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Assistant Signalman Jobs in California (NOW HIRING)

Nokia

Signal Integrity Design Engineer

Sunnyvale, CA · On-site

$196K/yr

Provide signal integrity guidance to Digital Hardware Designers, utilizing both simulated and empirical results. * Assist in the design of PCB test boards to validate and corroborate simulations.

Nokia

Signal Integrity Design Engineer

Sunnyvale, CA · On-site

$120K - $170K/yr

Provide signal integrity guidance to Digital Hardware Designers, utilizing both simulated and empirical results. * Assist in the design of PCB test boards to validate and corroborate simulations.

Amphenol TCS

Signal Integrity Engineer

Santa Clara, CA · On-site

$80K - $214K/yr

Signal Integrity Engineer Location: Santa Clara, CA Amphenol Cable Backplane System group is the ... Develop integration and test strategies in support of new product introduction. * Assist with ...

Apple

Mixed-Signal IC Design Engineer

Cupertino, CA · On-site

Create integration guides and user documents, and generally assist with challenges in successfully ... signal circuits and sub-systems for sensing and measurement. Such experience within digital ...

Booz Allen Hamilton

Software Signals Engineer

El Segundo, CA · On-site

$69.40 - $158/hr

## Software Signals EngineerApplylocations: El Segundo, CA: McLean, VAtime type: Full timeposted on ... As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with ...

Herzog

Superintendent of Signals

Menlo Park, CA · On-site

$135K - $150K/yr

Be able to respond to signal related trouble calls as needed, including nights, weekends and ... Ability to address any safety-related issue to verify a safe work environment. * Assist with ...

Herzog

Superintendent of Signals

Menlo Park, CA · On-site

$135K - $150K/yr

Be able to respond to signal related trouble calls as needed, including nights, weekends and ... Ability to address any safety-related issue to verify a safe work environment. * Assist with ...

HHM Facility Management

$19 - $20/hr

Direct traffic safely using hand signals, flags, or stop/slow paddles. * Monitor traffic flow and ... * Assist telecom construction crews with basic tasks when traffic is light (e.g., carrying ...

ASPIRE COMMUNICATIONS LLC

Direct traffic safely using hand signals, flags, or stop/slow paddles. * Monitor traffic flow and ... * Assist telecom construction crews with basic tasks when traffic is light (e.g., carrying ...

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All JobsSignalman JobsAssistant Signalman JobsAssistant Signalman Jobs in California

Assistant Signalman information

What is an assistant signalman?

Assistant Signalmen are railway workers who support the safe and efficient movement of trains by assisting in the operation and maintenance of railway signaling systems. Their duties typically include monitoring signals, helping with signal equipment repairs, and communicating with train drivers and other railway staff to ensure smooth rail traffic. They play a crucial role in preventing accidents and delays by ensuring that signals are functioning correctly and are set according to train schedules. Assistant Signalmen often work under the supervision of a qualified Signalman and may also be involved in record keeping and reporting signal faults.

What are the key skills and qualifications needed to thrive as an assistant signalman?

To thrive as an Assistant Signalman, you need a strong understanding of railway signaling principles, safety protocols, and typically a high school diploma or equivalent. Familiarity with signaling control systems, communication equipment, and sometimes railway-specific certifications are often required. Attention to detail, situational awareness, and effective teamwork are crucial soft skills for this role. These skills and qualifications are vital to ensure safe and efficient train operations, minimizing risks and maintaining smooth railway traffic flow.

What are some common challenges faced by an assistant signalman and how can they be managed?

Assistant Signalmen often work in dynamic railway environments where maintaining focus and accuracy is crucial, especially during peak hours or when unexpected issues arise. One common challenge is coordinating with multiple team members, such as signal operators and maintenance crews, to ensure safe train movements. To manage these challenges, it's important to develop strong communication skills, remain vigilant under pressure, and stay up-to-date with safety protocols and technological changes within signaling systems. Proactive problem-solving and being adaptable can also help in handling unpredictable situations effectively.

What is the difference between Assistant Signalman vs Signalman?

