IT Network and Telephony Engineer

DCI Donor Services-posted about 2 months ago

Full-time • Mid Level

Hybrid • Nashville, TN

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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.

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.
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
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 toll fraud and denial-of-service (DoS) attacks.
Use network and voice monitoring tools to track system health and performance.
Analyze usage patterns and performance metrics to recommend improvements and capacity planning.
Maintain logs and reports for audits, compliance, and incident analysis.
Continuously evaluate and refine configurations to improve efficiency, reliability, and user experience.
Provide reports to leadership on security incidents, trends, and compliance status.
Perform other related job duties as assigned

Bachelor’s degree in information security, Computer Science, or related field (or equivalent work experience)
7+ years of hands-on experience in network administration & IT Security
5+ years of experience managing VoIP systems and telephony infrastructure
Strong knowledge of networking protocols (TCP/IP, DNS, DHCP, etc.).
Proficiency with Cisco, or similar networking hardware.
Experience with firewall management, IDS/IPS, VPNs, and endpoint security tools.
Experience with VoIP systems, including setup, management, and troubleshooting of VoIP infrastructure (e.g., Cisco, RingCentral, Genesys Purecloud, Microsoft Teams Voice).
Familiarity with Network monitoring tools (e.g., Wireshark, SolarWinds)
Excellent problem-solving, analytical, and decision-making abilities.
Effective communication and interpersonal skills, with the ability to interact with technical and non-technical stakeholders.
Ability to work independently and as part of a team.
High attention to detail and strong organizational skills.
Sits, stands, bends, and walks.
Communicates verbally and in writing.
Lifts and carries loads up to 50 lbs.

Experience in the healthcare or nonprofit sector is a plus, particularly in a regulated environment such as an OPO
Relevant IT certifications preferred (e.g. CompTIA, Cisco, Microsoft)

Up to 184 hours of PTO your first year
Up to 72 hours of Sick Time your first year
Two Medical Plans (your choice of a PPO or HDHP), Dental, and Vision Coverage
403(b) plan with matching contribution
Company provided term life, AD&D, and long-term disability insurance
Wellness Program
Supplemental insurance benefits such as accident coverage and short-term disability
Discounts on home/auto/renter/pet insurance
Cell phone discounts through Verizon
Monthly phone stipend

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