IT Network and Telephony Engineer
Listed on 2026-07-26
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IT/Tech
Cybersecurity, Network Engineer
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IT Network and Telephony EngineerRegular Full-Time Professional Recruiting - Nashville, Nashville, TN, US
2 days ago Requisition
DCI Donor Services (DCIDS) is looking for a dynamic and enthusiastic team member to join us to save lives!! Our mission at DCIDS is to save lives through organ donation and we want professionals on our team that will embrace this important work!! We are currently seeking an IT Network and Telephony Engineer. The IT Network and Telephony Engineer is responsible for the design, management, and maintenance of the organization’s IT network, security infrastructure, and VoIP telephony systems.
This role ensures seamless operation and optimal performance of all network components, including routers, switches, VPNs, and firewalls, while actively protecting the organization from cybersecurity threats. Additionally, the administrator will manage and support VoIP services, ensuring clear and reliable communication across the organization. A critical part of this role is identifying vulnerabilities, troubleshooting network and telephony issues, and implementing proactive measures to safeguard the integrity of the company's infrastructure.
COMPANY OVERVIEW AND MISSION
For over four decades, DCI Donor Services has been a leader in working to end the transplant waiting list. Our unique approach to service allows for nationwide donation, transplantation, and distribution of organs and tissues while maintaining close ties to our local communities.
DCI Donor Services operates three organ procurement/tissue recovery organizations:
New Mexico Donor Services, Sierra Donor Services, and Tennessee Donor Services. We also maximize the gift of life through the DCI Donor Services Tissue Bank and Sierra Donor Services Eye Bank.
Our performance is measured by the way we serve donor families and recipients. To be successful in this endeavor is our ultimate mission. By mobilizing the power of people and the potential of technology, we are honored to extend the reach of each donor’s gift and share the importance of the gift of life.
With the help of our employee-led strategy team, we will ensure that all communities feel welcome and safe with us because we are a model for fairness, belonging, and forward thinking.
Key responsibilities this position will perform include:
- Network Administration
- Design, configure, and maintain LAN/WAN infrastructure, including routers, switches, wireless access points, load balancers, and firewalls.
- Implement and manage VLANs, routing protocols, and Quality of Service (QoS) to optimize network performance.
- Monitor network performance and availability, proactively identifying and resolving issues.
- Maintain accurate and up-to-date network documentation, including topology diagrams and configuration records.
- Network Security and Compliance
- Implement and manage network security controls, including firewalls, VPNs, and intrusion detection/prevention systems (IDS/IPS)
- Monitor network traffic for anomalies and respond to security incidents in coordination with cybersecurity teams.
- Enforce access controls, segmentation, and secure configurations to protect sensitive data and systems.
- Ensure compliance with organizational security policies, industry standards, and regulatory requirements.
- Conduct periodic security audits, vulnerability assessments, and penetration tests, partnering with consultants/third parties where necessary
- Respond to and mitigate cybersecurity incidents in coordination with incident response protocols
- VoIP and Telephony Administration
- Administer and support VoIP systems, including call routing, voicemail, conferencing, and auto attendants.
- Configure and maintain Session Border Controllers (SBCs), SIP trunks, and telephony gateways.
- Monitor call quality and troubleshoot VoIP-related issues (e.g., jitter, latency, dropped calls).
- Coordinate with service providers and vendors to resolve outages or system issues.
- Ensure the security of VoIP infrastructure against threats such as…
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