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# Communications Solution Architect

- **Company:** Synergize Consulting Ltd
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Cyber Security, H.323 Protocol, Interoperability, Network Security
- **Published:** October 11, 2026
- **Apply:** https://www.securityclearedjobs.com/job/802085427/communications-solution-architect/

## About the Role

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., * 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.

## Description

* 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