Network Engineer

Network Engineer

Posted 5 days ago by Queen Square Recruitment

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£400 Per day
Inside
Hybrid
England, United Kingdom
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Active Directory Authentications Cisco Adaptive Security Appliance (ASA) Cisco Nexus Switches Complex Networks Computer Hardware Cyber Security Domain Name System (DNS) Servers F5 Load Balancers Generic Routing Encapsulation Lightweight Directory Access Protocols Microsoft 365 Microsoft Visio Network Diagrams Network Engineering Network Infrastructure Network Performance Security Assertion Markup Language (SAML) Single Sign-On (SSO) SSL Security Stakeholder Management Technical Documentation Virtual Private Networks (VPN) VMware Certified Associate Wireshark

Summary: The Network Engineer role involves joining an IT team to support a mission-critical network environment, focusing on the design, implementation, and maintenance of network infrastructure. The position requires a skilled individual capable of ensuring high performance, security, and reliability within the network. The successful candidate will engage in troubleshooting, documentation, and collaboration with vendors to enhance network capabilities. This role is based in various locations including Leamington Spa, Gaydon, Solihull, and Coventry, with a hybrid working arrangement.

Key Responsibilities:

  • Administer and support the wider network environment in mission-critical conditions.
  • Diagnose and troubleshoot complex network issues.
  • Develop technical documentation for new and existing network builds/configuration.
  • Gather requirements from customers and coordinate with vendors (cabling, ISPs, etc.).
  • Perform network modelling, analysis, planning, and hardware installation.
  • Upgrade network hardware and software components as needed.
  • Map and monitor end-to-end network performance.

Key Skills:

  • Hands-on experience in at least 4–5 live customer projects (network refresh/upgrade).
  • Ability to create HLD & LLD documents and draw architecture diagrams.
  • Strong knowledge of firewalls and security technologies: Pulse Secure SSL VPN, Cisco ASA VPN, Checkpoint, Palo Alto, VMware NSX.
  • Experience with authentication systems: SAML, SSO, LDAP, MS Active Directory.
  • Deep understanding of IPSEC, GRE, HTTP/HTTPS, DNS protocols.
  • Experience with Proxy, SSL, and cybersecurity technologies.
  • Proficient in Microsoft Visio for network diagrams.
  • Strong LAN/WAN networking experience, including troubleshooting Cisco environments: Nexus Switches (1000v–9000 series), Cisco Enterprise Routers (3900, 3800) & LAN Switches (3700, 3500, 2900 series).
  • Knowledge of BIG-IP F5 Load Balancers and wireless technologies (WLCs, APs).
  • Network sniffers/log capture: Wireshark, Ethereal, SolarWinds, or equivalent.
  • Minimum 7+ years in network engineering or related roles (negotiable depending on technical skills).
  • Proven experience in troubleshooting and supporting large-scale Cisco networks.
  • Familiarity with network upgrade projects and high-availability environments.
  • Strong communication and documentation skills.
  • Client-facing and able to coordinate with multiple stakeholders.
  • Assertive, supportive, and able to lead or be a key team member.
  • Ability to work on-call or weekends as needed (with prior notice).

Salary (Rate): £400/day

City: Leamington Spa

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Job Title: Network Engineer

Location: Leamington Spa / Gaydon / Solihull / Coventry (On-site / Hybrid)

Contract Duration: 6 months

Day Rate: Up to £400/day (Inside IR35)

Job Purpose: We are seeking a skilled Network Engineer to join our IT team and support a mission-critical, highly available network environment. The successful candidate will design, implement, and maintain network infrastructure while ensuring high performance, security, and reliability.

Key Responsibilities:

  • Administer and support the wider network environment in mission-critical conditions.
  • Diagnose and troubleshoot complex network issues.
  • Develop technical documentation for new and existing network builds/configuration.
  • Gather requirements from customers and coordinate with vendors (cabling, ISPs, etc.).
  • Perform network modelling, analysis, planning, and hardware installation.
  • Upgrade network hardware and software components as needed.
  • Map and monitor end-to-end network performance.

Required Skills / Knowledge:

  • Hands-on experience in at least 4–5 live customer projects (network refresh/upgrade).
  • Ability to create HLD & LLD documents and draw architecture diagrams.
  • Strong knowledge of firewalls and security technologies : Pulse Secure SSL VPN, Cisco ASA VPN, Checkpoint, Palo Alto, VMware NSX.
  • Experience with authentication systems : SAML, SSO, LDAP, MS Active Directory.
  • Deep understanding of IPSEC, GRE, HTTP/HTTPS, DNS protocols.
  • Experience with Proxy, SSL, and cybersecurity technologies .
  • Proficient in Microsoft Visio for network diagrams.
  • Strong LAN/WAN networking experience, including troubleshooting Cisco environments: Nexus Switches (1000v–9000 series) Cisco Enterprise Routers (3900, 3800) & LAN Switches (3700, 3500, 2900 series)
  • Knowledge of BIG-IP F5 Load Balancers and wireless technologies (WLCs, APs).
  • Network sniffers/log capture: Wireshark, Ethereal, SolarWinds, or equivalent.

Experience Required:

  • Minimum 7+ years in network engineering or related roles (negotiable depending on technical skills).
  • Proven experience in troubleshooting and supporting large-scale Cisco networks.
  • Familiarity with network upgrade projects and high-availability environments.

Person Specification:

  • Strong communication and documentation skills.
  • Client-facing and able to coordinate with multiple stakeholders.
  • Assertive, supportive, and able to lead or be a key team member.
  • Ability to work on-call or weekends as needed (with prior notice).
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