VoIP/SIP, Linux/Unix, Ansible, Asterisk, IETF, Standardisierung, TCP/IP, DNS, IPv6, ENUM, DHCP
Aktualisiert am 02.02.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 03.02.2024
Verfügbar zu: 70%
davon vor Ort: 50%
Linux
SIP
Ansible
Verschlüsselung
Emailsicherheit
Asterisk
FreePBX
Callcenter
Aviation
Englisch verhandlungssicher
VoIP
RFC
MIME
MySQL
LAMP
Perl
PHP
Kamailio
Ingenieur Elektrotechnik
Debian/Ubuntu/CentOS/RedHat
IETF Standardisierung
Nagios
Atlassian JIRA
Deutsch
Muttersprache
Englisch
Certificate in Advanced English (CAE)
Französisch
fliessend
Italienisch
fliessend
Niederländisch
Grundkenntnisse
Spanisch
Grundkenntnisse

Einsatzorte

Einsatzorte

Zürich (+50km) Arosa (+20km)
Schweiz
möglich

Projekte

Projekte

6 Jahre 2 Monate
2017-09 - 2023-10

IETF Standardization of Privacy Enhanced Messaging Systems

Standardization Specialist IETF RFC Emailsicherheit Endpoint Encryption ...
Standardization Specialist IETF
  • Standardization (IETF) for privacy enhanced communications
    • pretty Easy privacy (pEp):
      • Privacy by Default
      • Email Formats and Protocols
      • Key Synchronization Protocol (KeySync)
      • Contact and Channel Authentication through Handshake
      • Mapping of Privacy Rating
      • Key Reset
      • IANA Registration of Trustword Lists: Guide, Template and IANA Considerations
    • Cryptographically Protected E-mail
      • Header Protection for Cryptographically Protected E-mail
      • Guidance on End-to-End E-mail Security
    • Structured Email
      • ?Email Marker to Indicate Automatic Processing
  • Integration of prototype system for encryption of financial transactions (MQ/RHEL)
xml2rfc Markdown RedHat Git pEp (pretty Easy Privacy) Atlassian JIRA
RFC Emailsicherheit Endpoint Encryption Markdown XML Linux YAML FSM (Finite State Maschine) Key Management C MQ Jira
Schweiz (Zürich & Remote)
2 Jahre 1 Monat
2021-03 - 2023-03

Contact Center VoIP Specification, Implementation and Testing

Consultant Contact Center SIP SQL Contact Center ...
Consultant Contact Center

Re-Implementation of Contact Center based on FreePBX

  • Assessment of existing system
  • Requirements Specification
  • Specification of (new) call flows and properties
  • Implementation (including non-standard features)
  • Testing
Asterisk FreePBX Linux (CentOS) MySQL
SIP SQL Contact Center Callcenter Call Detail Record Perl Shell-Script Linux Administration Linux Call Recording
Schweiz (Remote und vor Ort)
2 Jahre 2 Monate
2019-08 - 2021-09

Carrier VoIP System Specification, Implementation and Testing

Consultant Carrier VoIP Systems SIP Ansible Automatisierung ...
Consultant Carrier VoIP Systems

Replacement of Carrier VoIP and several service systems by Open Source Software at a Swiss VoIP provider:

  • Assessment of existing system
  • Requirements Specification
  • Specification & Design of (new) Call-Flows
  • Implementation (SIP, Kamailio, Asterisk, Ansible, Linux, MySQL, Git)
  • Testing
Kamailio Asterisk Ansible Git Ubuntu MySQL MariaDB Homer
SIP Ansible Automatisierung Call Flow RTP VoIP Linux Shell-Script Call Detail Record Testing/QS/QM Linux Administration SQL-Datenbanken
Schweiz (Remote und vor Ort)
9 Jahre 2 Monate
2012-03 - 2021-04

Webportal Statically Generated Pages

Senior Software Engineer PHP Perl LAMP ...
Senior Software Engineer
  • EPP (Extensible Provisioning Protocol) Client Implemention
  • Nameserver / DNS Management
  • Webportal
    • Requirments / Design
    • Implementation LAMP (Linux, Apache, PHP, MySQL)
    • Redundancy / Failover / Loadbalancing
    • Self-Management for Customers
  • Autogeneration of Static Webpages

    • Perl
    • MySQL
  • Maintenance & Support


MySQL Apache2 CakePHP Ubuntu Bind9 MySQL Workbench certbot Exim4
PHP Perl LAMP EPP Provisioning DNS Portalentwicklung ACME Failover Redundanz Loadbalancing E-Mail
Schweiz (Remote und vor Ort)
3 Jahre
2016-05 - 2019-04

