At ZaiNar, we're leveraging patented innovations using software-defined radios and advanced signal processing to build revolutionary new products in Positioning, Navigation, and Timing. Our imaginative team has developed the world's most precise network time synchronization and distribution capabilities – wirelessly syncing to sub-nanosecond accuracy. We're solving leading-edge problems in RF location tracking and network communications. Our initial target market is asset tracking in dynamic industrial environments ($10B+), and the opportunities beyond that are endless. ZaiNar already complies with release 16 of 3GPP standards for 5G, to enable ZaiNar location tracking for any 5G-NR device without hardware changes. ZaiNar is VC-backed by tier 1 funds including Softbank, and has graduated from multiple accelerator programs including StartX, Alchemist, and Plug and Play.

Ensuring a diverse and inclusive workplace, where the best idea wins is, important to us. So, come join a curious, collaborative, and forward-thinking team, where everyone has the freedom to shape their own future, our company's, and the world's – one nanosecond at a time.

At ZaiNar, we're leveraging patented innovations using software-defined radios and advanced signal processing to build revolutionary new products in Positioning, Navigation, and Timing. Our imaginative team has developed the world's most precise network time synchronization and distribution capabilities – wirelessly syncing to sub-nanosecond accuracy. We're solving leading-edge problems in RF location tracking and network communications. Our initial target market is asset tracking in dynamic industrial environments ($10B+), and the opportunities beyond that are endless. ZaiNar already complies with release 16 of 3GPP standards for 5G, to enable ZaiNar location tracking for any 5G-NR device without hardware changes. ZaiNar is VC-backed by tier 1 funds including Softbank, and has graduated from multiple accelerator programs including StartX, Alchemist, and Plug and Play.

Ensuring a diverse and inclusive workplace, where the best idea wins is, important to us. So, come join a curious, collaborative, and forward-thinking team, where everyone has the freedom to shape their own future, our company's, and the world's – one nanosecond at a time.

ZaiNar is seeking brilliant, innovative minds to advance the core algorithms behind our industry-leading positioning platform. As a Principal 5G Location Algorithms Engineer, you will design, implement, and optimize advanced signal processing and location estimation algorithms to determine the real-time position of devices in the physical world. You will play a foundational role in shaping ZaiNar's IP portfolio and future product capabilities, while working closely with cross-functional teams to test, refine, and scale your innovations.

• Define and implement algorithms to extract precise fine-timing and spatial information from noisy 5G signals.
• Identify, document, and prototype improvements to current location estimation techniques and adapt them to new industry standards.
• Contribute novel techniques to ZaiNar's growing patent and intellectual property portfolio.
• Prototype and test signal processing algorithms in MATLAB and Python.
• Collaborate with software developers to facilitate the implementation and integration of signal processing algorithms.

• PhD in Electrical Engineering or Applied Mathematics, or equivalent research experience, with a focus on radiolocation or radionavigation.
• Familiarity with OFDM and Zadoff-Chu sequences.
• Experience with parameter estimation on radio signals.
• Solid understanding of time-based location techniques.
• Demonstrated programming experience in MATLAB and Python.
• Team-oriented mindset with a respectful, collaborative approach suited to a fast-paced startup environment.

• Proficiency with Linux command-line tools and a Linux-based development environment.
• Familiarity with the radio physical layer.

• Demonstrated programming experience in C.
• Experience with cellular networks and radios.
• Experience with cellular network planning, drive testing, and propagation models.
• Experience in signals intelligence (SIGINT), electronic warfare, GPS/GNSS, or radar systems.
• Familiarity with the Erlang programming language.

At ZaiNar, we're leveraging patented innovations using software-defined radios and advanced signal processing to build revolutionary new products in Positioning, Navigation, and Timing. Our imaginative team has developed the world's most precise network time synchronization and distribution capabilities – wirelessly syncing to sub-nanosecond accuracy. We're solving leading-edge problems in RF location tracking and network communications. Our initial target market is asset tracking in dynamic industrial environments ($10B+), and the opportunities beyond that are endless. ZaiNar already complies with release 16 of 3GPP standards for 5G, to enable ZaiNar location tracking for any 5G-NR device without hardware changes. ZaiNar is VC-backed by tier 1 funds including Softbank, and has graduated from multiple accelerator programs including StartX, Alchemist, and Plug and Play.

Ensuring a diverse and inclusive workplace, where the best idea wins is, important to us. So, come join a curious, collaborative, and forward-thinking team, where everyone has the freedom to shape their own future, our company's, and the world's – one nanosecond at a time.

As a Senior DevOps Engineer at ZaiNar, you will play a critical role in building, monitoring, and scaling our cloud infrastructure for SaaS deployments. You will design and optimize CI/CD pipelines, implement automated quality gates, and ensure robust observability for reliable deployments. This role requires hands-on expertise with AWS services, Terraform, and serverless architectures, as well as close collaboration with engineering teams to resolve production issues quickly. You will be instrumental in driving infrastructure resilience, security, and efficiency in a fast-paced, collaborative startup environment—while influencing DevOps strategies across the company.

