Senior IT Engineer

  • Aegis Group
  • Fyfield, Oxfordshire
  • Jun 15, 2026
Full time Telecommunications

Job Description

Senior IT Engineer Fyfield, Oxfordshire Full Time £46,000-£58,000 per annum (depending on experience) Business/performance related bonus

Are you ready to take your career to the next level with a company that has been a cornerstone of IT solutions for businesses for over 30 years?

Our client is passionate about technology, innovation, and creativity. They are seeking a dynamic Senior IT Engineer with a focus on Cisco networking and Fortinet Firewalls to join their team and contribute to their continued success.

The Role

You will play a crucial role in implementing and managing new projects and installations, providing remote and on-site end-user support, and maintaining existing infrastructure. Your responsibilities will include problem analysis, documentation, and ensuring configurations are up to the highest standards.

Key Responsibilities

Network Design & Implementation

  • Architect scalable networking solutions based on individual business requirements
  • Work with senior management to define Aegis policies and procedures
  • Create network topologies and diagrams
  • Recommend network hardware and software improvements to enhance service delivery and profitability
  • Implement new network technologies and infrastructure upgrades

Support, Maintenance & Troubleshooting

  • Monitor network performance and identify potential issues
  • Conduct problem analysis and investigations, diagnosing and resolving complex network problems
  • Ensure all systems are monitored and backed up at agreed intervals
  • Perform routine network maintenance checks
  • Provide and coordinate on-site end-user support
  • Escalate critical network issues to management when required

Network Security

  • Implement network security policies and best practices
  • Ensure network systems are protected and accessible only by engineers with the appropriate skillset
  • Identify and mitigate network vulnerabilities
  • Test and apply security patches and firmware updates to maintain system security

Capacity Planning & Optimisation

  • Assess network capacity and plan for future growth
  • Optimise network performance through traffic analysis and necessary adjustments
  • Implement network load-balancing strategies

Team Leadership & Mentoring

  • Provide technical guidance and support to junior engineers
  • Train and develop team members on new technologies
  • Review and approve network changes
  • Support other teams when required to ensure customer systems remain operational and maintained

Documentation & Reporting

  • Maintain detailed network documentation, including procedures, configurations, and diagrams, to a high standard
  • Generate network performance and security reports for management

Network Management Responsibilities

  • Operational management of networking systems
  • Manage field engineers to ensure fixes and installations are completed within contractual and project timescales
  • Advise senior management of any required changes to engineer schedules to ensure adequate team coverage
  • Manage network-related projects
  • Participate in management meetings relating to network projects and support tickets
  • Collaborate with other teams to ensure projects are delivered as defined
  • Participate in engineer reviews and training schedules
  • Ensure all new deployments and upgrades are updated within WUG, SolarWinds, and IT Glue

Requirements

Essential

  • 4-5+ years' experience in a similar IT infrastructure or network engineering role
  • Proven ability to build and maintain lasting customer relationships
  • Expertise in providing both remote and on-site support
  • Ability to commute to Fyfield, Oxfordshire and work in a fully office-based role
  • In-depth knowledge of Cisco routers and switches
  • Experience with Fortinet firewall configuration, management, and reporting
  • Strong networking knowledge, including TCP/IP, routing, connectivity, and IT security
  • Windows Server administration experience
  • Excellent written and verbal communication skills
  • Active Directory and Azure AD administration

Desirable

  • Strong Microsoft technology experience, including Azure, Microsoft 365, and Intune
  • Experience with Windows Hyper-V and Hyper-V clustering
  • Experience supporting Windows 10/11 and Apple devices
  • Experience with Intune, Apple, and Meraki MDM solutions
  • Knowledge of backup technologies and disaster recovery processes
  • Microsoft SQL Server experience

What s In It For You

  • Business/performance-related bonus
  • Potential company vehicle for the right candidate
  • Company pension
  • Employee discount
  • Flexible schedule
  • Private Health Care
  • Group Life
  • Eligible for profit-share after 12 months of continuous service

What s next? It s easy! Click APPLY now! We can t wait to hear from you!

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