Senior Network Security Engineer - PKI Services

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

•English

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……