866 Network Specialist jobs in the United Kingdom

A UK-based IT Resilience managed service provider with a strong reputation for innovation and growth. The company has expanded significantly, winning new business and industry awards, while maintaining a close-knit, collaborative culture. Many senior staff have progressed internally from entry-level roles, supported by a strong ethos of development and mentorship.

Seeking a highly experienced networking professional to support and enhance data centre infrastructure. The successful candidate will work closely with internal teams to design, build, and maintain high-performance, secure networking systems that support core business services.

This role blends strategic thinking with hands-on technical execution, offering the opportunity to make a visible impact across the organization.

• Design, deploy, and maintain data centre networking infrastructure (Layer 2 & Layer 3).
• Manage and optimize MPLS and VPLS networks.
• Provision and manage cross-connects with infrastructure providers and peering partners.
• Configure and administer firewalls (rules, VPNs, HA, traffic shaping).
• Manage enterprise switching environments (Mellanox and Meraki).
• Collaborate with systems/platform teams for scalable deployments.
• Ensure network security, redundancy, and compliance.
• Document network topology, standards, and troubleshooting procedures.
• Support migrations, incident response, and performance tuning.

Essential Skills & Experience:

• Proven experience in data centre networking.
• Hands-on with MPLS, VPLS, and cross-connects.
• Strong routing protocol knowledge (OSPF, BGP).
• Firewall configuration and troubleshooting.
• Expertise with Mellanox and Meraki switches.
• VLAN segmentation, link aggregation, QoS strategies.

Desirable Skills:

• Familiarity with automation tools (Ansible, Terraform).
• Experience with software-defined storage (Cloudian, QuantaStor).
• Hybrid cloud networking (AWS Direct Connect, Azure ExpressRoute).
• Certifications (CCNP, JNCIS, or equivalent).

Personal Attributes:

• Effective multitasking and prioritization.
• Quick learner and knowledge sharer.
• Strong team collaboration and communication.

Provide expert 3rd line support for network-related incidents, changes, and service requests.

We're Hiring a 3rd Line Network Specialist!

Location: London / Hybrid

Type: Full-Time Permanent Role

Salary: 75,000 base salary plus benefits, perks and healthcare options and Competitive Bonus!

Client: MSP (Managed Service Provider)

What You'll Be Doing:

• Provide expert 3rd line support for network-related incidents, changes, and service requests
• Take ownership of escalated tickets and manage them through to resolution
• Design and implement infrastructure changes based on client requirements
• Collaborate closely with the 2nd Line Service Desk and Solution Delivery teams
• Mentor 2nd Line engineers and contribute to their technical development
• Create and maintain documentation, including Visio diagrams and technical summaries
• Participate in DR/failover testing and on-call support for critical issues
• Support new customer projects through configuration and technical input

Our Technical Landscape Includes:

• Switching & Wireless: Cisco, Meraki, Aruba, HP, Dell, Juniper
• Security: Palo Alto, Fortinet, Cisco ASA, Prisma
• SD-WAN: Meraki, Viptela, Citrix, Nuage, Fortinet
• Infrastructure: Cisco NAC ISE, Cisco Nexus (7k, 5k, 2k), SD-A/DNAC
• Cloud & Automation: Azure, AWS, Python, Ansible

What You'll Bring:

• Strong technical foundation equivalent to CCNP or JNCIP-ENT level
• Solid experience troubleshooting Layer 2/3 protocols, OSPF and BGP
• Hands-on experience with at least one enterprise firewall: Palo Alto , Fortigate , or Cisco ASA
• Proven ability to perform root cause analysis and resolve complex network issues
• Experience in a Managed Services Provider (MSP) environment
• Familiarity with cloud networking and automation tools

Ready to take the next step in your networking career?

Apply today and be part of a team where your skills and ideas make a real impact.

Provide expert 3rd line support for network-related incidents, changes, and service requests.

We're Hiring a 3rd Line Network Specialist!

Location: London / Hybrid

Type: Full-Time Permanent Role

Salary: 75,000 base salary plus benefits, perks and healthcare options and Competitive Bonus!

