Commercial Manager (QS)

Siemens; Manchester; Hybrid; GBP 65,000 - 85,000; Full time

Benefits offered by this job

Flexible working

Annual bonus

Pension scheme

Job summary

Siemens Mobility in Manchester is seeking a Commercial Manager to provide commercial support across major infrastructure projects in the North West. You will work with Project Managers, stakeholders and suppliers to ensure delivery on time and within budget while managing diverse work packages.

Hybrid work with three days in the office. Role may also appeal to Senior Quantity Surveyors seeking progression into a Commercial Manager position.

Qualifications

• Experience in rail, construction or large-scale infrastructure projects.
• Proven ability to manage multiple stakeholders and complex interfaces.
• Professional membership such as RICS or working towards it.

Responsibilities

• Lead project and work package commercial delivery, ensuring on-time, on-budget performance.
• Forecast costs, manage budgets and variations across work packages.
• Provide contractual and commercial support to Project Managers and Engineering.
• Prepare and present periodic commercial performance reports.
• Maintain auditable records and liaison with clients and subcontractors.

Skills

Commercial acumen

Stakeholder management

Negotiation

Multidisciplinary projects

Independent working

Education

Degree in relevant discipline

Tools

RICS

Job description

Closing date: 30th October 2026

What if your next role actually made you excited for Mondays? At Siemens Mobility, we believe our people are the cornerstone of our success. We are committed to nurturing a supportive and inclusive environment where every team member can thrive. Join our global community, where your growth and development are as important as our shared mission to innovate and transform the Rail industry.

Siemens Mobility is a global market leader in rail infrastructure, shaping the future of transportation through cutting‑edge technology, digital innovation, and sustainable engineering. As part of our Rail Infrastructure business, you’ll join a team that is transforming how people and goods move, making rail travel safer, smarter, greener, and more efficient.

We have an exciting opportunity for a Commercial Manager to join our Manchester team, providing commercial support across major infrastructure projects in the North West. Working closely with Project Managers, stakeholders and suppliers, you will help ensure projects are delivered on time and within budget while managing a diverse range of work packages. We also welcome applications from experienced Senior Quantity Surveyors looking to take the next step into a Commercial Manager role.

This role promotes hybrid working, with a minimum requirement of 3 days in the office per week.

You’ll make a difference by …

• Being responsible for project and work package change control and management
• Presenting periodic project commercial performance
• Providing key commercial interface for responsible work package manager
• Providing contractual & commercial support to Project Managers and Engineering
• Responsible for work package cost management, including forecasting, budget management and control
• Monitor and actively manage and mitigate work package risks
• Provides Input to internal and external commercial reports as required by Commercial Delivery Strategy
• Ensure processes and document control complies with the appropriate Company standards
• Establish and maintain interfaces with key stakeholders, including clients, subcontractors, project management, engineering, and finance teams
• Responsible for maintaining auditable records for responsible work packages in accordance with contractual requirements

Your role profile may vary from time to time in accordance with business needs. Your annual objective setting with your line manager will outline any additional responsibilities required to meet business or individual development needs for the forthcoming financial year.

What You’ll Need To Succeed...

• Experience gained within rail, engineering, defence, construction, IT or a similar project-based industry.
• Experience working on complex, multidisciplinary projects.
• Working towards or holding a professional membership such as RICS.
• Experience managing multiple stakeholders across project delivery teams.

Must Haves:

• Previous Quantity Surveyor/Senior Quantity Surveyor experience within a contractor-side project environment, with a proven track record of successful commercial delivery.
• Degree qualified (or equivalent higher education) in a relevant discipline and/or working towards or holding a professional qualification such as RICS, IACCM, or similar.
• Strong commercial and financial acumen, including experience managing direct labour and subcontract costs, forecasting costs, measuring completed work, and estimating/managing change and variations.
• Experience developing and implementing commercial strategies, alongside identifying and proactively managing commercial risks and opportunities.
• Strong communication, presentation, and negotiation skills, with the ability to report commercial performance to internal and external stakeholders.
• Ability to work independently, build collaborative relationships, manage expectations, prioritise workloads effectively, and thrive in high-performing environments while promoting Siemens' high standards and reputation.
• Willingness and ability to travel to customer sites across the region.

At Siemens Mobility, we believe that work should work for you. We go beyond standard benefits to create an environment where our people feel supported, empowered and valued both professionally and personally.

Wellbeing:

Flexible working, 24/7 Mental health support, Subsidised gym memberships, Subsidised Bupa healthcare, Enhanced sick pay

Financial:

Match and More pension, Life assurance, Perks at Work discounts, Cycle to Work scheme, Annual Bonus

Family:

Day-one paid parental rights, Shared parental leave, Extra holidays for length of service, Enjoy 26 days annual leave (plus public holidays), with the flexibility to buy or sell up to 5 days each year, volunteering days and sabbaticals

Personal Growth:

Access to online learning, Support for external training and development opportunities, Inclusive culture promoting equality and belonging, Active employee networks, Opportunities to grow your skills and career

Join Siemens Mobility where your wellbeing, growth, and future matter.

Transform The Everyday with us

We value your unique identity and perspective and are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society. Come bring your authentic self and transform the every day with us!

We are a Disability Confident Leader and welcome applications from all individuals, including those with disabilities. If you require any reasonable adjustments during the recruitment process, please contact your recruiter, who will be happy to support you.

At Siemens, we promote a growth mindset, the self‑belief that we can learn and grow, take on new challenges and adapt to change. If you don't match all the criteria for this role but feel you have transferable skills to enable you to succeed.