Strategic Network Advisor - Director in Guildford, Surrey

DescriptionStrategic Network Advisor - Director Reporting to: Partner, Network Advisory, EMEAScope: EMEALocation: Smart working, UK (Guildford, Surrey)Wanted: A senior industry leader in enterprise network strategy ready to shape complex transformation agendas for global organisations. You will operate at the intersection of technical authority, commercial strategy, and executive advisory — with the autonomy to lead high-impact engagements and the support of over 1400 ISG colleagues worldwide. This is an opportunity to influence market direction, develop thought leadership, and act as a trusted advisor to C-level stakeholders navigating network transformation.Position OverviewISG is seeking a Director (C6) to lead complex, high-value advisory engagements across its Network Advisory practice.This role represents a senior technical and commercial authority within ISG, responsible for delivering executive-level advisory services across network strategy (technical and sourcing), cost optimisation, outsourcing transactions, transition and transformation programmes, and benchmarking across LAN, WAN, Wi-Fi, Cloud Connectivity, Contact Centres, SASE, and network security domains.The Advisor will play a pivotal role in shaping client strategy, leading multi-disciplinary engagement teams, influencing sales pursuits, and representing ISG in the market through thought leadership and industry presence.ResponsibilitiesLead large-scale, complex client engagements spanning network strategy, sourcing advisory, cost optimisation, outsourcing transactions, and transformation programmesServe as a trusted advisor to CIOs, CTOs, and senior technology stakeholders on network architecture, commercial strategy, and operating model decisionsProvide executive-level interpretation of complex enterprise network environments across LAN, WAN, Wi-Fi, Contact Centre, SASE, and network security (firewalls, proxies, DHCP/DNS, IPAM, ZTNA, etc.)Drive strategic benchmarking initiatives and market comparisons to inform sourcing and investment decisionsLead technical strategy in pre-sales engagements, supporting business development efforts and materially influencing deal conversionOwn and shape major client proposals, including solution positioning, commercial structuring, and value articulationDevelop and publish industry thought leadership, whitepapers, and keynote presentations to strengthen ISG’s market positioningMentor and guide consulting teams, ensuring delivery excellence and capability development within the Network Advisory practiceRepresent ISG at industry forums, executive roundtables, and promotional events as a recognised subject matter authorityMeasures of SuccessSuccessfully identify and delivery complex, high-value engagements with measurable strategic and financial outcomesMaterial contribution to revenue growth through pre-sales leadership and proposal conversionRecognition as a trusted, repeat advisor by senior client executivesExpansion of ISG’s network advisory footprint within existing and new accountsDevelopment of thought leadership that enhances ISG’s brand authority in the network domainPositive client feedback and sustained long-term relationshipsRequired SkillsetsDeep and extensive expertise across enterprise network technologies including LAN, WAN, Wi-Fi, Cloud Connectivity, Contact Centres, SASE, and network securityProven leadership in delivering strategic consulting engagements within sourcing, optimisation, outsourcing, and benchmarking environmentsStrong executive communication and presentation skills, with credibility at C-levelAbility to translate complex technical architectures into commercially grounded, business-focused strategyAdvanced analytical, financial modelling, and commercial structuring capabilityDemonstrated experience influencing and supporting complex consultative sales cyclesExperience leading multi-disciplinary teams in matrixed environmentsSkills and AttributesRecognised industry authority with strong market credibilityStrategic and commercially astute thinkerConfident leading executive discussions and board-level presentationsHighly collaborative across consulting, sales, and delivery teamsResilient and adaptable in complex, high-stakes client environmentsCommitted to mentoring and developing emerging advisory talentRole Structure and ReportingSenior matrixed role operating across ISG Network Advisory, industry vertical sales teams, and executive leadershipDirect influence on strategic pursuits and major account growthClose collaboration with Directors and Partners across ISGRegular engagement with client executive leadership teamsEducation & ExperienceMinimum 10+ years’ experience in network advisory, consultancy, service provider, or relevant enterprise leadership roleDemonstrated leadership in complex sourcing or transformation engagementsStrong track record supporting consultative sales and strategic proposal developmentExperience presenting at executive forums and industry eventsBachelor’s degree required; advanced technical or business qualifications (MBA, equivalent) advantageousLocation & TravelUK-based role with willingness and ability to travel across the UK and internationally, including frequent periods away from home as required by client engagements.At ISG, we don’t just accept difference — we celebrate it, support it, and thrive on it for the benefit of our employees, our clients, and our communities. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. ISG is proud to be an equal opportunity workplace and committed to creating an inclusive environment for all employees.The duties and responsibilities described in this job description are not exhaustive. Additional tasks may be assigned and/or the scope of the role may evolve in line with business needs.#LI-Remote