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Freelance Session Border Controller Sbc Jobs (NOW HIRING)

Bowhead

Unified Communications Engineer

TX · On-site

Configure and support Cisco Unified Border Element (CUBE)/Session Border Controller functionality, SIP trunks, voice gateways, and call routing. * Administer and maintain Cisco Unity Connection and ...

Nokia

Care Engineer

Coppell, TX · On-site

$107K - $177K/yr

Provide technical support and guidance to customers, focusing on IP Telephony and Session Border Controller technologies. * Troubleshoot and resolve complex issues, leveraging Kubernetes and ...

BloKchain Talent

Telephony Engineer

Tempe, AZ

... Border Controllers (SBC), Session Initiated Protocol (SIP), and Public Switched Telephone Network (PSTN) gateways. Responsibilities: * Provide IP Telephony and VoIP Subject Matter Expertise for ...

Jobsbridge

QA Technical Manager

San Ramon, CA · On-site

... SBC (Session Border Controller) Hands-on experience testing Bulk Call Generators (Spirent abacus A5000) Knowledge of foundation, principles and techniques of SW programming; Automation Test skills ...

Nokia

Care Engineer

Coppell, TX

In-depth knowledge and hands-on experience with IP Telephony, Session Border Controllers, Kubernetes, and container technologies. * Strong troubleshooting and problem-solving skills, with the ability ...

BloKchain Talent

Telephony Engineer

Tempe, AZ · On-site

... Border Controllers (SBC), Session Initiated Protocol (SIP), and Public Switched Telephone Network (PSTN) gateways. Responsibilities: * Provide IP Telephony and VoIP Subject Matter Expertise for ...

LOUi Consulting

$18 - $24.75/hr

The technician sustains Avaya Communication Manager and associated system-management, session-management, border-controller, voicemail, virtual-server, and trunking components while maintaining ...

Leidos

Enterprise Voice Engineer III

Shiloh, IL

$73K - $132K/yr

... Session Border Controller (SBC) and Avaya Aura Application Server. Expertise in SIP internetworking signaling and call flow. Demonstrable experience of advanced fault analysis to isolate and diagnose ...

Ziply Fiber

Director, Voice & Access

$178K - $235K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... the Session Border Controller (SBC) architecture: platform selection, high-availability topology, and integration with upstream carriers and downstream CPE. Regulatory Compliance & Network ...

LOUi Consulting Group, Inc

$18 - $24.75/hr

The technician sustains Avaya Communication Manager and associated system-management, session-management, border-controller, voicemail, virtual-server, and trunking components while maintaining ...

Williams-Sonoma, Inc.

Senior Systems Engineer

San Francisco, CA

$123K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... session border controllers, carrier services, and contact center integrations. This role is ideal ... routing, SBC configuration, dial plan design, certificate management, voice resiliency, and ...

Ziply Fiber

$180 - $270/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Own the Session Border Controller (SBC) architecture: platform selection, high-availability topology, and integration with upstream carriers and downstream CPE. Regulatory Compliance & Network ...

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Freelance Session Border Controller Sbc information

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$118K

How much do freelance session border controller sbc jobs pay per year?

As of Aug 18, 2026, the average yearly pay for freelance session border controller sbc in the United States is $107,799.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,000.00 and $113,500.00 per year, depending on experience, location, and employer.

What is a freelance session border controller SBC?

Freelance Session Border Controller (SBC) professionals are experts who work independently to configure, manage, and troubleshoot SBC devices and software for businesses. SBCs are network elements that secure and manage voice over IP (VoIP) communications, ensuring quality and protecting against threats. These freelancers typically have experience with SIP protocols, network security, and a variety of SBC platforms. Organizations often hire them for project-based work, such as system migrations, security upgrades, or integrating VoIP solutions.

What are the typical challenges a freelance session border controller SBC faces when working with multiple clients' VoIP networks?

As a Freelance SBC, one of the main challenges is adapting to varied VoIP infrastructures, security requirements, and vendor-specific SBC configurations across different clients. You'll often need to troubleshoot interoperability issues between disparate systems, maintain secure communications, and ensure seamless call quality. Effective communication and documentation are crucial, as you frequently collaborate remotely with network engineers and IT teams to implement changes or resolve incidents. Staying up-to-date with evolving protocols and security threats is also essential for ongoing success in this role.

What are the key skills and qualifications needed to thrive as a freelance session border controller SBC specialist, and why are they important?

To excel as a Freelance Session Border Controller (SBC) specialist, you need deep knowledge of VoIP protocols (SIP, RTP), network security, and troubleshooting, usually supported by experience in telecommunications or a related IT field. Familiarity with major SBC platforms (such as Oracle, Ribbon, or AudioCodes), network monitoring tools, and relevant certifications like CCNA or vendor-specific credentials is highly valued. Strong problem-solving, communication, and independent project management skills help you collaborate with clients and resolve issues efficiently. These competencies are crucial for ensuring reliable and secure voice communication systems in diverse client environments.

What is the difference between Freelance Session Border Controller Sbc vs Network Engineer?

AspectFreelance Session Border Controller SbcNetwork Engineer
CredentialsCertifications in VoIP, networking, SBC technologyNetworking certifications (CCNA, CCNP, Cisco, CompTIA)
Work EnvironmentFreelance, remote or on-site for telecom projectsCorporate, enterprise, or service provider networks
Industry UsageTelecommunications, VoIP providers, securityIT, telecommunications, network infrastructure
Job FocusConfiguring, deploying, and maintaining SBCs for VoIP security and routingDesigning, implementing, and troubleshooting network systems

The main difference is that Freelance Session Border Controller Sbc specialists focus on VoIP security and SBC deployment, often working independently, while Network Engineers handle broader network infrastructure and design. Both roles require networking certifications, but their work environments and specific job functions differ significantly.

