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Sr. Principal RF Antenna Cosite Engineer

Melbourne, FL

Job Description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the Time Description 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. Our employees are not only part of history, they're making history.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. Our employees are not only part of history, they're making history. 

Northrop Grumman's Aeronautics Systems sector is seeking a Sr. Principal RF Antenna Cosite Engineer to join our team of qualified, diverse individuals in defining the future.  This position will be located in Melbourne, FL.
The successful candidate will contribute to the overall development and integration of RF Subsystems, including analyzing performance, developing and managing requirements and interfaces, and verifying/validating all allocated requirements.
Responsibilities include: 

• Support development and integration of communications and other RF subsystems and components to meet platform mission objectives

• Requirements development, analysis, maturation and implementation translating customer requirements into derived specifications

• Perform Computational Electromagnetic (CEM) antenna analysis for source/victim (co-site) analysis

• Conducting detailed trade studies

• Performing risk analysis and developing mitigation plans and tracking to closure

• Collaborate with engineers and program stakeholders

• Developing and maintaining supplier documentation, performance based specifications, and statements of work

• Technical management of program strategic partners and suppliers, including development, acquisition, acceptance, qualification, system integration and test support

• Review documents from the supplier's development effort and support supplier technical interchange meetings and design reviews

• Identifying/planning/executing informal and formal testing of subsystem requirements in lab, troubleshooting hardware in the lab

• Performing aircraft ground and flight test on subsystems to validate and verify subsystem requirement and sell-off

• Support technical discussions with the customer and having daily interaction with management, external personnel, customers, and various sub teams

Basic Qualifications:
Sr. Principal RF Antenna Cosite Engineer (T04):

• Must have a Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university AND 8 years of related professional/military experience in Engineering; OR a Master's degree in a STEM discipline from an accredited university AND 6 years of related professional/military experience in Engineering; or a Ph.D. AND 4 years of related professional/military experience in Engineering.

• Active Secret DoD Clearance

• Knowledge of electromagnetics in the RF spectrum (VHF through Ka bands)

• Ability to design, select and characterize RF components to meet mission objectives

• Experience in Computational Electromagnetic (CEM) antenna analysis for source/victim (co-site) analysis

• Experience in one or more of the following:

• Designing, integrating, testing, installing, operating LOS and BLOS communication systems in airborne military applications

• Experience with voice, military and network waveforms

• Experience with cryptographic implementations

• Experience with RF antenna and component design and performance analysis

• Demonstrated problem-solving ability and data analysis experience

• Knowledge of system engineering design methods, including requirements analysis and flow-down, specification derivation and interface control documentation

Preferred Qualifications:

• Demonstrated strong verbal and written communication skills and the ability to work well in a close team environment

• Experience engaging directly with internal and external technical and programmatic representatives

• Demonstrated problem solving and troubleshooting skills

• Demonstrated ability to assimilate new concepts quickly and independently and work in a self-directed manner

• Experience in model based systems engineering using Cameo or similar SysML tools

• Experience in performance analysis using MATLAB and Excel or similar tools

• Familiarity with Atlassian collaboration tool set (Jira and Confluence)

• Experience in supplier/subcontract management

• Experience with developing supplier documentation, performance based specifications, and statements of work

• Experience building supplier evaluation criteria and experience in conducting technical evaluations, documenting results and selection

• Ability to review documents from the supplier's development effort and support supplier technical interchange meetings and design review

• Active DoD Top Secret Clearance


Primary Level Salary Range: $118,600.00 - $178,000.00The 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.PDN-a0723bed-de9e-4701-aff7-e527bfea981f
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the Time Description 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. Our employees are not only part of history, they're making history.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. Our employees are not only part of history, they're making history. 

Northrop Grumman's Aeronautics Systems sector is seeking a Sr. Principal RF Antenna Cosite Engineer to join our team of qualified, diverse individuals in defining the future.  This position will be located in Melbourne, FL.
The successful candidate will contribute to the overall development and integration of RF Subsystems, including analyzing performance, developing and managing requirements and interfaces, and verifying/validating all allocated requirements.
Responsibilities include: 

• Support development and integration of communications and other RF subsystems and components to meet platform mission objectives

• Requirements development, analysis, maturation and implementation translating customer requirements into derived specifications

• Perform Computational Electromagnetic (CEM) antenna analysis for source/victim (co-site) analysis

• Conducting detailed trade studies

• Performing risk analysis and developing mitigation plans and tracking to closure

• Collaborate with engineers and program stakeholders

• Developing and maintaining supplier documentation, performance based specifications, and statements of work

• Technical management of program strategic partners and suppliers, including development, acquisition, acceptance, qualification, system integration and test support

• Review documents from the supplier's development effort and support supplier technical interchange meetings and design reviews

• Identifying/planning/executing informal and formal testing of subsystem requirements in lab, troubleshooting hardware in the lab

• Performing aircraft ground and flight test on subsystems to validate and verify subsystem requirement and sell-off

• Support technical discussions with the customer and having daily interaction with management, external personnel, customers, and various sub teams

Basic Qualifications:
Sr. Principal RF Antenna Cosite Engineer (T04):

• Must have a Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university AND 8 years of related professional/military experience in Engineering; OR a Master's degree in a STEM discipline from an accredited university AND 6 years of related professional/military experience in Engineering; or a Ph.D. AND 4 years of related professional/military experience in Engineering.

• Active Secret DoD Clearance

• Knowledge of electromagnetics in the RF spectrum (VHF through Ka bands)

• Ability to design, select and characterize RF components to meet mission objectives

• Experience in Computational Electromagnetic (CEM) antenna analysis for source/victim (co-site) analysis

• Experience in one or more of the following:

• Designing, integrating, testing, installing, operating LOS and BLOS communication systems in airborne military applications

• Experience with voice, military and network waveforms

• Experience with cryptographic implementations

• Experience with RF antenna and component design and performance analysis

• Demonstrated problem-solving ability and data analysis experience

• Knowledge of system engineering design methods, including requirements analysis and flow-down, specification derivation and interface control documentation

Preferred Qualifications:

• Demonstrated strong verbal and written communication skills and the ability to work well in a close team environment

• Experience engaging directly with internal and external technical and programmatic representatives

• Demonstrated problem solving and troubleshooting skills

• Demonstrated ability to assimilate new concepts quickly and independently and work in a self-directed manner

• Experience in model based systems engineering using Cameo or similar SysML tools

• Experience in performance analysis using MATLAB and Excel or similar tools

• Familiarity with Atlassian collaboration tool set (Jira and Confluence)

• Experience in supplier/subcontract management

• Experience with developing supplier documentation, performance based specifications, and statements of work

• Experience building supplier evaluation criteria and experience in conducting technical evaluations, documenting results and selection

• Ability to review documents from the supplier's development effort and support supplier technical interchange meetings and design review

• Active DoD Top Secret Clearance


Primary Level Salary Range: $118,600.00 - $178,000.00The 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.PDN-a0723bed-de9e-4701-aff7-e527bfea981f

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip out customers with the capabilities they need to connect and protect the world and push the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers’ toughest problems, our nearly 100,000 employees contribute to launching the technology of tomorrow, today.

© 2025 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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Sr. Principal RF Antenna Cosite Engineer
Northrop Grumman
Melbourne, FL
Nov 26, 2025
$118,600 - $178,000 a year
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