Senior Network Security Engineer - PKI Services

Prague, Hlavní město Prague, Czech Republic Global Business Services 56542 18. June, 2020
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We are looking for a new colleague for our PKI Services Team. We build/run all Public Key Infrastructure related services for DPDHL Group.

Your daily work:

Development and implementation of Public Key Infrastructure (PKI) core and peripheral components according to customer requirements and latest security standards:

oMicrosoft Windows-based client for managing x.509 Digital certificates and stores for both User and Machine Space (.NET C#)

oCertificate Enrollment using Windows Native Enrollment APIs, SCEP and Custom HTTPS enrollment client

oServer-Side Certificate Enrollment Manager

oMaintaining MSSQL Databases (with EKM/TDE encryption)

oAPI development in C# and PHP

oWeb frontend/backend application for Certificate Management (PHP)

Development and implementation of Interfaces to other Services (like GlobalServiceNow or external Root Certificate Vendors using SOAP/REST) 

Preparation of service related documentation (e.g. Updates to security concepts, maintaining developments in GIT) 

Generating service related Prove of Concept (PoC) 

Working with support ticket tool GlobalServiceNow (GSN), like resolving incidents and raising changes 

Your skills: 

Strong knowledge of .NET (Framework and Core), C# and PHP

PKI framework and standards, X.509 Digital Certificates and TLS/SSL knowledge

Previous exposure to X.509 Digital Certificate Programming (Windows Native, Win32 APIs, SCEP, ACME, CEP/CES) using C# and PowerShell

Experience with Microsoft Windows Applications and Microsoft Windows Services development

Understanding of the Microsoft Windows OS Architecture, Windows Server and Internet Information Service (IIS)

REST/SOAP APIs implementing (design, development and consumption)

SQL Server 2014/2018: Development (focusing on stored procedures) and Maintenance 

Experience in writing Code and API documentation

Knowledge of Git and Code maintenance/refactoring

Ability to work in a team and under pressure


We offer: 

Great team of IT professionals and possibility of technical development

On-going professional and technical trainings and certifications

Home office

Permanent contract

CAFETERIA employee benefit program with wide selection of benefits from Edenred

Extra week of holiday (25 days/year), 6 Self-sickness days/year, Full salary compensation for up to 10 days absence due to illness per calendar year, Lunch vouchers fully covered by the company

Pension plan contribution, Multisport card, mobile and laptop, fruit days, sport clubs for employees, Referral program……

For more details please contact 

Zahlen und Fakten

  • Arbeitszeiten


  • Geschäftsbereich

    DHL Information Services (Europe) s.r.o.

  • Reisetätigkeit erforderlich

    No travel required

  • Beschäftigungsart

    Unbefristet Vollzeit

  • Schichtarbeit


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„Die Deutsche Post DHL bietet mir Sicherheit, die Chance mich weiterzuentwickeln und die Möglichkeit, in fast jedem Land der Welt zu arbeiten.“

Aktueller Mitarbeiter – Senior Consultant in Bonn