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.

We deliver 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 Senior Network & Security Engineer, you will join the Network & Security team supporting some of the largest pharmaceutical manufacturers in Europe. You will take ownership of the deployment, security, and optimization of the network and OT/IT infrastructure systems that support production processes.

Key Responsibilities

1. Manage and configure network infrastructure, including routers, switches, firewalls, VPNs, network segmentation, IDS/IPS, and secure remote access.
2. Lead incident response and troubleshooting: diagnose connectivity and network issues, investigate incidents and implement remediation strategies
3. Contribute to continuous improvement: evaluate emerging threats and technologies, and recommend enhancements to network infrastructure
4. Cross-team collaboration: Work closely with internal stakeholders and technology partners to deliver high-quality, end-to-end cybersecurity solutions.

Qualifications:

1. Bachelor's degree in Computer Science, Telecommunications, Information Systems, Cybersecurity, or a related field
2. Proven experience in network administration and solid knowledge of routers, switches, firewalls, and access control systems
3. Solid knowledge of routers, switches, firewalls, and access control systems
4. Strong organizational skills and ability to prioritize tasks
5. Excellent interpersonal and teamwork abilities
6. Fluent English (spoken and written) at a professional level
7. Driving license

Nice-to-Have

1. Relevant technical certifications (e.g., CISSP, CEH, CompTIA Security+, Cisco CCNA, Palo Alto Networks certifications)
2. Hands-on experience in industrial or manufacturing environments
3. Familiarity with pharmaceutical industry standards and validation requirements

What Makes You Successful Here

You are a self-driven professional who thrives in mission-critical environments. You take ownership of infrastructure challenges, enjoy solving complex network and security problems, and are motivated by supporting operations that keep critical industry moving.

Benefits & Development

1. Permanent contract
2. Flexible compensation
3. Projects with leading pharmaceutical companies and essential infrastructure operators
4. Opportunity to grow in a highly specialized team focused on IT and OT infrastructure
5. Training and certification support in network security, industrial cybersecurity, and emerging technologies

Our Values

Ownership: We take responsibility and make things happen

Customer First: We obsess over client value and outcomes

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

1. Initial screening
2. HR interview
3. Technical Interview with Hiring Manager
4. Final culture fit with Managing Director