Sr Infrastructure Engineer

The Senior Infrastructure Engineer (SIE) is responsible for the design, implementation, maintenance, and optimization of Carter BloodCare’s (CBC) network infrastructure. This position applies advanced expertise in Cisco networking technologies, routing protocols, SD-WAN, and infrastructure security to design, implement, and optimize resilient network solutions.

The SIE ensures the reliability, scalability, and security of network systems by maintaining LAN/WAN environments, supporting VOIP systems, and collaborating with cybersecurity personnel to enforce security standards. This position proactively monitors, troubleshoots, and resolves complex network and infrastructure issues to ensure high availability and performance across critical systems, including hybrid cloud environments.

The SIE exemplifies and champions CBC Core Values and Code of Conduct and adheres to CBC policies and applicable Standard Operating Procedures (SOPs). To support ongoing development and organizational goals, the SIE is required to attend meetings and training sessions, as assigned. This position participates in the shared on-call rotation with the IS Technical Services team.

Exempt employees are expected to maintain availability beyond standard business hours when business needs arise. Regular, full-time attendance is required during normal working hours.

• Bachelor’s Degree in Computer Science, Information Technology, or a related field; Equivalent work experience may be considered in lieu of a degree
• Industry certifications (e.g., Cisco CCNP CCIE), preferred, * Minimum of 5 years of experience with Cisco routing, switching, and firewall technologies
• Minimum of 3 years of experience supporting VOIP systems, preferably Cisco-based solutions
• Minimum of 3 years of experience with SD-WAN technologies and implementation
• Experience in a lead, mentoring, or supervisory capacity, preferred
• Experience administering enterprise systems and services, including Windows Domain Services (e.g., Active Directory, DNS, Group Policy) and Microsoft 365, preferred
• Experience supporting network and infrastructure environments across cloud and virtualization platforms (e.g., Microsoft Azure, AWS, VMware, Nutanix), preferred
• Experience managing infrastructure lifecycle activities (e.g., patching, firmware upgrades, ongoing maintenance of network devices), preferred

SKILLS AND KNOWLEDGE

• Advanced knowledge of LAN/WAN architecture, routing, switching, and network protocols
• Knowledge of SD-WAN architecture, deployment, and management
• Understanding of hybrid cloud networking concepts, including Azure and AWS networking services
• Familiarity with virtualization platforms (e.g., VMware, Nutanix)
• Knowledge of Windows Domain Services (e.g., AD, DNS, Group Policy)
• Knowledge of Microsoft 365 administration
• Strong understanding of network security principles and collaboration with cybersecurity teams
• Proficiency in configuring and maintaining Cisco infrastructure and firewall technologies
• Ability to diagnose and resolve complex network issues in a timely manner
• Strong documentation skills, including network diagrams and SOPs
• Excellent communication skills with the ability to interface with users and cross-functional team

PHYSICAL/MENTAL STRESS FACTORS

• Ability to sit, walk, stand, bend, and move up to 40 pounds
• Ability to work under pressure in a fast-paced environment with competing priorities and critical infrastructure support responsibilities
• Stress associated with the ability to operate all equipment necessary to perform the job
• Ability to participate in an on-call rotation and respond to after-hours incidents, which may require extended work hours