Network Engineer - Fully remote - Life Sciences Industry

Labcorp is a global leader in diagnostic testing and drug development solutions, helping healthcare providers, researchers, and patients make informed decisions that advance care. Join us in our mission to improve health and improve lives.

Labcorp is seeking a fully remote Network Engineer to join our team in Northern Ireland.

Work Schedule:

Monday - Friday 37 h per week. This is a 1st shift position that offers a fully remote working model, located in Northern Ireland and travelling occasionally to Dublin, Ireland to meet with teams and clients.

We are seeking a highly skilled Network Engineer with at least 5 years of experience in enterprise networking. The ideal candidate will have a strong background in network administration, implementation, and automation, with specific expertise in Citrix Net Scaler load balancers, Ansible, and a solid understanding of Arista Spine-Leaf architecture.

• Configure and maintain a secure and scalable network infrastructure.
• Configure and manage routers, switches, and load balancers.
• Administer and optimize Citrix Net Scaler (VPX) and Console environments for high availability and performance.
• Develop and maintain Ansible playbooks for automating network device configurations and deployments.
• Monitor network performance and troubleshoot issues across LAN/WAN/cloud environments.
• Collaborate with cross-functional teams to support infrastructure projects and upgrades.
• Maintain detailed documentation of network configurations and changes.

• Minimum 5 years of experience in network engineering.
• Bachelor’s degree in Computer Science, Information Technology.

• Experience with Arista Spine-Leaf and Layer-2 Leaf-Spine (L2LS) topology.
• Arista ACE or equivalent Cisco certification (CCNA or CCNP)
• Citrix Certified Associate – Networking (CCA-N) or higher
• Red Hat Certified Specialist in Ansible Automation (or equivalent)

• Advanced level experience with Citrix Net Scaler (VPX) including configuration, optimization, automating, and troubleshooting.
• Experience with Infrastructure as Code practices (IaC)
• Proficiency with Ansible for network automation and configuration management.
• Advanced understanding of structured data formats (YAML, json, XML)
• Strong understanding of TCP/IP, DNS, DHCP, VLANs, and routing protocols (BGP, OSPF, VXLAN).
• Troubleshoot L4–L7 traffic issues including latency, TLS handshake failures, HTTP errors, and routing issues.
• Experience with enterprise-grade hardware.
• Familiarity with cloud networking (AWS, Azure) is a plus.
• Proficiency in network monitoring and diagnostic tools.
• Strong analytical and problem‑solving abilities.
• Excellent communication, documentation and diagramming skills.
• Ability to work independently and collaboratively.
• Detail‑oriented with a proactive approach to network health and security.

Labcorp strives for inclusion and belonging in the workforce and does not tolerate harassment or discrimination of any kind. We make employment decisions based on the needs of our business and the qualifications and merit of the individual. Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), family or parental status, marital, civil union or domestic partnership status, sexual orientation, gender identity, gender expression, personal appearance, age, veteran status, disability, genetic information, or any other legally protected characteristic.

Additionally, all qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law.

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