Network Engineer, Mid-Senior Level
- Level
- Senior
Not stated in the posting: salary, work type, visa.
Open. First seen 10 October 2026.
About the role
Mellon Technologies, the parent company of Mellon Group of Companies, was founded in 1994 in Athens. Our offering consists of specialized technology solutions, contact centre and business process outsourcing services, to serve the increasing needs of financial institutions and organizations with strong consumer transactions business, such as Retail Banks, Public Utilities, Telecommunications Providers and large Private Companies.
Mellon Technologies seeks to hire a Network Engineer, Mid-Senior Level
Responsibilities
- Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations
- Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS, SDWAN). Configuring firewalls, routing, and switching to maximize network efficiency and security
- Monitor - performance and ensure system availability -system resource utilization, trending, and capacity planning
- Arranging scheduled upgrades, updating network equipment to the latest firmware releases
- Investigating faults in the network
- Procuring network equipment and managing subcontractors involved with network installation
- 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
- Secures network system by establishing and enforcing policies, defining, and monitoring access
- Research hardware and software solutions and create plans, including layouts and product specifications, for all data communication networks projects
- Secure all hardware and software required for network solutions or supervise network administrator tasked with securing all hardware and software
Requirements
- Bachelor’s degree in computer science, Engineering, Telecoms or equivalent field
- Minimum 5 years of experience on routing and switching with knowledge of Enterprise WAN and Data Center technologies
- Hands on experience on IP routing including TCP/IP and routing protocols (e.g., BGP, OSPF, EIGRP, SDWAN)
- Hands on experience in Cisco Switching, Cisco 2960, Cisco 9000 series and Cisco Nexus
- Certification in industry certifications (CCNA, CCNP, or equivalent Knowledge) will be considered as a plus
- Experience in network management and network monitoring tools
- Experience on architecture design of LAN/WAN and VoIP networks will be considered as a plus
- Hands on Experience on following vendor Firewalls FortiGate, Checkpoint, Cisco ASA , Cisco FTD, Sophos
- Experience working in a team within a complex and fast-paced environment
- Have good problem structuring and solving skills
- Good verbal and written communication skills in Greek and English
Benefits
- Opportunities to evolve into an international hyper-technological working environment
- Multicultural and excellent working environment
- Leading-edge technology
- Continuous training
#LI-Hybrid
What this role asks for
Particular to this role
Cisco · Embedded Systems · Networking
Rare in Mellon Group of Companies's other 8 open postings.
Read against Mellon Group of Companies's other open postings on this site.
The team: Mellon Group HIRES STEADILY
This role is one of 9 open in Mellon Group. 3 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
.NET (3 of 9), Azure (3 of 9), C# (3 of 9), SQL (3 of 9), CI/CD (2 of 9), Java (2 of 9), SQL Server (2 of 9)
OTHER ROLES ON THIS TEAM
- Senior .NET Software Developer posted Oct 7
- Senior .NET Developer posted Oct 7
- Internship Opportunity - Junior Software Engineer posted Sep 24
- IT Project Coordinator posted Aug 24
- Hardware Services Engineer posted Aug 20
- PPC Digital Product Manager - Content Operations Specialist posted Jun 19
- IT Helpdesk Intern posted Feb 25
- Software Development Intern (IT Domestic) posted Feb 24
From the team and dates on Mellon Group of Companies's own job board.
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