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Sip Protocol Testing Jobs (NOW HIRING)

Stem Xpert

GW/Routers Validation Engineer

Tampa, FL · On-site

... SIP servers, and other monitoring and testing equipment. Own automation framework and develop automation scripts to validate protocol compliance, interoperability, voice path validation and feature ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR · On-site

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

Validation & Engineering Group, Inc

PR

Execute IOQ and PQ protocols for CIP/SIP systems, including cleaning recipe verification, steam ... testing. * Assist in managing deviations, non-conformances, and change controls related to CIP/SIP ...

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Sip Protocol Testing information

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$74

How much do sip protocol testing jobs pay per hour?

As of Jun 8, 2026, the average hourly pay for sip protocol testing in the United States is $44.24, according to ZipRecruiter salary data. Most workers in this role earn between $33.41 and $52.40 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in SIP Protocol Testing, and why are they important?

To thrive in SIP Protocol Testing, you need a strong understanding of networking fundamentals, VoIP technologies, and SIP protocol standards, often supported by a degree in computer science or related fields. Familiarity with packet analysis tools like Wireshark, SIPp, and experience with test automation frameworks are typically required. Analytical thinking, problem-solving abilities, and effective communication are crucial soft skills for collaborating across teams and troubleshooting complex issues. These competencies ensure accurate protocol validation, interoperability, and reliable voice communication systems.

What is SIP protocol testing?

SIP protocol testing involves verifying and validating the functionality, performance, and security of the Session Initiation Protocol (SIP), which is widely used for initiating, maintaining, and terminating real-time communication sessions such as voice and video calls over IP networks. Testers check if SIP messages are correctly formatted and handled, ensure interoperability between different devices and platforms, and assess the protocol’s behavior under various network conditions. This testing is crucial to ensure seamless communication, call quality, and reliability for VoIP and other SIP-based services.

What are some common challenges encountered in SIP Protocol Testing, and how can they be addressed?

Professionals in SIP Protocol Testing often face challenges such as interoperability issues between devices from different vendors, diagnosing complex signaling errors, and ensuring robust security against threats like spoofing or denial-of-service attacks. Addressing these requires a solid understanding of SIP standards, hands-on experience with various SIP test tools, and close collaboration with development and network teams to resolve protocol mismatches. Staying updated with evolving SIP specifications and participating in regular cross-team troubleshooting sessions can significantly improve test outcomes and foster a more efficient problem-solving environment.

What is the difference between Sip Protocol Testing vs VoIP Network Engineer?

AspectSip Protocol TestingVoIP Network Engineer
Primary FocusTesting and validating SIP protocol functionality and securityDesigning, implementing, and maintaining VoIP network infrastructure
Required SkillsKnowledge of SIP, network protocols, testing toolsNetwork configuration, troubleshooting, VoIP systems
Work EnvironmentTesting labs, network simulation environmentsLive network environments, enterprise settings
CertificationsISTQB, Wireshark, VoIP certificationsCCNA, CCNP, Cisco Voice certifications

Sip Protocol Testing primarily involves validating SIP protocol performance and security, often in testing environments. VoIP Network Engineers focus on designing and maintaining VoIP networks in live settings. While both roles require networking knowledge and certifications, Sip Protocol Testing emphasizes protocol validation, whereas VoIP Network Engineers handle overall network deployment and troubleshooting.

More about Sip Protocol Testing jobs
What job categories do people searching Sip Protocol Testing jobs look for? The top searched job categories for Sip Protocol Testing jobs are:
Sip Protocol Testing jobs near you
Infographic showing various Sip Protocol Testing job openings in the United States as of May 2026, with employment types broken down into 55% Full Time, 44% Part Time, and 1% Temporary. Highlights an 82% Physical, 7% Hybrid, and 11% Remote job distribution, with an average salary of $92,027 per year, or $44.2 per hour.
Manager Application Development

