Senior Arista Engineer

Overview

Join New Era Technology, where People First is at the heart of everything we do. With a global team of over 4,500 professionals, we're committed to creating a workplace where everyone feels valued, empowered, and inspired to grow. Our mission is to securely connect people, places, and information with end-to-end technology solutions  New Era, you'll join a team-oriented culture that prioritizes your personal and professional development.

Work alongside industry-certified experts, access continuous training, and enjoy competitive benefits. Driven by values like Community, Integrity, Agility, and Commitment, we nurture our people to deliver exceptional customer service. If you want to make an impact in a supportive, growth-oriented environment, New Era is the place for you. Apply today and help us shape the future of work—together.

SUMMARY: 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.

Work Environment:
Onsite London, England

Expected Hours of Work: 40 hours per week; occasional weekends

Travel:
None

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Note:

This description is provided for formatting refinement and does not alter the responsibilities or qualifications of the role.