Principal Engineer: Fixed Voice & IMS Core

Description:

Principal Engineer Fixed Voice & IMS Core

Accountability

Departmental Manager, Director, Director of Technology, but also to the Senior Management and Board of Directors, as appropriate.

Job Summary

To lead a team and technical function that ensures the delivery of an effective, efficient, and productive environment which can cope with the fluctuations and demands of the business, within the confines of policies and budgets.

To be responsible for the delivery of an excellent service, through the efficient architecture, engineering, and application of technology.

Duties and Responsibilities

To lead a technical function as determined by the Company, in relation to a specific remit of technology and/or infrastructure, across relevant markets and countries.

To strive for 100% availability of the customer-facing service.

To operationally maintain and continuously improve the technical function.

Dimension the technical function in line with business requirements, including growth and sparing.

Apply best practices as defined by standardisation committees, industry bodies and vendors.

Track vendors’ technology evolutions and lifecycle.

To lead the planning, development, design, engineering, architecture, integration, testing, acceptance, optimisation, and implementation activities of the technical function.

To be responsible and accountable for the quality and performance of the technical function.

To coordinate and assure security aspects of the technical function.

To manage the resolution of customer-initiated complaints and defects within committed service levels attributed to the technical function

To lead and manage the delivery of projects within the specific remit of the technical function.

To be responsible and accountable for drafting, collating, and maintaining a repository of documentation in relation to the technical function.

To define and execute multi-year roadmaps that align to the technical strategy and business objectives.

To be responsible for leading and developing a highly effective technical team within the specific area of technology and/or infrastructure as determined by the Company.

To keep oneself and one’s team abreast of developments within the industry. Including, the participation in standardisation committees, vendor, and industry forums.

To develop and maintain subject-matter expertise, in respect to the technical function

To operationally lead and supervise one’steam.

To be responsible for the drafting of individual appraisals.

To uphold good governance and ensure compliance with standards, policies, and procedures.

To support operational counterparts in relation to the specific remit of technology and/or infrastructure

To assist operational teams in determining the correct material resources, systems, and training to perform their duties adequately.

To manage and maintain an information exchange relationship with operational counterparts

To support sales and marketing counterparts in relation to the specific remit of technology and/or infrastructure:

To assist with a pre-sales function, if required.

To assist with the productization of any new service linked to the technical function.

To manage and develop vendor relationships in respect of the technical function:

Contribute to and / or conduct Complex sales when procuring large contracts.

Conduct negotiations with vendors and strive to maximise value for money.

To be responsible for expenditure control in respect of the technical function.

To be available to assist in any projects and/or duties that the Company may deem reasonable.

Scope and Remit

All technology, infrastructure and functions underpinning the IMS voice services, focusing principally on fixed voice, but also supporting IMS based mobile services. The scope of functions under direct responsibility are defined hereunder, but NOT in any way limited to:

IMS Core: SBG, BGF, MTAS, P/I/E/S-CSCF, MRF, DRA, ENUM, HSS, SCC, UPG, …

IMS-based PSTN Emulation services: A-MGW, AGCF, VoBB, and ATA /IAD.

Enhanced fixed voice services: IP-CENTREX and Hosted-PBX (Broadworks AS, XSP, Profile, Media, …), SIP endpoints, other third-party application servers.

Enterprise edge: eSBC, vSBC, ISDN (BRI / PRI) gateways, SIP trunks,

Fixed Mobile Convergence.

Value-add systems: Voicemail, …

Auxiliary systems: licensing, …

International and local connectivity, including signaling, carrier circuits, IPX, ...

Experience & Qualifications

At least eight years demonstrable experience working in a communication service provider environment, either directly or indirectly.

Expert-level understanding of telecommunication and IP protocols (SIP-T/I, RSTP, SS7, SIGTRAN, IPSEC, …).

Solid understanding of PSTN and PLMN concepts, together with a working understanding of modern telecommunications infrastructure.

Experience with Ericsson IMS infrastructure considered mandatory. Experience with Broadworks AS would be advantageous.

JCNIE or CCIE qualified. Equivalency will be considered.

The following functions will be within remit, but it is expected that operational activities will, in full or in part, be undertaken by specialist teams.

Software infrastructure supporting PNFs, VNFs and CNFs.

Hardware infrastructure supporting PNFs, VNFs andCNFs