Senior LAN Connectivity Engineer - Network Services

Job Description

We aspire to be the premier research-intensive biopharmaceutical company. We're at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals. Join our team and contribute to our mission of using the power of leading-edge science to save and improve lives around the world. As a LAN Engineer, you will play a crucial role in ensuring reliable, high-performance connectivity across our company sites globally.

Responsibilities

• Design, implement, and maintain local area network (LAN) infrastructure globally.
• Ensure reliable, high-performance connectivity across company sites.
• Collaborate with business, IT teams, and vendors to support network deployments.
• Resolve incidents and execute change management.
• Document architectures, configurations, and procedures.
• Participate in on-call rotation during business hours, including weekends.

Qualifications

Required

• Experience with Arista EOS, CloudVision
• Experience with Cisco IOS/IOS‑XE/NX‑OS, Catalyst/Nexus
• Expertise in Network Protocol and Routing
• Automation skills in Python, Ansible
• Layer‑3 expertise: inter‑VLAN routing, OSPF/EIGRP/BGP, redistribution

Preferred

• Industry-recognized certifications such as Cisco CCNP or CCIE
• Working experience with other network technologies: Security and Wireless
• Master's Degree

What We Offer

• Exciting work in a great team, global projects, international environment
• Opportunity to learn and grow professionally within the company globally
• Hybrid working model, flexible role pattern
• Competitive salary & incentive pay
• Pension and health insurance contributions
• Internal reward system and referral scheme
• 5 weeks annual leave, 5 sick days, 15 days of certified sick leave paid above statutory requirements annually, 40 paid hours annually for volunteering activities, 12 weeks of parental contribution
• Cafeteria for tax-free benefits according to your choice (meal vouchers, sport, culture, health, travel, etc.), Multisport Card
• Vodafone, Raiffeisen Bank, Foodora, and discount programmes
• Up-to-date laptop and iPhone
• Parking in the garage, showers, refreshments, massage chairs, library, music corner

Required Skills:

Availability Management, Availability Management, Business Management, Capacity Management, Change Controls, Change Management, Configuration Management (CM), Design Applications, Incident Management, Information Technology (IT) Infrastructure, Information Technology (IT) Infrastructure Engineering, Information Technology (IT) Support, Infrastructure Architecture, Infrastructure Deployment, Infrastructure Engineering, IT Coordination, IT Service Management (ITSM), Local Area Network (LAN), Network Infrastructures, Project Engineering, Software Configurations, Software Development, Software Development Life Cycle (SDLC), Solution Architecture, System Administration {+ 1 more}

Preferred Skills:

Current Employees apply HERE

Current Contingent Workers apply HERE

Search Firm Representatives Please Read Carefully 
Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company.  No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails. 

Employee Status:

Regular

Relocation:

No relocation

VISA Sponsorship:

No

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

05/9/2026

*A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.