2,199 Ccna jobs in the United Kingdom

Network Engineer

• Location: Hybrid with flexible base location
• London: £48,988 to £7,358 per annum
• National: 5,169 to 2,107 per annum
• Hours: 36 hours per week - flexible options considered
• Contract Type: Permanent

Are you looking to progress your career and make a real difference?

This is a great opportunity to join our team - Employer of the Year Housing Heroes awards 2025 and one of LinkedIn's Top Companies 2024

We're looking for a Network Engineer to manage, optimise, design, and implement changes to the enterprise network infrastructure, working within an agile team, covering over 200 sites.

You'll ensure seamless connectivity, efficient data transmission, and robust security

across all systems and foster a culture of learning and continuous improvement throughout the organisation, mentoring and developing technical analysts.

With excellent network knowledge and experience in networking principles, protocols, and technologies and experience in designing and implementing network infrastructure you'll focus on security, scalability, and performance, leveraging Fortinet solutions.

With hybrid working, base locations across England and flexible working arrangements this could be the opportunity you've been looking for!

Please review the full role profile on our website before applying.

Salaries are just the starting point. Here at Clarion we're dedicated to rewarding hard work and commitment, and providing benefits that support you and your lifestyle.

Not sure who we are and what we do? Click 'apply' to visit our website where you can dive in and find out more about us and the benefits we offer.

Closing Date: Monday 13th October 2025 at midnight.

This is a hybrid role with a base location offered at one of our offices across England.

Applicants must be able to travel to remote sites regularly if required.

At Clarion Housing Group, we support the responsible use of AI. Please visit our website to view your guide to using AI during your recruitment process.

You must be eligible to work in the UK to apply for this vacancy; Clarion are not able to offer visa sponsorship. You are required to reside in England or Wales for the duration of your employment.

Are you an experienced Network Engineer with a passion for cutting-edge Cisco technologies?

Are you ready to take the next step in your career with a forward-thinking, UK-leading organisation?

This is an opportunity for a Network Infrastructure Engineer to join a dynamic team of three talented engineers. This is a hands-on, high-impact role where your expertise will directly contribute to the performance and security of the network estate.

Key Responsibilities:

• Upgrade and install WAN and LAN across multiple sites
• Strong knowledge of CISCO
• HP Aruba
• Monitoring tools

What We're Looking For:

• Minimum 3 years of Cisco networking experience
• Cisco certification - CCNA
• Full UK driving licence
• Knowledge of Microsoft windows server administration.
• Comfortable working hybrid from Newcastle (3 days/week)

What's in It for You?

• Competitive salary up to 46,000.
• Generous holiday allowance
• Outstanding career development and training opportunities
• Work with a collaborative, expert team in a supportive environment
• Be part of a company that values innovation, integrity, and impact

Sound Interesting? Please get in touch today and become a key player in shaping the future of the infrastructure.

Field-based Network Engineer role supporting schools across the South East – hands-on position with travel, up to £35K salary, and mileage reimbursement.

Network Engineer

Location:  South East – Office & On-site

Salary : Up to £35,000 per annum + mileage reimbursement

A dynamic IT services provider supporting educational institutions across Kent and the South East. They specialise in network cabling, wireless systems, SIMS/MIS support, filtered broadband, and proactive IT solutions tailored for schools.

This full-time, permanent role is hands-on and field-based, involving travel to client sites across the South East. You’ll be responsible for designing, implementing, and maintaining robust network systems that support the critical operations of schools and academies.

Benefits include:

• Mileage reimbursed
• Opportunities for professional development
• Supportive team environment

Responsibilities :

• Design and implement LAN/WAN/Wi-Fi systems
• Conduct site visits for installation, troubleshooting, and upgrades
• Collaborate with internal teams and school IT staff
• Maintain documentation of network configurations
• Ensure safeguarding and data protection compliance
• Provide occasional support for the broader IT infrastructure

Candidate Requirements:

• Proven experience in network system design and implementation
• Confident in high-level technical discussions
• Full UK driving licence and own vehicle
• Enhanced DBS within the last three years
• Strong grasp of networking protocols, hardware, and diagnostics
• Excellent communication and problem-solving skills

Desirable :

• Experience in the education sector
• Certifications such as CCNA or equivalent

Apply now!

Our successful and growing client, based in Sheffield, is seeking to recruit a talented Network Engineer to play a pivotal role in managing and enhancing their global IT infrastructure. The successful candidate will focus on optimising network performance, driving standardisation across sites, and implementing advanced security measures.

