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 Full time 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 t...
Communications Systems Architect in 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.