Groupe SII
Virtual Routing Systems Engineer
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VIRTUAL ROUTING SYSTEMS ENGINEER
We are seeking an experienced VIRTUAL ROUTING SYSTEMS ENGINEER to support the development, integration, testing and validation of software-defined routing solutions within secure and mission-critical environments.
The successful candidate will contribute to the design, development and verification of virtualised networking capabilities, supporting the delivery of next-generation routing and network management solutions. The role requires a strong software engineering background combined with hands-on experience of network protocols, virtualised environments and system-level testing.
Experience within the Defence, Aerospace, Communications or Secure Government sectors is highly desirable.
Key Responsibilities
- Develop, integrate and maintain virtual routing and network management software components.
- Support the design and implementation of software-defined networking (SDN) solutions and virtualised network functions (VNFs).
- Develop and execute verification and validation activities for routing, switching and network management functionality.
- Create automated test frameworks, test scripts and regression test suites.
- Conduct functional, integration, system and performance testing of virtual routing platforms.
- Analyse network behaviour and troubleshoot complex routing, protocol and interoperability issues.
- Support the development and optimisation of IP networking services within virtualised environments.
- Validate routing protocols and services including OSPF, BGP, RIP, ISIS, MPLS and multicast technologies where applicable.
- Develop and maintain software and test documentation including design descriptions, test specifications and test reports.
- Conduct protocol analysis using industry-standard tools and packet capture technologies.
- Support system integration activities with wider platform, communications and security teams.
- Participate in configuration management, software release and deployment activities.
- Contribute to secure-by-design principles and support cyber security assessments.
- Collaborate with customers and stakeholders to define acceptance criteria and support qualification activities.
- Support defect investigation, root cause analysis and corrective action implementation.
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Experience Required
- Proven experience in software development, integration or testing of networking systems.
- Strong understanding of IP networking fundamentals and routing technologies.
- Experience working with virtualised network environments and software-defined networking architectures.
- Experience creating and executing structured test procedures and automated test frameworks.
- Knowledge of networking protocols such as: TCP/IP, UDP, OSPF, BGP, VLA, MPLS, Multicast
- Experience using Linux-based development environments.
- Experience with network analysis and troubleshooting tools such as Wireshark, tcpdump or equivalent.
- Understanding of software development lifecycle (SDLC) and configuration management processes.
- Experience producing technical documentation, test specifications and verification evidence.
- Strong problem-solving and analytical skills.
Desirable Skills
- Experience developing or testing military, defence or mission-critical communication systems.
- Knowledge of software-defined networking technologies and frameworks.
- Experience with Kubernetes, Docker or containerised networking solutions.
- Familiarity with network function virtualisation (NFV) architectures.
- Experience working within Agile or DevSecOps environments.
- Knowledge of secure communications systems and cyber security principles.
- Experience with automated CI/CD pipelines and test automation frameworks.
- Familiarity with requirements management and systems engineering processes.
- Understanding of MOD, NATO or defence communication standards.
- Experience working in classified or secure development environments.
- Current or previously held UK Security Clearance (SC or DV).
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About Us
With five strategic offices in Belfast, Chester, Farnborough, London and Oxford, we work in partnership with our customers UK-wide to deliver high-impact engineering solutions.
SII UK is a trusted Aerospace and Defence engineering partner, supporting the delivery of complex, mission-critical programmes while helping to shape the future of innovation across next-generation systems and technologies.
Our teams contribute daily to creating a fulfilling, stimulating and career development focused work environment.
True to our human-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running.
Joining SII UK means being part of our collective goals, guided by our mission “Let’s Tech Together,” and helping to build a digital future that is sustainable, at the heart of an environment that values learning & collaboration.
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