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Signal Intelligence Jobs in California (NOW HIRING)

Hark

Signal Integrity

San Jose, CA · On-site

$120K - $300K/yr

We're pairing that intelligence with next-generation hardware to create a universal interface ... About the Role We're looking for a Signal Integrity Engineer to join our hardware team and help ...

Hark

Signal Integrity

San Jose, CA · On-site

$120K - $300K/yr

We're pairing that intelligence with next-generation hardware to create a universal interface ... About the Role We're looking for a Signal Integrity Engineer to join our hardware team and help ...

OpenAI

Signal Integrity Engineer

San Francisco, CA · On-site

$225K - $445K/yr

Lead system signal integrity (SI) design for AI supercomputer product in the data center ... purpose artificial intelligence benefits all of humanity. We push the boundaries of the ...

Phase2 Technology

Cryptology Specialist

San Diego, CA · On-site

$78 - $176/hr

This is your opportunity to use your expertise in signals intelligence (SIGINT) and have a global impact. You will leverage subject matter expertise in technical, operational, and data and systems ...

Jobtailor

Director, Business Intelligence

San Francisco, CA · On-site

$120 - $170/hr

Establish an intelligence framework integrating market data, licensee data, financial outcomes, patent assets, and external signals to enable informed decision‑making * Lead the aggregation and ...

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Showing results 21-40

All JobsSignal Intelligence JobsSignal Intelligence Jobs in California

Signal Intelligence information

See California salary details

$24.4K

$104.5K

$147.8K

How much do signal intelligence jobs pay per year?

As of Aug 22, 2026, the average yearly pay for signal intelligence in California is $104,530.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,100.00 and $123,400.00 per year, depending on experience, location, and employer.

What is signal intelligence?

Signal intelligence, often abbreviated as SIGINT, is the process of collecting and analyzing electronic signals and communications from various sources to gather valuable information. This field plays a crucial role in national security, military operations, and intelligence agencies by intercepting radio, satellite, and other forms of electronic communications. Professionals in this area use specialized technology and methods to detect, interpret, and report on these signals to help inform strategic decisions. SIGINT can provide insights into the intentions, capabilities, and activities of potential adversaries.

What are the key skills and qualifications needed to thrive as a signal intelligence specialist?

To thrive as a Signal Intelligence specialist, you need strong analytical skills, attention to detail, and a background in electronics or computer science, often supported by military training or a relevant degree. Proficiency with signal analysis software, radio frequency (RF) systems, cryptographic tools, and sometimes certifications like CompTIA Security+ are commonly required. Exceptional problem-solving abilities, discretion, and effective communication are critical soft skills in this sensitive field. These competencies are essential for accurately interpreting complex data, ensuring security, and supporting critical decision-making in intelligence operations.

What are some common challenges faced by professionals working in signal intelligence roles?

Signal Intelligence professionals often encounter challenges related to rapidly evolving technology and encryption methods used by adversaries. Staying current with advancements in signal interception, analysis tools, and cybersecurity is essential to remain effective. Additionally, the role frequently requires collaboration across multidisciplinary teams, balancing strict confidentiality with the need to share insights for broader mission success. Adapting to high-pressure situations and extended hours during critical operations is also common in this field.

What is the difference between Signal Intelligence vs Communications Analyst?

AspectSignal IntelligenceCommunications Analyst
Required CredentialsSecurity clearances, military or government intelligence trainingDegree in communications, IT, or related field; certifications vary
Work EnvironmentIntelligence agencies, military, government facilitiesCorporate, government, or military settings focusing on communication systems
Employer & Industry UsagePrimarily government and defense sectorsPublic and private sector organizations, including defense and corporate sectors
Common Search & Comparison IntentUnderstanding intelligence gathering methodsAnalyzing communication systems and data

Signal Intelligence involves collecting and analyzing intercepted signals for intelligence purposes, often within government or military contexts. Communications Analysts focus on managing, analyzing, and improving communication systems in various organizations. While both roles require technical knowledge, Signal Intelligence emphasizes intelligence gathering, whereas Communications Analysts concentrate on communication infrastructure and data analysis.

How to get into signal intelligence?

To enter signal intelligence, candidates typically need a background in fields like cybersecurity, computer science, or electrical engineering, along with strong analytical skills. Security clearances are often required, and proficiency with communication protocols, encryption, and intelligence tools is beneficial. Relevant certifications and experience in military or government agencies can also improve prospects.