AspectAssistant SignalmanSignalman
CertificationsTypically requires basic railway safety and signaling certificationsRequires similar signaling certifications, often with additional experience
Work EnvironmentAssists in signaling operations, often under supervision, on railway tracksOperates signaling equipment directly, working on railway tracks and stations
Employer & Industry UsageCommonly employed by rail companies for assisting rolesWorks as a primary signaling operator in railway operations

The Assistant Signalman supports signaling activities and often works under supervision, while the Signalman directly manages signaling equipment and operations. Both roles require similar certifications and work in railway environments, but the Signalman typically has more responsibility and hands-on duties.

How to become an Assistant Signalman?

To become an Assistant Signalman, candidates typically need a high school diploma or equivalent and must complete on-the-job training or an apprenticeship program. Knowledge of railway signals, safety procedures, and communication tools is essential, and some positions may require certification or passing a background check. The role often involves working in a railway environment with shift work and adherence to safety standards.

What are popular job titles related to Assistant Signalman jobs in California?

For Assistant Signalman jobs in California, the most frequently searched job titles are:

What job categories do people searching Assistant Signalman jobs in California look for?

The top searched job categories for Assistant Signalman jobs in California are:

Assistant Signalman jobs near you
Infographic showing various Assistant Signalman job openings in California as of August 2026, with employment types broken down into 60% Full Time, and 40% Part Time. Highlights an 100% In-person job distribution.

Signal Integrity Design Engineer

Nokia

Sunnyvale, CA • On-site

$196K/yr

Full-time

Medical, Dental, Life, Retirement, PTO

Re-posted 15 days ago

Nokia rating

7.9

Company rating: 7.9 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

30th of 99 rated telecommunications companies

Job description

We are seeking a talented Signal Integrity Design Engineer to join our team at Nokia. In this role, you will play a crucial part in simulating and optimizing high-speed PCB channels, ensuring signal integrity for our advanced telecommunications systems. Your expertise will be instrumental in guiding digital hardware designers and contributing to the design of PCB test boards.

Advancing connectivity to secure a brighter world.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we're advancing connectivity to secure a brighter world. 

Learn more about life at Nokia.


Our recruitment process

We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.

If you're interested in this role but don't meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia. 

Some of our benefits in US:
  • Corporate Retirement Savings Plan
  • Health and dental benefits
  • Short-term disability, and long-term disability
  • Life insurance, and AD&D - Company paid 2x base pay
  • Optional or Supplemental life and AD&D insurance (Employee/Spouse/Child)
  • Paid time off for holidays and Vacation
  • Employee Stock Purchase Plan
  • Tuition Assistance Plan
  • Adoption assistance
  • Employee Assistance Program/Work Life Resource Program

The above benefits exclude students.


Disclaimer for US/Canada

Nokia Maintains broad annual base salary ranges for its roles in order to account for variations in knowledge, skills, experience and market conditions, and with consideration to internal peer equity. Check the salary ranges in the job info section for this role.

All North America job posts will post for a minimum of 7 calendar days and up to 180 days or until candidate/s identified.
  • Minimum B.Sc. or B.Eng. in Electrical Engineering or Computer Engineering.
  • 5+ years of experience simulating high-speed SerDes in PCB applications.
  • Expertise in using Ansys HFSS or Dassault CST simulation tools is a must.
  • Hands-on experience with TDR/VNA equipment and oscilloscopes for measurements.
  • Excellent interpersonal and communication skills for effective collaboration.
  • Familiarity with Mentor Hyperlynx, HSpice, and Cadence Allegro is preferred.
  • Knowledge of PAM4 transmitter and receiver technologies, including FIR, CTLE, DFE, and FEC.
  • Understanding of EMC/EMI theoretical aspects and ITU/IEEE/Bellcore standards.
  • Programming/Scripting skills in C, Python, or Matlab are beneficial.
  • A strong passion for signal integrity engineering and a commitment to continuous learning.
  • Simulate ultra high-speed PCB channels (112G+ SerDes rates) with connectors, breakouts, and via structures.
  • Provide signal integrity guidance to Digital Hardware Designers, utilizing both simulated and empirical results.
  • Assist in the design of PCB test boards to validate and corroborate simulations.
  • Collaborate with cross-functional teams to ensure signal integrity requirements are met.
  • Stay updated with industry trends and advancements in signal integrity engineering.
  • Document and present simulation results and recommendations to stakeholders.
  • Support the development and improvement of signal integrity design processes.
  • Participate in design reviews and provide constructive feedback.

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