SuccessFactors Solution Architect

Global Infrastructure & Cloud Architect; Azure, AWS; London WC2N ; £130,000 + Benefits represents a career-defining opportunity for an energetic technical powerhouse to lead and evolve the foundational technology services of a truly worldwide corporation. Reporting...

Senior Network Architect - freelance - hybrid, London, UK Contract | Comgent | United KingdomPosted On 03/09/2026Job Information Standard Business working Hours YesWork Experience 8-10 yearsCity LondonState/Province City of LondonN/ASpecial Considerations Start date: Apr/ May 2026 Location: London, UK (Hybrid - minimum 2 days per week in office) Industry: Financial Services / BankingJob Description A major banking group operating in EMEA is undergoing a significant infrastructure transformation programme, converging two separate network environments (a legacy three-tier Cisco campus network and an ACI spine-leaf fabric) alongside the integration of a European banking subsidiary. This is a hands-on senior architecture role requiring both strategic thinking and the ability to roll up sleeves and engage at detailed engineering levels.Requirements Must haveDeep expertise in Cisco networking: Nexus (7K, 5K, 2K, 9K), IOS, NX-OSStrong working knowledge of Cisco ACI - ability to assess hybrid/pseudo-ACI deployments and define target-state app-centric or network-centric designExpert-level routing and switching: OSPF, BGP, EIGRP (including identification and remediation of misconfigurations)Data centre network design: spine-leaf, three-tier, convergence strategiesFirewall architecture: Palo Alto (PA-40 series), Cisco ASA (legacy and migration)WAN/MPLS concepts and managed service architectures (NTT or similar providers)IP address management (IPAM) and DNS/DHCP strategiesNetwork security design principlesFamiliarity with SD-WAN, cloud networking (Azure, AWS), and hybrid connectivityAdvantageousCisco CCIE (Routing & Switching or Data Centre) or equivalent demonstrable expertiseExperience with network automation and orchestration toolingKnowledge of co-location and proximity hosting environmentsUnderstanding of financial services network requirements (trading floor, market data, payment systems)Able to operate with ambiguity - comfortable in environments without fully defined organisational structureStrong communication skills: able to articulate complex technical problems to non-technical senior stakeholdersCommercial awareness - understanding of total cost of ownership, vendor contracts, and infrastructure spendCollaborative and pragmatic, with the confidence to challenge incumbents and advocate for sound design principlesSelf-starter capable of providing direction to others with limited supervision#J-18808-Ljbffr Similar jobs, Senior AWS Platform Engineer | AWS, Terraform & Kubernetes | Cloud & Platform Consulting Salary: £75,000-£90,000 + 10% bonus + 10% share options Location: London (Hybrid - typically 1 day per week in office or client site) Requirement: UK Security Clearance eligibility...