Manager Application Development

Pennymac

Westlake Village, CA • On-site

$131K - $294K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

PENNYMAC
Pennymac (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market.
At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of homeownership through the complete mortgage journey.
A Typical Day
The Opportunity
We are seeking a "Hands On" Manager of Application Development to lead the development of next-generation Communication Platforms at Pennymac. This role will develop, manage and mentor a talented team of application developers building robust, scalable, and highly available systems. The ideal candidate combines technical expertise in real-time communications and open-source tools like FreeSWITCH, with proven experience delivering enterprise-grade software solutions integrated with platforms such as ZenDesk, ServiceNow, Five9, Zoom, and CallMiner.
You will guide the design, development, and deployment of VOIP/SIP systems, real-time APIs, and customer engagement platforms, driving innovation while ensuring quality, reliability, and performance.
What You'll Do (Responsibilities)
  • Lead, mentor, and develop a team of engineers focused on communication technologies and full-stack development.
  • Set technical direction and ensure adoption of best practices in architecture, security, DevOps, and software delivery.
  • Champion a high-performance, agile development culture aligned with Pennymac's values and technology strategy.
  • Oversee development of complex, enterprise-transforming communication applications using modern tech stacks.
  • Drive the integration of communication platforms (e.g., Zoom, Five9, ZenDesk, CallMiner) with internal systems.
  • Ensure the design and stability of VOIP infrastructure, including SIP servers and FreeSWITCH deployments.
  • Promote the use of design patterns, event-driven architecture, unit testing, and clean code principles across the team.
  • Architect scalable, secure, and cloud-native solutions leveraging containerization (Docker/Kubernetes), CI/CD pipelines, and infrastructure-as-code (e.g., Chef, AWS CDK, Troposphere).
  • Guide incident response and troubleshooting of high-impact production issues with composure and technical depth.
  • Foster observability, monitoring, and performance tuning practices in VOIP and application environments.
  • Work cross-functionally with business stakeholders, Product, QA, and IT to ensure applications deliver measurable business value.
  • Translate business needs into clear technical goals, balancing short-term delivery with long-term maintainability.

What You'll Bring
What We're Looking For (Qualifications)
  • Bachelor's degree in Computer Science, Engineering, or related field (or 3+ years equivalent experience).
  • 8+ years of software engineering experience, including 3+ years in technical leadership roles.
  • Proven success leading teams building real-time communication or VOIP-based applications.
  • Hands-on experience with backend development (Go, Python, Node.js) and front-end frameworks (React, TypeScript, JavaScript).
  • Strong understanding of API design, microservices, and distributed systems.
  • Experience working with:
    • FreeSWITCH and SIP protocols
    • Zoom, ZenDesk, Five9, CallMiner or similar communication platforms
    • Cloud infrastructure (AWS preferred)
    • DevOps pipelines and Git-based workflows
  • Knowledge of:
    • Networking protocols (SIP, RTP, TCP/IP, DTMF, QoS)
    • NoSQL databases (MongoDB)
    • Container orchestration (Kubernetes), Docker
    • Infrastructure as code (Chef, AWS CDK, Troposphere)
    • Authentication protocols (OAuth2)
  • Familiarity with Agile and SCRUM methodologies
  • Strong communication and collaboration skills, with a demonstrated ability to work across teams and drive results.

Nice to Haves:
  • Experience with FreeSWITCH module development or customization
  • Familiarity with packet analysis tools (e.g., Wireshark)
  • Prior experience with SMS, contact center, or CRM integrations
  • Linux systems administration and scripting with Bash/Python
  • Background in speech analytics, AI-driven call classification, or real-time transcription

Why You Should Join
As one of the top mortgage lenders in the country, Pennymac has helped over 4 million lifetime homeowners achieve and sustain their aspirations of home. Our vision is to be the most trusted partner for home. Together, 4,000 Pennymac team members across the country are guided by our core values: to be Accountable, Reliable and Ethical in all that we do. Pennymac is committed to conducting a business that makes positive contributions and promotes long-term sustainable growth and to fostering an equitable and inclusive environment, where all employees and customers feel valued, respected and supported.
Benefits That Bring It Home: Whether you're looking for flexible benefits for today, setting up short-term goals for tomorrow, or planning for long-term success and retirement, Pennymac's benefits have you covered. Some key benefits include:
  • Comprehensive Medical, Dental, and Vision
  • Paid Time Off Programs including vacation, holidays, illness, and parental leave
  • Wellness Programs, Employee Recognition Programs, and onsite gyms and cafe style dining (select locations)
  • Retirement benefits, life insurance, 401k match, and tuition reimbursement
  • Philanthropy Programs including matching gifts, volunteer grants, charitable grants and corporate sponsorships

To learn more about our benefits visit: https://pennymacnews.page.link/benefits
For residents with state required benefit information, additional information can be found at: https://www.pennymac.com/additional-benefits-information
Compensation: Individual salary may vary based on multiple factors including specific role, geographic location / market data, and skills and experience as defined below:
  • Lower in range - Building skills and experience in the role
  • Mid-range - Experience and skills align with proficiency in the role
  • Higher in range - Experience and skills add value above typical requirements of the role

Some roles may be eligible for performance-based compensation and/or stock-based incentives awarded to employees based on company and individual performance.
Salary
$131,500 - $294,000
Work Model
OFFICE

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