• Build and maintain scalable CI/CD pipelines (GitHub Actions, GitLab CI, or similar).
• Manage and optimize AWS infrastructure (EC2, S3, IAM, and related services).
• Develop Python scripts and tools to automate and streamline workflows.
• Implement and maintain monitoring/alerting systems using CloudWatch, Prometheus, Grafana, and New Relic.
• Analyze logs and metrics for proactive troubleshooting and performance tuning.
• Serve as the go-to IT resource for networking, workstation setups, and access issues.
• Partner with engineers to continuously improve build, test, and deployment pipelines.
• Keep Linux servers healthy, secure, and optimized for performance.
• Support customer demos by ensuring environments, systems, and networks are stable and reliable.
• Document processes and share knowledge across the team.
• Provide support that enables engineers to stay productive and focused.

• Strong Linux expertise with proficiency on the command line.
• Proven Python scripting and automation experience.
• Hands-on experience with AWS services (EC2, S3, IAM, etc.).
• Proficiency with GitHub or GitLab for version control and CI/CD.
• Experience with monitoring and observability tools (CloudWatch, Prometheus, Grafana, New Relic).
• Strong troubleshooting skills with a customer service mindset—able to solve problems effectively under pressure.

• Familiarity with containerization and orchestration tools (Docker, Kubernetes).
• SaltStack or other configuration management experience.
• General IT, networking, and security knowledge.
• Interest or experience in robotics (ROS, hardware integration).
• Ability to provide technical training and support to team members.

• Experience working in hybrid DevOps/IT roles at high-growth startups.
• Exposure to infrastructure-as-code best practices using Terraform in production.
• Background supporting serverless architectures or edge deployments.
• Previous experience supporting customer-facing demos or enterprise deployments.

At ZaiNar, we're leveraging patented innovations using software-defined radios and advanced signal processing to build revolutionary new products in Positioning, Navigation, and Timing. Our imaginative team has developed the world's most precise network time synchronization and distribution capabilities – wirelessly syncing to sub-nanosecond accuracy. We're solving leading-edge problems in RF location tracking and network communications. Our initial target market is asset tracking in dynamic industrial environments ($10B+), and the opportunities beyond that are endless. ZaiNar already complies with release 16 of 3GPP standards for 5G, to enable ZaiNar location tracking for any 5G-NR device without hardware changes. ZaiNar is VC-backed by tier 1 funds including Softbank, and has graduated from multiple accelerator programs including StartX, Alchemist, and Plug and Play.

Ensuring a diverse and inclusive workplace, where the best idea wins is, important to us. So, come join a curious, collaborative, and forward-thinking team, where everyone has the freedom to shape their own future, our company's, and the world's – one nanosecond at a time.

As a Software Development Engineer in Test (SDET) at ZaiNar, you will be a key player in ensuring the quality and reliability of our innovative IoT and 3D positioning solutions. Working closely with engineering teams, you'll design robust automation frameworks, perform comprehensive manual and performance testing, and implement scalable test data solutions. Your role will involve agile collaboration, real-time debugging, and proactive communication, all within a fast-paced, growth-focused startup environment. Join us to set new standards in QA automation and drive the delivery of high-performance technology.

• Independently design and deliver QA automation solutions within an Agile framework, including sprint planning and backlog prioritization.
• Collaborate with engineering teams to provide timely updates, communicate blockers, and share accurate information on project status.
• Define and uphold testing standards, ensuring essential procedures are followed and best practices are implemented.
• Develop and implement scalable automation solutions to capture, organize, and maintain real-time test data for validation, tracking, and performance monitoring.
• Perform manual testing to ensure comprehensive test coverage and identify edge cases outside the automation scope.
• Conduct performance testing to validate system scalability and responsiveness.
• Perform mobile testing to validate application behavior across a range of mobile devices.

• Extensive hands-on experience with automation testing, including developing and executing automated test scripts using tools such as Selenium, Pytest, Appium, and Playwright.
• Development experience with Python for creating test automation frameworks and scripts.
• Strong technical expertise in Cascading Style Sheets (CSS) Selectors and Xpath.
• Experience in scripting for log capture and analysis using browser developer tools.
• Familiarity with test case management and planning software, such as Testrail, Zephyr, or TestLink.
• Hands-on experience integrating test automation with CI/CD pipelines like GitHub, Git Lab, or Jenkins.
• Ability to self-manage complex issues and drive business goals forward within a startup environment.
• Effective interpersonal skills and the ability to appreciate diverse work disciplines in a collaborative setting.
• Strong communication skills in English, with the ability to advocate ideas and accept feedback constructively.
• Flexibility to work in US Pacific Time Zone hours, with occasional testing coverage extending into Asia Time Zones.

• Proficiency with AWS Console logs to monitor, diagnose, and resolve issues.
• Knowledge of statistical methods to evaluate release quality and track performance metrics.
• Strong experience in Agile development, with the ability to participate effectively in iterative sprints.

• Bachelor's degree in Computer Science or a related field.
• Experience with Test-Driven Development (TDD) or Behavior-Driven Development (BDD).
• Development experience with Java for broader scripting versatility.
• Experience with Postman for API testing and validation.
• Familiarity with mobile application deployment, including code signing with tools such as FastLane, GitHub Actions, or TestFlight.
• Database automation experience for streamlining data validation and management.
• Previous technical leadership or management experience, particularly in guiding QA processes and standards.