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Freelance Rf Filter Design Engineer Jobs in Simpsonville, SC

Test Technician

Simpsonville, SC · On-site

$29 - $37.40/hr

As a Test Technician, you will be working with the creative and technical forces behind the design ... Working knowledge of RF test equipment and familiarity with a wide variety of test equipment.

Test Technician

Simpsonville, SC · On-site

$24 - $37.40/hr

As a Test Technician, you will be working with the creative and technical forces behind the design ... Working knowledge of RF test equipment and familiarity with a wide variety of test equipment.

... design and development team of new power conversion systems. Your knowledge of processes ... Working knowledge of RF test equipment and familiarity with a wide variety of test equipment.

Showing results 21-28

Freelance Rf Filter Design Engineer information

See Simpsonville, SC salary details

$32.8K

$104.3K

$162.2K

How much do freelance rf filter design engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for freelance rf filter design engineer in Simpsonville, SC is $104,298.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,400.00 and $123,200.00 per year, depending on experience, location, and employer.

What does a freelance RF filter design engineer do?

A Freelance RF Filter Design Engineer specializes in designing, developing, and testing radio frequency (RF) filters that are used to allow or block specific frequency signals in electronic devices. They work independently or on contract to provide custom solutions for clients in telecommunications, aerospace, defense, and consumer electronics. Their role typically involves circuit simulation, schematic design, prototyping, and ensuring that filters meet technical requirements for performance and reliability. Freelance engineers often offer flexibility and specialized expertise for companies needing short-term or project-based RF filter development.

What are the key skills and qualifications needed to thrive as a freelance RF filter design engineer?

To thrive as a Freelance RF Filter Design Engineer, you need a solid background in electrical engineering, strong understanding of RF principles, and experience in filter design, typically supported by a relevant engineering degree. Proficiency with simulation tools like ADS, HFSS, or CST, and familiarity with PCB design software are commonly required, along with knowledge of relevant industry standards. Excellent problem-solving, communication, and time management skills help set candidates apart, especially when working with remote clients or multidisciplinary teams. These capabilities ensure precise, efficient filter designs that meet client specifications and project deadlines in a competitive market.

How do freelance RF filter design engineers typically collaborate with clients and other engineers during a project?

Freelance RF Filter Design Engineers often work remotely, using digital communication tools to collaborate with clients, project managers, and sometimes other engineering specialists. They typically participate in virtual meetings to discuss specifications, share design progress, and address technical challenges. Providing regular updates and detailed documentation is essential, as is being responsive to feedback and design revisions throughout the project. Clear communication and efficient use of simulation and CAD tools help ensure the final filter meets performance and integration requirements.

What is the difference between Freelance Rf Filter Design Engineer vs RF Circuit Design Engineer?

AspectFreelance Rf Filter Design EngineerRF Circuit Design Engineer
CredentialsTypically requires RF engineering certifications, specialized training in filter designRequires RF engineering degrees, certifications, and circuit design expertise
Work EnvironmentIndependent, project-based, often remoteIn-house or consulting, team-based environments
Industry UsageUsed in telecommunications, aerospace, defense for custom filter solutionsApplied across wireless, consumer electronics, and communication systems

While both roles involve RF engineering, a Freelance Rf Filter Design Engineer specializes in designing RF filters independently for various clients, focusing on custom solutions. An RF Circuit Design Engineer has a broader scope, working on various RF circuits within a company or project team. The freelance role offers flexibility and specialization, whereas the RF Circuit Design Engineer typically works within structured teams on diverse RF projects.

What cities near Simpsonville, SC are hiring for Freelance Rf Filter Design Engineer jobs?

Cities near Simpsonville, SC with the most Freelance Rf Filter Design Engineer job openings:

Infographic showing various Freelance Rf Filter Design Engineer job openings in Simpsonville, SC as of August 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $104,298 per year, or $50.1 per hour.

Dewatering Sales Product Specialist

Rain For Rent

Greenville, SC • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 15 days ago


Rain for Rent rating

8.0

Company rating: 8.0 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

67th of 177 rated vehicle equipment hire


Job description

What we do:
Rain for Rent moves water every day. We are the leading provider of temporary liquid handling solutions and are known for our systems engineering expertise, ability to tackle complex jobs cost effectively, and providing high value to organizations with critical liquid management issues.  Our experienced teams, backed by skilled engineers, are continually working to redefine what is expected from a liquids handling provider by developing new equipment and harnessing technology for the most demanding environments.  Our Rain for Rent solutions exceed customers’ expectations for service and quality for their water-handling, irrigation and temporary liquid-storage problems. We strive to effectively and efficiently complete projects safely, on time and the right the first time.

