Lead Technical Architect (Voice) - MoJ - G6

Lead Technical Architect (Voice) - MoJ - G6

National salary range is £68,967 - £78,842, London salary range is £73,115 - £83,585
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Full-time (Permanent) National salary range is £68,967 - £78,842, London salary range is £73,115 - £83,585
Published on 8 August 2025 Deadline 18 August 2025

Location

East Midlands (England), East of England, London (region), North East England, North West England, Scotland, South East England, South West England, Wales, West Midlands (England), Yorkshire and the Humber

About the job Job summary

This position is based nationally.

Lead Technical Architect - Voice

Location:National

Closing Date:18thAugust

Interviews:W/C 1stSeptember

Grade: G6

(MoJ candidates who are on a specialist grade, will be able to retain this grade on lateral transfer)

Salary: London: £73,155 - £87,875 which may include an allowance up to £14,760. National: £68,967 - £83,700 which may include an allowance up to £14,733.

Working pattern: Full time, part time, flexible working, job share.

Contract Type:Permanent

We offer a hybrid working model, allowing for a balance between remote work and time spent in your local office. Office locations can be foundON THIS MAP

The Role

We're recruiting for a Lead Technical Architect (Voice) here at Justice Digital , to be part of our warm and collaborative Digital Infrastructure and Security Operations Team (DISO) team.

You'll be part of the Network Voice and Video Service Team, and will be responsible for the technical design, collaboration, project engagement, and interaction of Voice solutions across the MOJ.

Lead the design and architecture of enterprise voice solutions, analysing business requirements to develop technical solutions that meet them.

Definition of standards, best practices, and roadmaps for enterprise voice systems.

Collaborate with other technical areas such as networks, security, and platform teams to ensure that solutions are strategically aligned.

Evaluate current voice infrastructure, recommending improvements or new approaches and technologies where appropriate.

Liaise with vendors and suppliers and provide oversight to managed service provider solutions.

Act as the technical SME on project teams and serve as an escalation point for complex voice-related issues.

Develop and maintain architectural documentation.

Ensure compliance with industry standards, regulations, and internal security policies.

If this feels like an exciting challenge, something you are enthusiastic about, and want to join our team please read on and apply!

37 hours per week and flexible working options including working from home, working part-time, job sharing, or working compressed hours.

A £1k per person learning budget is in place to support all our people, with access to best in class conferences and seminars, accreditation with professional bodies, fully funded vocational programmes and e-learning platforms

Staff have 10% time to dedicate to develop & grow

25 days leave (plus bank holidays) and 1 privilege day usually taken around the Kings' birthday. 5 additional days of leave once you have reached 5 years of service.

Compassionate maternity, adoption, and shared parental leave policies, with up to 26 weeks leave at full pay, 13 weeks with partial pay, and 13 weeks further leave. And maternity support/paternity leave at full pay for 2 weeks, too!

Wellbeing support including access to the Calm app.

Nurturing professional and interpersonal networks including those for Carers & Childcare, Gender Equality, PROUD and SPIRIT

Bike loans up to £2500 and secure bike parking (subject to availability and location)

Season ticket loans, childcare vouchers and eye-care vouchers.

Some offices may have a subsidised onsite Gym.

Person Specification

Experienced in designing telephony solutions with strong experience in Unified communications.

Proven experience in the production and design of complex Communication systems. Including, requirements discovery and analysis, formulation of solution context, identification of solution alternatives and their assessment, technology selection, and design configuration.

Expertise in VoIP protocols (SIP, RTP), PBX systems, SBCs, and carrier services.

Deep knowledge of platforms including Microsoft Teams, Unify OpenScape and Genesys Cloud.

Experience with cloud voice solutions and hybrid deployments.

Strong documentation and communication skills and capable of presenting to both technical and business audiences.

We welcome the unique contribution diverse applicants bring and do not discriminate based on culture, ethnicity, race, nationality or national origin, age, sex, gender identity or expression, religion or belief, disability status, sexual orientation, educational or social background or any other factor.

Our values are Purpose, Humanity Openness and Together. Find out more here about how we celebrate diversity and an inclusive culture in our workplace.

Candidates must submit a CV and statement of suitability (of no more than 750 words), which describes how you meet the requirements set out in the Person Specification above. Applicants who do not submit both a CV and a separate statement of suitability will be rejected.

A diverse panel will review your application against the Person Specification above.

Successful candidates who meet the required standard will then be invited to a 1-hour panel interview held via video conference.

Should you be unsuccessful in the role that you have applied for but demonstrate the capability for a role at a lower level, we reserve the right to discuss this opportunity with you and offer you the position without needing a further application.

A reserve list may be held for up to 12 months, from which further appointments may be made.

Use of Artificial Intelligence

Artificial Intelligence can be a useful tool to support your application. However, all examples and statements provided must be truthful, factually accurate, and based on your own experience. Where plagiarism is identified-such as presenting the ideas and experiences of others, or AI-generated content, as your own-applications may be withdrawn. Internal candidates may also be subject to disciplinary action. Please see our candidate guidance for more information on appropriate and inappropriate use.

Terms & Conditions

Please review our Terms and Conditions which set out how we recruit and provide further information related to the role and salary arrangements.

Please refer to attached Job Description