Network Architect (DV Cleared)

iO Associates; England; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A leading company is seeking an experienced Network Architect for a 12-month contract in a hybrid role based in Bristol. This position involves leading the design and delivery of secure network solutions in a high-security environment, making it a key opportunity for professionals looking to shape network architecture from design through deployment.

Qualifications

• Proven experience in high-security network solutions.
• Strong expertise in network technologies and protocols.
• Excellent communication skills and attention to detail.

Responsibilities

• Lead the design and delivery of secure network solutions.
• Develop High-Level and Low-Level Designs.
• Engage in design workshops and support governance activities.

Skills

Network protocols

Routing

Switching

VPNs

Firewalls

Load balancing

Network automation

Cloud environments

Job description

Network Architect | up to £800/day (Inside IR35) | 12-Month Contract | Hybrid (Bristol - 3 days on site)
iO are seeking an experienced Network Architect to lead the design and delivery of secure network solutions for a major programme within a highly secure environment. This is a key role, offering long-term engagement and the opportunity to shape network architecture from design through deployment.

Key Responsibilities:

• 
  Act as the project Network Architect and Subject Matter Expert (SME), providing expert-level design guidance and technical leadership.
• 
  Develop High-Level Designs (HLDs) and Architecture Overview Documents using industry-leading network technologies.
• 
  Create detailed Low-Level Designs (LLDs) and configuration documents to support implementation and build activities.
• 
  Lead technical solution delivery from initial design through deployment and operational handover.
• 
  Engage in design workshops, ensuring architectural coherence and alignment across the wider project delivery team.
• 
  Support governance activities, including technical reviews, risk assessments, and documentation.
• 
  Contribute to the design and development of appropriate test documentation.

Required Skills & Experience:

• 
  Proven experience in designing and delivering network solutions within high-security or mission-critical environments.
• 
  Strong expertise in network protocols and technologies including routing, switching, VPNs, firewalls, and load balancing.
• 
  Confident collaborating across technical teams and engaging with both internal and external stakeholders.
• 
  Excellent written and verbal communication skills with meticulous attention to detail.
• 
  Familiarity with network automation and hybrid/cloud environments (AWS, Azure) is desirable.

This is a fantastic opportunity for a skilled Network Architect to contribute to a highly visible programme in a secure setting. If you have the relevant expertise and are ready to take on a leadership role, we encourage you to apply.