Sr. Network Engineer

2 days ago

Welwyn Garden City, Hertfordshire, United Kingdom iO Associates Full time

Senior Network Engineer - Juniper Mist & AI Specialist
Location:
Welwyn Garden City, UK ()

Type:
6-Month Outside IR35 Contract

Rate:
£500 per day

Experience:
7+ years

Join a global technology solutions partner that excels in delivering enterprise-level digital transformation and workflow automation across industries. Renowned for driving operational excellence through advanced IT service management and system integration, this organization partners with clients to enhance performance, streamline processes, and accelerate innovation through cutting-edge cloud and automation platforms.

Step into a role where cutting-edge AI meets enterprise networking excellence. We're seeking a seasoned Senior Network Engineer with deep Juniper expertise and a passion for AI-driven network optimisation. This is your chance to shape next-gen connectivity using Mist AI to deliver intelligent, reliable, and automated network solutions across a dynamic enterprise environment.

Responsibilities:

  • Architect, implement, and fine-tune Juniper Mist wireless networks using Mist AI and Marvis Virtual Network Assistant.
  • Lead end-to-end network transformation - migrations, upgrades, and large-scale deployments.
  • Perform advanced RF design, wireless site surveys, and performance tuning for optimum reliability.
  • Manage and troubleshoot Juniper Routing & Switching (EX, QFX, MX series).
  • Leverage Mist's AI-driven insights for proactive monitoring, predictive analytics, and automation.
  • Create detailed documentation, runbooks, and topology diagrams to support operational excellence.
  • Collaborate across security, cloud, and systems teams to ensure seamless integration.
  • Automate workflows and monitoring through APIs and scripting (Python preferred).
  • Maintain network security, reliability, and SLA compliance.

Experience:

  • 7+ years of hands-on experience managing enterprise wired and wireless networks.
  • Proven expertise with Juniper Mist AI and Junos OS across EX, QFX, and MX platforms.
  • Strong understanding of 802.11x wireless protocols, RF design, and wireless security.
  • Skilled with Mist AI dashboards, Marvis, analytics, and automation tools.
  • Experience scripting with Python or similar automation languages.
  • Familiar with security principles (NAC, segmentation, firewall integration).

Preferred Certifications

  • Juniper Mist Certified Specialist or equivalent.
  • JNCIA / JNCIP (Juniper Certified Associate or Professional).
  • CWNP certifications (CWNA, CWDP).
  • Fortinet NSE or CCNP/CCNA certifications are a plus.

Be part of a forward-thinking environment where innovation and intelligence drive every solution. If you're ready to elevate enterprise connectivity through AI-led networking technologies, this opportunity is designed for you.

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