Commissioning Engineer

Salary/Rate:Rate: £250–£270 per day
Job type:Contract
Town/City:Kirkintilloch, Glasgow (On-site, 5 days per week)
Country:United Kingdom
Sector:Infrastructure
Job ref:TN - INF - 261
Post Date:July 14, 2026
Short description:
TechNest are looking for experienced Commissioning Engineers to join a high-profile Network Engineering project supporting SP Energy Networks (SPEN). This is an excellent opportunity to work on a large-scale enterprise network deployment, providing technical expertise across design, implementation, commissioning and project delivery. This is a fully site-based role in Kirkintilloch, Glasgow, so candidates must be able to travel to site daily.
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About the Role

The Role

As a Commissioning Engineer, you'll provide 3rd line technical support within the engineering team while taking ownership of customer network implementations and commissioning activities. You'll work closely with Project Engineers to review designs, develop configuration scripts and ensure successful deployment of complex network solutions. You'll be responsible for delivering technical excellence throughout the project lifecycle, from planning and implementation through to commissioning and post-deployment support.

 

Key Responsibilities

Provide 3rd line engineering support for customer network implementations. Review implementation plans received from Project Engineers. Assess network topology and circuitry to support project planning. Create and validate configuration scripts across a range of networking platforms. Support the design, build and deployment of enterprise network solutions. Monitor customer networks during planned changes and perform risk assessments before and after implementation. Update network and circuit information within engineering databases. Complete commissioning documentation and administrative activities. Work with technologies including Xtran, SDH and PDH. Support networks using fibre, copper, leased lines, radio and 4G connectivity.

 

About You

You'll be an experienced Network or Commissioning Engineer with strong Cisco networking knowledge and a background delivering LAN and WAN solutions within enterprise or service provider environments.

You'll also have:

Strong Cisco IOS knowledge. Experience with routing and switching. Hands-on experience with Cisco 2800, 2900, 3800, 3900 and ASR900 Series routers. Experience with Cisco 2520 and 4010 switches. Good understanding of LAN/WAN technologies. Knowledge of SDH and PDH concepts. Experience working with fibre, copper, leased lines, radio and 4G technologies. Excellent troubleshooting and analytical skills. Strong communication skills with the ability to work directly with customers and technical stakeholders. Excellent organisational skills and attention to detail. Experience producing technical documentation and maintaining accurate records. Good Microsoft Office and Excel skills.

 

Essential Requirements

Relevant experience within Network Engineering or Telecommunications.

CCNA or CCDA certification.

Full UK driving licence.

Ability to work on-site in Kirkintilloch, Glasgow, five days per week.

Eligible to obtain BPSS clearance.

 

Desirable Requirements

CCNP or CCDP certification. Previous experience delivering enterprise network commissioning or implementation projects.

 

What to expect

£250–£270 per day (outside/inside IR35 to be confirmed). Immediate start. Six-month contract with strong potential for extension. Opportunity to work on a major UK utilities network programme. Collaborative engineering environment with exposure to large-scale enterprise networking technologies.

 

If you're a skilled Commissioning Engineer with strong Cisco networking experience and are available to start immediately, we'd love to hear from you.