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Rantec Power Systems Inc.

Manufactures military and aviation power supplies

Software Engineer

Full-TimeUpdated on 10/26/2026
$96k - $151k/yr
Senior
Bachelor's
Baywood-Los Osos, CA, USA
In PersonOn-site work in an office and factory environment.
Software EngineeringEmbedded Engineering
No H1B Sponsorship

About the job

Requirements
  • A bachelor's degree in Computer Science or Electrical Engineering, or a similar field.
  • Five years of related experience is preferred.
  • Experience with C and assembly programming.
  • A strong understanding of real-time embedded systems and low-level firmware.
  • Experience with 8-bit and 16-bit embedded programming.
  • Experience with Atmel and Texas Instruments microcontroller families is preferred.
  • Experience with electronics laboratory equipment, especially protocol analyzers.
  • Experience reading electrical schematics.
  • Experience with Windows and Linux.
  • Exposure to aerospace domain standards such as DO-178B/C is preferred.
  • Understanding of Software Configuration Management practices and tools; git is preferred.
  • Experience with Microsoft Office applications, including Word, Excel, PowerPoint, and Outlook.
  • Sound reasoning skills in risk assessment and failure analysis.
  • A strong understanding and working knowledge of root cause analysis techniques and effective corrective action.
  • Ability to work flexible hours and/or different shifts, if needed.
  • Ability to work safely and professionally while adhering to regulatory requirements, including OSHA, EPA, and state and federal regulations.
  • Employment is contingent on compliance with ITAR regulations and successfully obtaining and maintaining the necessary export authorization license. Access is restricted to U.S. citizens, lawful permanent residents of the U.S., and properly licensed foreign persons.
  • Ability to meet the physical demands of working in an office and factory environment, including moving between sitting, standing, and walking; frequently handling items under 10 pounds and occasionally lifting up to 25 pounds; occasionally using stairs; and having the vision abilities needed for hand soldering and wiring assemblies.
Responsibilities
  • Develop embedded software products for power supply control using modern software design principles and resolve technical challenges.
  • Test software integration on development hardware.
  • Perform detailed software design activities, present at design reviews, and provide technical assessments of software used on development programs.
  • Develop tests to verify software performance.
  • Troubleshoot and resolve software challenges.
  • Document developed code and tools used to support projects.
  • Participate in research, design, development, and testing of software and tools, including developing new work products or enhancing existing applications, systems, or embedded products.
  • Read and design digital circuits using computer-aided design tools.
  • Participate in internal reviews of software components and systems.
  • Provide technical write-ups for proposals related to software and communication.
  • Evaluate design compliance against requirements.
  • Identify or review risks and opportunities associated with design concepts and customer requirements.
  • Support Marketing on technical issues as required and travel when needed.
  • Analyze legacy designs and provide hands-on support for troubleshooting production hardware and customer-returned hardware.
  • Work with the Test team to maintain and update the automated test environment.
  • Support development of tools for the production environment.
  • Collaborate with project leaders and other professionals in Engineering.
  • Support the definition of project scope, schedule, and expectations.
  • Follow standard practices and procedures when analyzing situations or data from which answers can be readily obtained.
  • Arrive at work on time and work each scheduled day.
  • Perform other duties as assigned.
Desired Qualifications
  • Experience with Atmel and Texas Instruments microcontroller families.
  • Exposure to aerospace domain standards such as DO-178B/C.
  • Understanding of Software Configuration Management practices and tools, with git preferred.

About the company

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Rantec Power Systems Inc.

View

Rantec Power Systems designs and manufactures power supplies and power conversion equipment for military and aerospace applications. Its products regulate and deliver electrical power within equipment that must operate reliably under demanding environmental conditions. The company combines engineering with production and testing, supplying defense contractors and aviation customers with custom systems and established product lines. Revenue comes from power supply sales and associated engineering work, with support extending from product development into production and continued service. The power-supply business traces its roots to 1971 and is headquartered in Los Osos, California.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

N/A

Founded

1971

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Simplify's Take

What believers are saying

  • Rantec advertises a 401(k) employer match of up to 6%, supporting employees' retirement contributions.
  • Rantec's Electrical Engineer role in Los Osos is full-time, following a 9/80 schedule with every other Friday off.
  • Second-shift assemblers at Rantec's Los Osos site receive training and $21/hour plus $2.25/hour differential; the position is full-time.

What critics are saying

  • Los Osos Rantec second-shift assembly requires 3:30pm to 1am availability, full-time onsite, with no relocation assistance.
  • Rantec requires an electrical-engineering bachelor's degree for its Los Osos Electrical Engineer, offered full-time; five years' analog-design experience preferred.
  • Rantec's full-time Los Osos Area Supervisor requires U.S. citizenship, permanent residency or licensed foreign status, obtaining and maintaining export authorizations.

What makes Rantec Power Systems Inc. unique

  • Rantec belongs to RPS Holdings, a management-founded owner that describes a buy-and-hold approach to electronics businesses.
  • Rantec outsources bare printed circuit boards while controlling power-product engineering and final manufacture, separating supplier risk from internal production.
  • Rantec power supplies serve F-35 aircraft, PATRIOT defense systems and Virginia-class submarines, exposing teams to varied platform requirements.

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