Job Description

We are growing our Global Corporate Information Security team and we are seeking a Product Owner for Network Security (m/f/d) (Access Control & Network Visibility) who will be accountable for the technical ownership, operational correctness, and lifecycle management of the Access Control & Network Visibility service within the global Network Security portfolio. This service encompasses Network Access Control (NAC), Remote Access technologies, and Network Detection & Response (NDR), forming a foundational pillar of the organization’s Zero Trust and network visibility strategy.

The Product Owner ensures that access enforcement, telemetry, and detection capabilities are designed, implemented, and operated in a secure, resilient, and auditable manner. You will be end-to-end responsible for service quality, technical decision-making, and risk control within scope, while collaborating closely with Product Management, Architecture, SOC, IAM, PKI, and IT/OT stakeholders.

The working location for this position will be in Madrid city where we are currently setting up a new office. We operate a hybrid model, requiring at least 40% of the working time on-site on a weekly basis.

Creating passion: your responsibilities

Product & Service Ownership:

• Own the technical correctness, stability, and security posture of the Access Control & Network Visibility service.
• Act as L3 escalation and decision authority for complex incidents, platform issues, and high-impact changes.
• Ensure access enforcement and visibility controls align with Zero Trust principles and security policy
• Maintain clear service boundaries, interfaces, and dependencies with IAM, PKI, SOC, IT, OT, and Product teams.

Platform Lifecycle & Engineering Ownership:

• Own the lifecycle management of NAC, Remote Access, and NDR platforms, including onboarding, configuration standards, upgrades, and decommissioning.
• Ensure platforms are implemented according to approved architectures, standards, and patterns.
• Drive continuous improvement of detection quality, access policy effectiveness, and platform resilience.
• Validate and approve technical changes impacting access enforcement or network visibility.

Incident, Change & Problem Management:

• Lead and support investigation of complex access or visibility-related incidents with organization-wide impact.
• Ensure root cause analysis (RCA) is performed for significant incidents and recurring issues.
• Participate actively in change management processes, ensuring changes are risk-assessed, tested, and traceable.
• Balance security enforcement with availability and user experience considerations.

Service Integration & Cross-Domain Collaboration. Collaborate closely with:

• Identity and Access Management (IAM) teams.
• PKI and certificate services.
• Security Operations Centre (SOC) and Incident Response.
• Network Security Architect and Product Manager.
• IT, OT, and Product teams consuming the service.
• Ensure telemetry generated by NAC and NDR platforms is reliable, meaningful, and consumable by SOC.
• Support secure access patterns for IT, OT, and product-connected environments.

Sourcing & Operational Oversight

• Retain internal ownership and approval authority, regardless of sourcing model.
• Oversee and guide external providers or MSS delivering L1/L2 operational activities where applicable.
• Ensure runbooks, escalation paths, and quality metrics are defined and enforced.
• Validate operational performance and escalate deficiencies through Product Management.

Authority & Decision Rights. The Product Owner is accountable for:

• Technical decisions within the Access Control & Network Visibility service scope.
• Service availability, stability, and security posture.
• Approval of service-level changes and enforcement decisions.
• Quality and effectiveness of access control and network visibility outcomes.

Contributing your strengths: your qualifications

• Bachelor's or Master's degree in Cybersecurity, Computer Science, Information Systems, or a related field.
• Strong experience in Network Access Control, Remote Access technologies, or Network Detection & Response platforms.
• Proven track record owning and operating complex security platforms in enterprise environments.
• Solid understanding of Zero Trust principles, identity-centric access control, and network visibility.
• Experience operating services with high blast radius and organizational impact.
• Ability to troubleshoot complex access, authentication, and network flow issues.
• Experience integrating NAC or NDR platforms with IAM, PKI, endpoint posture, or SOC tooling.
• Exposure to ITIL-aligned service operations and change management processes.
• High degree of autonomy, ownership, and accountability.
• Resilient and effective during major incidents.
• Ability to work across teams and communicate security topics clearly to both technical and non-technical stakeholders.

Our commitment to you: your benefits

As an internationally successful family business, the Liebherr Group offers you a secure job, a unique variety of tasks and exciting development opportunities. Become part of our strong team today and get to know the Liebherr Group as a reliable partner. Profit from these benefits:

• Competitive compensation and benefits package that recognizes your expertise
• Flexible and hybrid working model
• Creative freedom and responsibility to shape processes and solutions in our global transformation
• Continuous learning and development with tailored training and certification opportunities
• Meal vouchers
• Life and accident insurance
• Option to include a premium private health insurance package as part of the flexible remuneration
• A safe, stable and international workplace within a trusted family business that invests in people

Please only use the online application option.

Please note that we do not accept applications via recruitment agencies for this position.

Have we awoken your interest? Then we look forward to receiving your online application. If you have any questions, please contact Marija Kostadinovic.

One Passion. Many Opportunities.

The company

Liebherr is a family-run technology company that is not only one of the largest construction machinery manufacturers in the world, but also offers high-quality, user-oriented products and services in many other areas. The Group employs nearly 50,000 people in more than 140 companies on all continents.

Location

Liebherr IT Shared Service Centre Ibérica, S.L.

Parque Norte. Alamo building Serrano Galvache, 56

28033 Madrid

Spain (ES)

Contact

Marija Kostadinovic

Marija.Kostadinovic@liebherr.com