Demo

Principal Systems Engineer – RF Systems

BAE Systems
BAE Systems Salary
Westminster, CO Full Time
POSTED ON 6/30/2026
AVAILABLE BEFORE 8/30/2026

Job Description

BAE Systems Space & Mission Systems (SMS) is seeking a Systems Engineer to support the development of advanced RF, radar, communications, and electronic sensing systems throughout the system lifecycle. This role contributes to system requirements development, architecture definition, system integration, performance analysis, and verification while collaborating with multidisciplinary engineering teams.

The Systems Engineer will work closely with Lead Systems Engineers, Chief Engineers, software, hardware, FPGA, digital signal processing, and test organizations to transform mission needs into well-defined system requirements and integrated system solutions.

The ideal candidate possesses a solid analytical background and experience developing complex RF, communications, radar, digital signal processing, software-defined radio, embedded, or aerospace systems. This position offers the opportunity to work on challenging national security programs utilizing advanced RF technologies and modern digital engineering practices.

The Engineering, Science and Analysis (ESA) Strategic Capabilities Unit comprises the technical talent and organizational leadership that enables the successful delivery of high-impact discriminating technologies for our customers’ missions. Our collaborative, cross-functional teams are committed to innovation, integrity, continual learning and strong execution.


What You’ll Do:
  • Support development, decomposition, allocation, and management of system requirements.
  • Support development and maintenance of logical and physical system architectures.
  • Perform engineering trade studies and system performance analyses.
  • Define subsystem interfaces and interface requirements.
  • Support development of RF system architectures, digital signal processing solutions, and hardware/software allocation strategies.
  • Collaborate with software, FPGA, hardware, and test engineers to ensure successful system integration.
  • Support system integration, verification, validation, and performance characterization.
  • Develop verification methods and support requirements verification and traceability.
  • Analyze system performance and identify opportunities for optimization.
  • Participate in technical reviews including SRR, PDR, CDR, TRR, and PRR.
  • Develop technical documentation, engineering analyses, and customer deliverables.
  • Utilize systems engineering and digital engineering tools to support architecture development, requirements management, and technical traceability.
  • Maintain a regular and predictable work schedule.
  • Establish and maintain effective working relationships within the department, the Strategic Business Units, Strategic Capabilities Units and the Company. Interact appropriately with others in order to maintain a positive and productive work environment.
  • Perform other duties as necessary.

On-Site Work Environment: This position requires regular in-person engagement by working on-site five days each normally scheduled week in the primary work location. Travel and local commute between company campuses and other possible non-company locations may be required.


Working Conditions:
  • Work is performed in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment.
  • May occasionally work in production work centers where use of protective equipment and gear is required.
  • May access other facilities in various weather conditions.


Required Education, Experience, & Skills
  • BS degree or higher in Engineering or a related technical field is required plus 6 or more years related experience
  • Each higher-level degree, i.e., Master’s Degree or Ph.D., may substitute for two years of experience. Related technical experience may be considered in lieu of education. Degree must be from a university, college, or school which is accredited by an agency recognized by the US Secretary of Education, US Department of Education.
  • Degree must be from an accredited institution recognized by the U.S. Department of Education.
  • Ability to obtain a DoW security clearance is required.
  • Experience applying systems engineering principles throughout the system development lifecycle.
  • Experience developing and managing system requirements.
  • Experience supporting system architecture development, interface definition, and engineering trade studies.
  • Experience supporting RF systems, radar systems, communications systems, digital signal processing, software-defined radios, FPGA-based systems, embedded systems, or related technologies.
  • Experience supporting system integration, verification, validation, or test activities.
  • Excellent analytical, mathematical, and problem-solving skills.
#LI-MA2

A security clearance or access with Polygraph is not required to be eligible for this position. However, the applicant must be willing and eligible for submission, depending on program requirements, after an offer is accepted and must be able to maintain the applicable clearance/access.



Preferred Education, Experience, & Skills
  • Experience with radar, RF payloads, software-defined radios, satellite communications, electronic warfare, or digital communications systems.
  • Experience with digital signal processing, detection and estimation theory, beamforming, channelization, or waveform processing.
  • Experience using MATLAB, Python, C/C , Simulink, or similar engineering analysis tools.
  • Experience with FPGA development or hardware/software co-design.
  • Familiarity with requirements management tools such as Jama or DOORS.
  • Familiarity with Model-Based Systems Engineering (MBSE) concepts and digital engineering tools.
  • Experience supporting development-to-production transitions.
  • MS or PhD in Electrical Engineering, Computer Engineering, Physics, Applied Mathematics, or related technical discipline preferred.


Pay Information
Full-Time Salary Range: $118095 - $200762

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Space & Mission Systems
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Headquartered in Boulder, Colorado, Space & Mission Systems is a leading provider of national defense and civil space applications, advanced remote sensing, scientific and tactical systems for government and commercial customers. We continually pioneer ways to innovate spacecraft, mission payloads, optical systems, and other defense and civil capabilities. Powered by endlessly curious people with an unwavering mission focus, we continually discover ways to enable our customers to perform beyond expectation and protect what matters most.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Multiple positions may be available on this opening.

Salary : $118,095 - $200,762

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