SKILLS

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Technical Skills
Operating Systems

• Oracle Solaris 10/11 (17 Years) +++
• Oracle Linux 6/7 (3 Years) ++
• Red Hat Enterprise Linux (7 Years) ++
• Debian / Ubuntu Linux (15 Years) ++

Networking

• TCIP/IP, LAN/WAN, Intranet/Internet (17 Years) ++
• Network Virtualization (Solaris)  (1 Year) +

IT Areas & Technologies 

• High Availability / Clustering  (9 Years) ++
• Virtualization (13 Years) +++
• Cloud (Public / Private / Hybrid)  (2 Years) ++
• Digital Transformation (3 Years) ++
• Big Data (1 Year) +
• IT Service Management / ITIL (12 Years) ++
• Cybersecurity (up to Level EAL4+) (3 Years) ++
• Business Continuity / Desaster Recovery Procedures (13 Years) +++
• IT Operations (24x7, Incident & Problem Management) (13 Years) +++
• DevOps / Continuous Delivery (Build, Test, Deploy, Operate) (3 Years) ++

Applications

• Base Services (DNS, NIS/LDAP, Git, SMTP, DHCP, VPN, etc.) (17 Years) +++
• Web Services (Apache 2.0 + Module, nginx)  (13 Years) ++
• Java Application Server (Oracle WebLogic, Glassfish, Tomcat) (5 Years) ++
• Databases (Oracle Database 12c, MySQL, MariaDB, NoSQL) (5 Years) ++
• IT-Security (Hardening, Auditing, RBAC, SSH/SSL, PKI, MAC) (13 Years) ++
• Standardization / Automation (Puppet, cfengine, Ansible) (3 Years) +
• Monitoring (Nagios, Zenoss, EMC) (13 Years) ++
• Cloud (Docker, OpenStack, Openshift / Kubernetes, Hadoop) (1 Year) +

Soft Skills

Methodical Skills

• IT Service Management (ITIL) (12 Years) ++
• Sub-Project Management (7 Years) ++
• Time Management (10 Years) ++
• Analytical Mindset (13 Years) +++
• Structured Approach on Tasks (13 Years) +++
• Concepts & Designs (6 Years) ++

Social Skills

• Ability to Train and Educate (11 Years) ++
• Customer Point of View (7 Years) ++
• Working in Teams (Primary role according to Belpin: Shaper) (13 Years) +++
• Conflict Management (3 Years) ++
• Recipient-oriented Communication (4 Years) ++

Leadership Skills

• Technical Leadership (10 Years) +++
• Personnel Leadership (1 Year) +
• Decision Making & Priorization (9 Years) +++
• Ability to Delegate  (6 Years) ++

Personal Traits

• Used to Working w/o Supervision 
• Strong Sense of Responsibility 
• Very proactive mindset
• Highly Reliable

 

REFERENCES

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Cloud Service Architect                                           0I/2017 – 05/2017
swisscloud.online, Belp, Schweiz

• Build & Make of a IaaS Hosting Platform für SMIs, NGOs and individuals
• Implementation of underlying virtual IPv6 networks, servers und services
• Implementation of IT Service Management processes
• Technical Lead

Oracle Solaris 11, Oracle Linux 7, MySQL, MariaDB, Git, Puppet, Apache, mod_ssl, Kerberos, DNSSEC, Drupal, Wordpress, JIRA, Oracle Cloud
 
Security Consultant                                                 06/2016 – 12/2016
Dreamlab Technologies SA, Bern, Schweiz

• Project lead during the prototype integration of an innovative cybersecurity solution
• Proof of concept at customer premises in Germany
• Presentation for the parliament of an EU country (subject to non-disclosure agreement) 

Debian Linux, MS Office 365, MS Project 2016, MS Visio 2016


Security Consultant                                                 02/2016 – 06/2016
Project subject to non-disclosure agreement, Singapore

