Manager, Network and Voice (IT) jobs in United States
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Delta Utilities · 6 days ago

Manager, Network and Voice (IT)

Delta Utilities is a natural gas utility headquartered in New Orleans that provides safe, reliable natural gas services across Louisiana and Mississippi. The Network and Voice Manager owns the architecture and operations of enterprise network and voice capabilities, ensuring connectivity and security while seeking opportunities for improvement through automation and modern technology.

Customer ServiceEnergyNatural ResourcesOil and Gas
Hiring Manager
Tommie Miers, MBA, SHRM-CP
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Responsibilities

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

Qualification

Enterprise networkingVendor managementVoiceContact centerTeam leadershipNetworking fundamentalsPerimeter securityCloud networkingAutomation mindsetCCNP certificationLeadership in incidentsOperational disciplineClear communication

Required

Bachelor's degree in IT/Engineering or equivalent experience
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

Preferred

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
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)
CCNP (Enterprise) or equivalent
Firewall and cloud networking certifications aligned to your stack

Company

Delta Utilities

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Delta Utilities is a regulated natural gas provider offering distribution and customer support to residential and commercial customers.