Voice Engineer III

We’re seeking an experienced Voice Engineer III to join our team in San Antonio, TX. In this fully onsite role, you’ll ensure the continuous, secure operation of our DISA voice and video communications environment by leading sustainment, maintenance, and change-management activities.

Responsibilities

• Maintain and optimize a large, high-availability IP telephony and video network
  

• Configure, troubleshoot, and validate voice/video services, including call routing, search spaces, partitions, and device profiles
  

• Perform capacity planning and implement approved configuration changes with thorough documentation
  

• Install and manage Cisco or Juniper routers, switches, and distributed firewall devices
  

• Develop and update technical procedures, work instructions, and reporting tools
  

• Analyze SIP signaling and call-flow issues to isolate and resolve complex faults
  

• Troubleshoot remote-site registration, media path, and signaling failures
  

• Review and approve change requests for accuracy and compliance
  

• Conduct detailed fault analysis for voice subscribers, call handlers, and routing rules
  

Requirements

• Active DoD Secret security clearance
  
• DoD-8570 IAT Level II certification (e.g., Security+ CE)
  
• Bachelor’s degree plus 4–8 years of related experience, or Master’s degree plus 2–6 years; equivalent combinations considered
  
• Hands-on experience with one or more enterprise voice platforms (e.g., Cisco CUCM, CUBE, Unity; Avaya Aura; Oracle SBC)
  
• Deep understanding of SIP internetworking, signaling, and call-flow mechanics
  
• Proven track record of advanced fault analysis across routing, switching, security, and large-scale voice deployments
  
• Organizational Skills
  
• Strong documentation habits and comfort with diagramming network topologies
  
• Familiarity with WAN fundamentals and capacity-planning methodologies
  
  

• Knowledge of SRTP (with G.711/G.729 codecs) and DTMF handling
  
• Experience supporting IPSec/MPLS VPNs and BGP routing
  
• Background in QoS configuration for voice and critical traffic streams
  
• Hands-on troubleshooting of IPSec tunnels and distributed firewalls
  
  

Benefits

• Paid
  Time Off  PTO):TEN (10) Paid days off & FIVE (5)
  Floating days off.
  
• Holidays:
  11 Paid Holidays. Flex time can be utilized instead of holiday
  time usage.
  
• Payroll:
  Paid Bi-Monthly.
  
• 401(k):
  Partnered with the SECOND LARGEST Retirement plan provider in
  the U.S. Guaranteed 3% match. Eligibility – 21 years of age or
  older, after 3 months of employment
  
• Individual
  or company-wide performance and recognition awards (Quarterly
  
  
  

• UNITED
  HEALTHCARE PPO, extensive national coverage.
  
• INCLUDES: Medical/Dental/Vision/HSA.
  
• Eligible
  on the first of the month, immediately after the start date.
  
• Submit
  the enrollment form within 30 days of your start date otherwise,
  you will have to wait until October for the new year enrollment.
  

• Training
  & Career Development Reimbursement of Tuition and training
  needed to support career development.
  
• $150
  monthly reimbursement contribution paid monthly towards parking expenses.
  
• Receipts
  must be submitted by the close of business on the 25th of each month.
  
• Reimbursements
  will be paid on the first payroll AFTER reimbursements are
  submitted each month.
  

• Performance
  bonus – Project-based
  
• Yearly
  bonus – Company based