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Senior Protocol Engineer Jobs in California (NOW HIRING)

Senior Software Engineer

Cupertino, CA · On-site

$136.50 - $276.50/hr

We are seeking a Senior Software Systems Engineer to join our team in designing, developing ... Working knowledge of L2, L3 networking protocols. * Willingness to explore & contribute to various ...

New

Senior Software Engineer

Irvine, CA

$131K - $173K/yr

Senior Software Engineer Location: Irvine, CA Employment Type: Full-Time/ Hybrid Senior Software ... Integrate and support industrial communication systems and protocols * Optimize network ...

Sr. Display Engineer

Sunnyvale, CA

$122K - $168K/yr

As a Senior Display engineer you will design, characterize, and validate the optical and electrical ... protocols, analyzing results, and troubleshooting issues throughout the product development ...

Senior Software Engineer

Irvine, CA · On-site

$131K - $173K/yr

Senior Software Engineer Location: Irvine, CA Employment Type: Full-Time/ Hybrid Senior Software ... Integrate and support industrial communication systems and protocols * Optimize network ...

Sr. Display Engineer

Sunnyvale, CA

$122K - $168K/yr

As a Senior Display engineer you will design, characterize, and validate the optical and electrical ... protocols, analyzing results, and troubleshooting issues throughout the product development ...

Senior Engineer

Thousand Oaks, CA · On-site

$109K - $150K/yr

The Sr. Engineer will provide technical leadership and subject matter expertise supporting ... Establish testing strategies and develop characterization protocols, offline testing methods, and ...

Senior IAM Engineer

Palo Alto, CA · On-site

$100K - $258K/yr

As a Senior IAM Engineer, you will serve as a key subject matter expert (SME) within the broader ... Architect and deliver end-to-end federation strategies using modern protocols (SAML, OIDC, OAuth 2 ...

Senior IAM Engineer

Palo Alto, CA · On-site

$100 - $258/hr

As a Senior IAM Engineer, you will serve as a key subject matter expert (SME) within the broader ... Architect and deliver end‑to‑end federation strategies using modern protocols (SAML, OIDC ...

New

Senior DV Engineer Location - San Jose, CA, USA Contract :12+ months Experience: 10+ years The ... protocols such as AHB, AXI, PCI Express etc. · Strong in HVL (UVM / SystemVerilog / OVM), C/C ...

New

Senior Quality Engineer I

Aliso Viejo, CA · On-site

$105K - $120K/yr

OVERVIEW: The Senior Quality Engineer I position requires significant learning agility and ... Lead and support validation activities (IQ/OQ/PQ), including protocol development, execution ...

Senior Quality Engineer I

Aliso Viejo, CA · On-site

$105K - $120K/yr

OVERVIEW: The Senior Quality Engineer I position requires significant learning agility and ... Lead and support validation activities (IQ/OQ/PQ), including protocol development, execution ...

Senior Quality Engineer I

Aliso Viejo, CA · On-site

$105K - $120K/yr

OVERVIEW: The Senior Quality Engineer I position requires significant learning agility and ... Lead and support validation activities (IQ/OQ/PQ), including protocol development, execution ...

Showing results 41-60

Senior Protocol Engineer information

How does a senior protocol engineer collaborate with cross-functional teams during the protocol development lifecycle?

As a Senior Protocol Engineer, collaboration with cross-functional teams is essential throughout the protocol development lifecycle. You will work closely with product managers to understand requirements, coordinate with security engineers to ensure protocol robustness, and partner with frontend/backend engineers to support implementation. Regular communication, code reviews, and design discussions are common, as you’ll often serve as a technical lead, guiding architecture decisions and ensuring alignment across teams. This collaborative approach helps ensure the protocol meets both technical and business objectives while maintaining high standards for security and performance.

What does a senior protocol engineer do?

A Senior Protocol Engineer is responsible for designing, implementing, and optimizing communication protocols that enable secure and efficient data exchange over networks or within distributed systems. They work on developing new protocols or improving existing ones, often focusing on areas like blockchain, networking, or cryptography. Their role involves collaborating with cross-functional teams, troubleshooting protocol-related issues, and ensuring that protocols are robust, scalable, and secure. Additionally, they may mentor junior engineers and contribute to open-source projects or standards bodies.

What is the difference between Senior Protocol Engineer vs Network Engineer?

AspectSenior Protocol EngineerNetwork Engineer
CredentialsBachelor's in Computer Science or related, certifications like CCNP, CCIEBachelor's in Computer Science, certifications like CCNA, CCNP
Work EnvironmentDesigning, analyzing, and optimizing network protocols, often in R&D or specialized teamsManaging and maintaining network infrastructure, troubleshooting connectivity issues
Industry UsageTelecommunications, data centers, networking hardware companiesIT departments, service providers, enterprise networks

The Senior Protocol Engineer focuses on developing and optimizing network protocols, requiring deep technical expertise. In contrast, a Network Engineer manages and maintains network infrastructure, ensuring connectivity and performance. Both roles require relevant certifications and work in related environments, but their core responsibilities differ significantly.

