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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.
PRIMARY DUTIES:
- 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.
COMPENTENCY:
- Expertise in BGP, OSPF, VXLAN, EVPN.
- Proficiency in Cisco IOS & NX-OS configuration and troubleshooting.
- Strong knowledge of FortiOS 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.
REQUIRED EDUCATION:
- Mandatory: Arista Certified Engineering Expert (ACE Level 3+).
- Preferred: Cisco CCNP/CCIE or Juniper JNCIP/JNCIE.
- Bonus: Fortinet NSE Level 4 or higher.
EXPERIENCE:
- 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.
QUALIFICATIONS:
- 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/ week; occasional weekends
TRAVEL: None
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