Geo-Tracking for Pet Surveillance

Senior System Engineer SIP Perl SQL-Datenbanken ...
Senior System Engineer

Communication system to trigger geo-tracking units for pet surveillance based on Linux with SIP, MySQL and Asterisk technology

  • Design & Specification
  • Implementation
  • Testing
  • Maintenance & Support
Asterisk Ubuntu MySQL
SIP Perl SQL-Datenbanken Linux Linux Administration PHP Call Detail Record
Schweiz (Remote)
2 Jahre
2016-04 - 2018-03

Commincation Systems for Railway Rolling Stock

Senior System Engineer SIP Linux IAX
Senior System Engineer
  • On board communication system for Siemens commuter train units based on Linux (Debian) with SIP and Asterisk technology
    • Specification & design
    • Implementation
Asterisk Debian
SIP Linux IAX
Schweiz (Zürich & Remote)
4 Monate
2017-11 - 2018-02

Secure Communication Systems Public Safety and Defense

Consultant Secure Communications SIP SIPS RTP ...
Consultant Secure Communications
Enhance secure end-to-end communication system for use in public safety and defense based on embedded Linux with SIP, TLS, SRTP, Kamailio and Asterisk technology
Embedded Linux Asterisk Kamailio
SIP SIPS RTP SRTP Key Management TLS Endpoint Encryption
Schweiz (Zürich)
5 Monate
2010-04 - 2010-08

Secure Communication Systems Public Safety and Defense

R&D Consultant Delay/Disruption Tolerant Networking (dtn) SIP IAX ...
R&D Consultant

Secure Communication Systems Public Safety and Defense

  • Assess Asterisk features for use in specific product environment
  • Specification new features
Asterisk Embedded Linux
Delay/Disruption Tolerant Networking (dtn) SIP IAX DUNDI RTP Perl Linux
Ascom
Mägenwil

Aus- und Weiterbildung

Aus- und Weiterbildung

1993-1999 Elektrotechnik Studium, ETH Zurich
          Diplom: Dipl. El.-Ing. ETH (~ Master of Science), 1999

Kompetenzen

Kompetenzen

Top-Skills

Linux SIP Ansible Verschlüsselung Emailsicherheit Asterisk FreePBX Callcenter Aviation Englisch verhandlungssicher VoIP RFC MIME MySQL LAMP Perl PHP Kamailio Ingenieur Elektrotechnik Debian/Ubuntu/CentOS/RedHat IETF Standardisierung Nagios Atlassian JIRA

Produkte / Standards / Erfahrungen / Methoden

Linux
Experte
SIP
Experte
Asterisk
Experte
Kamailio
Experte
FreePBX
Experte
Contact Center / Call Center Configuration
Experte
VoIP
Experte
Ansible
Fortgeschritten
Apache
Experte
SQL
Experte
IETF Standardisation
Experte
Problem Solver
Experte
Privacy
Experte
Email Verschlüsselung
Experte
ENUM
Experte

IETF Protocols: IP, TCP, UDP, DNS, DNSsec, DHCP, HTTP, ENUM, SIP, SDP, RTP, SRTP, STUN, TURN, ICE, SIMPLE, LDAP, SSL, SCTP, BGP, OSPF, RIP, SMTP, S/MIME, PGPMIME, and others
Other Protocols: Ethernet, XML, PKI, OpenID, HTML, IMS,  and others
Operating Systems: UNIX (Linux, Solaris), Mac OSX, Windows, VMware, VirtualBox; Cisco IOS
Programming: Java, Perl, C, SQL, PHP, YML, Ansible
Server Software: Asterisk, Kamailio, DHCPd, Bind, Apache, Exim, Mailman, SSHD, FTP, TFTP, Samba, CUPS, MySQL (incl. Cluster), Oracle, CVS, Subversion, Git, and others
Desktop applications: OpenOffice, MS Office (Word, Excel, Power Point, Access), MS Project, Visio, Enterprise Architects, and others

Betriebssysteme

SUN OS, Solaris
Basics
Unix
Experte
Windows
Fortgeschritten
Linux
Experte
macOS
Basics

Programmiersprachen

C
Basics
Java
Fortgeschritten
Perl
Fortgeschritten
PHP
Fortgeschritten
PL/SQL
Fortgeschritten
Python
Basics
Shell
Fortgeschritten
TeX, LaTeX
Fortgeschritten
yacc/lex
Basics
Ansible
Fortgeschritten
YML
Basics
SQL
Fortgeschritten

Datenbanken

MySQL
Experte
Oracle
Basics
PostgreSQL
Basics
MariaDB
Experte
DB2
Basics
SQLite
Basics
MS Access
Fortgeschritten

