Senior Arista Engineer

New Era Technology is committed to People First and creating a workplace where everyone feels valued, empowered, and inspired to grow. With a global team of over 4,500 professionals, we securely connect people, places, and information with end-to-end technology solutions  prioritize your personal and professional development, offer continuous training, and competitive benefits. Driven by values like Community, Integrity, Agility, and Commitment, we nurture our people to deliver exceptional customer service.

We are looking for a highly skilled Arista Lead with deep expertise in Arista Networks and Fortinet Firewalls
, to join our IT Infrastructure & Operations team
. This senior leadership role is ideal for a professional with 7–10 years of enterprise networking experience who can architect, implement, and lead the migration from Cisco to Arista platforms
, while supervising and mentoring a team of network engineers.

• Lead the design, implementation, and optimization of Arista-based network infrastructures and Fortinet NGFW & SD-WAN solutions
  .
• Architect Layer 2/3 topologies using Arista EOS, Cloud Vision, and spine-leaf architecture
  .
• Configure, manage, and fine-tune Fortinet firewalls, policies, and HA deployments
  .
• Supervise and mentor a team of network engineers, ensuring quality project delivery.
• Drive automation initiatives using Python, Ansible, and Fortinet APIs.
• Collaborate with cybersecurity, infrastructure, and cloud application teams to ensure secure and scalable solutions.
• Implement Zero Trust segmentation across Arista and Fortinet platforms.
• Troubleshoot complex network and security events using Forti Manager and Forti Analyzer
  .

• Expertise in BGP, OSPF, VXLAN, EVPN
  .
• Proficiency in Cisco IOS & NX-OS configuration and troubleshooting.
• Strong knowledge of Forti
  
  OS rule base management, threat mitigation, HA deployment
  .
• Automation with Python, Ansible, RESTful APIs
  .
• Hybrid cloud integration experience (
  Azure, AWS, GCP
  ).
• Strong understanding of SDN architecture and micro-segmentation
  .

• Mandatory: Arista Certified Engineering Expert (ACE Level 3+).
• Preferred: Cisco CCNP/CCIE or Juniper JNCIP/JNCIE.
• Bonus: Fortinet NSE Level 4 or higher.

• 7–10 years in enterprise network engineering.
• Minimum 5 years of hands-on experience with Arista Networks
  .
• Minimum 5 years of senior-level experience with Fortinet Firewall technologies
  .
• Proven leadership/supervisory experience managing network engineers.

• Strategic thinker with a security-first mindset
  .
• Strong leadership and mentoring abilities.
• Detail-oriented, adaptable, and able to thrive in dynamic enterprise environments.
• Passionate about innovation and network performance optimization
  .

Onsite London England

None

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Are you in a commutable distance to Churchill Place London E14?
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Do you have a minimum of 7–10 years of enterprise networking experience who can architect, implement, and lead the migration from Cisco to Arista platforms, while supervising and mentoring a team of network engineers.
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Does the pay range of Euro 125K / Annum match your expectations? *

Permanent residents and EU Citizens who can work in London without sponsorship can apply for this role. *