Hamilton Barnes Associates Limited
Line Network Support Engineer - ISP
Line Network Support Engineer - ISP at Hamilton Barnes Associates Limited, based in London. This is a permanent role.
- Pay
- Not given by the employer
- Hours and contract
- Permanent · On site
- Location
- London
- Closing date
- Sector
- IT Support
Reference 642846127194382473
About the role
Are you ready to be part of an organization shaping the future of global connectivity and digital transformation?
Join a global communications and technology leader delivering secure network, cloud, and digital solutions to businesses and public sector organizations across more than 180 countries. With a strong focus on innovation, cybersecurity, and next-generation connectivity, the organization helps customers modernize infrastructure, enhance customer experiences, and operate more efficiently in an increasingly complex digital world. Backed by global scale, deep technical expertise, and a reputation for reliability, it partners with organizations to drive transformation, improve resilience, and support long-term, sustainable growth.
Ready to make an impact with a team that connects the world? Apply today.
Responsibilities
- Act as a 3rd line escalation point for complex network incidents and problems.
- Troubleshoot advanced issues across LAN, WAN, and SD-WAN environments.
- Support and optimise HPE Aruba switching estates.
- Work with Fortinet SD-WAN and Palo Alto Prisma SD-WAN platforms.
- Collaborate with design and project teams on network improvements and changes.
- Perform root cause analysis and implement permanent fixes, not just workarounds.
- Maintain high-quality technical documentation and knowledge base articles.
- Support secure network operations within regulated and sensitive environments.
Skills / Must Have
- CCNP-level skills with a current professional-level certification (essential).
- Strong enterprise networking background (routing & switching).
- Hands-on experience with HPE Aruba switching.
- SD-WAN experience (vendor-agnostic accepted).
- Ability to operate confidently in a 3rd line support capacity.
- Eligible for SC Clearance (or already SC cleared).
Nice to Have
- Fortinet SD-WAN experience.
- Palo Alto Prisma SD-WAN exposure.
- Experience supporting large, multi-site network estates.
Benefits
- No on-call rota.
- Working hours: 9am–5pm, Monday to Friday.
- Hybrid working with 3 days per week in the office.
- Choice of office locations: London, Belfast, Birmingham, Sheffield, Manchester, Bristol
- Training and development support to keep certifications current.
- Stable, well-run environment with clear technical ownership.
Salary
- £50,000 – £70,000 per annum, depending on experience.
#J-18808-Ljbffr
Reference: 642846127194382473 · Posted 1 week ago · Closes 5 Dec 2026 · Listed via Hamilton Barnes Associates Limited
Apply for this job
This role is listed via Hamilton Barnes Associates Limited. Applications are handled on the employer's site.
Apply on employer siteOpens the employer's website in a new tab.
Signed in? Every job you apply for counts toward your weekly goal and badges. How it works
Safe applying: a genuine employer will never ask you to pay for a DBS check, training or equipment, or move you onto WhatsApp before you are hired. If this listing does, report it and do not pay anything.