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# VoIP Engineer

- **Company:** Peak Incorporated
- **Location:** United States
- **Experience:** Expert
- **Salary:** $110,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** Multitier Architecture, VoIP, Cisco Unified Communications Manager, VMware ESX Servers, Jabber, Network Monitoring, NIPRNet, Virtualization Technology, SolarWinds (Software), Network Server, Cisco, Vmware
- **Published:** November 1, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=cd28a1249d012d16

## About the Role

* 7+ years of experience administering and engineering Cisco Unified Communications platforms in enterprise or DoD environments.
 * Cisco Certified Network Associate (CCNA)
 * Hands-on experience with CUCM, Unity Connection, Expressways, SIP, QoS, and VG series gateways.
 * Experience upgrading and migrating Cisco UC systems, including UCS servers and virtualized environments (VMware ESXi).
 * Strong understanding of DISA STIG compliance, IA controls, and security best practices in DoD networks.
 * Proven ability to troubleshoot complex UC and collaboration issues in geographically distributed networks.
 * Familiarity with network monitoring tools such as RTMT and SolarWinds.
 * Strong technical documentation skills.

Clearance

 * Active DoD Security Clearance required upon start., * Bachelor's degree in IT, Engineering, or a related field.
 * Advanced Cisco certifications (CCNP).
 * Experience supporting VoSIP environments or SIPRNet voice deployments.
 * Experience with Tandberg video conferencing systems and enterprise video deployments.

## Description

We are seeking a highly skilled VoIP Engineer to design, implement, secure, and support enterprise-grade voice and collaboration systems across geographically dispersed environments. The ideal candidate will bring extensive experience managing large-scale Cisco Unified Communications infrastructures, ensuring secure, reliable, and high-performing voice and video services in support of mission-critical operations for federal and defense customers., * Provide engineering and administrative support for Cisco Unified Communications Manager (CUCM), Unity Connection, Expressways, Jabber, and related platforms across NIPR/SIPR and VoSIP networks.

 * Monitor, maintain, and optimize UC systems for availability, performance, and reliability using tools such as RTMT and SolarWinds.
 * Perform upgrades, migrations, and patching of UC infrastructure, including Cisco UCS servers, VG450 gateways, and VMware virtualized environments.
 * Apply DISA STIGs, remediate ACAS scan findings, and maintain compliance with DoD cybersecurity standards.
 * Support provisioning, deployment, and configuration of telephony devices, including developing BAT files, custom templates, and automated workflows.
 * Develop and maintain comprehensive documentation including system design guides, installation manuals, service policies, and operational procedures.
 * Collaborate with network, cybersecurity, and infrastructure teams to troubleshoot and resolve complex UC issues and escalate support needs as appropriate.
 * Conduct site surveys, develop as-built documentation, and recommend design changes to improve performance, scalability, and security.
 * Support users and stakeholders through Tier II/III troubleshooting, training, and end-user documentation.
 * Participate in planning and deployment of new UC services and technologies and contribute to strategic roadmap development.