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Ernst & Young

Global professional services: consulting, assurance, tax

Client Technology - Technical Customer Success Manager

Implementation & Technical Account ManagementUpdated on Nov 14
Full-timeLondon, UK$125k - $281.3kIn-person

About the Job

Requirements

  • Strong technical foundation across cloud platforms, enterprise architecture, cybersecurity, identity and access management, data protection, integrations, application programming interfaces and technology operations.
  • Ability to assess complex environments, identify material risks, diagnose issues and drive cross-functional resolution.
  • Working knowledge of Zero Trust, least privilege, secure by design, vulnerability management, threat detection, incident response, security posture management and data loss prevention.
  • Ability to connect technical performance to client trust, service resilience, revenue protection, adoption and growth.
  • Consulting, facilitation, stakeholder management, prioritization and follow-through skills, including managing multiple strategic accounts and high-visibility escalations.
  • Bachelor's degree in computer science, information systems, cybersecurity, engineering, business technology or a related discipline, or equivalent relevant experience.
  • Approximately 8 to 12 years of progressive experience in customer success management, technical account management, solutions architecture, enterprise architecture, cloud or security consulting, technology risk, implementation or technology operations.
  • At least five years in a customer-facing or senior stakeholder-facing technical role supporting complex enterprise, strategic account or global environments.
  • Experience in at least two of the following areas: cloud security, security operations, identity and access management, data protection, infrastructure or application security, resilience, enterprise integrations or technology risk.
  • Experience developing technical success plans, health assessments, architecture recommendations, risk mitigation plans, adoption strategies or executive technology assessments.
  • Ability to communicate technical risk to senior leaders and coordinate outcomes across Security, Risk, Product, Engineering, Support and business teams without direct authority.

Responsibilities

  • Own a portfolio-level view of technical health across adoption, utilization, service performance, incidents, security posture, dependencies, technical debt and open risks.
  • Define health indicators, thresholds and action plans; lead recurring technical health reviews and provide executive reporting on business impact, decisions, owners and next actions.
  • Identify technology, security, privacy, resilience, integration and operational risks that could affect client trust, service continuity or revenue, and coordinate mitigation with accountable governance and delivery teams.
  • Lead technical coordination for significant incidents and escalations, including impact assessment, recovery planning, executive communication and post-incident follow-through.
  • Partner with Customer Success Managers to build outcome-based success plans that connect customer priorities, technical milestones, adoption, value realization and risk reduction.
  • Guide onboarding, implementation, integration, configuration, optimization and operational readiness for priority capabilities; remove technical blockers and improve time to value.
  • Use product engagement, service, integration and risk signals to identify underutilization, adoption gaps and opportunities to protect or grow accounts.
  • Communicate measurable outcomes such as adoption, resilience, productivity, risk reduction and value realized; support renewal and expansion strategy through technical insight.
  • Build credibility with senior account leaders, CIO and CTO organizations, CISOs, enterprise architects, product owners and engineering teams.
  • Lead architecture reviews, technical workshops, governance discussions and protection planning; translate complex technical and security issues into business implications, options and recommendations.
  • Advise on cloud, cybersecurity, identity, data protection, AI, integrations, resilience and emerging technology risks using an industry-informed and risk-aware perspective.
  • Lead through influence across a complex, global and matrixed environment, mobilizing Product, Engineering, Security, Risk and Support around customer outcomes.
  • Maintain actionable technology intelligence on capabilities, ownership, dependencies, lifecycle status, risks and opportunities for assigned accounts.
  • Convert customer feedback, technical blockers and field patterns into structured product, roadmap, service and support recommendations.
  • Create reusable health scorecards, success plans, escalation playbooks, reference materials and executive reporting; use approved AI and automation to improve analysis and consistency.
  • Mentor colleagues and strengthen collaboration across Customer Success, architecture, engineering, security, risk and product communities.

Desired Qualifications

  • Experience in professional services, consulting, regulated industries or globally matrixed organizations, with relevant sector knowledge.
  • Familiarity with cybersecurity and governance frameworks such as NIST Cybersecurity Framework, NIST Zero Trust Architecture, ISO/IEC 27001, CIS Controls, COBIT or Cloud Security Alliance guidance.
  • Experience with DevSecOps, continuous integration and continuous delivery controls, cloud security posture management, vulnerability management, security information and event management, data loss prevention, endpoint security, infrastructure as code or security automation.
  • Experience applying AI responsibly to customer intelligence, technical support, security operations or risk management, and creating reusable technical assets or communities of practice.
  • One or more role-relevant credentials are preferred, such as Microsoft Cybersecurity Architect Expert, Azure Security Engineer Associate, Security Operations Analyst Associate, Identity and Access Administrator Associate, CISSP, CCSP, CISM, AWS Certified Security, Google Professional Cloud Security Engineer, CompTIA Security+, GIAC, TOGAF, ITIL 4, PMP or Certified Customer Success Manager. Candidates should hold, or be prepared to obtain within 12 months, at least one relevant cloud or security certification. Certifications complement demonstrated technical and customer-facing experience.

About the Company

Ernst & Young

Global professional services: consulting, assurance, tax

EY (Ernst & Young) provides professional services at a global scale, offering consulting, assurance, tax, and transaction advisory services. It serves clients across industries such as technology, media, real estate, hospitality, and construction. Instead of selling a single product, EY works with clients through tailored engagements where cross-disciplinary teams analyze challenges, design strategies, perform audits, help with tax planning, and assist with mergers or divestitures. What sets EY apart is its worldwide reach and integrated service model, industry-specific expertise, and focus on responsible business practices like sustainability, cybersecurity, and workforce flexibility. EY’s goal is to help organizations improve performance, manage risk, and achieve sustainable growth while building a better working world.

Company size
5,001-10,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Boston, MA
Founded
1991

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