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Sr Rf Engineer Jobs in Illinois (NOW HIRING)

Komatsu

Sr. SAP Developer

Chicago, IL · On-site

$140K/yr

Apply now Sr. SAP Developer Posting Start Date: 1/23/26 Job Location (Short): Chicago, Illinois ... Develop RF applications for SAP EWM to improve warehouse and logistics operations. * Customize SAP ...

Komatsu

Sr. SAP Developer

Chicago, IL · On-site

$140K/yr

Sr. SAP Developer Posting Start Date: 1/23/26 Job Location (Short): Chicago, Illinois, USA, 60631 ... This role requires a strong foundation in HANA database development, RF framework, SAP Screen ...

Komatsu North America

Sr. SAP Developer

Chicago, IL · On-site

Senior Sap Developer Join Komatsu and be part of something big! We are seeking a senior SAP ... RF applications for SAP EWM to improve warehouse and logistics operations, customizing SAP Screen ...

Sapeare Technologies

SAP Analyst - WM/RF

Joliet, IL · On-site

Senior level Engineering Analyst who can mentor global team, conduct analysis, evaluation ... SAP WM / RF expertise in the following areas: * Warehouse Management with RF, Transfer order ...

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Showing results 1-20

All JobsSr Rf Engineer JobsSr Rf Engineer Jobs in Illinois

Sr Rf Engineer information

See Illinois salary details

$35.9K

$114K

$177.3K

How much do sr rf engineer jobs pay per year?

As of Jul 1, 2026, the average yearly pay for sr rf engineer in Illinois is $114,035.00, according to ZipRecruiter salary data. Most workers in this role earn between $94,500.00 and $134,700.00 per year, depending on experience, location, and employer.

What are Sr RF Engineers?

Sr RF Engineers, or Senior Radio Frequency Engineers, are professionals who design, implement, and optimize wireless communication systems. They work with radio frequency signals and components to ensure reliable transmission and reception for applications such as cellular networks, satellite communications, and wireless devices. Their responsibilities often include system design, troubleshooting, network optimization, and compliance with regulatory standards. Sr RF Engineers typically have extensive experience and may lead teams or mentor junior engineers. They play a crucial role in advancing wireless technology and maintaining high-quality communications infrastructure.

What are the key skills and qualifications needed to thrive as a Sr RF Engineer, and why are they important?

To thrive as a Sr RF Engineer, you need deep expertise in radio frequency engineering, signal processing, and wireless communication systems, usually supported by a degree in electrical engineering or a related field. Familiarity with RF simulation tools (such as CST, HFSS, or ADS), network analyzers, and relevant certifications like FCC or IEEE are typically required. Strong problem-solving skills, attention to detail, and effective collaboration set standout professionals apart in this role. These skills ensure reliable RF system performance, compliance with technical standards, and successful project delivery in dynamic technology environments.

What are some typical challenges Sr RF Engineers face when managing large-scale wireless network deployments?

Sr RF Engineers often encounter challenges such as mitigating signal interference, ensuring optimal coverage in complex environments, and adapting designs to evolving regulatory standards. Managing multiple project timelines and coordinating with cross-functional teams—like network planners, field technicians, and software specialists—are also common aspects of the role. Effective problem-solving, strong communication, and staying current with RF technologies are essential to successfully overcoming these challenges.

What is the difference between Sr Rf Engineer vs RF Engineer?

AspectSr Rf EngineerRF Engineer
CredentialsBachelor's or Master's in Electrical Engineering, certifications like FCC or RF-specific coursesBachelor's in Electrical or Electronics Engineering, similar certifications often required
Work EnvironmentDesign, testing, and troubleshooting RF systems in labs or fieldSimilar environments, focusing on RF system implementation and testing
Industry UsageTelecommunications, aerospace, defense, wireless networksTelecommunications, consumer electronics, wireless communication
Role FocusAdvanced RF design, system optimization, technical leadershipRF system setup, testing, and basic troubleshooting

The main difference between a Sr Rf Engineer and an RF Engineer lies in experience and responsibilities. Sr Rf Engineers typically handle advanced design and optimization tasks, often leading projects, while RF Engineers focus on implementation and testing. Both roles require similar educational backgrounds and certifications, but the senior role involves more strategic and technical leadership in RF projects.

