Voice Infrastructure Engineer

Department: Network Infrastructure
Location: Manchester

The Role

Our Network Infrastructure Engineers are responsible for maintaining the design and integrity of M247’s Global Core, Transit, Access and Voice Networks. They provide expert technical assistance to other team members, customers and colleagues, whilst delivering a network change programme that underpins the companies strategic goals.

 

This role will be reporting to the Network Manager and be responsible for designing, implementing and testing complex network infrastructure in support of our group & customer needs.

The Applicant

The applicant should have a strong understanding of Carrier and UC&C network, their services, design and security principles. An In-depth understanding of the SIP, SDP, RTP and SIPRec protocols and their secure versions. Have a clear understanding of Video and WebRTC principles,  complex voice routing principles in large carrier and multi-tenanted UC&C environments as well as TDM telephony principles with a basic understanding of PDH and SDH. Any exposure to other protocols and stacks such as ISDN, SS7, H.323, MGCP, Skinny, etc. would be beneficial.

 

Desirable attributes could include a good understanding of voice traffic analysis and stress testing tools such as Wireshark, Hammer by Emprix, VoIPMonitor, Cyara, SIPp, Linux and Database administration, a basic understanding of network principles (CCNA level) and Hypervisors such as VMware, KVM, Hyper-V, etc.

Key Responsibilities/Skills

  • Work alongside Architecture to define the product roadmap, design and deliver new products and assets;
  • Participate in Transition management/ Operational Readiness to ensure that all technical strategies and tools required for the new products and assets’ lifecycle have been defined and delivered;
  • Participate in Change Management for major or complex changes, adhering to the internal change management process;
  • Act as a point for peer review to ensure changes are implemented with minimum disruption to services;
  • Participate in departmental CSI and PIR reviews to identify any potential areas for design improvements;
  • Identify and manage risks ensuring the successful delivery of products and assets;
  • Take ownership of problem records raised through CSI and IM requiring solution or asset redesign;
  • Upskilling of team members and production of internal training materials and courses. Contribute to know errors database.
  • Provide a 4th level of technical escalation for customer or network incidents;
  • Be a mentor for any new starters;
  • Participate in on-call rotation ensuring we provide 24/7/365 operational support;

Key Personal Skills

  • Excellent written and verbal communication skills;
  • Able to work effectively under high pressure;
  • Be able to analyze high volumes of data to identify patterns or root cause;
  • Be able to manage both internal and external stakeholders during high impact incidents;
  • Be able to influence stakeholders to achieve desired outcomes;
  • Exceptional planning and prioritization skills. Be able to manage own workload with minimal supervision;
  • Produce high standard documentation;
  • Be able to research solutions;
  • Take initiative where areas of personal or technical improvements have been identified.

All applicants, regardless of gender, ethnic background, sexual orientation, age, religion, socio-economic status or any other factor will be treated equally and fairly in the application process.

How to Apply:

Please email your CV and cover letter to careers@m247.com

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All applicants, regardless of gender, ethnic background, sexual orientation, age, religion, socio-economic status or any other factor will be treated equally and fairly in the application process.

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