Network Infrastructure Specialist

4 weeks ago


Milton Keynes, Milton Keynes, United Kingdom GBA5 EntServ UK Limited Full time

Job Title: Network Engineer

Job Summary:

GBA5 EntServ UK Limited is seeking a skilled Network Engineer to join our team. The successful candidate will be responsible for the analysis, design, installation, configuration, maintenance, and repair of network infrastructure and application components to ensure network performance meets customer satisfaction.

Key Responsibilities:

  • Network management – design, installation, configuration, management, connectivity (ether channel, 802.1x), and troubleshooting of complex switching, routing, and wireless LAN/WAN environments.
  • Firewall management – installation, configuration, management, and troubleshooting.
  • VPN management – installation, configuration, management, and troubleshooting site-to-site and remote user VPNs.
  • Cabling and patching.
  • Configuring telephony and VoIP, understanding VoIP protocols.
  • Windows server management, particularly understanding and configuring DHCP, DNS, NPS.
  • Good understanding of SAN technologies.
  • Strong troubleshooting skills.
  • Using and understanding network analyzing tools (e.g., Wireshark).
  • Knowledge of help desk systems and managing service requests/incidents/problems.
  • Respond to users with set service level agreements (SLAs).
  • Provide 3rd line technical support and assist 1st/2nd line support resolution.
  • Attention to detail and the ability to meet agreed build standards.
  • Ability to explain technical concepts and provide guidance to customers.
  • Ability to write technical documentation for all aspects of the technical infrastructure.
  • Good organizational and communication skills.

Desirable Skills/Qualifications:

  • Network engineering experience (Cisco).
  • Cisco Switching & Routing (CCNA/CCNP).
  • Firewall administration and configuration experience.
  • VPN experience IPSEC & SSL.
  • Wireless experience (Cisco Wireless Access Points and Controllers).
  • VoIP experience (Cisco Call Manager).
  • Brocade SAN fabric switches.
  • Cisco port security 802.1x.
  • Microsoft DNS, DHCP & NPS.
  • Strong interpersonal, facilitation skills along with effective communication (both written and verbal) skills.
  • Good project management skills.
  • Valid UK driving license.
  • SC Cleared or eligible and prepared to attain SC Clearance.
  • Additional Cisco certification – wireless, security.
  • Checkpoint CCSA certification.
  • Telephony (Alcatel).
  • VMware experience.
  • Microsoft experience – Windows Server and Client, Active Directory, DHCP, DNS, Exchange Server.
  • Scripting.
  • Network monitoring tools and performance monitoring (Nagios, Cacti, NeDi).
  • ITIL certification.

Other Qualifications:

  • An advanced degree in a relevant field is a plus.
  • Relevant certifications, such as CompTIA A+, AWS Certified Cloud Practitioner, or Microsoft 365 Certified: Fundamentals, are a plus.

Working for GBA5 EntServ UK Limited:

GBA5 EntServ UK Limited is a leading provider of IT services and solutions. We are committed to delivering high-quality services to our customers and providing a positive working environment for our employees.

What We Offer:

  • A competitive salary and benefits package.
  • Opportunities for career development and growth.
  • A dynamic and supportive work environment.
  • The chance to work on exciting and challenging projects.

How to Apply:

If you are a motivated and experienced Network Engineer looking for a new challenge, please submit your application, including your CV and a cover letter, to [insert contact information].



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