ELLAKTOR Group is amongst the largest infrastructure groups in Greece and one of the leading in Southeastern Europe, with an international presence and a diversified portfolio of activities, focusing on construction, concessions, environment, renewable energy and real estate development. With operations in 22 countries and nearly 7,500 employees, ELLAKTOR Group generates a turnover of €892 million (2020). Combining its 70 years of expertise with the latest technologies, ELLAKTOR Group breathes life into projects that accelerate growth and improve the quality of life in communities across the world. Having significant expertise in the most complex and demanding projects, ELLAKTOR is ranked amongst the top 100 global manufacturing groups (Global Powers of Construction 2020, Deloitte-July ‘21). For more info please visit www.ellaktor.com

ELLAKTOR Group is looking for a "Senior Network Engineer" to develop and maintain functional and secure networks.

In this role, you should have excellent problem-solving skills and thorough knowledge of network administration and architecture. If you’re also passionate about security and data protection, we’d like to meet you.

You will be part of a systems engineering team that is responsible for designing and developing scalable, maintainable, highly available network architectures that meet business objectives and SLAs.

Referring to the IT Operation Manager, the main tasks of the role are:

• Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS)
• Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations
• Monitor performance and ensure system availability and reliability
• Monitor system resource utilization, trending, and capacity planning
• Provide Level-2/3 support and troubleshooting to resolve issues
• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure
• Select and implement security tools, policies, and procedures in conjunction with the company’s security team
• Maintain complete technical documentation
• Liaise with vendors and other IT personnel for problem resolution
• Implement and administer the data plan for new buildings and areas connected to the network. Coordinate the connection of new buildings to the Network with vendors and contractors
• Improvements in service performance and make recommendations to the IT Operations Manager

Necessary qualifications

• Bachelor’s degree of Computer Science or a related subject
• Proven hands-on Senior Network Engineering experience
• CCNP, NS5 or higher
• Solid understanding of network operating systems
• Deep understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)
• Solid understanding of the OSI or TCP/IP model
• Familiarity with access control models and network security
• Hands-on experience with monitoring, network diagnostic and network analytics tools

Qualifications considered as an Asset

• Windows Servers Experience
• Driver's license

Working experience

• 7+ years of experience in Networking Administration
• Working experience with security appliances, primarily Fortinet devices and Cisco (Ise, FMC)
• Working experience with Azure Networking (FWs , Vnet, NSG)
• Previous experience in OT environments will be appreciated

Competences

• Effectiveness in dealing with tasks / projects
• Planning, organizing, and meeting deadlines
• Consistency & Professionalism
• Interpersonal Savvy
• Teamwork

Deadline for submission of applications to Human Resources Division: 21/04/2023 with an ad code: SNTEE032023

Based on Compensation & Benefits policy of ELLAKTOR Group.