Voice Systems Engineer – Enterprise Telephony

Cornerstone Defense LLC

Sterling (VA)

On-site

USD 90,000 - 130,000

Full time

2 days ago
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Benefits offered by this job

Medical
Dental
Vision
401(k)
HSA/FSA
Life Insurance
Disability Insurance
Tuition Reimbursement
Perks at Work
Referral Program
Travel Assistance
Fitness Reimbursement
529 Plan
Financial & Legal Services

Job summary

Cornerstone Defense LLC seeks a Systems Engineer focusing on Voice to support enterprise voice platforms and telephony integration. You will design, test and deploy voice infrastructure, and work with network engineers on call routing and security practices.

The role includes assisting in site voice system standups and call center deployments. Ideal candidates have 3+ years in systems engineering with a CS/CE background, experience with VoIP, SIP, and voice platforms, and a drive to learn

Qualifications

  • Minimum 3 years of Systems Engineer experience in enterprise IT with voice focus.
  • Undergraduate or graduate degree in computer science or computer engineering.
  • Experience with voice infrastructure design, testing, deployment and security accreditation.

Responsibilities

  • Design, test, and deploy voice infrastructure and next‑gen voice tech.
  • Support site voice system standups and call center deployments.
  • Collaborate with network/telecom engineers on integration activities.
  • Attend meetings to gather voice system requirements and ensure standards compliance.
  • Provide Tier 4 engineering support under supervision.

Skills

VoIP systems
SIP signaling
Call routing
Network engineering
Security accreditation
Linux
TCP/IP
DNS
DHCP
RTP

Education

BS in CS or CE

Tools

Skype for Business
Avaya CM
PBX systems
Encryption devices
Voice platforms

Job description

Cornerstone Defense LLC seeks a Systems Engineer focusing on Voice to support enterprise voice platforms and telephony integration. You will design, test and deploy voice infrastructure, and work with network engineers on call routing and security practices.

The role includes assisting in site voice system standups and call center deployments. Ideal candidates have 3+ years in systems engineering with a CS/CE background, experience with VoIP, SIP, and voice platforms, and a drive to learn

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