Senior Enterprise Network Architect & Security Engineer

Aegis Sciences Corp; Nashville (TN); On-site; USD 100,000 - 150,000; Full time

Job summary

Aegis Sciences Corporation in Nashville, TN seeks a Senior Network Engineer to design, administer, and optimize enterprise networks across multiple sites. You will support LAN/WAN, virtualization, storage, VoIP, and security services.

The role requires hands-on leadership, mentoring, and collaboration with IT Security, Infrastructure, Laboratory Operations, and business stakeholders to ensure reliable, secure, and scalable network services.

Qualifications

• Minimum seven (7) years of progressive experience administering enterprise network infrastructure.
• Experience administering Palo Alto firewalls, enterprise routing and switching, wireless networking, and multi-site network environments.
• Experience with hybrid cloud infrastructure including Microsoft Azure, virtual networking, identity services, and cloud-hosted workloads preferred.
• CCNP, Palo Alto, VMware, Microsoft Azure, or Citrix certifications strongly preferred.
• Experience with VMware, Citrix, PURE Storage, enterprise wireless platforms, firewalls, and highly available infrastructure environments strongly preferred.

Responsibilities

• Maintain and support virtual hosts (VMware), VDI (Citrix), and storage systems that support network and infrastructure operations.
• Design, administer, support, and troubleshoot LAN/WAN network services according to company policy and standards.
• Support, maintain, patch, configure, and lifecycle-manage routers, switches, and related network infrastructure for all sites.
• Administer, optimize, and troubleshoot firewall services at all sites, including rule management and performance review.
• Lead root-cause analysis and resolve network performance, availability, and connectivity issues using monitoring tools.
• Administer, support, optimize, and troubleshoot wireless network services across supported sites.
• Provide senior-level escalation assistance, mentoring, and technical guidance to Helpdesk and infrastructure team members as needed.
• Lead or participate in network-related projects, upgrades, incident response activities, and change-management planning to improve resiliency and security.
• Create, maintain, and regularly review documentation, diagrams, standards, and support procedures for responsible systems.
• Collaborate with IT Security, Laboratory Operations, and stakeholders to ensure reliable, secure, scalable network services.

Skills

Senior networking

Mentoring

Troubleshooting

Stakeholder communication

Project participation

Education

Bachelor’s degree preferred

High school diploma or GED required

Tools

Palo Alto

VMware

Citrix

PURE Storage

Firewall management

Job description

Aegis Sciences Corporation in Nashville, TN seeks a Senior Network Engineer to design, administer, and optimize enterprise networks across multiple sites. You will support LAN/WAN, virtualization, storage, VoIP, and security services.

The role requires hands-on leadership, mentoring, and collaboration with IT Security, Infrastructure, Laboratory Operations, and business stakeholders to ensure reliable, secure, and scalable network services.