Radiofrequency Engineer (RF) (ES5)

Amentum; Huntsville (TN); On-site; USD 120,000 - 180,000; Full time

Job summary

Amentum Space Exploration Division seeks a senior RF engineer to support radio frequency analyses for space-based communication systems. Responsibilities include transmitter/antenna analyses, trade studies, and test coordination with US government customers.

The role requires active US security clearance and an advanced degree with substantial experience in antenna and RF design. On-site work in Huntsville, with travel as needed.

Qualifications

• ABET-accredited electrical engineering degree required.
• Ph.D. with 9+ years of antenna and RF systems design experience.
• MS with 13+ years of experience or BS with 15+ years.
• Strong proficiency in RF analysis, simulations and reporting.

Responsibilities

• Analyze existing RF transmitters, receivers, and antenna designs.
• Participate in requirements and data reviews providing inputs and comments.
• Support test campaigns in the internal and external laboratories.
• Support and generate RF subsystem trade studies.
• Perform link margin analyses using various modulation protocols and environmental influences.
• Write or collaborate communication system design and analyses reports.
• Project milestone reviews for customers and stakeholders.
• Project technical interchange, planning, review, and other meetings to maintain knowledge base.
• Perform RF interference/radio frequency compatibility analyses.
• Mentor early-career and internship engineers.

Skills

Visual Basic

MathCAD

MatLab

Education

ABET-accredited Electrical Engineering degree

Ph.D., 9+ years experience

MS, 13+ years experience

BS, 15+ years experience

Tools

HFSS

GPS/GNSS Simulators

PNT / Communication Waveform Analyzers (BPSK, QAM, QPSK)

Job description

Join Our Journey

At Amentum Space Exploration Division (ASED) your growth is our priority! That’s why we offer an array of exciting opportunities for your career development. From the transformative Team Lead Academy to education reimbursement, personalized mentoring, and engaging company-sponsored networking events, you have the power to shape your professional journey in a way that aligns with your aspirations.

Find Your Community

At the heart of our thriving business are the incredible people who make it all possible. We celebrate a vibrant array of cultures, backgrounds, and experiences. Here, we foster an environment where everyone—employees, clients, and partners alike—are treated with the dignity and respect they deserve.

Prioritize Your Well-Being

Our extensive benefits package is designed with your health in mind. Enjoy wellness programs, paid holidays, generous time off, employee perks, and so much more. We’re here to help you achieve a harmonious balance in your life—both at work and at home.

Together, We Soar

Our dynamic team consists of 10 companies united in a single mission: to venture from Moon to Mars and beyond. Join us on this extraordinary adventure!

This position has been aligned with Amentum Space Exploration Division. To learn more, click here

The candidate will provide Radio Frequency (RF) Analysis, Simulation, and Development support for space-based RF communication systems with inter-operability integration across multiple US Government Customers. This position will require active security clearance to perform daily tasks. Support customer’s Moon Base Utilities and Infrastructure Group, Deep Space Communications Network, and future RF infrastructures.

The successful candidate will perform tasks such as:

• Provide analyses of existing transmitters, receivers, and antenna designs.

• Participate in requirements and data reviews providing inputs and comments.

• Support test campaigns in the internal and external laboratories.

• Support and generate RF subsystem trade studies.

• Perform link margin analyses using various modulation protocols and environmental influences.

• Write or collaborate communication system design and analyses reports.

• Project milestone reviews for customers and stakeholders.

• Project technical interchange, planning, review, and other appropriate meetings required to maintain current knowledge base of design, requirements, issues, action items, and resolution activities.

• Perform radio frequency interference/radio frequency compatibility analyses.

• Organizational management reviews.

• Mentor early-career and internship engineers.

Should be proficient in the following:

Visual Basic, MathCAD and/or MatLab, ANSYS High Frequency Structure Simulator (HFSS), GPS/GNSS Simulators, and PNT / Communication Waveform Analyzers (BPSK, QAM, QPSK)

Must be a US Citizen and currently have an active or can obtain US Security Clearance.

Education requirements:

A degree in electrical engineering from an ABET accredited university and 15 or more years of experience in Antenna and RF systems design, test, and evaluation.

• Ph.D., with minimum of 9+ years of experience,

• MS with at least 13+ years of experience, or

• BS with at least 15+ years of experience.

Essential Functions

Work Environment:

Office environment. Requires ability to provide clear, concise, accurate and timely communication, both verbally and in writing (100%). Requires ability to interact professionally with co-workers, management, and client (100%). Requires travel in the domestic USA (5%). Requires ability to work at a computer for long periods of time (100%).

Physical Requirements:

Requires sitting for extended periods of time in meetings with peers, management, and with our client at NASA facilities to discuss technical issues (10%). Also, requires sitting for extended periods of time at a desk to write reports and perform engineering tasks (80%). Requires ability to use stairs or elevators for access between floors and multiple buildings at NASA and our facilities (10%).

Equipment and Machines:

Requires ability to operate a personal computer, a telephone, fax machine, copier, calculator, and other general office equipment (100%).

Attendance:

Normal workday 7:30-4:30, Monday thru Friday. Minimal overtime may be required (10%) to meet schedule milestones and to support technical demands of the job. Regular attendance is a necessity, and adequate arrangements for delegating duties during absences are required.

Other Essential Functions:

The ability to work independently with minimal supervision, and to make rational decisions, and to exercise good judgment is essential (100%). Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.

Proof of U.S. Citizenship is required.

#ESSCA #ASED#Amentum

Compensation Details:

ES5

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O’Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

09/09/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.