Portfolio Marketing Manager - Cyber Security Services (m/f/x)
For our region France, Belgium and Luxembourg, we are looking for a Portfolio Marketing Manager to lead the marketing strategy for our Operational Technology Cyber Security Services.
You will drive go-to-market execution, support regional launches, and build strong ecosystem partnerships to scale innovative cyber security services across all Smart Infrastructure Building OT domains like fire safety, security, and automation.
Tasks:
- Position the portfolio as a key enabler of smarter, more connected, and efficient operations.
- Lead marketing campaigns and ensure market readiness in close collaboration with sales and operations.
- Translate customer needs into value-driven cyber security services.
- Build and activate ecosystems with strategic partners (software vendors, cloud providers, ISVs, integrators) and identify joint go-to-market opportunities.
- Develop strong storytelling around Siemens OT Cyber Security capabilities and ecosystem success stories.
- Support sales teams with tools, content, and training
- Collaborate with regional HQ to localize global offerings and provide input for future service development.
- Apply Lean Portfolio Management principles to accelerate launches and support data-driven planning and prioritization.
- Travel regularly across the region to support local teams and ensure strong execution.
Your skills:
- Proven experience in software marketing, platform strategy, or ecosystem development
- Knowledge of OT cyber security and digital technologies is a plus
- Experience with agile ways of working and cross-functional collaboration
- Experience managing strategic partnerships and ecosystems within technology, software, digital services or cyber security environments
- Ability to collaborate across functions and prioritize value delivery
- Strategic marketing mindset with hands-on campaign and partner engagement experience
- Strong communication and stakeholder management skills in multicultural settings
- Ability to translate technical features into compelling customer value
- Fluent in French, English and Dutch
- Willingness to travel and operate across diverse markets
You’ll benefit from:
At Siemens, you will join an environment that cares about you. You get the opportunity to develop yourself in an international environment. We offer varied work in a wide range of positions and intensive internal training to further develop your career. Permanent coaching and guidance by a mentor are also part of the process. Furthermore, we offer:
- At least 31 days of annual leave.
- Flexible working conditions: 2 to 3 days a week of home working.
- Company car with European energy card (we have a green fleet).
- Benefits@work: online store with additional benefits for Siemens employees.
- Training program customized to your personal career needs.
- A competitive base pay, in line with the general Belgian labor market.
- A financial care program including a pension plan, death & invalidity coverage,
- and an extended medical insurance: hospitalization, outpatient (ambulatory) care (i.e. dental & optical expenses), …
- An employee assistance program, focused on mental and physical well-being.
- And so much more!
Create a better #TomorrowWithUs! Apply now!
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 create a better tomorrow with us!

