System Administrator/ DevOps Engineer (Linux Domain)

Job description

Our Values: Trust | Respect | Team spirit

Our secret: Our people who make the difference with their integrity and competences!

System Administrator/ DevOps Engineer (Linux Domain) | Full-time contract | Athens - GR

Your daily work routine will include:

  • Extract customer’s requirements and design services according to requirements;
  • Define and coordinate the delivery of IT services by effectively applying the IT service management procedures;
  • Optimise the delivery of services making efficient use of internal and outsourcing contracts;
  • Ensure services are delivered in accordance to the service descriptions and defined service levels;
  • Ensure that the quality of service delivered is assessed according to performance indicators, notably when formal Service Levels Agreements are foreseen;
  • Coordinate and manage external contractors; Provide timely and accurate reports;
  • Work closely together with all Teams and Units in the Organisation to ensure efficient and seamless interdepartmental cooperation at all levels. Apply the ICT procurement standard practices;
  • Know when to jump-in and provide leadership in an innovative and fast-paced environment;
  • Contribute technically to projects by taking on and completing key deliverables.


  • Degree in Computer Science, Engineering, or Information Technology with one year in a relevant position;
  • At least 5 years of experience in systems architecture;
  • Familiarity with various common Linux distributions (Ubuntu, RHEL and CentOS);
  • Extensive experience in CISCO Routers & Switches, Security Appliances, CISCO, Blue Coat, Check Point, F5, Palo Alto;
  • Experience with Load Balancing (F5, CITRIX NetScaler, Radware/Alteon, A10, etc.);
  • Experience in developing, designing and planning security concepts with Firewalls, IDS/IPS, and VPN systems (Juniper, CISCO);
  • Familiar with routing and switching protocols and technologies (QoS, PBR, STP, BGP, OSPF, EIGRP, VLANs, IPSec, VoIP, Wireless, etc.);
  • Experience with network debugging (packet tracing, capture, etc.);
  • Experience in configuring domain information utilities, such as Active Directory, LDAP and DNS;
  • Experience with vSphere Client 5.1/VM, virtualization technologies;
  • Familiarity with open-Source Software tools and development experience in one or more of the following popular OSS: Java, PHP, Python, JavaScript;
  • Experience with a formal configuration management tool, using Subversion, Git;
  • Experience with developing automation workflows/routines using industry leading tools, including OpenSource Tools (Chef/Puppet/Hudson), or Vendor Based Tools (HPSA/OO, vCAC, uDeploy);
  • Experience with Deployment and Monitoring tools;
  • Experience using cloud based hosting solutions;
  • 5+ years of practical working experience in design, implementation & support of medium-large scale internetworking solutions;
  • Advantageous Qualifications: ITIL certification, CISCO certifications: CCSP or CCNP, Red Hat Certified System Administrator; Experience with ORACLE RDBMS administration and performance tuning;
  • Understanding of Agile Software Development methodologies;
  • Technical documentation skills, strong analytical and problem solving skills;
  • Excellent verbal and written communication skills in English (B2 or higher);
  • Good team spirit and accountable for working in a multi-cultural and international environment;
  • Fulfilled military obligations.