Senior Business Manager
Company: ASSYSTEM
Role summary
Senior Business Manager is a role at ASSYSTEM in Newcastle upon Tyne, England, United Kingdom (on-site). Posted 2026-08-13. Experience level: 10+.
- Job title
- Senior Business Manager
- Company
- ASSYSTEM
- Location
- Newcastle upon Tyne, England, United Kingdom
- Work arrangement
- on-site
- Category
- Software Engineering
- Experience level
- 10+
- Date posted
- 2026-08-13
Job description
Company Description
Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.
Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.
Job Description
We are seeking an experienced Senior Business Manager to lead a high-performing engineering consultancy portfolio delivering work packages and project-based Engineering outcomes.
This role is accountable for a project-driven P&L, where success is built on the consistent delivery of high-quality engineering outputs, strong commercial control, and disciplined performance management across multiple delivery streams.
Working in close partnership with the Programme Manager (who leads day-to-day project governance and delivery execution), this role ensures that all elements of the business are aligned to deliver sustainable, high-quality, and profitable outcomes.
🔹 Your Key Responsibilities
P&L Leadership & Integration
Own and deliver against a project-based P&L, ensuring revenue, margin, and cash targets are achieved
Integrate performance across key pillars (Programme Management, Engineering, Commercial, and Sales) to ensure joined-up execution of the business plan
Ensure that healthy project performance translates into sustained P&L success
Prepare and manage budgets, resource plans, and business forecasts to support the achievement of business objectives
Ensure proposed opportunities and commitments are rigorously assessed against business capability, resource availability, delivery capacity, and commercial objectives before acceptance
Delivery Assurance & Performance Oversight
Work in close partnership with the Programme Manager to ensure effective governance, controls, and delivery standards are embedded across all work packages
Maintain senior-level oversight of project performance, ensuring delivery against quality, schedule, and budget expectations
Define and oversee portfolio-level KPIs and performance metrics, ensuring clear visibility of trends and risks
Ensure early escalation and intervention where projects show signs of distress
Note: The Programme Manager leads day-to-day delivery governance; this role ensures the system is working effectively and delivering outcomes.
Forecasting, Reporting & Financial Control
Lead monthly forecasting, reporting, and financial reviews, ensuring outputs are accurate, insightful, and decision-ready
Maintain a strong grip on cost, margin, revenue, and cash performance across the portfolio
Ensure all reporting is high quality and suitable for senior stakeholder engagement
Provide analysis and recommendations to support informed business decision-making and continuous improvement
Contract & Commercial Governance (NEC)
Ensure appropriate oversight and assurance of NEC4 contract administration across the portfolio
Work with Commercial and Programme teams to ensure robust management of change, risk, and commercial positions
Support commercial teams in the negotiation and management of contract amendments, compensation events, variations, and associated commercial positions
Maintain a balanced approach that protects the business while supporting collaborative and strategic client relationships
Client Engagement & Pipeline Development
Build and maintain strong relationships with client stakeholders at programme and commercial levels
Support the development of a pipeline of work packages and framework opportunities in collaboration with Account Managers
Support the development, review, and approval of proposals and quotations, ensuring alignment with customer requirements, delivery capability, and commercial objectives
Support the establishment and growth of long-term framework agreements and strategic customer relationships
Ensure that strong delivery performance leads to repeat business and long-term client partnerships
Operational Excellence & Continuous Improvement
Ensure that effective processes, tools, and ways of working are in place across the business
Drive continuous improvement in delivery performance, efficiency, and consistency
Promote a culture of data-led decision-making and performance transparency
Identify and champion improvements in engineering methods, systems, digital tools, procedures, and ways of working that enhance quality, efficiency, and delivery performance
Leadership & Team Development
Provide leadership across the business, working through direct teams and key functional leads
Foster a culture of accountability, collaboration, and delivery excellence, tutoring Project Managers on the demands of the business and the wider context of their work
Support the development of capability across project, engineering, and commercial disciplines
Assess organisational capability and workforce requirements, supporting the development of skills, succession planning, and future resource capacity needs
Ensure teams are appropriately structured, resourced, and developed to meet current and future business demands
Compliance, Quality & Safety
Ensure alignment with HSEQ, regulatory, and security requirements
Work closely with the HSEQ function to ensure customer quality requirements are fully understood and appropriately implemented
Provide assurance that quality standards are being consistently achieved across all work packages
Support audit readiness and implementation of corrective actions where required
Ensure all security requirements and obligations are maintained across the portfolio
Qualifications
Essential Skills & Experience
Proven experience managing a P&L within an engineering consultancy or project delivery