• Provide second and third-line support for network-related issues, ensuring swift resolution and conducting thorough root-cause analysis.
• Assist in designing, configuring, and managing a Cisco-focused network environment, alongside cloud infrastructure such as Azure and AWS.
• Implement and maintain security and SD-WAN solutions using Fortinet technologies to improve both security and efficiency.
• Deploy and manage cloud security tools, enhancing internet protection and threat detection.
• Monitor network and cloud systems to identify performance improvements, delivering detailed reports with actionable insights.
• Document network configurations, updates, and incidents to maintain compliance with company policies and regulatory standards.
• Stay informed on the latest networking and cloud technologies developments, collaborating across IT teams to drive infrastructure projects.
• Occasional travel to other offices to support onsite tasks such as equipment setup and configuration.

• Strong problem-solving skills with the ability to manage and resolve complex networking challenges.
• Proven experience in a similar role, supporting and optimising network systems.
• Cisco Certification (minimum CCNA) with practical expertise in Cisco technologies.
• Hands-on experience with Fortinet security solutions and SD-WAN configuration.
• Ability to work independently and as part of a collaborative team.
• A valid UK driving licence.

• Knowledge of cloud platforms, including Azure and AWS.
• Familiarity with tools such as Zscaler, Cisco Meraki, and network monitoring software.
• Additional qualifications, such as ITIL or similar certifications.

Network Engineer
London (City Thameslink) | £78,500 + Benefits | Hybrid (3 days office) 

The Opportunity
Join a leading professional services firm. You'll play a key role in maintaining and evolving a modern enterprise network, working with cutting-edge Cisco, Palo Alto, and Fortinet technologies. This is a high-visibility role in a collaborative IT team with real scope to influence future projects.

Key Responsibilities

• Design, implement & manage LAN/WAN infrastructure (Cisco Catalyst, Nexus).
• Configure & maintain Palo Alto Prisma Access, FortiGate firewalls & SD-WAN.
• Lead on Cisco ISE authentication & Cisco Wireless LAN solutions.
• Support Azure networking, routing (BGP, OSPF) & Layer 2/3 fundamentals.
• Troubleshoot, optimise & secure complex enterprise networks.
• Partner with IT/security teams to strengthen resilience & compliance.

In order to be successful for this role you will need to be able to demonstrate the following experience:

• Strong background working as a Network Engineer within large scale environments
• Proven experience with Cisco ISE
• Strong understanding of Cisco wireless solutions
• Good knowledge of Azure
• Previous experience supporting and troubleshooting Fortinet products (E.g – FortiGate)

What's on Offer

• Salary up to £78,500
• Hybrid working (3 days in office)
• Private medical, pension & annual leave package
• Hands-on exposure to Cisco ISE, wireless, firewalls & Azure cloud stack
• Opportunity to shape future infrastructure in a forward-thinking team.

Apply now to join a progressive IT function driving real transformation.

Network Engineer – Slough - £38k + excellent benefits

Our client is a well-established school based in Slough; due to continued growth and expansion they are looking to recruit a Network Engineer

Key tasks and Responsibilities:

• Under the guidance of the Network Manager: Provide specialist ICT support that ensures the school/centre establishes and maintains high quality learning facilities.
• Become the “second in command” to the Network Manager, and if working for a Trust Network Manager, potentially lead that satellite site – so the ability to work independently is a must.
• Maintenance of specialist equipment, check for quality/safety, undertake specialist repairs/modifications within own capabilities, and arrange for other repairs/modifications to be carried out by others.
• Demonstrate and assist in the safe and effective use of specialist equipment/materials.
• Provide specialist advice and guidance as required to School/Centre.
• Ability to effectively communicate (verbally and in writing) technical information at an appropriate level, and in a suitable style, having assessed the audience.
• Implement agreed work programmes/practices under the guidance of Senior Staff.
• Monitor and manage stock within an agreed budget, cataloguing resources and undertaking audits as required.
• Disk space checks
• Backup checks
• Event log checks
• Cluster Shared Volume/Shared Storage for Hypervisors
• SNMP Traps

Technical Expertise:

• Monitor onsite helpdesk, ensuring ticket resolution quality and quantity is within SLA
• Resolve tickets at all levels (first through to third line)
• Set up and maintain complex physical and virtual Windows server environments
• Configure and troubleshoot basic network and switch management
• Install hardware and software applications as required
• Configure and troubleshoot Mobile Device Management in Apple environments
• Perform maintenance tasks for user accounts
• Develop and engage with network and service monitoring reports and utilities

Keywords – assistant network manager, network engineer, Networks, network manager, networking, switches, network infrastructure, routers, firewalls, firewall, malware, Active Directory, Azure AD, Microsoft 365, cloud platform, cloud, servers, IT Support, Network support, IT, Microsoft, Cisco, Aruba, SNMP, 3rd line support, Apple, Slough

Role Title: Network Engineer

6 months
Rate: 506
Hybrid -3 days on site in London


Role Summary

UK ITS AS (ENET) Engineer will be a member of the team that is responsible for the support and management of the of the infrastructure that supports the Bank's electronic business (known within other banks as Electronic Trading or Pre-Trade). This will be achieved by leveraging the technical expertise of other teams within UK ITS.

