infraone’s purpose is to protect the critical infrastructure modern life depends on - from factories that produce essential goods to utilities and water supply -by providing world-class cybersecurity and network services to operational-technology (OT) environments.
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Born from an engineering company in 2011, we have delivered 700+ cybersecurity and IT/OT infrastructure projects and maintain 24×7 support for leading manufacturers across Europe. Guided by the values of Ownership, Customers First, Trust, Ambition, and Excellence, we are building Europe’s leading OT-cybersecurity services firm.
The Opportunity
As a Junior Cybersecurity Consultant, you will join the Cybersecurity team supporting some of the largest pharmaceutical manufacturers in Europe. Your mission is to ensure the security design, administration and reliability of all systems that support production processes, from core IT services to industrial OT infrastructure. You will be part of a team responsible for the design and application of security measures in the manufacturing environment.
Key Responsibilities
- Engage in comprehensive diagnostics to identify vulnerabilities in OT infrastructures and propose the most appropriate solutions.
- Assess potential threats, classifying and prioritizing risks according to the criticality of industrial systems.
- Collaborate in the planning and implementation of technical controls, such as network segmentation, system hardening, and privilege management in industrial environments.
- Participate in the definition and validation of secure architectures, overseeing compliance with authentication and encryption mechanisms.
- Assist with testing of industrial applications and systems,



verifying the effectiveness of implemented measures and proposing improvements
- Consulting & client advisory: Serve as a trusted technical advisor to clients, guiding them in assessing risks, designing secure architectures, and implementing cybersecurity strategies for industrial environments.
- Continuous improvement: Identify emerging threats, technologies, and methodologies to strengthen service delivery and develop new cybersecurity offerings.
- Cross-team collaboration: Work closely with internal stakeholders and technology partners to deliver high-quality, end-to-end cybersecurity solutions.
Minimum Qualifications
- Completed university certificate (e.g., IT Engineering, Telecommunications, Cybersecurity, Computer Science).
- Have a high level of B2 English, as some of our projects are international.
- Be a curious person, passionate about cybersecurity, eager to learn and face new challenges.
Nice-to-Have
- Minimum 1 year experience in a consultation role
- Experience in industrial or manufacturing environments
What Makes You Successful Here
- You are a self-driven and detail-oriented professional who thrives in mission-critical environments. You enjoy solving complex infrastructure challenges, take pride in doing things right, and are motivated by supporting operations that keep industry moving.
Benefits & Development
- Permanent contract
- Adaptable compensation
- Projects with leading international companies
- Opportunity to grow in a highly specialized team
- Trainings and certifications
Our Values
Ownership: We take responsibility and make things happen.
Customer First: We obsess over client value and outcomes. xqbhyrx
Trust: We operate with radical transparency and mutual trust — no egos, just honesty and reliability
Ambition: We set bold goals and push boundaries.
Excellence: We aim to be the best at what we do.

📌 Junior Cybersecurity Consultant (Barcelona)
🏢 INFRAONE SEC
📍 Barcelona