Network Engineer

Roc Technologies; Greater London; On-site; GBP 38,000 - 54,000; Full time

Job summary

Roc Technologies is seeking a Network Field Engineer to support a high-profile public sector programme delivering a large-scale network transformation across London and the South East. This hands-on, field-based role involves deploying and commissioning LAN infrastructure across 102 locations and testing and commissioning networks to ensure service readiness.

You will work on-site with the installation team, configuring Juniper and HPE switching technologies, installing wireless access points,

Qualifications

• Experience installing and configuring enterprise network infrastructure.
• Strong knowledge of LAN technologies, switching and wireless networking.
• Hands-on experience with Juniper networking technologies.
• Understanding of cabling standards and installation best practices.
• Network fault-finding and troubleshooting skills.
• Ability to travel across London and the South East.
• Good communication with technical and non-technical stakeholders.
• Security principles for network deployments.

Responsibilities

• Install and commission LAN switches and network infrastructure across customer sites.
• Configure Juniper and/or HPE switching technologies.
• Configure and deploy Wireless Access Points (WAPs).
• Perform copper and fibre patching activities.
• Conduct network testing, commissioning, and fault resolution.
• Troubleshoot wired networking issues, escalating where required.
• Ensure network installations follow design documentation and best practices.
• Maintain accurate technical documentation and implementation records.
• Provide regular progress updates to project and service delivery teams.
• Liaise with third-party vendors to progress support cases and queries.
• Identify installation risks and opportunities for improvement.
• Support service handover to Managed Service teams.
• Build positive relationships with customer stakeholders and site contacts.

Skills

Juniper networking

LAN switching

Wireless networking

Copper & fibre cabling

Network testing & troubleshooting

Documentation

Stakeholder communication

Travel readiness

Job description

Network Field Engineer

Location: South East / London (Field Based)

We are looking for a Network Field Engineer with Juniper networking experience to join a high-profile public sector programme delivering a large-scale network transformation across London and the South East.

Working as part of an on-site implementation team, you will play a key role in deploying and commissioning Local Area Network (LAN) infrastructure across 102 customer locations spanning over 67 miles. Reporting to the Senior Network Engineer, you will be responsible for installing, configuring, testing and troubleshooting network infrastructure to ensure successful delivery of a fully managed connectivity service.

This is a hands‑on field‑based position where you will represent the company on customer sites daily. Professionalism, technical expertise, and a customer‑focused approach are essential.

Key Responsibilities

• Install and commission LAN switches and network infrastructure across customer sites.
• Configure Juniper and/or HPE switching technologies.
• Configure and deploy Wireless Access Points (WAPs).
• Perform copper and fibre patching activities.
• Conduct network testing, commissioning, and fault resolution.
• Troubleshoot wired networking issues, escalating where required.
• Ensure network installations are delivered in line with design documentation and best practices.
• Maintain accurate technical documentation, work notes, and implementation records.
• Provide regular progress updates to project and service delivery teams.
• Liaise with third‑party vendors and suppliers to progress support cases and technical queries.
• Identify installation risks, issues, and opportunities for improvement.
• Support service handover activities to Managed Service teams.
• Build positive working relationships with customer stakeholders, facilities teams, and local site contacts.
• Maintain high levels of customer service and professionalism at all times.
• Continuously develop technical skills and industry knowledge.

Skills & Experience

Essential

• Experience installing and configuring enterprise network infrastructure.
• Strong knowledge of LAN technologies, switching, and wireless networking.
• Hands‑on experience with Juniper networking technologies.
• Understanding of network cabling standards and installation best practices.
• Experience with copper and fibre cabling, patching, and structured cabling environments.
• Network fault‑finding and troubleshooting skills.
• Understanding of network security principles.
• Ability to work independently across multiple customer sites.
• Strong communication skills with both technical and non‑technical stakeholders.
• Full UK driving licence and willingness to travel across London and the South East region.

Desirable

• Experience with HPE/Aruba networking technologies.
• Experience working within Public Sector or Local Government environments.
• Wireless survey or deployment experience.
• Previous involvement in large‑scale network rollout programmes.
• Knowledge of ITIL processes and ITSM systems.
• Network‑related certifications such as JNCIA, JNCIS, CCNA, Aruba or equivalent.

Security Clearance

Candidates must be eligible to obtain:

• NPPV3 Clearance (desirable)
• SC Clearance (desirable)
  

This is an excellent opportunity to join a skilled technical team delivering a critical network infrastructure programme for a major public sector customer. You'll gain exposure to enterprise‑scale Juniper environments, contribute to a large and visible deployment project, and play a key role in ensuring successful service delivery across multiple sites.

If you're a hands‑on Network Engineer with Juniper experience and enjoy working in field‑based deployment environments, we'd love to hear from you.