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Network & Telecommunications Engineer
Job Overview
We are seeking a highly motivated and experienced Network & Telecommunications Engineer to join our small, on-site IT team. This hands-on role involves managing the network infrastructure and telecommunications services to ensure performance, security, and availability. While the primary focus is networking and telephony, experience in desktop or server support would be beneficial. As the technical lead for network and telecoms, you will support both operational and project-based activities while mentoring IT team members to strengthen team capability and resilience.
Security Clearance (SC) eligibility is essential due to the nature of the work.
Key Responsibilities
1. Configure, manage, and troubleshoot Cisco and Meraki switches, routers, and wireless infrastructure.
2. Monitor, manage, and implement secure configurations on firewall appliances.
3. Administer the Mitel VoIP phone system, including user setup, call routing, and diagnostics.
4. Conduct performance analysis and optimization of network infrastructure.
5. Provide 2nd and 3rd line support for network and telephony issues.
6. Lead technical implementation of network-related projects.
7. Take ownership of network/telephony incidents, especially during major outages.
8. Work with stakeholders and vendors to support infrastructure upgrades and deployments.
9. Assist the IT Manager in meeting service-level objectives.
10. Mentor service desk staff and encourage cross-training and knowledge sharing.
11. Maintain up-to-date documentation for systems, configurations, and procedures.
Essential Technical Skills & Experience
* Cisco CCNA certification (minimum).
* Strong hands-on experience with Cisco and Meraki networking hardware.
* Solid understanding of VLANs, routing protocols, ACLs, and firewall configurations.
* Experience with Mitel VoIP systems or equivalent.
* Proactive monitoring and performance tuning expertise.
* Strong diagnostic and troubleshooting skills across networking and telecom layers.
* Knowledge of network security best practices.
Desirable Technical Skills & Qualifications
* Cisco CCNP or equivalent advanced certifications
* Knowledge of network segmentation, QoS, and SIP trunking
* Proficient in using the Meraki Dashboard.
* Experience configuring telephony QoS and IP-based voice services
* Familiarity with ITIL processes and change management
* Practical experience with Cisco Firewalls, Palo Alto, or equivalent firewalls
* Strong understanding of Mitel telephony
* Use of network monitoring tools
* Exposure in supporting Microsoft Windows and Wintel environments
Soft Skills & Attributes
* Strong awareness of Health & Safety in technical environments
* Reliable escalation point for high-priority incidents
* Ability to manage workload and meet SLA-driven deadlines independently
* Strong consultative skills with internal and external stakeholders
* Excellent documentation capabilities for procedures, reports, and proposals
* Clear, professional communication (both verbal and written)
* Approachable, collaborative, and team-oriented
* High attention to detail with a solution-focused mindset
* Committed to continuous professional development
Our market-leading offering provides you with benefits that suit your lifestyle. We have a virtual GP on hand for you and members of your household. So you can get expert advice by video or phone without leaving your home. We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee. Salary Finance also offers competitive loans.
When you join us, we’ll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days’ holiday each year. You might buy critical illness insurance, seek dental treatment or buy technology products at an affordable cost. There are many choices!
We give you access to high street discounts from thousands of well-known retailers, gyms and more through our MiDeals platform. And we have a cycle-to-work scheme. Life cover of up to four times your salary is available. We also offer enhanced pension contributions, a save-as-you-earn scheme, and a Mitie Matching Share Plan (you could even be awarded free shares in Mitie).
We award our employees with Mitie Stars as recognition for their hard work. There are cash prizes up for grabs each month and at the end of the year there’s a chance to scoop a top prize of £10,000!
Our success is a direct result of the experience and quality of our people. Progressing your career is therefore a top priority for us. We offer a diverse variety of training and development avenues via a wide selection of learning resources to suit you.
We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long-term condition (for example dyslexia, anxiety, autism, a mobility condition or hearing loss) and need us to make any reasonable adjustments, changes or do anything differently during the recruitment process, please let us know by emailing Shradha Singh at shradha.singh@mitie.com.
Since 1987, Mitie’s 72,000 employees have been maintaining companies globally. We are the UK’s leading facilities management and professional services company, and our clients range from household names in banking, critical government sites as well as hospitals and schools.
Join our Mitie Team. Together our diversity makes us stronger.
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