Virtual Routing Systems Engineer

• evelop, integrate and maintain virtual routing and network management software components. S

• upport the design and implementation of software-defined networking (SDN) solutions and virtualised network functions (VNFs). D

• evelop and execute verification and validation activities for routing, switching and network management functionality. C

• reate automated test frameworks, test scripts and regression test suites. C

• onduct functional, integration, system and performance testing of virtual routing platforms. A

• nalyse network behaviour and troubleshoot complex routing, protocol and interoperability issues. S

• upport the development and optimisation of IP networking services within virtualised environments. V

• alidate routing protocols and services including OSPF, BGP, RIP, ISIS, MPLS and multicast technologies where applicable. D

• evelop and maintain software and test documentation including design descriptions, test specifications and test reports. C

• onduct protocol analysis using industry-standard tools and packet capture technologies. S

• upport system integration activities with wider platform, communications and security teams. P

• articipate in configuration management, software release and deployment activities. C

• ontribute to secure-by-design principles and support cyber security assessments. C

• ollaborate with customers and stakeholders to define acceptance criteria and support qualification activities. S

• upport defect investigation, root cause analysis and corrective action implementation. E

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. P, * roven experience in software development, integration or testing of networking systems. S

• trong understanding of IP networking fundamentals and routing technologies. E

• xperience working with virtualised network environments and software-defined networking architectures. E

• xperience creating and executing structured test procedures and automated test frameworks. K

• nowledge of networking protocols such as: TCP/IP, UDP, OSPF, BGP, VLA, MPLS, Multicast E

• xperience using Linux-based development environments. E

• xperience with network analysis and troubleshooting tools such as Wireshark, tcpdump or equivalent. U

• nderstanding of software development lifecycle (SDLC) and configuration management processes. E

• xperience producing technical documentation, test specifications and verification evidence. S

• trong problem-solving and analytical skills. D

ESIRABLE SKILLS E

• xperience developing or testing military, defence or mission-critical communication systems. K

• nowledge of software-defined networking technologies and frameworks. E

• xperience with Kubernetes, Docker or containerised networking solutions. F

• amiliarity with network function virtualisation (NFV) architectures. E

• xperience working within Agile or DevSecOps environments. K

• nowledge of secure communications systems and cyber security principles. E

• xperience with automated CI/CD pipelines and test automation frameworks. F

• amiliarity with requirements management and systems engineering processes. U

• nderstanding of MOD, NATO or defence communication standards. E

• xperience working in classified or secure development environments. C

• urrent or previously held UK Security Clearance (SC or DV). N

II 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. O

ur teams contribute daily to creating a fulfilling, stimulating and career development focused work environment. T

rue to our human-centred values, we are committed to making SII UK a Great Place To Work®, having been certified 5 years running. J

oining 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.