What skills and qualifications are needed to be a senior protocol engineer?

To thrive as a Senior Protocol Engineer, you need in-depth knowledge of network protocols, distributed systems, cryptography, and strong programming skills, typically backed by a degree in computer science or a related field. Familiarity with protocol design tools, languages like Rust, Go, or C++, and experience with blockchain frameworks or RFC standards are often required. Excellent problem-solving, communication, and collaboration skills help in leading teams and navigating complex technical challenges. These abilities are crucial for designing secure, efficient protocols and ensuring reliable communication within advanced technology ecosystems.
What are the most commonly searched types of Protocol Engineer jobs in California? The most popular types of Protocol Engineer jobs in California are:
What are popular job titles related to Senior Protocol Engineer jobs in California? For Senior Protocol Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Senior Protocol Engineer jobs in California look for? The top searched job categories for Senior Protocol Engineer jobs in California are:
What cities in California are hiring for Senior Protocol Engineer jobs? Cities in California with the most Senior Protocol Engineer job openings:
Infographic showing various Senior Protocol Engineer job openings in California as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 100% In-person job distribution.

Senior Software Engineer

Hobbsnews

Cupertino, CA • On-site

$136.50 - $276.50/hr

Other

Posted 2 days ago

New


Job description

Job Title

Senior Software Engineer

Job Location

Onsite – HPE office. You are expected to primarily work from an HPE office.

Job Description

We are seeking a Senior Software Systems Engineer to join our team in designing, developing, troubleshooting, and enhancing software for networking products in the Campus & Branch Business Unit. The role focuses on networking systems software development and collaborative problem‑solving. Ideal candidates have strong C/C++ programming skills and experience working on software systems and networking applications. The candidate will work on developing new platforms and solutions while collaborating with product management and architects.

Responsibilities
  • Design and implement software enhancements, updates, and programming changes for subsystems such as operating systems and networking protocols in Junos & Junos Evolved software.
  • Analyze design requirements and carry out coding, testing, and integration activities per project guidelines.
  • Develop and execute portions of testing plans and documentation; identify and debug code issues and recommend improvements.
  • Collaborate with internal and external teams to deliver high‑quality, reliable, and cost‑effective software solutions.
  • Design, develop and maintain software for forwarding ASICs.
  • Communicate progress, design status, and technical issues with project stakeholders.
Requirements
  • Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or related field.
  • 6–10 years of experience in software engineering.
  • Proficiency in C, C++ programming and software systems design tools.
  • Strong analytical, problem‑solving, and communication skills.
  • Knowledge of software systems testing methodologies, including test plan execution, and debugging.
  • Experience designing software systems for different forward ASICs.
  • Working knowledge of L2, L3 networking protocols.
  • Willingness to explore & contribute to various software components to build next‑generation networking solutions.
Desired Skills
  • Embedded Operating Systems & low‑level Software Development.
  • Forwarding ASIC programming for L2/L3/L4 Networking Protocols.
  • Strong networking fundamentals.
What We Can Offer You Health & Wellbeing

We strive to provide our team members and their loved ones with a comprehensive suite of benefits that supports their physical, financial and emotional wellbeing.

Personal & Professional Development

We invest in your career because the better you are, the better we all are. We have specific programs catered to helping you reach any career goals you have — whether you want to become a knowledge expert in your field or apply your skills to another division.

Unconditional Inclusion

We are unconditionally inclusive in the way we work and celebrate individual uniqueness. We value diverse backgrounds and enable flexible work arrangements. We encourage bold moves together and aim to be a force for good.

Salary & Compensation
  • The expected salary/wage range for this position is provided below. Actual offer may vary from this range based upon geographic location, work experience, education/training, and/or skill level.
  • United States of America: Annual Salary USD 136,500 – 276,500 in California.
  • The listed salary range reflects base salary. Variable incentives may also be offered.
Benefits & Perks

Information about employee benefits offered in the US can be found at https://myhperewards.com/main/new-hire-enrollment.html.

EEO Statement

HPE is an Equal Employment Opportunity, Veterans/Disabled/LGBT employer. We do not discriminate on the basis of race, gender, or any other protected category, and all decisions we make are on the basis of qualifications, merit, and business need. Our goal is to be one global team that is representative of our customers, in an inclusive environment where we can continue to innovate and grow together.

Hewlett Packard Enterprise is EEO Protected Veteran/ Individual with Disabilities.

HPE will comply with all applicable laws related to employer use of arrest and conviction records, including laws requiring employers to consider qualified applicants with criminal histories.

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