34 Network Security Engineer jobs in Berkshire

How do you feel about working with a dynamic and fast-growing systems integration company specialising in delivering innovative networking and infrastructure solutions to clients across the Energy & Utilities sectors?

A Berkshire based business are hiring for their Network & Security Team as part of their continued expansion and winning multiple new tenders and contracts with the UK’s biggest utilities company.

You’ll be supported by a team of experienced engineers and will gain exposure to a wide range of technologies, vendors, and project work. Training, mentoring, and development are at the heart of the company culture, and committed to helping you grow into a skilled, confident networking professional.

Job Responsibilities

• Provide 1st and 2nd line network support to clients
li>Assist in the configuration, installation, and maintenance of networking equipment (e.g., routers, switches, firewalls)
• Monitor network performance and troubleshoot issues
• Support the delivery of client projects, including site visits where required
• Maintain documentation and update internal systems
• Work closely with senior engineers and project managers to develop your technical skills

Experience required:

• A recent graduate in Computer Science, Network Engineering, IT, or a related field
• A genuine passion for networking and technology
• Knowledge of networking fundamentals (TCP/IP, DNS, DHCP, LAN/WAN, SCADA etc.)
• Exposure to Cisco, Juniper, or other networking vendors (desirable but not essential)
• Strong problem-solving and communication skills

Network Test Engineer
3-6 Month Contract
Newbury (Hybrid)
£(Apply online only)/day (Outside IR35)

CISCO Network Test Engineer needed for a 3-6 Month Contract in Newbury.  Hybrid working - typically 1 day/week working in the office + 4 days/week working remotely (WFH). Occasional travel to other sites including: Farnborough, Bath, Oxford, Warwick + Birmingham.Start ASAP in August 2025.

Must have specific experience of testing Telecoms Network Infrastructure including: CISCO Switches, Routers, Firewalls, RFC 2544 testing + Network Connectivity testing.

A chance to work with a global IT services consultancy for a large-scale Network Infrastructure programme for an end-client in the Telecoms domain.

Key experience + tasks will include:

• Test Engineer needed to support a Critical National Infrastructure (CNI) network connectivity transformation programme.
li>Creating test scripts from Test Plans and Low-Level Designs for Network infrastructure -e.g- Switches, Routers, Firewalls.
• Cisco Switch / Router console commands, setting up network test equipment for RFC 2544 testing + handling fibre optic cabling.
• ALM Test case management, Defect Management, Reporting
• ALM testing (Application Lifecycle Management) testing. Importing test cases, test case management, collecting test execution evidence, reporting execution and defect management in ALM.
• Test phases purposes: Unit, System Integration, Functional, Non-Functional, Disaster recovery, Operation Acceptance testing - OAT)
• Using StableNet Network and Service Management tools.
• Interpreting Network infrastructure design from HLD / LLD + understanding Data Centre operating procedures.
• Telecoms / National Network Infrastructure domain / Utility Gas & Electric experience preferred

Network Support Engineer
Maidenhead (Hybrid/On-site)
30,000 + Progression + Training + Leading Projects + 25 Days Holiday + Pension

A fantastic opportunity for a technically minded Network Support Engineer to join a growing infrastructure team delivering essential services to enterprise customers across the UK.

This is a dynamic role for someone who thrives in a fast-paced environment and enjoys working with cutting-edge networking technologies, supporting critical operations that underpin some of the UK's most important communications infrastructure.

In this role, you will take ownership of incident management, network monitoring, and technical troubleshooting across a multi-vendor environment. You'll support service continuity and performance by diagnosing faults, escalating where necessary, and liaising with both internal teams and external suppliers. You'll also contribute to ongoing service improvements and the implementation of best practices, while keeping up to date with emerging technologies.

The ideal candidate will have experience working in a technical support or NOC environment within telecoms. A network certification (such as CCNA or JNCIA) is essential, and you'll have hands-on experience with technologies such as BGP, OSPF, MPLS, and SD-WAN.

This is an excellent opportunity to join a forward-thinking business involved in major UK network deployments, where you can build your skills, work on high-impact projects, and be part of a team that values accountability, innovation, and technical excellence.

The Role:

• 
  Monitor and manage network incidents across voice and data networks
• 
  Diagnose and resolve incidents within SLAs
• 
  Use tools like SolarWinds and internal ticketing systems to track and manage issues
• 
  Direct field engineers during installations or onsite fault resolution
• 
  Contribute to service improvement initiatives and maintain network security standards
• 
  Support and develop knowledge of DNS, Radius, IP networking, and routing protocols

The Person:

• 
  Experience in a Network Support, NOC, or Telecoms environment
• 
  Associate-level network certification (CCNA, JNCIA, or equivalent)
• 
  Familiar with WAN technologies, troubleshooting Cisco/Juniper/Huawei networks
• 
  Understanding of IP, OSPF, BGP, MPLS and SD-WAN (Fortinet)
• 
  Familiar with ITIL processes for incident and change management

Job Title: Network Wireless Engineer
Location: Reading
Experience: 5+ years
Job Summary:
We are looking for a skilled Network Wireless Engineer to design, implement, and maintain wireless network infrastructure. The ideal candidate will have hands-on experience with wireless technologies, troubleshooting connectivity issues, and ensuring optimal network performance.

Key Responsibilities:

• Design, deploy, and maintain wireless LAN (Wi-Fi) networks.

• Perform site surveys and wireless coverage analysis.

• Troubleshoot wireless connectivity issues and resolve performance bottlenecks.

• Monitor wireless network health and implement improvements.

• Ensure security of wireless communications through proper configuration and encryption.

• Collaborate with IT teams for network upgrades and configurations.

Required Skills:

• Strong understanding of wireless protocols (802.11a/b/g/n/ac/ax).

• Experience with wireless controllers, access points, and antennas (e.g., Cisco, Aruba, Ubiquiti).

• Knowledge of network security and authentication methods.

• Familiarity with tools like Ekahau, NetSpot, or AirMagnet.

• Basic understanding of wired network infrastructure and IP networking.

Preferred Qualifications:

• Bachelor's degree in Computer Science, IT, or related field.

• Relevant certifications (e.g., CWNA, CCNA Wireless, Aruba ACMA).