Principal Engineer: Fixed Voice and IMS Core
Job Type: Full Time
Salary: From £70,000 per annum
Location: Hybrid/Remote (facets of this role will require the candidate to be closer to the team they will be managing, so being based in Gibraltar, or neighbouring Spain/UK within a certain radius, is the expectation.)
We’re looking for an experienced individual to lead a team and technical function to deliver an effective, efficient, and productive environment, understanding the fluctuations and demands of the business, within the confines of policies and budgets.
To be responsible for delivering an excellent service, through the efficient architecture, engineering, and application of technology.
*Kindly read the Summary of the Job description below before applying.
Your duties and responsibilities:
- To lead a technical function determined by the Company, with a specific remit of technology or infrastructure, across relevant markets and countries.
- To lead the technical function's planning, development, design, engineering, architecture, integration, testing, acceptance, optimisation, and implementation activities.
- To be responsible and accountable for the quality and performance of the technical function.
- To coordinate and ensure security aspects of the technical function.
- To manage resolving 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 to the technical function.
- To define and execute multi-year roadmaps that align with 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 team.
- 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 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 to the specific remit of technology and/or infrastructure.
- To assist with a pre-sales function, if required.
- To assist with the productisation 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:
_ The ideal candidate will be involved in all technology, infrastructure and functions underpinning the IMS voice services, focusing primarily on fixes voice, but also supporting IMS-based mobile services. _
The scope of functions under direct responsibility is defined below, however, are in no 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, and other third-party applications.
- Enterprise edge: eSBC, vSBC, ISDN (BRI / PRI) gateways, SIP trunks.
- Fixed Mobile
- Value-add systems: Voicemail.
- Auxiliary systems: licensing.
- International and local connectivity, including signalling, carrier circuits, and IPX.
Experience and Qualifications:
- At least eight years of demonstratable 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 is considered mandatory. Experience with Broadworks AS would be advantageous.
- JCNIE or CCIE 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
- Hardware infrastructure supporting PNFs, VNFs and CNFs*.
Please note: it is compulsory for this role that the candidate also has extensive experience working on Fixed voice environments, as you will be managing the FIXED VOICE team. We already have a fully resourced-Mobile Core team.
Alongside the fixed voice experience, which is paramount, we need the candidate to hold two other fundamental requisites: experience in working with IMS Core architectures/environments, and team management experience.
Summary:
Fixed Voice (mandatory requisite)
- Firm background in fixed voice/telephony (PSTN) technologies.
- Experience working with Enterprise voice solutions
- Application Servers such as MTAS, Cisco Broadworks, Webex, Teams, etc.
- Session Initiation Protocol (SIP)
- Session Boarder Controllers (SBC, vSBC)
IMS Core (mandatory requisite)
- Experience working with 3GPP IMS Core architectures, preferably Ericsson.
Team management responsibilities (mandatory requisite)
- Team, technology and service management.
- Lead a small team of experienced engineers
- Develop the technologies and service portfolio within the remit
Relocation:
- The role requires relocation to Gibraltar or nearby in Spain if status allows. (Only if you are located outside of UK/Spain)
- Relocation allowance can be considered where appropriate.
