of KMIP and HSMs (Utimaco ESKM, Thales CipherTrust Manager)
Requirements engineering and market analysis
Hardware and software integration (KMIP, HSM)
Architecture and design of a QKD Key Management System (Quantum Key Delivery)
Development of a Proof of Concept (Python, microservices)
IT Sicherheit (allg.), Kryptographie, Python-Programmierer, Software Architecture
"Die Zusammenarbeit mit Herr S. war stets professionell, zuverlässig und lösungsorientiert. HSM init, integration, security logging, dashboards etc"
10/2022 – 2/2026
Tätigkeitsbeschreibung
- Administration, operation and maintenance of Utimaco HSMs
- Preparation and documentation of HSM operational processes
- Providing technical support to Software development team on HSM integration topics
- Consulting and support in preparation of monitoring concepts
It-Beratung, IT Sicherheit (allg.), Kryptographie
".NET C#
MS SQL
HSM
Key management"
12/2012 – 12/2016
Tätigkeitsbeschreibung
Software design and development of Key Management System; C#/.NET, Web Services, MS SQL.
Customization of IC Secure Elements (Global Platform).
Key Management and HSM administration.
C#, Software Architecture, SQL
Geschäftsdaten
Qualifikationen
Projekt‐ & Berufserfahrung
12/2025 – 1/2026
Tätigkeitsbeschreibung
PKCS#11 communication with HSM for the required cryptographic operations;
Proof of concept in C#, full handshake with interoperability tests
Test environment preparation
Documentation (implementation details, detailed flowcharts, constraints, test strategy and results)
Post Quantum Cryptography (ML-KEM, FIPS203, Kyber, AEAD)
HSM Integration – migration from BouncyCastle to PKCS#11 (HSM)
C# Developer, Kryptographie
6/2024 – 11/2025
Tätigkeitsbeschreibung
Consulting in the area of KMIP and HSMs (Utimaco ESKM, Thales CipherTrust Manager)
Requirements engineering and market analysis
Hardware and software integration (KMIP, HSM)
Architecture and design of a QKD Key Management System (Quantum Key Delivery)
Development of a Proof of Concept (Python, microservices)
IT Sicherheit (allg.), Kryptographie, Python-Programmierer, Software Architecture
9/2023 – 1/2024
Tätigkeitsbeschreibung
Architecture and design of a PKI system (EJBCA, KeyFactor Command, Intune, Smartcards Integration)
Preparation of detailed implementation plans
System Installation and configuration
Preparation of technical and operational documentation
Preparation of test environment; support in preparing test concept
Preparation of monitoring and alerting concepts
System Architektur, System Design, Systems Engineering
10/2022 – 2/2026
Tätigkeitsbeschreibung
- Administration, operation and maintenance of Utimaco HSMs
- Preparation and documentation of HSM operational processes
- Providing technical support to Software development team on HSM integration topics
- Consulting and support in preparation of monitoring concepts
It-Beratung, IT Sicherheit (allg.), Kryptographie
6/2022 – 12/2025
Tätigkeitsbeschreibung
Regular maintenance of Utimaco CryptoServer LAN HSM.
Configuration of NTP and SNMP on the HSM.
IT Consulting in the area of Utimaco HSM and CNG/CSP crypto provider (Microsoft CA/PKI environment).
Cyber Security, IT Sicherheit (allg.), Kryptographie, Linux (Kernel)
12/2016 – 5/2022
Tätigkeitsbeschreibung
Software architecture, design and development.
Optimization of Software systems and processes.
Key Management and HSM administration (Utimaco).
Service Management (Assuring high service levels towards customers for two security relevant IT systems).
Support in Information Security certification audits.
ASP.NET, C#, Microsoft SQL-Server (MS SQL), Service Management, Software Architecture, Transact-Sql
12/2012 – 12/2016
Tätigkeitsbeschreibung
Software design and development of Key Management System; C#/.NET, Web Services, MS SQL.
Customization of IC Secure Elements (Global Platform).
Key Management and HSM administration.
C#, Software Architecture, SQL
12/2011 – 11/2012
Tätigkeitsbeschreibung
EMV Card profile design and configuration - debit cards.
Management of cryptography keys for card personalization (Thales HSM).
Thales P3 data preparation.
SW design and development of applications used in card personalization center.
Technical support in card personalization center (DataCard machines).
C#
4/2006 – 11/2011
Tätigkeitsbeschreibung
Developement of smart card personalization middleware for Mühlbauer personalization machines;
HSM Administration;
Software design and development (C#);
Project manager on Introduction of Tachograph cards in
Croatia;
Conducting Information Security Audits (ISO 27001).
Informationssicherheit, Kryptographie, Programmierer C, C++, DIN EN ISO 27001, C#, Projektleitung / Teamleitung, Softwareentwicklung (allg.)
9/2003 – 3/2006
Tätigkeitsbeschreibung
Conducting security audits in Information Security, Telecommunications and Facility Management areas.
Risk management and fraud investigation
Informationssicherheit, Risikomanagement, Sicherheitsmanagement
9/2002 – 8/2003
Tätigkeitsbeschreibung
Software development and testing - Mobile Base Station
software.
Softwareentwicklung (allg.)
Zertifikate
Bureau Veritas Group
Ausbildung
Zagreb, Kroatien
Über mich
Certified ISO27001 Lead Auditor and Certified Software Architect.
Many interesting projects and roles: worked for governments, banks, healthcare provider and the private sector.
Passionate about information security, software development and optimizing processes/systems.
Weitere Kenntnisse
Kibana, Splunk, Nagios, PRTG), Risk management
Persönliche Daten
- Kroatisch (Muttersprache)
- Englisch (Fließend)
- Deutsch (Gut)
- Europäische Union
- Schweiz
- Vereinigte Staaten von Amerika
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