Communications Solution Architect in City of London

Communications Solution Architect in City of London

City of London Full-Time On-site
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Communications Systems Architect (DV Cleared)

Defence & Secure Communications industry

London HQ (Fulltime onsite, no remote working)

Up to Β£105 p/h Outside IR35

*This role requires live DV clearance and fulltime onsite work in the London HQ, please only apply if you hold the relevant clearance and are willing/able to be based onsite fulltime*

We are seeking an experienced DV Cleared Communications System Architect to design and deliver secure, resilient collaboration environments across complex and highly restricted network domains.

This is a senior technical role focused on cross-domain communications, secure collaboration and multi-vendor UC integration, supporting environments where security, availability and interoperability are critical.

Key Responsibilities

  • Design and deliver secure cross-domain solutions (CDS), guards and multi-level security (MLS) gateways
  • Enable secure voice, video and chat communications across separate classified or isolated network domains
  • Architect and integrate complex, multi-vendor Unified Communications (UC) environments
  • Provide interoperability across SIP, H.323, VTC, instant messaging and presence platforms
  • Develop robust, fault-tolerant and low-latency communication architectures
  • Ensure solutions meet stringent Information Assurance (IA), security and compliance requirements
  • Lead and provide technical direction to engineering teams delivering secure communications solutions
  • Work across architecture, engineering and security stakeholders to ensure end-to-end solution integrity

We're looking for someone with strong experience in:

  • DV Clearance (Non negotiable requirement)
  • Unified Communications / Secure Communications
  • Cross-Domain Solutions (CDS) and security gateways
  • SIP / H.323 / VTC
  • Multi-vendor UC integration and interoperability
  • Classified, isolated or highly secure network environments
  • Security architecture and Information Assurance
  • Designing highly available, resilient and low-latency communications platforms
  • Technical leadership / solution architecture within complex environments

Experience within Defence, Government, National Security or other high-assurance environments would be highly advantageous.

This is an opportunity for a senior UC / communications architect or technical lead to work on mission-critical secure communications infrastructure, where interoperability and security are equally important.

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Communications Solution Architect in City of London employer: Synergize Consulting Ltd

As a leading employer in the Defence and Government sector, we pride ourselves on fostering a collaborative and innovative work culture that values technical expertise and professional growth. Our employees benefit from comprehensive training opportunities, competitive salaries, and a commitment to work-life balance, all while contributing to critical projects in highly secure environments. Join us in a role that not only challenges your skills but also offers the chance to make a meaningful impact in national security.

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Contact Details:

Synergize Consulting Ltd Recruitment Team