OT Network Engineer

Arxada is a global leader in innovative solutions that protect our world. Our groundbreaking technologies, in-depth regulatory know-how, manufacturing and process development help our customers to safeguard nutrition, health and infrastructure efficiently through chemistry and biotechnology that enhance sustainability. We offer a broad portfolio of ingredients and services for multiple end-markets that include Human Health & Nutrition, Home & Personal Care, Professional Hygiene, Paints & Coatings and Wood Protection. 

With customers in more than 100 countries, the company achieved sales of CHF 2 billion in 2024. Headquartered in Basel (Switzerland), Arxada employs 3,200 associates across 24 production sites and 14 R&D centers, all committed to our customers’ success. 

We are seeking a highly skilled OT Networking Engineer with deep expertise in 
Fortinet technologies to join our manufacturing organization. This role focuses 
, and maintaining secure LAN  LAN infrastructure Operational Technology (OT) environments, including SCADA systems, industrial control systems (ICS), OSI PI data historians, and Claroty cybersecurity solutions (xDome and SRA). The ideal candidate will also manage projects, provide accurate, and ensure  ensure compliance industrial cybersecurity standards

Essential Job Functions:

• Design and deploy Fortinet-based solutions (FortiGate, FortiSwitch, FortiManager, FortiAnalyzer) for OT environments.
• Integrate OT systems such as PLCs and SCADA with enterprise IT networks securely.
• Configure and maintain firewalls, VPNs, and SD-WAN solutions to protect manufacturing operations.
• Implement and manage Claroty xDome for asset visibility and risk management.
• Configure and maintain Claroty SRA for secure remote access to OT systems.
• Monitor network performance and security posture across production facilities.
• Conduct vulnerability assessments and ensure compliance with industrial cybersecurity standards.
• Develop and enforce network segmentation strategies to protect critical manufacturing assets.
• Provide accurate budget estimates for network projects and manage project timelines and deliverables.
• Collaborate with IT, OT, and cybersecurity teams to align network strategies with business objectives.
• Maintain detailed documentation of network configurations, security policies, and project plans.
• Troubleshoot network issues impacting production and provide timely support.
• Maintain detailed documentation of network configurations and security policies.

Qualifications & Experience:

• 5+ years of experience in LAN network engineering within OT environments.

• Hands-on experience with Fortinet technologies (FortiGate, FortiManager, FortiAnalyzer)

• Strong knowledge of SCADA systems and OSI PI data historians

• Experience with Claroty xDome and Claroty SRA solutions

• Proficiency in TCP/IP, VLANs, routing, NAT, and network segmentation.

• Ability to manage projects, provide budget estimates, and deliver on time.

• Fortinet NSE4 or higher certification preferred.

• Knowledge of industrial cybersecurity frameworks (NIST, IEC 62443).

• Familiarity with other security products (Palo Alto, Cisco ASA).

• Experience with network monitoring tools and automation.

• Understanding of manufacturing processes and OT risk management.

Arxada has world class offering in two distinct areas:

Microbial Control Solutions (MCS) focuses on threats posed by microorganisms to people and planet through five distinct business lines including Professional Hygiene, Home & Personal Care, Wood Protection, Paints & Coatings and Material Protection.

Nutrition, Care & Environmental (NCE), meanwhile, provides materials used to manufacture composites for electronics, aerospace and other markets, as well as vitamins and nutritional ingredients, chemicals and performance intermediates, and raw materials for a wide range of high-performance applications.

Arxada is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex, sexual orientation, gender identity, age, status as a qualified individual with disability, protected veteran status, or any other characteristic protected by law.

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