Network Designs, Inc. · 2 months ago
Network Specialist – Telephony Systems Support #1636107
Washington, DC
Full-time
Onsite
Senior Level
5+ years expNetwork Designs, Inc. (NDi) is a leading Federal contractor specializing in IT and network solutions for government customers. They are seeking a Network Specialist to support the configuration, deployment, and troubleshooting of enterprise telephony systems in a secure government setting.
Information ServicesInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Configure Cisco access layer switches, including VLANs, Power over Ethernet (PoE), and port settings to support IP telephony deployments
Identify and resolve Layer 2 and Layer 3 issues impacting voice services, including call quality, network segmentation, and traffic flow
Perform telecom cabling and wiring in MDFs and IDFs to support physical VoIP infrastructure and connectivity
Configure and troubleshoot Cisco CUBE and Oracle Session Border Controllers (SBCs) for VoIP integration
Configure and maintain Cisco Voice Gateways (e.g., VG410), supporting analog and digital voice connectivity as part of the unified communications environment
Install and troubleshoot Cisco Analog Telephone Adapters (ATAs) to support legacy analog devices within an IP telephony environment
Provision, deploy, and troubleshoot Polycom VVX 300/400/500 series VoIP phones in coordination with Microsoft Teams or Avaya telephony backends
Work closely with telephony engineers, network teams, and IT support to deliver and maintain reliable voice communication services across the enterprise
Maintain accurate documentation of network and telephony configurations, wiring diagrams, and port assignments
Qualification
Required
U.S. Citizenship is required
Must possess an active TS clearance at the time of application, be willing and able to obtain SCI access, and pass a CI polygraph
This position is onsite 5/days a week in Washington D.C
May be required to support occasional after-hours maintenance or troubleshooting
Bachelor's Degree in Network Engineering, Information Systems, Telecommunications, or a related field
Minimum 5 years of experience in network engineering or infrastructure support, with hands-on experience in voice networking
Proficiency in Cisco switch configuration, including VLANs, PoE, and access port management
Experience configuring and supporting Cisco CUBE, Cisco Voice Gateways, and Cisco ATAs
Working knowledge of Oracle SBCs and integration with VoIP systems
Ability to troubleshoot and resolve VoIP quality issues at Layers 2 and 3
Hands-on experience provisioning and supporting Polycom VoIP phones in an enterprise setting
Familiarity with MDF/IDF telecom wiring and structured cabling best practices
Strong attention to detail and ability to follow strict security and configuration protocols
Preferred
Certifications such as CCNA, CCNP, or equivalent networking credentials
Experience in secure or classified federal environments
Familiarity with Microsoft Teams Voice and Avaya platforms
Experience documenting network configurations using Visio or similar tools
Benefits
Comprehensive health, dental, vision, pet, and legal insurance
401(k) retirement matching
Paid leave
Paid holidays
Health and wellness programs
Employer-paid life and disability insurance
Professional development
Education benefits
Company
Network Designs, Inc.
NDi is a Verified Service-Disabled Veteran Owned Small Business [SDVOSB] professional services firm, supporting Federal and Commercial customers since 1995.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Anthony Zeruto, CISM
CEO and Owner
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