Manager, Network and Voice (IT)

Job Summary/Purpose

The Network and Voice Manager owns the architecture and operations of enterprise network and voice capabilities that keep offices, partners, customers, and field operations connected and secure, and actively seeks opportunities to improve delivery through automation and modern, responsible use of generative AI.

Accountabilities And Essential Functions

- Lead and develop the network and voice team; set priorities, ensure on-call readiness, and run major incident response.

- Own network and voice architecture: define target architectures, standards, and roadmaps; drive lifecycle, patching, capacity planning, and resiliency patterns.

- Own perimeter and remote access services including firewall platforms, VPNs, secure internet access, private access controls, and cloud-delivered security enforcement; maintain policy governance and periodic reviews with Security.

- Deliver reliable cloud and partner connectivity: routing, external DNS dependencies, secure ingress/egress, and least-privilege network access.

- Ensure voice and contact center quality: QoS design, monitoring, troubleshooting, and provider management.

- Partner with OT stakeholders to keep OT/SCADA and IoT connectivity safe, segmented, and supportable.

- Manage carriers, cellular providers, OEMs, and MSPs; own SLAs, escalations, and cost awareness.

- Track and report KPIs (availability, latency, packet loss, MTTR, change success rate, voice quality/MOS).

- Maintain accurate documentation and diagrams (circuits, sites, devices, external DNS domains/zones, DNS forwarders, dependencies) in the ticketing/knowledge system and CMDB.

Primary Scope Coverage:

- Branch LAN/WAN/WiFi (WAN)

- External and internal DNS services, standards, security, and resiliency

- Internet, private circuits, carriers and cellular partners

- Partner connectivity (B2B), tunnels, and third-party integrations

- Cloud networking (Azure and other cloud environments, as applicable)

- Secure internet access, private application access, and policy-based remote user access (SSE/SASE capabilities)

- Firewalls, VPNs, segmentation, secure remote access, and cloud-delivered firewall services

- Genesys contact center network and telephony dependencies (SIP, trunks, routing)

- Microsoft Teams voice (telephony, QoS, E911/location)

- Metering IoT and OT/SCADA networks (segmented, monitored, change-controlled)

Minimum Requirements

Minimum education required of the position

- Bachelor’s degree in IT/Engineering or equivalent experience.

Minimum Experience Required Of The Position

- 7+ years enterprise networking (LAN/WAN/WiFi, routing/switching, firewalls). - 3+ years team leadership or senior technical lead ownership.

- Proven vendor management experience.

- Experience with corporate voice and contact center environments (Genesys preferred).

- Experience with segmented networks; OT/SCADA or critical infrastructure strongly preferred.

Minimum Knowledge, Skills And Abilities Preferred Of The Position

- Strong networking fundamentals: TCP/IP, routing (BGP/OSPF), QoS, VPNs, PKI/certs; packet-level troubleshooting.

- DNS/DHCP, including external DNS domains and control-plane dependencies.

- Perimeter and access security: firewalls, segmentation, secure remote access, and cloud-delivered security controls.

- Cloud networking fundamentals (virtual networks, routing, secure ingress/egress).

- Voice fundamentals (SIP/RTP, codecs, call quality drivers).

- Leadership in incidents and change: clear communication, calm execution, and strong operational discipline.

- Automation mindset (scripts, templates, Infrastructure-as-Code where applicable) and comfort leveraging generative AI to accelerate analysis, documentation, and troubleshooting workflows.

- Preferred:

- Utilities or asset-intensive operations experience.

- SASE/SSE and Zero Trust network access patterns.

- OT segmentation concepts (for example ISA/IEC 62443).

- Monitoring and logging integrations (NPM, SIEM).

Any Certificates, Licenses, Etc. Required For The Position

- Preferred:

- CCNP (Enterprise) or equivalent.

- Firewall and cloud networking certifications aligned to your stack.

Physical Requirements

- Able to operate a personal computer, either desktop or laptop.

- Able to sit for extended periods of time.

- Able to operate a copy machine, fax machine, calculator, telephone and other miscellaneous office equipment.

- Able to exert up to 10 Lbs. of force occasionally, and /or a minimal amount of force frequently to lift, carry, push or otherwise move objects.

Working Conditions

The Physical Demands described here are representative of those that must be met by an employee to successfully perform the Accountabilities and Essential functions of the job. Reasonable accommodations may be made to enable an individual with disabilities to perform the essential functions.

- Perform other job-related duties as assigned, within your scope of responsibilities.

- Job duties are performed in a normal and clean office environment with normal noise levels.

- Work is predominately done while standing or sitting.

- The ability to comprehend, document, calculate, visualize and analyze are required.

- Able to work regular hours, with occasional overtime.

About Delta Utilities

Delta Utilities is a natural gas utility headquartered in New Orleans that provides safe, reliable natural gas services across Louisiana and Mississippi. We understand the value of dependable energy and our important role in building stronger, more resilient communities. Delta Utilities is a $1.7 billion organization that represents 600,000 customers and is among the top 40 natural gas utilities in the United States.

Delta Utilities acquired CenterPoint Energy's natural gas utility operations in Louisiana and Mississippi in April 2025 and acquired Entergy's natural gas utilities in Baton Rouge and New Orleans in July 2025.

Delta Utilities is regulated by the Louisiana Public Service Commission, the Mississippi Public Service Commission, and the New Orleans City Council. We work closely with our regulatory agencies to deliver safe and reliable natural gas service and maintain fair rates for our customers.

Learn more at https://deltautilities.com.

Delta Utilities and associated entities are equal-opportunity employers. We do not discriminate against employees or applicants for employment on any legally recognized basis or any protected class under federal, state, or local law.