Datenkommunikation

Ethernet
Fortgeschritten
IMS/DC
Fortgeschritten
Internet, Intranet
Fortgeschritten
ISO/OSI
Fortgeschritten
Public Networks
Fortgeschritten
Router
Fortgeschritten
RS232
Basics
SMTP
Fortgeschritten
TCP/IP
Experte
Voice
Experte
SIP
Experte
RTP
Experte
IPv6
Fortgeschritten
DNS
Experte
DHCP
Fortgeschritten

Branchen

Branchen

Telekommunikation Operator

Telekomminkation Hersteller

NREN (National Research and Edutcation Network)

Research and Education

 

Einsatzorte

Einsatzorte

Zürich (+50km) Arosa (+20km)
Schweiz
möglich

Projekte

Projekte

6 Jahre 2 Monate
2017-09 - 2023-10

IETF Standardization of Privacy Enhanced Messaging Systems

Standardization Specialist IETF RFC Emailsicherheit Endpoint Encryption ...
Standardization Specialist IETF
  • Standardization (IETF) for privacy enhanced communications
    • pretty Easy privacy (pEp):
      • Privacy by Default
      • Email Formats and Protocols
      • Key Synchronization Protocol (KeySync)
      • Contact and Channel Authentication through Handshake
      • Mapping of Privacy Rating
      • Key Reset
      • IANA Registration of Trustword Lists: Guide, Template and IANA Considerations
    • Cryptographically Protected E-mail
      • Header Protection for Cryptographically Protected E-mail
      • Guidance on End-to-End E-mail Security
    • Structured Email
      • ?Email Marker to Indicate Automatic Processing
  • Integration of prototype system for encryption of financial transactions (MQ/RHEL)
xml2rfc Markdown RedHat Git pEp (pretty Easy Privacy) Atlassian JIRA
RFC Emailsicherheit Endpoint Encryption Markdown XML Linux YAML FSM (Finite State Maschine) Key Management C MQ Jira
Schweiz (Zürich & Remote)
2 Jahre 1 Monat
2021-03 - 2023-03

Contact Center VoIP Specification, Implementation and Testing

Consultant Contact Center SIP SQL Contact Center ...
Consultant Contact Center

Re-Implementation of Contact Center based on FreePBX

  • Assessment of existing system
  • Requirements Specification
  • Specification of (new) call flows and properties
  • Implementation (including non-standard features)
  • Testing
Asterisk FreePBX Linux (CentOS) MySQL
SIP SQL Contact Center Callcenter Call Detail Record Perl Shell-Script Linux Administration Linux Call Recording
Schweiz (Remote und vor Ort)
2 Jahre 2 Monate
2019-08 - 2021-09

Carrier VoIP System Specification, Implementation and Testing

Consultant Carrier VoIP Systems SIP Ansible Automatisierung ...
Consultant Carrier VoIP Systems

Replacement of Carrier VoIP and several service systems by Open Source Software at a Swiss VoIP provider:

  • Assessment of existing system
  • Requirements Specification
  • Specification & Design of (new) Call-Flows
  • Implementation (SIP, Kamailio, Asterisk, Ansible, Linux, MySQL, Git)
  • Testing
Kamailio Asterisk Ansible Git Ubuntu MySQL MariaDB Homer
SIP Ansible Automatisierung Call Flow RTP VoIP Linux Shell-Script Call Detail Record Testing/QS/QM Linux Administration SQL-Datenbanken
Schweiz (Remote und vor Ort)
9 Jahre 2 Monate
2012-03 - 2021-04

Webportal Statically Generated Pages

Senior Software Engineer PHP Perl LAMP ...
Senior Software Engineer
  • EPP (Extensible Provisioning Protocol) Client Implemention
  • Nameserver / DNS Management
  • Webportal
    • Requirments / Design
    • Implementation LAMP (Linux, Apache, PHP, MySQL)
    • Redundancy / Failover / Loadbalancing
    • Self-Management for Customers
  • Autogeneration of Static Webpages

    • Perl
    • MySQL
  • Maintenance & Support


MySQL Apache2 CakePHP Ubuntu Bind9 MySQL Workbench certbot Exim4
PHP Perl LAMP EPP Provisioning DNS Portalentwicklung ACME Failover Redundanz Loadbalancing E-Mail
Schweiz (Remote und vor Ort)
3 Jahre
2016-05 - 2019-04

Geo-Tracking for Pet Surveillance

Senior System Engineer SIP Perl SQL-Datenbanken ...
Senior System Engineer

Communication system to trigger geo-tracking units for pet surveillance based on Linux with SIP, MySQL and Asterisk technology

  • Design & Specification
  • Implementation
  • Testing
  • Maintenance & Support
Asterisk Ubuntu MySQL
SIP Perl SQL-Datenbanken Linux Linux Administration PHP Call Detail Record
Schweiz (Remote)
2 Jahre
2016-04 - 2018-03

