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iO Associates

Network Engineer

iO Associates
United Kingdom · Full-time · Entry

Job Title: Network Engineer

Location: Portsmouth - Hybrid (3 days onsite)

Employment Type: Permanent

About the Client

Our client is a leading organisation within the utilities sector, delivering essential infrastructure services to local communities. With a strong focus on resilience, security, and innovation, they are investing in modernising their network environment across on-prem and cloud platforms.

Role Overview

We're hiring a Network Engineer to design, secure, and maintain robust network systems supporting critical infrastructure. The role blends traditional networking with hybrid cloud (Azure), with a strong emphasis on Fortinet technologies and network security.

This is a hybrid position requiring 3 days onsite in Portsmouth.

Key Responsibilities

  • Maintain secure network infrastructure (on-prem & cloud)
  • Configure and manage Fortinet firewalls and security appliances
  • Monitor performance and resolve network issues
  • Support Azure cloud and hybrid networking
  • Implement and maintain network security controls
  • Contribute to scalable, resilient architecture design

Required Experience

  • Hands-on experience with Fortinet technologies
  • Strong knowledge of traditional networking principles
  • Experience in Azure cloud networking
  • Understanding of firewalls, access controls, and security standards
  • Strong problem-solving and communication skills

Nice to Have

  • Fortinet NSE, CCNA/CCNP, or cloud certifications
  • Automation or scripting experience
  • Background in utilities or infrastructure environments

What's on Offer

  • 27 days annual leave + bank holidays
  • Pension contribution up to 15%
  • Performance-related bonus
  • Enhanced family leave
  • Life assurance (4x salary)
  • Wellbeing support & additional employee benefits

Please note: Sponsorship is not available for this role. Applicants must have the right to work in the UK.

If you're passionate about network security, resilience, and supporting critical infrastructure, this is a strong opportunity to make a meaningful impact.

Key Skills

Ranked by relevance

cloud fortinet network security firewalls
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Posted
Mar 19, 2026
Type
Full-time
Level
Entry
Location
Portsmouth

Industries

Information Services Software Development Technology Information Internet

Categories

Consulting Information Technology

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