System Test Analyst (Hybrid Working)

Job Title: Network Test Analyst – Infrastructure & CNI Location: UK-Based (Remote with potential site visits) Clearance: Must be eligible for SC clearance (current SC preferred) Contract: Outside IR35 | Full-Time | Long-Term Programme We’re seeking an experienced Network Test Analyst to support a high-profile transition and transformation programme involving Critical National Infrastructure (CNI) . This role is ideal for someone with a strong background in network testing and infrastructure, particularly across routers, switches, and firewalls. You’ll play a key role in ensuring new infrastructure components and designs meet functional and operational expectations through structured test planning, execution, and reporting. Key Responsibilities: Create detailed test scripts based on Test Plans and Low-Level Designs (LLDs) Execute testing across various phases: Unit, System Integration, Functional, Non-Functional, Disaster Recovery, and Operational Acceptance Import and manage test cases within ALM (Application Lifecycle Management), linking to requirements and capturing results Gather and present test execution evidence, raising and tracking defects in ALM Support the setup and execution of network testing using RFC 2544 methodologies Required Skills & Experience: Proficiency with Cisco switch/router command line (CLI) Comfortable handling and patching fibre optic cables in a data centre environment Ability to interpret HLD and LLD network design documentation Familiarity with data centre operating procedures Experience using Micro Focus ALM or similar test management tools Exposure to network and service monitoring tools (e.g. StableNet or equivalent) Desirable: Experience working in Critical National Infrastructure environments (utilities, defence, telco, etc.) Background in infrastructure programmes involving large-scale network transitions