Team members will work closely with core Infrastructure teams, development and the business responding to requests, fault reports, often being required to resolve issues quickly, under pressure and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed.

Role Description

• Deliver and support low latency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs.
• Apply SRE principles to improve availability, latency, performance, and capacity planning across trading infrastructure.
• Collaborate with network and platform engineers to design reliable, self-healing systems and reduce manual intervention through automation.
• Own and execute the Global Markets connectivity roadmap, from project delivery through to operational handoff and lifecycle management.
• Partner with business stakeholders and platform owners to ensure infrastructure and observability tooling meets evolving trading requirements.
• Monitor and manage capacity and performance of global connectivity systems, working with regional teams to aggregate local intelligence.

• Develop and maintain automated alerting, health checks, and dashboards, supporting proactive detection of issues and system degradation.
• Lead lab-based testing and benchmarking initiatives for new connectivity solutions, ensuring readiness for production deployment.
• Produce operational and performance KPIs, SLO/SLI metrics, and executive summaries to support senior decision-making.

Requirements

• Strong background in low latency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis.
• Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to build custom decoders is highly advantageous.
• Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs.
• Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments.
• Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows.
• Knowledge of FIX, market data, and order routing protocols in a trading environment.
• Exposure to observability platforms such as ITRS Geneos, Prometheus, Grafana, or custom telemetry stacks.
• Comfortable working across Linux systems, hybrid infrastructure, and global production environments.
• Excellent communication and reporting skills, with ability to translate technical data into actionable business insights.

Network Engineer - Contract

-London (2 days onsite, 3 days remote)
-550 per day (Inside IR35)
-6-month initial contract, with strong chance of extension
-Active SC Clearance required

We are looking for an experienced Network Engineer to join a high-profile project on a contract basis. This role offers the opportunity to work with cutting-edge Cisco technologies while helping to deliver secure, resilient, and modern network solutions.

In this position, you will take ownership of complex network issues and ensure they are resolved efficiently. You will support the rollout and optimisation of Cisco Software-Defined Access, collaborate closely with security, infrastructure and application teams, and contribute to the design of reliable and secure enterprise solutions. Clear documentation and knowledge sharing will be a key part of the role, along with mentoring and supporting colleagues where required.

The successful candidate will bring significant experience in network engineering, ideally five or more years with a focus on Cisco platforms. You will have proven exposure to Software-Defined Access, a solid understanding of enterprise networking protocols, and a working knowledge of network security principles. Familiarity with scripting or automation tools such as Python or Ansible is highly desirable, and professional certifications such as CCNP or higher will be an advantage.

This is a hybrid role requiring two days a week onsite in London. In return, you will receive a competitive day rate of 550 inside IR35, an initial six-month contract, and the strong likelihood of extension on a long-term project.

If you are SC Cleared and looking for your next contract opportunity, we would love to hear from you. Apply today to take the next step in your contracting career

The company

Major IT & Digital are delighted to be working with one of UK’s leading IT and telecom business operating across a well-established UK client base.

With over 25 years industry experience achieving a UK turnover in excess of £15m with continued growth plans for 2025/26.

The role

Reporting directly to the Head of Operations you will provide network and security knowledge including extensive service to my clients current and future customers.

The person

• At least 5 years commercial experience in a similar networking environment including builds and configurations knowledge with client delivery exposure
• Ability to troubleshoot routing and switching protocols including WAN & LAN technologies
• Responsible for maintaining and extending the network infrastructure
• Good technical understanding of multiple network vendor CLI languages
• Strong knowledge of TCP/IP, R&S, firewalls and security issues
• Experience of installing, configuring, and maintaining routers and switches within a production environment
• Experience of WAN circuits and solutions - MPLS and VPN’s
• Knowledge of PBX, IP and VOIP systems (desirable)
• CCNA certification, preferred not essential

**UK driving licence is essential for this role and also willing to undertake SC clearance**

The benefits

Company Car

On-call allowance 

Annual bonus 

Private medical

22 days plus 8 public holidays

Progression route to technical lead

Industry certifications