Head Of Network Security

Siemens Energy; Lisboa; Hybrid; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Pension plan

Employee stock ownership option

Flexible remote work

Learning and development programs

Family-friendly policies

Job summary

Siemens Energy is seeking a strategic Head of Network Security to shape the future of secure connectivity across the organization. You will lead a transformation from traditional operations to a platform-based, automated service model, driving value for business resilience and growth.

You will partner with Cybersecurity, Infrastructure, Cloud, and OT teams to implement Zero Trust, SASE, and segmentation across IT and OT. A strong leadership track record and a passion for innovation are essential.

Qualifications

• Bachelor's degree in IT or related field.
• Proven leadership of global network/security portfolios.
• Strong understanding of Zero Trust, SASE, ZTNA, segmentation and cloud security.
• Experience leading large-scale transformation and platform modernization.
• Experience driving automation, observability, AI-enabled operations, or platform engineering at scale.

Responsibilities

• Own and evolve the global Secure Access & Segmentation service portfolio.
• Define and execute a transformation roadmap toward platform-based, software-defined, cloud-integrated security services.
• Drive adoption of Zero Trust, SASE, ZTNA, and segmentation across IT and OT.
• Lead automation and AI initiatives to improve delivery, observability, and customer outcomes.
• Establish platform engineering practices and self-service capabilities.
• Collaborate with Cybersecurity, Infrastructure, Cloud, Architecture, and OT teams to deliver solutions.
• Drive simplification and modernization of the network security landscape.
• Build and lead a high-performing global team with an engineering mindset.

Skills

Leadership

Global portfolio management

Zero Trust

SASE

ZTNA

Platform modernization

Automation

AI in operations

Stakeholder influence

Education

Bachelor's degree in IT areas

Job description

Head of Network Security

About the Role

Job ID 301267 Location Portugal Lisboa Amadora Remote vs. Office Hybrid (Remote/Office) Company Siemens Energy Unipessoal Lda. Organization EVP Global Functions Business Unit Digital Core Full / Part time Full-time Experience Level Professional / Experienced

A Snapshot of Your Day

As Head of Network Security Services, you will shape and drive the future of secure connectivity across Siemens Energy. You will lead the transformation from traditional network security operations toward a platform-based, highly automated, and AI-enabled service model that supports business growth, resilience, and innovation. Working closely with Cybersecurity, Infrastructure, Cloud, Architecture, and OT stakeholders, you will help define the next generation of Secure Access & Segmentation capabilities. Your focus will be on building scalable platforms, strengthening engineering excellence, and turning emerging technologies into measurable customer and business value.

How You’ll Make an Impact

• Own and evolve the global Secure Access & Segmentation service portfolio, aligning security, business value, and user experience.
• Define and execute the transformation roadmap toward platform-based, software-defined, and cloud-integrated network security services.
• Drive the adoption of Zero Trust, SASE, ZTNA, and segmentation capabilities across IT and OT environments.
• Lead automation and AI initiatives to improve service delivery, observability, operational intelligence, and customer outcomes.
• Establish platform engineering practices, self-service capabilities, and a product-oriented operating model.
• Partner with Cybersecurity, Infrastructure, Cloud, Architecture, and OT teams to deliver integrated end-to-end solutions.
• Drive simplification, standardization, and modernization of the network security landscape while reducing technical debt.
• Build and develop a high-performing global team with a strong engineering, innovation, and transformation mindset.

What You Bring

You are a forward-looking technology leader who combines strategic vision with a passion for transformation, innovation, and modern engineering practices. You have successfully led large-scale modernization initiatives and understand how to evolve complex enterprise environments toward platform-based and automated operating models. You are energized by building future-ready capabilities, empowering teams, and creating measurable business value through technology.

• Bachelor's degree in IT areas
• Proven leadership experience managing global network, security, connectivity, or infrastructure service portfolios
• Strong understanding of modern network security architectures, including Zero Trust, SASE, ZTNA, segmentation, and cloud security
• Demonstrated success leading large-scale transformation, platform modernization, and operating model evolution
• Experience driving automation, observability, AI-enabled operations, or platform engineering at scale.
• Ability to align technology strategy with business objectives and influence senior stakeholders across organizational boundaries.
• Passion for innovation, simplification, continuous improvement, and building future-ready services.

Who is Siemens Energy?

At Siemens Energy, we are more than just an energy technology company. With dedicated employees in more than 90 countries, we develop the energy systems of the future, ensuring that the growing energy demand of the global community is met reliably and sustainably. The technologies created in our research departments and factories drive the energy transition and provide the base for one sixth of the world's electricity generation.

Our global team is committed to making sustainable, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

Our Commitment to Diversity

Lucky for us, we are not all the same. Through diversity we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Rewards/Benefits

• In addition to an attractive remuneration package in line with the market, you can expect an attractive employer-financed company pension scheme
• We also offer the opportunity to become a Siemens Energy shareholder
• We offer our employees the opportunity to work flexibly and remotely, and our inspiring offices provide space for collaboration and creativity
• The professional and personal development of our employees is very important to us. We provide them with the opportunities to learn and develop in a self-determined way, various attractive programmes and learning materials are available for this purpose
• In relation to the "compatibility of family and work", we have a wide range of offers, flexible working time models, childcare places at many locations, the possibility of trial part-time work or even a sabbatical