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Technical Architect

Technical Architect

We are looking for a Technical Architect to join our Project Delivery Team. As a key senior technical role, the Technical Architect has a proven track record in designing, implementing and trouble-shooting technical solutions. The individual is customer facing with broad and deep technical skills, strong communication capabilities and a dynamic, pragmatic approach.

In addition to owning the overall technical design of projects, the Technical Architect also acts as a subject matter expert, collaborating with other Technical Architects to provide consultative input to their projects. The Technical Architect is responsible for successful delivery of every project phase, including design, implementation, integration, troubleshooting and handover to the customer, partners and internal support. Excellent communication and customer-facing skills are required.

The successful candidate will have exposure to the PCI standard and will be aware of the impact thereof on online and/or telephony payment systems. The candidate will have gained the bulk of their experience in Telephony (and particularly in SIP, RTP and DTMF delivery) and data networking. He will also have expertise in web service technologies (SOAP, REST, XML etc.).

The candidate is expected to gain experience and become an expert of all aspects of Semafone deployments, expanding their knowledge to cover security, networking, applications and cloud technologies.

Technical Architects may on occasion be required to provide assistance to the Pre-Sales team.


  • Receipt of high-level requirements and high-level designs from the pre-sales team, validate them and work with the client technical teams to progress through detailed design, thus owning the production of the Low-Level Design documentation
  • Accountable for ensuring that Semafone’s solution designs meet our clients’ current and future functional and non-functional needs
  • Specify and own the operational and technical requirements of each solution and ensure that the product’s architecture meets those targets whilst minimizing technical barriers to delivery
  • Designs include architecting systems covering:
  • Participate, where required in the Semafone Design Authority forum and processes, which ensure design is holistically considered from an application, infrastructure and operational support perspective
  • Gain in-depth understanding of the Reference Architecture model and associated architecture principles and standards to ensure repeatable, predictable, cost effective quality solutions are delivered to customer and Semafone’s timescales, functional and financial expectations
  • Help extend and enhance the Reference Architecture
  • Be involved in and promote Semafone’s product strategy and drive forward internally and externally
  • Be actively involved in new product development, prototyping and documenting new functionality, technical solutions and testing strategies
  • Become Semafone product subject matter experts (SME’s) – fully experienced in deployment of all Semafone products/components – carry out installation/deployment coaching and training to 1st/2nd level Semafone product support engineers and external engineers within the Semafone Accredited Partner Programme.
  • Support product and solution design documentation as required and requested
  • Engage with third parties to expand our technical horizons, staying in tune with the market trends and available technologies
  • Provide expertise to Semafone and our clients in PA DSS & PCI DSS compliance
  • Pre-sales support, webinars, conference calls and site visits as requested and required throughout the sales life cycle


Skills and Knowledge - Essential

  • 5 or more years of experience in architecting and delivering medium to large-scale network and telephony solutions
  • Strong communication skills and process management skills will enable you to drive our delivery process both internally and externally
  • Production of high quality documentation
  • Any form of Linux whether it is Redhat, Ubuntu, Fedora, or Debian etc.
  • VOIP Infrastructure – PBX, ACD, Session Border Controllers (SBC), Voice Gateways (e.g. Cisco ISR’s), Soft Switches (e.g. Asterisk), Proxies, B2BUA, 3PCC, SIP Phones
  • VOIP protocols / codecs – SIP, RTP, DTMF, RFC2833, G711, G729, etc.
  • TDM technologies – E1/T1, ISDN (Q.931 variants)
  • CTI integration – TAPI, JTAPI, SIP based, agent desktop customization, soft phones, attached data, call event models, web services based CTI integration
  • Network Protocols – IP, TCP, UDP, DNS, NTP, HTTP, HTTPS, IPSEC, LDAP, SSH
  • Securing network connections – TLS, Certificates, VPN, firewalls
  • Web & Web Service technologies – Web servers, HTML, CSS, Javascript, WSDL, REST, SOAP, XML etc.
  • Delivering PA DSS & PCI DSS solutions

Skills and Knowledge - Desirable

  • Architecture of medium to large scale network and telephony implementations including input to solutions from major vendors (Avaya, Genesys, Cisco, Aspect, Interactive Intelligence, etc.)
  • Call Centre technologies and applications – CRM, Agent Desktop applications, Screenpops, softphones, CTI, backend integration
  • IVR Vendors / Genesys GVP, Cisco CVP, Nortel MPS, Intervoice Brite, Voice Objects, Voxeo, Avaya, Nuance, etc.
  • IVR technologies – VXML, CCXML, ASR, TTS
  • Predictive Dialer vendors & technologies (CTI integration / Noble)

Benefits & Culture

We are a market leader in secure voice transactions and trusted by our customers and partners.  We are on a journey to secure all personal data.  We recruit diverse, ambitious, innovative people who want to grow in a supportive and collaborative environment.  We are passionate, work hard, have fun and celebrate success.

What we'll give you;

  • 25 Days Holiday
  • Competitive Salary
  • Up to 10% Bonus
  • 4 x Salary Life Insurance
  • Vitality Health Insurance
  • HealthShield Cash Back Plan
  • Employee Assistance Programme
  • Bespoke Discounts and Communications Hub
  • Up to 5% Contributory Pension

Semafone is well funded and growing fast, you’ll be joining an organisation that combines an entrepreneurial ‘start-up’ culture with the professionalism of a mature and established business. This is a fabulous opportunity to gain experience on a variety of commercial matters of an international business.

*All final interview candidates will be subject to a DBS check as a pre-condition of a potential offer of employment. Any information found will be considered when making the final hiring decision. Please be aware that the background check process will not go ahead without your written consent.

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Pannell House
GU1 4HN Guildford Directions info@semafone.com 0845 543 0822

More than just a job...

Here at Semafone it's all about delivery and we pride ourselves in providing a flexible working environment which aims to support our staff as they journey through their career.  

For country-specific benefits check out each job role, but what else do you get besides your all important salary?

  • Bespoke Discounts & Communications Hub

    perkSTIR is our internal communications hub which houses a whole host of retailer discounts where you can literally save £/$000's a year!

  • Work / Life Balance

    We offer excellent time off benefits and promote flexible working whenever we can.

  • Great Physical Space

    We've got fabulous new offices in all locations. All mod-cons and tech'd up to the rafters it's a technologist's dream location.

  • Team Events

    We regularly get together as either individual teams, location-specific or the whole business. A highlight is our annual offsite, 'FraudSTIR' which involves internal and external presentations, team-building activities and lots of opportunities for socialising!

Workplace & Culture


Our company values aren't just words on a page to us.  They're intrinsic to the way we operate and vital to our success.  When they're effectively demonstrated wonderful things happen, so it's no wonder we recruit to our values and culture.


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