What does a signal intelligence specialist do?

A signal intelligence specialist analyzes electronic signals and communications to gather intelligence and support national security. They use specialized tools and techniques to intercept, decrypt, and interpret data, often working in secure environments and requiring knowledge of cryptography and communications systems.

What are popular job titles related to Signal Intelligence jobs in California?

For Signal Intelligence jobs in California, the most frequently searched job titles are:

What job categories do people searching Signal Intelligence jobs in California look for?

The top searched job categories for Signal Intelligence jobs in California are:

What cities in California are hiring for Signal Intelligence jobs?

Cities in California with the most Signal Intelligence job openings:

Signal Intelligence jobs near you
Infographic showing various Signal Intelligence job openings in California as of August 2026, with employment types broken down into 92% Full Time, 6% Part Time, and 2% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $104,530 per year, or $50.3 per hour.

Signal Integrity

Hark

San Jose, CA • On-site

$120K - $300K/yr

Full-time

Re-posted 7 days ago

Job description

About Hark
Hark is an artificial intelligence company building advanced, personalized intelligence. One that is proactive, multimodal, and capable of interacting with the world through speech, text, vision, and persistent memory.
We're pairing that intelligence with next-generation hardware to create a universal interface between humans and machines. While today's AI largely operates through chat boxes and decade-old devices, Hark is focused on what comes next: agentic systems that interact naturally with people and the real world.
To get there, we're developing multimodal models and next-generation AI hardware together - designed from the ground up as a single, unified interface for a new era of intelligent systems.
About the Role
We're looking for a Signal Integrity Engineer to join our hardware team and help ensure our AI-powered devices perform flawlessly at the electrical level. In this role, you'll own SI analysis across high-speed interfaces - DDR, PCIe, USB, MIPI - and work closely with our PCB layout, ASIC, and mechanical design teams to solve the unique challenges that come with packing serious compute into compact, thermally constrained form factors. You'll run simulations, validate designs in the lab, and feed findings back into our design rules as we scale from prototypes to volume production.
Responsibilities
  • SI Analysis: Perform pre-layout and post-layout signal integrity simulations for high-speed interfaces (DDR4/5, PCIe Gen3/4, USB 3.x, MIPI CSI/DSI).
  • PI Analysis: Model and optimize power distribution networks (PDN), including decoupling strategies, plane resonance, and target impedance.
  • Channel Modeling: Build channel models for SerDes links, run eye diagram analysis, and validate compliance margins.
  • PCB Stackup: Define PCB stackup, impedance profiles, and routing constraints in collaboration with layout engineers.
  • Lab Validation: Conduct bench-level measurements using oscilloscopes, VNAs, TDR, and spectrum analyzers to correlate simulation with hardware.
  • EMI/EMC: Identify and mitigate electromagnetic interference issues at the board and system level, supporting regulatory certification.
  • Design Rules: Develop and maintain SI/PI design guidelines and constraint sets for the hardware team.

Requirements
  • Education: BS/MS in Electrical Engineering with a focus on electromagnetics, RF, or signal integrity.
  • Tool Proficiency: Hands-on experience with SI/PI tools such as Ansys HFSS, Keysight ADS/PathWave, Cadence Sigrity, or Simbeor.
  • High-Speed Interfaces: Deep working knowledge of DDR, PCIe, USB, and/or MIPI signaling standards and compliance testing.
  • Lab Skills: Expert-level skills with high-bandwidth oscilloscopes, VNAs, TDR equipment, and near-field EMI probes.
  • PCB Knowledge: Strong understanding of multi-layer PCB fabrication, materials (Dk/Df), and controlled-impedance routing.

Bonus Qualifications
  • Experience with LPDDR5 or high-speed memory interfaces on mobile/edge compute platforms.
  • Background in RFIC or antenna design for Wi-Fi, Bluetooth, or UWB systems.
  • Familiarity with 3D electromagnetic solvers for package-level or connector modeling.
  • Experience supporting EMC certification (FCC, CE, VCCI) from design through test.

Compensation
The US base salary range for this full-time position is between $120,000 - $300,000 annually.
The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience. The total compensation package may also include additional components/benefits depending on the specific role. This information will be shared if an employment offer is extended.

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