Solution Lead

Job Title: Solution Lead

Location: London - On-site

Contract: 12 Months

Day Rate: £870 - OUTSIDE IR35

What You'll Do

• Lead the architecture, implementation and optimisation of Cross-Domain Solutions (CDS), guards and Multi-Level Security (MLS) gateways.
• Design and deliver secure cross-domain communication solutions that enable collaboration between classified, secure and segregated network environments.
• Integrate and standardise multi-vendor Unified Communications platforms including SIP, H.323, Video Teleconferencing (VTC), instant messaging and presence services.
• Develop resilient, fault-tolerant and low-latency communication architectures to support critical operational environments.
• Provide technical leadership to engineering teams throughout solution design, deployment, testing and operational transition.
• Ensure communication solutions meet rigorous security, compliance and information assurance requirements.
• Work closely with infrastructure, security and stakeholder teams to deliver highly secure enterprise collaboration capabilities.

What We're Looking For

• Proven experience designing and delivering Unified Communications solutions within secure or highly regulated environments.
• Strong expertise in Cross-Domain Solutions (CDS), guards, data diodes, MLS architectures or related secure information exchange technologies.
• Hands-on experience with UC technologies including SIP, H.323, VTC, voice, messaging and collaboration platforms.
• Experience integrating complex multi-vendor communication systems across enterprise environments.
• Strong understanding of network architecture, secure communications and information assurance principles.
• Experience leading technical teams and providing architectural governance across large-scale deployments.
• Knowledge of security accreditation, compliance and risk management processes.
• Excellent stakeholder management and communication skills.
• Ability to operate effectively within complex, mission-critical environments.

Desirable Experience

• Experience with secure voice, video and collaboration technologies in classified environments.
• Knowledge of secure gateway technologies, cyber security frameworks and zero-trust architectures