To learn more about us please check out our website here.

Rain for Rent employees are proud to work for this family-owned business. In May of 2024, the company celebrated 90 successful years of business. We are committed to providing consistent, quality products and services to customers across the U.S., Canada and the UK from more than 70 locations. Honesty and integrity are valued at Rain for Rent and employees are committed to exceeding expectations for service and quality to our customers.  

Essential Duties and Responsibilities:

The Dewatering Sales Product Specialist will be responsible for leading the overall revenue of Rain for Rent’s Dewatering products and services in the designated region. The Dewatering Sales Product Specialist will work together with stakeholders to understand market trends, competition and develop new market growth strategies as it relates to dewatering projects in the mining, construction and industrial sectors.

This job description in no way states or implies that these are the only duties to be performed by this employee. He or she will be required to follow any other instructions and to perform any other duties requested by his or her manager.

• Achieve annual sales targets within the region.
• Establishing new and maintaining strong and professional customer client relations; project management of major projects.
• Evaluate, recommend, and implement dewatering applications to suit the customer’s needs.
• Create successful sales and marketing approaches to address needs of each branch within the assigned territory or region

• Proactively work to find, bid, and win new market opportunities within dewatering and water treatment markets.

Understanding of filtration principles, including particle removal, filter media selection (bag, cartridge, settling, sand/carbon, etc.) and system design.

• Strong understanding of job-related regulatory guidelines in the assigned territory.
• Collaborate regularly with Inside Sales teams to generate sales reports, proposals, and quotes.
• Regular consultation with various internal departments and personnel including Engineering/Instrumentation/Contracts to design a scope, solution, and job
specifics for contracts.
• Updates job knowledge by taking part in educational opportunities; trade shows, professional publications and maintain personal networks.
• Make professional presentations, negotiate deals, and obtain signed contracts for
dewatering projects.
• Working with RVP's, RSM's, Branch Managers and sales team through the sales process of any dewatering project. This may include ride along with sales reps,
job walks with customers and any other task associated with the dewatering projects.
• Achieve assigned sales quota, revenue, and gross margin objectives.
• Accurate and prompt entry of all sales activities in Customer Relationship Management (CRM) software.
• Increase market share among end-user customers in assigned territory.
• Acts in accordance with Rain for Rent’s Safety culture and consistently demonstrates adherence to all safety policies and practices.
• Perform all other duties as assigned in support of the operation. 

Education and/or Experience:
• Bachelor’s Degree, preferably in mechanical, civil engineering, hydrology, construction management, or related is required.
• A minimum of three (3) years of Sales Experience in dewatering is required.
• A minimum of three (3) years of project management experience is highly preferred.
• Strong oral and written communication skills.
• Strong interpersonal, customer service and negotiating skills.
• Experience managing multiple projects across different market sectors and
geographic regions simultaneously.

Work Environment:
The work environment characteristics described here are representative of those and
employee encounters while performing the essential functions of this job. At RfR, in-person work at our offices and/or branch location is a top priority because it
allows us to more effectively collaborate, connect, and builds a workplace culture that drives our continued success. This role requires onsite presence at a RfR office and/or branch location. Except for limited circumstances, remote and/or hybrid options are not offered at this time. While performing the duties of this job, the employee is frequently exposed to outside weather conditions. The employee is occasionally exposed to moving mechanical parts and fumes or airborne particles. The noise level in the work environment is usually moderate and can infrequently be loud.

What we offer:

  • Comprehensive employee benefits package, including medical, dental, vision, and a matching 401(k) plan
  • Career advancement through company-sponsored training and development
  • Competitive base salary
  • Nine paid holidays and a comprehensive paid time off program
  • Tuition reimbursement benefits
  •  And so much more

Rain for Rent is also proud to support our veterans and has earned the 2025 Military Friendly® Employer (MFE) Gold designation. When you join the Rain for Rent team, you will have the opportunity to make friends in the course of doing good business and can contribute positively to your community. The choice is easy. Join the Rain for Rent team today. 

**Rain for Rent does not accept 3rd party applicants**

Rain for Rent is proud to be an Equal Opportunity and Affirmative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, sex, disability, veteran status, gender identity, and sexual orientation, and other statuses protected by law.

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