Commincation Systems for Railway Rolling Stock

Senior System Engineer SIP Linux IAX
Senior System Engineer
  • On board communication system for Siemens commuter train units based on Linux (Debian) with SIP and Asterisk technology
    • Specification & design
    • Implementation
Asterisk Debian
SIP Linux IAX
Schweiz (Zürich & Remote)
4 Monate
2017-11 - 2018-02

Secure Communication Systems Public Safety and Defense

Consultant Secure Communications SIP SIPS RTP ...
Consultant Secure Communications
Enhance secure end-to-end communication system for use in public safety and defense based on embedded Linux with SIP, TLS, SRTP, Kamailio and Asterisk technology
Embedded Linux Asterisk Kamailio
SIP SIPS RTP SRTP Key Management TLS Endpoint Encryption
Schweiz (Zürich)
5 Monate
2010-04 - 2010-08

Secure Communication Systems Public Safety and Defense

R&D Consultant Delay/Disruption Tolerant Networking (dtn) SIP IAX ...
R&D Consultant

Secure Communication Systems Public Safety and Defense

  • Assess Asterisk features for use in specific product environment
  • Specification new features
Asterisk Embedded Linux
Delay/Disruption Tolerant Networking (dtn) SIP IAX DUNDI RTP Perl Linux
Ascom
Mägenwil

Aus- und Weiterbildung

Aus- und Weiterbildung

1993-1999 Elektrotechnik Studium, ETH Zurich
          Diplom: Dipl. El.-Ing. ETH (~ Master of Science), 1999

Kompetenzen

Kompetenzen

Top-Skills

Linux SIP Ansible Verschlüsselung Emailsicherheit Asterisk FreePBX Callcenter Aviation Englisch verhandlungssicher VoIP RFC MIME MySQL LAMP Perl PHP Kamailio Ingenieur Elektrotechnik Debian/Ubuntu/CentOS/RedHat IETF Standardisierung Nagios Atlassian JIRA

Produkte / Standards / Erfahrungen / Methoden

Linux
Experte
SIP
Experte
Asterisk
Experte
Kamailio
Experte
FreePBX
Experte
Contact Center / Call Center Configuration
Experte
VoIP
Experte
Ansible
Fortgeschritten
Apache
Experte
SQL
Experte
IETF Standardisation
Experte
Problem Solver
Experte
Privacy
Experte
Email Verschlüsselung
Experte
ENUM
Experte

IETF Protocols: IP, TCP, UDP, DNS, DNSsec, DHCP, HTTP, ENUM, SIP, SDP, RTP, SRTP, STUN, TURN, ICE, SIMPLE, LDAP, SSL, SCTP, BGP, OSPF, RIP, SMTP, S/MIME, PGPMIME, and others
Other Protocols: Ethernet, XML, PKI, OpenID, HTML, IMS,  and others
Operating Systems: UNIX (Linux, Solaris), Mac OSX, Windows, VMware, VirtualBox; Cisco IOS
Programming: Java, Perl, C, SQL, PHP, YML, Ansible
Server Software: Asterisk, Kamailio, DHCPd, Bind, Apache, Exim, Mailman, SSHD, FTP, TFTP, Samba, CUPS, MySQL (incl. Cluster), Oracle, CVS, Subversion, Git, and others
Desktop applications: OpenOffice, MS Office (Word, Excel, Power Point, Access), MS Project, Visio, Enterprise Architects, and others

Betriebssysteme

SUN OS, Solaris
Basics
Unix
Experte
Windows
Fortgeschritten
Linux
Experte
macOS
Basics

Programmiersprachen

C
Basics
Java
Fortgeschritten
Perl
Fortgeschritten
PHP
Fortgeschritten
PL/SQL
Fortgeschritten
Python
Basics
Shell
Fortgeschritten
TeX, LaTeX
Fortgeschritten
yacc/lex
Basics
Ansible
Fortgeschritten
YML
Basics
SQL
Fortgeschritten

Datenbanken

MySQL
Experte
Oracle
Basics
PostgreSQL
Basics
MariaDB
Experte
DB2
Basics
SQLite
Basics
MS Access
Fortgeschritten

Datenkommunikation

Ethernet
Fortgeschritten
IMS/DC
Fortgeschritten
Internet, Intranet
Fortgeschritten
ISO/OSI
Fortgeschritten
Public Networks
Fortgeschritten
Router
Fortgeschritten
RS232
Basics
SMTP
Fortgeschritten
TCP/IP
Experte
Voice
Experte
SIP
Experte
RTP
Experte
IPv6
Fortgeschritten
DNS
Experte
DHCP
Fortgeschritten

Branchen

Branchen

Telekommunikation Operator

Telekomminkation Hersteller

NREN (National Research and Edutcation Network)

Research and Education

 

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