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Freeswitch Jobs (NOW HIRING)

Peraton

Senior Linux Systems Engineer

Herndon, VA · On-site

$104K - $166K/yr

... Freeswitch • Building and configuring monitoring systems like Prometheus, Nagios, or Zabbix. • Building and configuring ELK • Experience configuring Cisco, Juniper, and similar networking ...

ServiceTitan

Voice Operations Engineer

Glendale, CA · On-site +1

Experience with Kamailio, FreeSWITCH, Oracle/Ribbon SBCs, or similar open-source/commercial SIP platforms. * Familiarity with containerized environments (Docker, Kubernetes) and infrastructure-as ...

Data Dimensions

DevOps Engineer

Janesville, WI

$48.50 - $66.50/hr

Manage container workloads (Docker on ECS), including our specialized FreeSWITCH fax/telephony containers. * Own the infrastructure that our distributed system of independently scaled microservices ...

Data Dimensions

DevOps Engineer

Janesville, WI · On-site

$48.50 - $66.50/hr

Manage container workloads (Docker on ECS), including our specialized FreeSWITCH fax/telephony containers. * Own the infrastructure that our distributed system of independently scaled microservices ...

Pennymac

Fullstack Developer

Carrollton, TX · On-site

$90K - $150K/yr

Freeswitch development. * Experience with event driven architecture. * Familiarity with Chef & Infrastructure as Code. * Troposphere * AWS CDK * Experience with authentication flows such as OAuth2.

Axon

Senior UC Software Engineer, Axon 911

Manhattan, NY · On-site

$141K - $216K/yr

Familiarity with open-source VoIP tools such as FreeSWITCH and Kamailio. Direct experience with these is a strong signal; adjacent experience is welcome * Comfort operating in a highly cross ...

Baxter

Principal Software Engineer - VolP

$120K - $165K/yr

Production-level experience with Kamailio or FreeSWITCH . * Experience developing backend services using .NET or Node.js/TypeScript . * Ability to troubleshoot complex network, signaling, and media ...

Service Titan

Voice Operations Engineer

Experience with Kamailio, FreeSWITCH, Oracle/Ribbon SBCs, or similar open-source/commercial SIP platforms. * Familiarity with containerized environments (Docker, Kubernetes) and infrastructure-as ...

Podium

Senior Software Engineer - VoIP

Lehi, UT · On-site +1

$115K - $151K/yr

Experience with VoIP platforms like FreeSwitch, Kamailio, OpenSIPS, Asterisk * A hands-on, daily relationship with AI coding tools (Claude Code, Cursor, Copilot, etc.) - you've figured out how to ...

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How much do freeswitch jobs pay per year?

As of Aug 17, 2026, the average yearly pay for freeswitch in the United States is $171,651.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,500.00 and $202,500.00 per year, depending on experience, location, and employer.

What is a FreeSWITCH?

A FreeSWITCH job typically involves working with the open-source telephony platform FreeSWITCH to develop, configure, and maintain VoIP systems. Responsibilities may include building custom call flows, integrating with PBX systems, and optimizing performance for scalable communication solutions. Engineers or developers in this role often work with SIP protocols, scripting languages like Lua or JavaScript, and database management. Experience with networking, APIs, and telecom infrastructure is commonly required.

What are the typical daily responsibilities of a FreeSWITCH engineer?

A typical day for a FreeSWITCH Engineer involves configuring and maintaining FreeSWITCH servers, troubleshooting VoIP call flows, monitoring system performance, and implementing new features or integrations as needed. You may collaborate with software development teams to create custom modules, provide technical support to users or clients, and ensure high availability of telephony services. Documenting processes and staying updated on the latest FreeSWITCH releases or telecommunications standards are also common tasks. Expect a mix of hands-on technical work, problem-solving, and teamwork in this versatile role.

What are the key skills and qualifications needed to thrive in the FreeSWITCH position, and why are they important?

To thrive as a FreeSWITCH Engineer, you need deep expertise in VoIP technologies, SIP protocols, and real-time communications systems, often backed by a degree in Computer Science or a related field. Experience working directly with FreeSWITCH, related telephony software, and familiarity with Linux server administration are commonly required, as well as knowledge of scripting languages like Lua or Python. Strong problem-solving abilities, attention to detail, and effective communication skills help facilitate smooth project execution and teamwork. These competencies are critical for designing, deploying, and maintaining robust voice solutions in complex telecommunication environments.

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Freeswitch jobs near you
Infographic showing various Freeswitch job openings in the United States as of August 2026, with employment types broken down into 33% Full Time, and 67% Contract. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $171,651 per year, or $82.5 per hour.

Senior Linux Systems Engineer

Peraton

Herndon, VA • On-site

$104K - $166K/yr

Full-time

Re-posted 26 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

51st of 224 rated it services

Job description

Responsibilities
We are seeking a Senior Linux Systems Engineer with a strong background in Linux administration and common
open-source tools and software to join our team. This is an on-site position. Candidates must be self-starters who
enjoy working in fast-paced and dynamic environments. The ideal candidates will have at least 6 years of
experience in Linux administration, with experience building and maintaining production systems in virtualized
environments. Candidates should also have an intermediate understanding and experience with automation tools,
virtualization, containerization, and cloud hosting.
What you'll do...
Senior Linux Systems Engineers will be responsible for planning, deploying, and maintaining a wide variety of Linuxbased
services. Ideal candidates will have experience with the technologies, management, and configuration of all
aspects of a delivered service. This frequently entails experience with a wide variety of networking, Linux,
virtualization, and application configurations.
Qualifications
• 6+ years managing Linux servers running Debian, RHEL, and Ubuntu
• Experience configuring and maintaining common open-source tools and software such as Apache, NGINX,
Postgres, MariaDB, IPA/IDM, KeyCloak, LDAP, IPTables, pfSense, Wireguard, IPSec, and OpenVPN
• Experience working directly with virtualization platforms such as VMWare, Docker, and Kubernetes
• Experience creating and configuring automation tools, such as Ansible, AWX, and Foreman
• Understanding and applying networking protocols and concepts such as BGP, CIDR, DHCP, DNS, OSPF,
Routing, Switching, and VLANs
• Mentoring junior team members on system documentation, security hardening, and diagnosing and
troubleshooting system and network issues
• Excellent communication skills, attention to detail, and the ability to work collaboratively with other teams
• Stay up-to-date with emerging trends and technologies in Linux administration, automation, virtualization,
containerization, and cloud hosting
• Ability to work independently and prioritize tasks effectively
Preferred:
• Building and configuring software-based phone systems such as Asterisk or Freeswitch
• Building and configuring monitoring systems like Prometheus, Nagios, or Zabbix.
• Building and configuring ELK
• Experience configuring Cisco, Juniper, and similar networking devices
• Experience configuring and managing Quagga/FRR
• Designing and implementing wide-area networks
• Designing and implementing VMWare and related systems
• Familiarity with core mobile networking terms and technologies
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
EEO
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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