Senior Network Specialist Lisboa

Senior Network Specialist
Lisboa
Lisboa, Lisboa, Portugal

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team. Blue is an ecosystem of 60+ successful brands working together across 22 European countries to provide its 3. 3 million SMB customers with everything they need to succeed online by offering
-
- class expertise and services.

team. Blue's brands are a mix of traditional hosting businesses that offer services from domain names, email, shared hosting,
- commerce, and server hosting solutions and, as specialist Saa
S providers, adjacent products such as compliance, marketing tools, and team collaboration products. This broad product offering makes it a
- stop partner for online businesses and entrepreneurs across Europe.

About the job

We are looking for a Senior Network Engineer to join one of our brands in Portugal (PTisp). On a
-
- day basis, you will manage the network infrastructure that delivers our core network connectivity throughout Portugal, including core POP sites, transit interconnection, peering, and fibre backhaul services to our multiple Data Centres. The routing and switching layers that sit behind to form the core of our Hosting Products will also fall under your direct responsibility. This includes ensuring all services are available 100% of the time, deploying the network in a resilient configuration, resolving failures, faults, and health issues promptly, and planning capacity in advance of requirements. Additionally, you will collaborate with Development and Support teams to resolve issues, identify improvements, and create troubleshooting tools.

You should have at least 8-10 years of experience in IT systems, including a minimum of 5 years in network engineering within the ISP industry. A technical degree is preferred. As a proactive professional, you should be capable of designing, implementing, and expanding resilient and scalable networks. You should be comfortable working independently and collaboratively, with experience handling multiple vendor equipment.

Main responsibilities:

• Support and maintain network infrastructure, including Juniper, Arista, or other vendors. Maintain, operate, and set up DWDM systems.
• Support, maintain, and install Linux (Cent
  OS/Debian) servers supporting network infrastructure and provisioning systems.
• Ensure 24/7/365 uptime of systems and services.
• Monitor hardware health, resolve faults, and plan for upgrades and EOL/EOS.
• Design, scale, and implement network infrastructure while integrating new vendor equipment.
• Collaborate with vendors, suppliers, and support key clients to meet project requirements and delivery timelines.
• Handle ISP policies and liaise with industry bodies as needed.
• Manage IP allocation, policies, and maintain relationships with RIPE.
• Provide technical expertise, resolve escalated issues, document solutions, and train staff.
• Participate in
  - call rotations for emergency support and travel as needed.
• Drive system improvements, architectural updates, and develop new products or services.
• Ensure compliance with Health and Safety regulations and stay updated on current IT technologies.

Required skills:

• Strong IT skills in internet environments, expertise in TCP/IP, BGP, OSPF, VLANs, OSI model, Ethernet security, and IPv6.
• Experience with Cisco or Juniper products (including IOS or Junos).
• Knowledge of Linux (Cent
  OS/Debian), x86 hardware, and data center best practices.
• Experience with security issues, access control, change management, and configuration policies.
• Desirable:
  
  Linux experience, x86 hardware experience, CCNP or equivalent, Net
  Flow/J-Flow setup.
• Experience with MPO cabling, troubleshooting tools, and software updates.

Other skills:

• Resilient
  - solver
• Excellent project management skills
• Innovative mindset focused on results
• Team collaboration and
  - motivation
• Attention to detail and decisiveness
• Proficiency in Portuguese and English

"Come as you are"

Everyone is welcome here. Diversity & Inclusion are at our core. We value respect, openness, and trusted collaboration. We do not tolerate intolerance.

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