RF Characterization Engineer

Reposted 3 Days Ago
Be an Early Applicant
Singapore, SGP
In-Office
Mid level
Aerospace • Hardware • Internet of Things • Robotics • Wearables • App development • Automation
Doodle Labs designs and produces industrial-grade wireless networking solutions.
The Role
The RF Characterization Engineer validates and transfers RF hardware prototypes to production, collaborates with cross-functional teams, and conducts rigorous testing and documentation.
Summary Generated by Built In

The Opportunity 

Doodle Labs builds the connectivity backbone of the autonomous systems revolution — resilient wireless mesh networks that let drones, robots, and unmanned platforms operate reliably in the world's most demanding environments. We sit at the intersection of defense, robotics, and next-generation autonomy, powering the machines that are changing how militaries, first responders, and industries operate in the field. Our core purpose is simple: connect anyone and anything, at any time, in any place.

For over 25 years, our team has been at the forefront of mesh networking, partnering with leading defense programs, robotics manufacturers, and system integrators worldwide. The work here doesn't sit in a slide deck — it ends up in the field, in the hands of people for whom failure isn't an option.

 What You’ll Do (Performance Objectives) 

1. Deliver Production‑Ready RF Modules (Primary Objective) 

  • Within the first 4–6 months, study, understand, prepare and test newly developed  products like Radios and Bidirectional Amplifier modules. 
  • Own end‑to‑end RF hardware validation including integrating SW and Mechanical. Prepare SOPs, Conduct environmental tests, planning control or prototype run, collaborate with CAD and mechanical engineers and handover the design and documents to product engineering team (approximately 80% RF / 20% analog), including power supplies, MCU interfaces (UART, SPI, I2C), Ethernet circuitry, and system‑level integration. 
  • Validate and own working prototypes that meet performance specifications and are ready for manufacturing handoff. 

2. Characterize High‑Performance, Flexible, and Compact Radio Modules 

  • Prepare Test plan based on the specifications, work with CAD engineers to design test jigs, Evaluate EVKs, perform design margin tests, Conduct OTA testing, bench level testing and Environmental testing and qualify the product. 

3. Lead Validation, Documentation, and Design Transfer 

  • Plan and execute RF and system‑level testing, verifying performance against specifications and documenting results clearly. 
  • Prepare basic but complete design documentation (schematics, test results, design rationale) suitable for long‑term product support. 
  • Successfully transfer designs to Product Engineering, ensuring smooth ramp into manufacturing without requiring major redesigns. 

4. Drive Technical Rigor and Cross‑Functional Execution 

  • Organize and lead cross functional meetings to align and speed up the development process throughout the project lifecycle, incorporating feedback from RF, PCB, mechanical, and product stakeholders. 
  • Develop and track project plans and milestones, coordinating closely with cross‑functional partners to meet aggressive timelines. 
  • Proactively identify technical risks and tradeoffs, recommending solutions that balance performance, cost, schedule, and manufacturability. 

What Success Looks Like 

  • You deliver a validated RF radio module that meets specifications and can be manufactured without major redesign. 
  • Cross‑functional teams trust your technical judgment and rely on you to move designs forward efficiently. 
  • Product Engineering can take your designs into production with confidence. 

How You’ll Ramp 

  • First 30 days: Learn existing design approaches, tools, and product architecture; evaluate new product requirements and constraints. 
  • By 60 days: Finalize Test jig PCB designs, support prototype builds, and prepare documentation for testing and validation. 
  • By 90 days: Derive a structured testing and validation plan, prepare a proper test setup, test and validate the module and verify against the specification, document and transfer to PE team/ production Team. 

Who You’ll Work With 

  • PCB design engineers and CAD engineers on test jig designs, Redesign of existing modules etc. 
  • Mechanical engineers on enclosure, thermal, and integration constraints. 
  • Product and Product Engineering teams during validation and manufacturing transfer. 
  • Both junior and senior engineers across the design organization. 

Why This Role Is Compelling 

  • Direct ownership of critical RF products that define product performance 
  • Opportunity to solve complex RF challenges under real‑world constraints. 
  • High autonomy and technical influence in a fast‑growing robotics and defense technology company 
  • Exposure to advanced wireless technologies and real production hardware—not just prototypes 

Skills Required

  • Experience in RF hardware validation
  • Familiarity with analog and RF circuitry
  • Ability to prepare test plans and document results
  • Experience with system-level integration
  • Team collaboration skills with mechanical and product engineers

What the Team is Saying

Amol
Jeff Butler
Dominic DeMarco
Nate Lipka
Cory Ramsey
Sean Casey

Doodle Labs Compensation & Benefits Highlights

  • Healthcare Strength Health coverage is described as including medical, dental, and vision plus access to Plus One/One Medical, Teladoc, Talkspace, Health Advocate, and Kindbody, with sponsored gym memberships to support wellbeing.
  • Leave & Time Off Breadth Paid time off combines with observed U.S. federal and bank holidays and a company‑wide shutdown from Christmas through New Year’s to ensure predictable downtime.
  • Retirement Support U.S. roles include a 401(k) with company contributions, added as part of benefit upgrades in 2026.

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The Company
50 Employees
Year Founded: 1999

What We Do

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one of Fast Company's "World's Most Innovative Companies 2024," checking in at no. 2 in the Robotics category. Doodle Labs was founded in 1999 and has offices in the United States and Singapore.

Why Work With Us

We are a fast-growing team working with some of the leading innovators creating the technology of the future. Our radios are being used to advance the development and deployment of robotics in various industries. It's been an exciting past few years and we're eager to bring on like-minded people to help us continue to build this company.

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Doodle Labs Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We are a hybrid team- our employees not in state are remote while our local Los Angeles natives are in office 5 days per week.

Typical time on-site: 5 days a week
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Los Angeles, CA
Company Office Image
Singapore Office
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