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Freelance Electrical Estimation Engineer Jobs (NOW HIRING)

Archer

Staff State Estimation Engineer

San Jose, CA · On-site

$175K - $220K/yr

Implement state estimation algorithms, primarily in Simulink, ensuring adherence to modeling ... D. in Aerospace Engineering, Electrical Engineering, Robotics, or a related field * Proficiency in ...

Enterprise Electrical

Senior Estimator

Austin, TX · On-site +1

The ideal candidate will possess a strong background in electrical estimation with a minimum of 10 ... Coordinate with project managers, engineers, and design teams to clarify project requirements.

Enterprise Electrical

Senior Estimator

Austin, TX · On-site

The ideal candidate will possess a strong background in electrical estimation with a minimum of 10 ... Coordinate with project managers, engineers, and design teams to clarify project requirements.

Enterprise Electrical

Senior Estimator

Austin, TX · On-site

$80 - $100/hr

The ideal candidate will possess a strong background in electrical estimation with a minimum of 10 ... Coordinate with project managers, engineers, and design teams to clarify project requirements.

General Motors

Senior State Estimation Engineer

$170K - $261K/yr

As aSenior State Estimation Engineer within the SEAM Embodied AI organization, you will be a senior ... D. in Robotics, Computer Science, Electrical Engineering, ora relatedtechnical field. * 8-10+ years ...

Guarantee Electrical

Electrical Estimator As our Electrical Estimator, you will be a key player in providing accurate ... Understanding of value engineering concept and knowledge of electrical code, building codes and ...

General Motors

$171 - $261/hr

D. in Robotics, Computer Science, Electrical Engineering, or a related technical field.* 8-10+ years of extensive experience developing and deploying advanced state estimation and/or sensor ...

Archer

Staff State Estimation Engineer

San Jose, CA · On-site

$175K - $220K/yr

Implement state estimation algorithms, primarily in Simulink, ensuring adherence to modeling ... D. in Aerospace Engineering, Electrical Engineering, Robotics, or a related field * Proficiency in ...

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Freelance Electrical Estimation Engineer information

See salary details

$40.5K

$86.4K

$142.5K

How much do freelance electrical estimation engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for freelance electrical estimation engineer in the United States is $86,381.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,000.00 and $103,500.00 per year, depending on experience, location, and employer.

What does a freelance electrical estimation engineer do?

A Freelance Electrical Estimation Engineer is responsible for calculating the costs, materials, and labor needed for electrical projects, often for construction or renovation jobs. They review project plans, specifications, and blueprints to determine the scope of work and provide accurate cost estimates to clients or contractors. As freelancers, they may work with multiple clients and projects, offering flexibility and specialized expertise. Their work helps ensure projects are financially feasible and helps prevent cost overruns.

What are the key skills and qualifications needed to thrive as a freelance electrical estimation engineer?

To excel as a Freelance Electrical Estimation Engineer, you need a strong background in electrical engineering principles, project estimation, and cost analysis, usually supported by an engineering degree and relevant field experience. Proficiency with estimation software like Accubid, Bluebeam, or PlanSwift, as well as familiarity with industry codes and standards, is essential. Outstanding attention to detail, time management, and effective communication skills help you deliver accurate bids and collaborate with clients or contractors. These skills ensure precise project costing, competitive proposals, and the ability to win and successfully manage contracts in a competitive market.

What are some common challenges faced by freelance electrical estimation engineers when working with multiple clients simultaneously?

Freelance Electrical Estimation Engineers often juggle projects from several clients at once, which can lead to challenges such as managing overlapping deadlines, coordinating differing client expectations, and ensuring accuracy across various project scopes. Effective time management and clear communication are crucial to avoid errors and maintain client satisfaction. Additionally, freelancers must stay updated on local codes and industry standards for each project, as requirements may vary depending on the client’s location and sector.

What is the difference between Freelance Electrical Estimation Engineer vs Electrical Project Coordinator?

AspectFreelance Electrical Estimation EngineerElectrical Project Coordinator
CredentialsElectrical engineering background, estimation certificationsProject management certifications, electrical knowledge
Work EnvironmentFreelance, client sites, officesConstruction sites, offices, project sites
Employer & IndustryIndependent, consulting firms, contractorsConstruction companies, project management firms

The Freelance Electrical Estimation Engineer primarily focuses on preparing cost estimates for electrical projects, working independently with clients. In contrast, the Electrical Project Coordinator manages project timelines, resources, and communication between teams. While both roles require electrical knowledge, the estimation engineer emphasizes cost analysis, whereas the coordinator handles project execution and coordination.

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Freelance Electrical Estimation Engineer jobs near you
Infographic showing various Freelance Electrical Estimation Engineer job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $86,381 per year, or $41.5 per hour.

Staff State Estimation Engineer

Archer

San Jose, CA • On-site

$175K - $220K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

What you'll do: 

  • Architect and design advanced state estimation algorithms for eVTOL aircraft, ensuring safety while considering performance, robustness, and computational efficiency
  • Implement state estimation algorithms, primarily in Simulink, ensuring adherence to modeling standards and best practices 
  • Integrate state estimation solutions with various hardware components, including air data systems, Inertial Navigation Systems (INS), Global Navigation Satellite Systems (GNSS), and other aviation-grade sensors 
  • Synthesize system requirements used to drive design and ensure cross-functional needs are met 
  • Develop and execute creative verification and validation (V&V) strategies for state estimation algorithms, including simulation, hardware-in-the-loop (HIL) testing, and flight testing 
  • Develop and refine models to simulate sensors in nominal, degraded operation, and failure scenarios 
  • Analyze and interpret data from simulation, lab testing, and flight testing to identify issues and characterize real-world performance 
  • Collaborate with cross-functional teams, including control laws, hardware, software, and test engineers, to solve complex aircraft-level problems and ensure seamless integration 
  • Build tools and processes to maximize engineering capability 

What you need: 

  • 9+ years of experience in the design, implementation, and verification of state estimation algorithms 
  • Master's or Ph.D. in Aerospace Engineering, Electrical Engineering, Robotics, or a related field 
  • Proficiency in Simulink/MATLAB for algorithm development and simulation
  • Experience with sensor fusion from various sources, including INS, GNSS, airspeed sensors, and altimeters 
  • Demonstrated ability to think critically from high-level architecture down to low-level implementation details. 
  • Proven track record of developing effective V&V methodologies 
  • Working level knowledge of ARP4754A, DO-178C, and DO-331 

Bonus Qualifications: 

  • Hands-on experience with flight testing and test plan development 
  • Previous experience with flight control or state estimation systems for aircraft such as eVTOLS, helicopters, or fixed-wing airplanes. 
  • Working knowledge of control algorithms 
  • Experience working with aerospace data buses and communication protocols
  • Experience working with regulation authorities 
  • Experience developing or testing fly-by-wire flight control systems 

Archer is proud to be an Equal Opportunity employer committed to diversity and inclusivity in the workplace. All aspects of employment are decided on the basis of merit, qualifications, and business needs. We do not discriminate based upon race, color, religion, sex, sexual orientation, age, national origin, disability status, protected veteran status, gender identity or any other characteristic protected by federal, state or local laws. For this position we are targeting a base pay between $175,000 - $220,000. Actual compensation offered will be determined by factors such as job-related knowledge, skills, and experience.

Archer is committed to working with and providing reasonable accommodations to job applicants with physical or mental disabilities, and those with sincerely held religious beliefs. Applicants who may require reasonable accommodation for any part of the application or hiring process should provide their name and contact information to Archer's People Team at people@archer.com. Reasonable accommodations will be determined on a case-by-case basis.

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