Senior IT Manager - Systems

Senior IT Manager – Corporate Applications £80,000–£90,000 + Bonus | Hertfordshire, UK | Full-Time

Are you ready to lead a high-impact applications ecosystem and shape the digital backbone of a global organisation? If you thrive at the intersection of strategy, delivery, leadership, and innovation, this is an exciting opportunity to make a major impact.

We’re seeking a hands-on, forward-thinking Senior IT Manager – Corporate Applications to drive our client’s enterprise systems roadmap and lead a global team across ERP, Finance, Supply Chain, HR, and Analytics platforms.

Why You’ll Love This Role

• Shape and deliver a scalable enterprise applications strategy.
• Own and evolve the NetSuite ecosystem across Finance, Operations, Supply Chain, HR, Marketing, and PMO.
• Lead a talented global team of ERP, data, and development specialists.
• Drive AI-enabled transformation using automation, analytics, and GenAI.
• Work closely with C-Suite leaders on high-visibility initiatives.
• Competitive £80–£90k salary + bonus, strong benefits, and a culture focused on improvement and innovation.

The Mission

You will oversee strategy, delivery, and operations for all corporate applications, with a strong emphasis on NetSuite, financial systems, project management tools, HR platforms, and integrations. Your focus: system stability, scalability, data quality, and exceptional user adoption while supporting wider digital and AI-driven transformation.

What You’ll Lead

Strategy & Roadmap

• Build a 3-year applications roadmap covering modernisation, scalability, and integrations.
• Sponsor key initiatives such as ARM, multi-entity consolidation, procurement automation, and data governance.
• Manage NetSuite upgrades, testing cycles, and change processes.

Architecture & Integration

• Own solution architecture across Financials, Order Management, Inventory, Logistics, SuiteCommerce, and SuitePeople.
• Oversee customisations using SuiteScript, SuiteFlow, SuiteAnalytics and RESTlets.
• Lead integrations via Celigo, Boomi, MuleSoft, and REST APIs.
• Drive MDM, data governance, and reporting (Power BI, Tableau).

Operations & Reliability

• Lead L2/L3 support, release management, and incident/change processes.
• Define SLAs, track KPIs, and reduce recurring issues.
• Manage production and sandbox environments and deployment pipelines.

AI & Transformation

• Develop and deliver an AI-enabled applications strategy.
• Identify automation and predictive analytics opportunities.
• Promote Responsible AI principles across systems and teams.

Leadership & Stakeholder Engagement

• Lead and develop a high-performing global team.
• Manage vendors, budgets, licensing, and SOWs.
• Influence executives and drive adoption of best-in-class business systems.

What You Bring

• Strong background in ERP and business systems leadership.
• Experience leading global application/IT teams.
• In-depth NetSuite expertise across Financials, SCM, CRM, WMS, ARM, SuiteScript, and SuiteApps.
• Knowledge of SDLC, Agile/DevOps, CI/CD, and ITIL.
• Integration experience (Celigo, Boomi, MuleSoft, REST APIs).
• Familiarity with Azure/AWS and Microsoft 365/Power BI.
• Solid understanding of key business processes (O2C, P2P, R2R, P2P/Production, H2R).
• Bonus: multi-entity consolidation, Salesforce/ADP integrations, Avalara, OpenAir, SuiteCommerce, and relevant certifications.
• Strong communication, problem-solving, leadership, and stakeholder skills.