Infrastructure Engineer/Administrator

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services.

We are composed of 13 entities across 6 countries that are unified by the Arηs Group, with more than 1750 consultants.

This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle: starting with user requirements, business process redesign and specifications, to continue with development, testing and application maintenance.

• Creation of Infrastructure level Designs for the implementation/adaptation of enterprise application/solutions and the creation of the equivalent Operation guidelines.
• Participate, under Architecture Guidance, on the technical negotiations and decisions about the best way to implement new solutions.
• Creation of well detailed network flow designs and its further documentation to support implementation.
• Liaise with the different specialized technical teams, in order to verify the validity of the envisaged infrastructure design.
• Perform, together with the responsible for the application/solution, the Proof of Concept and the first deployment on a non-production environment.
• Perform the administrative activities to put such designed in the Operational Production cycle ( creating tickets, negotiating time lines, etc.).
• Support the Operational team when integrating the new solution.

• Bachelor plus 7 years of relevant experience.
• More than 3 years of Experience in creating Technical Designs both at a High Level as a Detailed level, that lead to implementation including monitoring characteristics, backup and restore, etc.
• More than 5 years of Experience in the installation and configuration of Windows Servers and/or Linux server operating systems, including the interaction with Infrastructure at large ( File shares with CIFS/SMB and NFS, secure LDAP integration, Public Key Certificates, Service accounts, etc.)
• More than 2 years of experience in adapting  Infrastructure Designs, applying/devising Security hardening for each part of the solution, including leveraging well known frameworks ( e.g. CIS guidelines)
• More than 3 years of experience with documenting technical specifications of solutions, in terms of infrastructure design material (deployment views, server and network specifications, etc.) as well as devising and documenting operations procedures
• More than 3 years of experience in negotiation on technical level with different stake holders ( e.g. ICT Security, Governance, Data Protection, ICT Operations/Solution teams, Project Management, etc.)
• Good knowledge in creating Technical Designs both at a High Level as a Detailed level, that lead to implementation.
• Good knowledge of implementation and configuration of Windows Server and/or Linux server operating systems (in physical or virtual format), including the interaction with Infrastructure at large ( File shares with CIFS/SMB and NFS, secure LDAP integration, Public Key Certificates, Service accounts, etc.)
• Good knowledge of implementing Security hardening for Operating Systems and/or Applications and/or devices, including the usage of well-known frameworks ( e.g. CIS guidelines), including the troubleshooting needed due to the consequences of hardening.
• Working knowledge of English: B2 or higher. 

Desirable:

• Good knowledge in configuration of application servers to make usage of the different authentication systems, encryption in traffic, file access and database access. Ability to troubleshoot all of the mentioned components individually and as a set.