Client: MSP (Managed Service Provider)

What You'll Be Doing:

• Provide expert 3rd line support for network-related incidents, changes, and service requests
• Take ownership of escalated tickets and manage them through to resolution
• Design and implement infrastructure changes based on client requirements
• Collaborate closely with the 2nd Line Service Desk and Solution Delivery teams
• Mentor 2nd Line engineers and contribute to their technical development
• Create and maintain documentation, including Visio diagrams and technical summaries
• Participate in DR/failover testing and on-call support for critical issues
• Support new customer projects through configuration and technical input

Our Technical Landscape Includes:

• Switching & Wireless: Cisco, Meraki, Aruba, HP, Dell, Juniper
• Security: Palo Alto, Fortinet, Cisco ASA, Prisma
• SD-WAN: Meraki, Viptela, Citrix, Nuage, Fortinet
• Infrastructure: Cisco NAC ISE, Cisco Nexus (7k, 5k, 2k), SD-A/DNAC
• Cloud & Automation: Azure, AWS, Python, Ansible

What You'll Bring:

• Strong technical foundation equivalent to CCNP or JNCIP-ENT level
• Solid experience troubleshooting Layer 2/3 protocols, OSPF and BGP
• Hands-on experience with at least one enterprise firewall: Palo Alto , Fortigate , or Cisco ASA
• Proven ability to perform root cause analysis and resolve complex network issues
• Experience in a Managed Services Provider (MSP) environment
• Familiarity with cloud networking and automation tools

Ready to take the next step in your networking career?

Apply today and be part of a team where your skills and ideas make a real impact.

• Design, implement, and manage network security infrastructure, including firewalls, VPNs, IDS/IPS, and web application firewalls (WAFs).
• Monitor network traffic for security breaches and suspicious activities, responding promptly to incidents.
• Conduct regular vulnerability assessments and penetration testing to identify and address security weaknesses.
• Develop and enforce security policies, standards, and procedures.
• Stay abreast of the latest cybersecurity threats, vulnerabilities, and mitigation techniques.
• Collaborate with network engineers and IT teams to ensure security is integrated into all network operations.
• Manage security-related incident response activities, including investigation, containment, and remediation.
• Develop and maintain security documentation, including network diagrams and operational procedures.
• Ensure compliance with relevant security regulations and industry best practices.
• Participate in security awareness training for staff.

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 4 years of experience in network security engineering or a similar role.
• Strong understanding of network protocols, security architectures, and cybersecurity principles.
• Hands-on experience with security technologies such as firewalls (Palo Alto, Fortinet), IDS/IPS, SIEM, and endpoint security solutions.
• Experience with security frameworks and compliance standards (e.g., ISO 27001, NIST).
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong written and verbal communication skills.
• Ability to work independently and manage tasks effectively in a remote environment.
• Relevant security certifications such as CISSP, CEH, or Security+ are highly desirable.
• Experience with cloud security (AWS, Azure) is a plus.

Our client, a leading private equity firm is seeking a Director-level Talent Network Specialist with significant experience in C-suite and board-level recruitment, including CEOs and Non-Executive Directors, and a proven background working with private equity–backed companies.

This is a high-impact position where the successful candidate will work closely with portfolio businesses to identify leadership gaps, secure top executive hires, and support organisational growth across a range of sectors.

Location & Work Pattern

• Base: London, the Midlands, or Scotland
• 3 days per week in-office
• Travel required across the North, Midlands, Scotland, Northern Ireland, and Ireland

Key Responsibilities

• Identifying board-level leadership needs and presenting high-calibre executive candidates
• Supporting Deal Teams with talent strategy, executive search, and management due diligence
• Driving leadership development and performance reviews across portfolio Boards
• Ensuring best practices in Talent Network operations, data management, and communications

Candidate Requirements

• Extensive experience recruiting at the C-suite/Board level, including CEOs and Non-Executive Directors
• Demonstrated success working with private equity–backed companies
• Strong judgment in assessing senior-level candidates and cultural fit
• Expertise in organisational design, talent planning, and leadership development
• Ability to manage multiple high-priority projects in demanding, fast-paced environments

• Monitor network performance using specialized tools and identify potential issues or outages.
• Respond promptly to network alerts and incidents, performing root cause analysis and implementing timely resolutions.
• Manage and maintain network devices, including routers, switches, and firewalls.
• Configure and troubleshoot network protocols and services.
• Implement network changes and upgrades in accordance with established procedures.
• Ensure network security by monitoring for threats and implementing necessary safeguards.
• Collaborate with cross-functional teams to resolve complex network problems.
• Document network configurations, procedures, and troubleshooting steps.
• Participate in on-call rotations to provide 24/7 network support.
• Continuously evaluate and recommend improvements to network infrastructure and operational processes.

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Proven experience in network operations or network administration.
• Strong understanding of TCP/IP, routing protocols (e.g., BGP, OSPF), switching technologies, and network security concepts.
• Familiarity with network monitoring tools (e.g., Nagios, SolarWinds, Zabbix).
• Experience with network device configuration (e.g., Cisco, Juniper).
• Excellent troubleshooting and problem-solving skills.
• Ability to work independently and manage time effectively in a remote setting.
• Strong communication and interpersonal skills for effective virtual teamwork.
• Relevant certifications such as CCNA, CCNP are highly desirable.
• A dedicated home office with a stable, high-speed internet connection is mandatory.