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Freelance Session Border Controller Sbc jobs near you
Infographic showing various Freelance Session Border Controller Sbc job openings in the United States as of August 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $107,799 per year, or $51.8 per hour.

Unified Communications Engineer

Bowhead

TX • On-site

Full-time

Posted 4 days ago

Job description

Overview
Unified Communications Engineer (GAFB-2026-25909):
Bowhead seeks to network with a Unified Communications Engineer for an upcoming proposal effort to support the operation, maintenance, administration, and sustainment of an enterprise Cisco Unified Communications environment. The Unified Communications Engineer will provide advanced technical expertise across the Cisco collaboration infrastructure, including Cisco Unified Communications Manager (CUCM), Cisco Unified Border Element (CUBE)/Session Border Controllers, Cisco Unity Connection, SIP trunks, voice gateways, call routing, dial plans, and associated voice services. The position will be responsible for maintaining system availability, performing complex troubleshooting and fault isolation, implementing configuration changes, and supporting the integration and sustainment of enterprise voice and collaboration services.
Responsibilities
Essential functions will include:
  • Administer, operate, maintain, and troubleshoot Cisco Unified Communications Manager (CUCM) and associated unified communications infrastructure.
  • Configure and support Cisco Unified Border Element (CUBE)/Session Border Controller functionality, SIP trunks, voice gateways, and call routing.
  • Administer and maintain Cisco Unity Connection and associated voicemail services.
  • Configure and maintain dial plans, route patterns, translation patterns, calling search spaces, partitions, device pools, and other CUCM components.
  • Perform advanced troubleshooting and fault isolation for voice, signaling, call-routing, endpoint, gateway, and interoperability issues.
  • Analyze SIP signaling and call flows to identify and resolve complex voice service issues.
  • Perform system configuration changes, software upgrades, patches, backups, restores, and certificate management.
  • Configure and troubleshoot Cisco IP phones, analog gateways, and other voice endpoints and associated devices.
  • Support integration between CUCM, CUBE/SBCs, PSTN/carrier services, and other enterprise communications systems.
  • Monitor system performance, availability, capacity, and alarms and take corrective action as required.
  • Maintain accurate system configurations, diagrams, inventories, technical documentation, and change records.
  • Support incident response and restoration of unified communications services during outages and other service-impacting events.
  • Coordinate with network, cybersecurity, carrier, vendor, and customer personnel to resolve technical issues and implement system changes.
  • Ensure unified communications systems are maintained in accordance with applicable DoD cybersecurity, security, configuration management, and technical requirements.
  • Provide technical guidance and assistance to telecommunications technicians and other support personnel as required.
  • Perform other duties as assigned in support of telecommunications and unified communications operations.
  • Other duties as assigned

Qualifications
  • Education (a High School diploma or GED is required at a minimum for Bowhead)
    • Bachelor's degree in Information Technology, Computer Science, Telecommunications, Engineering, or a related technical field preferred.
    • Additional relevant experience, technical training, and industry certifications may be considered in lieu of a degree.
  • Years of experience
    • Five (5) or more years of professional experience supporting enterprise telecommunications or unified communications environments.
    • Three (3) or more years of hands-on experience administering, maintaining, and troubleshooting Cisco Unified Communications Manager (CUCM) and associated Cisco collaboration technologies.
    • Demonstrated experience with CUBE/Session Border Controllers, SIP, voice gateways, dial plans, call routing, and advanced voice troubleshooting.
  • Required skills or certifications
    • Cisco Certified Network Associate (CCNA) certification required. Cisco Certified Network Professional (CCNP) Collaboration preferred.
    • CompTIA Security+ CE certification or other DoD 8140-compliant certification appropriate to the position required.
    • Strong working knowledge of Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, and Cisco Unified Border Element (CUBE)/Session Border Controller technologies.
    • Demonstrated experience configuring and troubleshooting SIP trunks, voice gateways, dial plans, call routing, and Cisco IP endpoints.
    • Strong understanding of VoIP technologies and protocols, including SIP, RTP, TCP/IP, QoS, and associated network services.
    • Ability to analyze SIP signaling and call flows and perform advanced troubleshooting of complex voice and unified communications issues.
    • Working knowledge of system upgrades, patching, backups, certificate management, and configuration management.
    • Ability to develop and maintain technical documentation, system diagrams, configuration records, and troubleshooting procedures.
    • Ability to work independently and coordinate effectively with network, cybersecurity, vendor, and customer technical personnel.
  • Intermediate to advanced level skills in Microsoft Office software suite - Word, Excel, Outlook, PowerPoint
  • Ability to communicate effectively with all levels of employees and outside contacts
  • Strong interpersonal skills and good judgment with the ability to work alone or as part of a team

Physical Demands:
  • Must be able to lift up to 50 pounds
  • Must be able to stand and walk for prolonged amounts of time
  • Must be able to twist, bend and squat periodically

SECURITY CLEARANCE REQUIREMENTS: Must currently hold a security clearance at the Public Trust level. US Citizenship is a requirement for Public Trust clearance at this location.
Please note that the salary information is a general guideline only. Bowhead considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.
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