• Analysis of a successful attack targeting an enterprise of the financial sector, located in Singapore, in partnership with a Chinese cybersecurity company
• Reproduction of the side channel attack
• Migration of the outsourced attack surface to a pirvate cloud, based upon Oracle SPARC M7 Supercluster und Exadata engineered systems
• Implementation of Mandatory Access Controls und Encryption of the entire data flows

Oracle Solaris 11, Oracle Linux 7, WebLogic, Oracle Database 12c, Splunk, IPv6, Apache 2.2, Hadoop


Data Center Architect                                             11/2013 – 04/2014
Shanghai Qunheng Software Technology Co. Ltd., Shanghai, China

• Replacement of a compromised data center with a modern and secure solution
• Project lead and technical lead
• Migration of services and data

Oracle Solaris 11 x86, Oracle Linux 6, Solaris Cluster 4.0, Apache 2.2, Oracle WebLogic 12, MySQL Enterprise Cluster, Java, Oracle Enterprise Manager, standard base services and protocols


Senior UNIX Administrator                                      11/2008 – 09/2013
 Swisscom (Switzerland) Ltd., Bern, Schweiz

Technical lead of the Operational Support Systems team, responsible for the monitoring and 2nd level support of 65'000 network devices and servers of Swisscom's business customer unit

• IT Operations 24/7 of the network management systems, operational support systems and the underlying base services (OS, DNS, LDAP, SNMP, TACACS, etc.)
• Design, Build and Performance Tuning of a geographically redundant Storage Area Networks(SAN)
• Introduction of geographical high availability for 300 Servers using Solaris Cluster 3.2 (2-node cluster pairs)
• Design and implementation of a Release Management process based on ITIL v3 and ISO 30‘000 
• Working in outsourcing projects, e.g. for Credit Suisse and AXA Winterthur

Oracle Solaris 10, Red Hat Enterprise Linux 6, Solaris Cluster, DNS, LDAP, SNMP, TACACS, SAN/NAS, Git, cfengine, Solaris Zones, Oracle SPARC M3000 and M5000 servers
 
Senior Solaris Administrator                                    01/2004 – 10/2008
WEB.DE / 1&1 Internet AG, Karlsruhe, Deutschland

Technical lead of the business critical Solaris servers of United Internet Ltd., as well as the advertising and user profiling services

• Migration of the WEB.DE data center and services into the 1&1 data center after the takeover
• 24/7 Operation of 45'000 physical server systems running Linux and Solaris 10
• Introduction of geographical redundancy to the enterprise, using Sun Cluster 3.2
• Implementation and operation of 1500 servers running  WEB.DE homepages, portal servers and SSL offloaders
• Deputy of team leader

Consolidation of the individual advertising systeme of all 1&1 brands SUSE Enterprise Linux 7-9, Debian Linux, Solaris 10, Sun SPARC und x64 Hardware, Sybase, Apache 1.3 und 2.x, SSL, Oracle Datenbank 8 und 9, Nagios, Solaris Cluster 3.2, J2EE Directory Server 5
 
Systemadministrator, Freelancer                              10/2002 – 12/2003
Various customers, Karlsruhe, Germany

Debian Linux, SUSE Linux, Solaris 8, Windows 2000 Server, DNS, Apache 1.3, SSL
 
UNIX System Administrator                                   09/2001 – 09/2002
 iXpoint GmbH, Ettlingen, Deutschland

• Implementation of Solaris servers for business customers, e.g. Condor / Thomas Cook, Birkel, Deutsche Flugsicherung
• Design and implementation of complex mail servers
• Administration of firewalls
• First level support for customers

Solaris 8, Exim 4, Apache 1.3, Checkpoint Firewall 4.1 & NG
 
Systemadministrator                                                01/2000 – 08/2001
Concept! Technology GmbH, Karlsruhe, Deutschland

• Administration of heterogenuous server farms
• Implementation of a shared mail server for hosting customers

SuSE Linux 7.0, Microsoft Windows NT 4, Microsoft Windows 2000 Server, Solaris 8, Lotus Notes, Checkpoint Firewall 4.1, sendmail