What are popular job titles related to Sr Rf Engineer jobs in Illinois? For Sr Rf Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Sr Rf Engineer jobs in Illinois look for? The top searched job categories for Sr Rf Engineer jobs in Illinois are:
What cities in Illinois are hiring for Sr Rf Engineer jobs? Cities in Illinois with the most Sr Rf Engineer job openings:
Sr Rf Engineer jobs near you
Infographic showing various Sr Rf Engineer job openings in Illinois as of June 2026, with employment types broken down into 77% Full Time, 19% Part Time, and 4% Nights. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $114,035 per year, or $54.8 per hour.
Sr. Principal Systems Engineer

Sr. Principal Systems Engineer

Northrop Grumman Corporation

Rolling Meadows, IL • On-site

$135K - $203K/yr

Full-time

Medical, Life, PTO

Posted 9 days ago

Northrop Grumman rating

8.1

Company rating: 8.1 out of 10

Based on 346 frontline employees who took The Breakroom Quiz

110th of 527 rated manufacturers

Job description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SAPTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Mission Systems (NGMS) seeks to fill a Sr. Principal Systems Engineer position in the Mission Modeling Department at our Rolling Meadows, Illinois location. This role encompasses team leadership, management, and technical performance. Department assignments will be made at the conclusion of the interview process and be based on the candidate's fit and preference.


NGMS is a leading global provider, manufacturer and integrator of advanced, secure and agile software-defined systems and solutions. Our products range from advanced sensing technologies to state-of-the-art targeting and tracking systems that are deployed in Electro-Optical Infrared (EOIR) tracking and counter measures and Radio Frequency Electronic Warfare (RFEW) systems. Our SEIT organization provides complex avionics systems in Targeting, EOIR, and RF technology areas.

In the Mission Modeling department, you will develop, integrate, test and analyze complex virtual representations of systems and environments. Responsibilities may include development of simulation code and scripts, design of system models, documentation of model assumptions and performance, test automation, test reports, and execution of integration test activities in virtual environments and/or System Integration Labs (SILs) or offsite locations. You will also perform mission level operational analysis utilizing System of Systems modeling and agent-based simulation. You'll be able to apply your knowledge and experience in EOIR systems, optics, RF systems, algorithms, detection and tracking.


This position will be full-time, on-site at our Rolling Meadows, IL location.

This position is contingent upon Funding/Contract award, special access programs and acquiring and maintaining the necessary US Government security clearance per customers' requirements prior to start.

Basic Qualifications for Sr. Principal Systems Engineer:

  • Bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) field with 8 years of related experience; OR a Master's degree in a STEM field with 6 years of related experience; OR PhD in a STEM field with 4 years of related experience.
  • Demonstrated proficiency in analytical thinking, problem solving skills and Systems thinking mindset
  • Knowledge of and experience in model-based systems engineering concepts such as SysML and tools such as Cameo and Rhapsody
  • Knowledge of and experience in MATLAB, C, C++, CUDA, VHDL, OpenCL, SysML, Python, or other scripting languages
  • Ability to work and lead engineers in an integrated product team (IPT) environment
  • Must have ability to obtain Interim Secret clearance prior to start-date and ability to obtain and maintain full Secret Clearance once started
  • US Citizenship required.

Preferred Qualifications for Sr. Principal Systems Engineer:

  • Experience with real-time signal processing in both firmware and software
  • Agile development experience
  • Experience with virtual environments, operational analysis or mission modeling (AFSIM, STK, BRAWLER, ATCOM, ONESAF)
  • Experience in Electronic Warfare
  • Experience in an abstract modeling environment (Rhapsody, Cameo, UML etc) for complex electronic systems evaluation
  • Experience performing system verification and validation
  • Working knowledge of EOIR systems, optics, RF systems, algorithms, detection and/or tracking
  • Proficiency in MATLAB, C, C++, CUDA, VHDL, OpenCL, SysML, Python, or other scripting languages
  • Working knowledge of DOORS and ClearCase/ClearQuest
  • Experience in an integration and test environment for complex electronic systems evaluation
  • Experience in development and earned value management of cost accounts and schedules as related to Systems Engineering tasks
  • Active Secret or Top-Secret Clearance
Primary Level Salary Range: $135,800.00 - $203,600.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939

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