Telcom is a carrier for voice and data services, targeting the business-to-business market. Our robust ICT infrastructure equips us to directly manage fibre services of up to 1 Gigabit to companies across all sectors and industries.

We offer a full service wrap including Direct Managed Fibre, Business Broadband, MPLS, SD WAN, Cloud Telephony, SIP/VoIP, ISDN Voice Calls.

Telcom’s support centre is staffed live by qualified engineers who have full visibility from the user’s desk to the end termination, providing a complete end-to-end solution from one support centre.

The Telecoms Support Engineer will work as part of Telcom’s Technology & Data team, providing day-to-day support for business voice and data services. This role is ideal for someone with a foundation in IT or telecoms who wants to build experience across PBX, VoIP, and networking technologies in a hands-on environment. 
 
You’ll assist senior engineers with installations, troubleshooting, and maintenance across Avaya, 3CX, and Microsoft Teams systems, as well as network routers, switches, and firewalls in customer and Telcom environments. 

Key Responsibilities 

• Support installation and configuration of PBX and VoIP systems (Avaya IP Office, 3CX, Teams). 
• Assist in setting up SIP trunks, call routing, and number management. 
• Provide first- and second-line support for customer voice and data issues. 
• Monitor network and voice service performance, escalating complex issues where required. 
• Perform routine checks, firmware updates, and backups. 
• Maintain accurate records of network and system changes. 
• Collaborate with senior engineers during project rollouts, migrations, and customer site work. 
• Participate in training programs and vendor certification paths. 
• Managing UG portal for WLR management and port-in / port-out operations. 

• 1–2 years’ experience in an IT, telecoms, or network support role. 
• Basic understanding of IP networking, SIP, VLANs, and routing concepts. 
• Familiarity with VoIP systems or PBXs (experience with Avaya, 3CX, or Teams an advantage). 
• Some hands-on experience with routers, switches, or firewalls (Cisco, Mikrotik, DrayTek, etc.). 
• Strong troubleshooting and problem-solving skills. 
• Excellent communication and teamwork abilities. 
• Eager to learn and progress within a growing telecoms and managed services environment. 

Desirable Certifications 

• CompTIA Network+ or equivalent foundation certification. 
• 3CX Basic or Intermediate certification. 
• Avaya or Microsoft Teams Voice fundamentals (training support provided). 

Benefits 

• Competitive salary based on experience. 
• Pension contribution. 
• Paid training and certification support. 
• Opportunity for career progression into senior engineering and project roles. 
• On-site parking and modern office facilities. 

Working Conditions:

• Full-time position, with occasional on-call or after-hours support required.
• Occasional travel may be required for on-site support at remote offices or data centres.

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Still Curious?

If you feel we are a good match for each other, you can apply online now!

If you’d like to understand more about the role or life at Radius before applying, then please contact our talent team via [email protected].

Radius is an equal opportunities employer. We are committed to welcome people regardless of age, disability, gender identity, race, faith or belief, sexual orientation or socioeconomic background.

We are committed to ensuring an inclusive and accessible recruitment process for all candidates. If you require any adjustments or accommodations at any stage of the process, please let us know, and we will do our best to support you.

We reserve the right to close a vacancy before the closing date in the event of an overwhelming response or a change in business priorities.

Note to recruitment agencies:

We do not accept speculative recruitment agency CVs or profiles. Any unsolicited CV received by Radius will be treated as a gift and not eligible for an agency fee.

PSL agencies should only send CVs via our Applicant Tracking System, when approved to do so by the Radius Talent Team.