Salary
$170k – $200k per year
Location
In office (San Mateo)
Seniority
Middle · 3+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Sep 25, 2026.
Overview
Company
Impact
Profile match
Nine Fives LLC is a manufacturer of next-generation RF Test Equipment. Founded in 2025 - Nine Fives specializes in ethernet-enabled variable attenuators, RF switches, and power meters.
Backed by Y Combinator, Space Capital, Anorak Ventures
Nine Fives produces modern radio frequency test equipment and solutions to disrupt the $130B test equipment industry. By combining modern electronics, AI ready test automation, and strategic supply chains, we’re equipping our customers to cut their time to market in half.
About the role:
This is a full time salaried position. Compensation is $170,000 - $200,000/yr + equity & benefits.
As a Founding RF Engineer you will own products from cradle to grave. You will work with our founding team to develop the next generation of electronic test equipment.
Responsibilities:
- Define product requirements and synthesize into schematics
- Perform component selection and BOM optimization
- Schematic design and routing for digital and analog PCBs
- Perform bringup and characterization of prototype PCBAs
- Write and maintain a common embedded linux software stack across products
Basic Qualifications:
- Bachelor's degree in electrical engineering or similar.
- 3+ years experience with Altium, KiCAD, or other industry standard EDA tool sets.
- 2+ years experience performing analysis with ADS or Microwave Office
- 2+ years experience performing analysis with HFSS or CST studio
- 2+ years experience with common RF lab equipment like spectrum analyzers, signal generators, and network analyzers.
Preferred Skills and Experience:
- Masters degree in electrical engineering with a focus on Radio Frequency Hardware design
- Experience designing PCBAs with high speed interfaces such as DDR and/or ethernet
- Experience designing RF PCBAs (LNAs, Power Amplifiers, couplers, feed networks or similar).
- Experience designing medium-complexity switch mode power supplies (buck, buck-boost, flyback).
- Familiarity with common interfaces for networking test equipment (SCPI, VISA, HiSlip, LXI, RESTful API) and basic knowledge of underlying network stack (IP, TCP, UDP, DNS, DHCP).
- 2+ years experience working on embedded Linux based systems (especially buildroot based)
- 2+ years experience with Python, Go, or C/C++ development.
Additional Requirements:
- Some travel may be required
- Role is in-person, 5 days a week.
- Weekend work is neither required nor expected.
Nine Fives is an equal opportunity employer.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,246,430 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Free forever. No card. Under a minute.
Your match
How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.
Recommended for you based on this role
Hardware
Remote, many countries
Similar stack
Same company
San Mateo
In office · 4+ years exp · Bachelor's Degree · Sunnyvale
Python
DevOps
Ubuntu
Linux
Unix
Apply
In office · 5+ years exp · Bachelor's Degree · Sunnyvale
DevOps
CI/CD
Linux
Apply
RTL Design Engineer
1 hour ago
In office · 2+ years exp · Bachelor's Degree · Sunnyvale
Python
SystemVerilog
Perl
AI/ML
Vertex AI
TPU
DevOps
GCP
Apply
Hardware Engineer
2 days ago
$148k – $180k per year · Equity · In office · 8+ years exp · Bachelor's Degree · Santa Clara
Apply
Hardware Engineer- Sustainability
2 days ago
$125k – $145k per year · Equity · In office · 5+ years exp · Bachelor's Degree · Pittsburgh · Wichita
Apply
Remote (EAEU) · Full-Time · Moscow
DevOps
Wi-Fi
Game Dev
Meta Quest SDK
IoT
LoRaWAN
Zigbee
Apply
Sr Lead, SW Eng
17 days ago
≈ $21k – $53k per year (Estimated) · In office · Full-Time · 11+ years exp · Bachelor's Degree · Pune
Python
SQL
Databases
PostgreSQL
Snowflake
Oracle
DevOps
Rest API
Terraform
Azure
CI/CD
Kubernetes
Bitbucket
Azure AKS
Linux
Cybersecurity
DLP
Analytics
ETL/ELT
Collibra
Management
Scrum
Apply
Сетевой инженер/Администратор (Senior)
17 days ago
≈ $32k – $58k per year (Estimated) · In office · Full-Time · Moscow
Python
Bash
DevOps
Zabbix
Grafana
Linux
TCP/IP
DNS
DHCP
VLAN
Cybersecurity
Wireshark
Tcpdump
FortiGate
Apply
Citizen Data Science Specialist
17 days ago
≈ $26k – $70k per year (Estimated) · In office · Bengaluru
Python
SQL
Databases
Databricks
AI/ML
Spark
XGBoost
Scikit-learn
LightGBM
TensorFlow
Pandas
NumPy
PyTorch
LLM Guardrails
Machine Learning
DevOps
GCP
Azure
AWS
Analytics
Tableau
Power BI
Alteryx
Apply
IN-Software Engineer II
17 days ago
In office · Full-Time · 3+ years exp · Noida
JavaScript
TypeScript
SQL
C#
C#
ASP.NET Core
xUnit
AI/ML
AI Agents
Frontend
Angular
React.js
JQuery
DevOps
Rest API
Azure
CI/CD
Git
Bitbucket
Octopus Deploy
GitHub
SOAP
Management
Agile
Scrum
Apply
Senior Data Engineer
17 days ago
≈ $12k – $31k per year (Estimated) · In office · Full-Time · Cairo
Python
SQL
Databases
Apache Kafka
AI/ML
Spark
Flink
DevOps
GCP
Azure
AWS
Apply
Founding Electrical Engineer
22 days ago
$170k – $200k per year · Equity 0.5–2% · In office · Full-Time · 3+ years exp · Bachelor's Degree · San Mateo
Python
C++
DevOps
Rest API
Linux
DNS
DHCP
Chips/EDA
KiCad
Apply
$205k – $265k per year · Equity · In office · 10+ years exp · Bachelor's Degree · San Mateo
AI/ML
AI Agents
Physical AI
Apply
Apply
Apply
$264k – $323k per year · Equity · Hybrid · 6+ years exp · Master's Degree · San Mateo
Python
SQL
Apply
$323k – $374k per year · Equity · Hybrid · 8+ years exp · Master's Degree · San Mateo
Python
SQL
AI/ML
Spark
Recommender Systems
Apply
This is one of many
2,246,430 more open roles from verified company boards, updated every day.

