Interim Systems Integration Manager at Nextech Group Limited, London Area, £Contract Rate

Role: Interim Systems Integration Manager

Type: Contract - Outside IR35

Location: Hybrid (London + UK Travel)

The Opportunity

An ambitious, acquisitive professional services group is undertaking a major business systems transformation programme across multiple operating companies.

We are looking for an experienced Interim Systems Integration Manager to lead the implementation, integration and rollout of a new technology stack, ensuring systems, data and processes are aligned across the group.

This is a hands-on transformation role, combining programme leadership, process design, systems integration and stakeholder management. You'll be responsible for creating a scalable operating model that supports future growth and acquisitions.

Key Systems - The programme includes the implementation and integration of:

• Sage Intacct (ERP)
• HubSpot (CRM)
• Employment Hero (HRIS)
• Scoro (Project Management, Resource Planning & Time Recording)

Key Responsibilities

• Systems Design & Architecture

• Map current business processes and data flows across multiple operating companies.

• Design the future-state systems architecture and operating model.

• Define system ownership and master data structures.

• Remove manual processes, duplicate data entry and spreadsheet-driven workarounds.

• Ensure data flows seamlessly across all platforms.

Systems Integration

• Lead the integration of ERP, CRM, HR and project operations systems.

• Define integration requirements and oversee delivery with implementation partners.

• Ensure alignment of customer, employee, project and financial data across platforms.

• Support data migration, testing and user acceptance activities.

• Create scalable integration standards for future acquisitions.

Programme Delivery

• Develop and manage project plans, milestones and delivery roadmaps.

• Coordinate internal stakeholders, software vendors and third-party partners.

• Manage risks, dependencies and delivery timelines.

• Drive accountability across multiple workstreams and business units.

• Provide regular progress updates to senior leadership.

Business Transformation

• Facilitate process mapping and discovery workshops.

• Challenge existing ways of working and identify opportunities for improvement.

• Standardise processes across multiple businesses.

• Support change management, adoption and user engagement.

• Build a repeatable implementation playbook for future growth initiatives.

Reporting & Data Visibility

• Ensure systems support real-time business reporting and operational visibility.

• Enable reporting across project profitability, utilisation, WIP, resource planning and financial performance.

• Work closely with business leaders to ensure reporting requirements are embedded within the solution design.

Skills & Experience

Essential

• Proven experience delivering complex systems integration or transformation programmes.

• Strong background in ERP, CRM, HRIS or professional services systems implementation.

• Experience working within multi-site or multi-entity organisations.

• Excellent stakeholder management skills, including engagement with senior leadership teams.

• Strong process mapping and business analysis capability.

• Experience managing software vendors and implementation partners.

• Ability to work autonomously and drive outcomes in a fast-paced environment.

Desirable

• Sage Intacct implementation experience.

• HubSpot implementation experience.

• Employment Hero knowledge.

• Experience with Scoro or similar PSA/project accounting platforms.

• Exposure to M&A integration programmes.

• Experience within private equity-backed organisations.

• Background working within professional services, consulting, engineering or project-based businesses.

Contract Details

• Initial 4-month contract

• Outside IR35

• Hybrid working model

• London-based meetings when required

• Travel to UK operating businesses as needed

• Immediate start preferred