Senior Voice and Network Engineer
Global Data Consultants
- Location
- Onsite (Chambersburg, Pennsylvania)
- Employment
- Full-time
- Level
- Mid Level
About the Role
GDC IT Solutions is seeking a Senior Voice and Network Engineer to join its Managed Services team. The role focuses on designing, deploying, and maintaining VoIP infrastructure and phone systems for SMB and mid-market customers.
Skills
Benefits
- Comprehensive Benefits Package
- Holiday and Vacation
Full job details
GDC IT Solutions is currently seeking a Senior Voice and Network Engineer to join our Managed Services team.
Position Overview
This position will be responsible for the design, implementation, administration, troubleshooting, and ongoing support of modern phone systems and related VoIP infrastructure for our managed- services customers. The ideal candidate has strong hands-on experience with 3CX, SIP, VoIP, networking, firewalls, and Microsoft 365, and understands how these technologies work together in a business environment. This is a client-facing engineering position that will participate in new implementations, system migrations, escalations, project work, and ongoing managed-services support.
Responsibilities
- Design, deploy, configure, and maintain phone systems for SMB and mid-market customers.
- Perform new phone system installations, upgrades, migrations, and system expansions.
- Provision and manage IP phones and other VoIP endpoints.
- Support common platforms including Yealink, Fanvil, Grandstream, Poly, and similar devices.
- Configure and troubleshoot VoIP-related firewall requirements.
- Work with firewalls including Fortinet, SonicWall, Meraki, WatchGuard, Palo Alto, and similar platforms.
- Troubleshoot SIP connectivity and interoperability issues with carriers and SIP providers.
- Perform network and packet-level troubleshooting using tools such as Wireshark and 3CX diagnostic tools.
- Monitor customer phone systems and proactively identify potential problems.
- Participate in on-call and escalation support as required.
- Serve as a Tier 3 escalation point for VoIP and 3CX-related issues.
- Configure and troubleshoot:
- SIP trunks
- SIP providers
- SBCs
- DIDs
- Inbound and outbound call routing
- IVRs and digital receptionists
- Ring groups and queues
- Call forwarding and routing
- Voicemail
- Auto attendants
- Conference services
- Call recording
- Holiday and office-hour routing
Minimum Qualifications
- 3+ years of hands-on experience with 3CX or comparable VoIP platforms.
- Strong understanding of SIP and VoIP technologies.
- Strong networking fundamentals including TCP/IP, VLANs, DHCP, DNS, NAT, routing, and QoS.
- Experience configuring and troubleshooting firewalls.
- Experience deploying and supporting IP phones.
- Experience troubleshooting VoIP call-quality issues.
- Strong analytical and troubleshooting skills.
- Ability to work independently on complex technical issues.
- Ability to communicate technical information effectively to both technical and non-technical customers.
- Experience working in an MSP or managed-services environment preferred.
- Ability to manage multiple customer projects and support issues simultaneously.
- Valid driver's license and ability to travel to customer locations as required.
Preferred Experience
- 3CX Basic or Advanced Certification
- 3CX Intermediate/Advanced training
- Experience with 3CX Hosted and/or self-hosted deployments
- Experience with 3CX SBC
- Experience with SIP trunk providers
- Experience with Microsoft Teams/Direct Routing
- Experience with Yealink, Fanvil, Grandstream, Poly, or similar phone systems
- Experience with Fortinet, SonicWall, Meraki, WatchGuard, or Palo Alto firewalls
- Experience with ConnectWise, Autotask, Kaseya, or similar MSP platforms
- Experience with Microsoft 365 and Entra ID
- Experience with Wireshark
- Network+ or CCNA
- Experience with Cisco, Aruba, Ubiquiti, or similar networking equipment
- Experience with PowerShell or basic scripting
What We Do:
GDC IT Solutions (GDC) is a full-service Information Technology (IT) company that specializes in the areas of application development, multilingual service desk, desktop lifecycle management, project management, and IT consulting.
Why Work for GDC?
- Cutting Edge Technology and Innovation
- Career Growth Opportunities
- Employee-Centric Environment
- Comprehensive Benefits Package
- Holiday and Vacation
Equal Opportunity Workplace:
GDC is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. All qualified applicants will receive consideration for employment.
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