RF Systems Engineer 3

Apex Systems

Baltimore (MD)

On-site

USD 110,000 - 160,000

Full time

36 hours ago
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Benefits offered by this job

Medical insurance
Dental/Vision insurance
Life insurance
Disability insurance
ESPP with company match
401K with company match
HSA
Employee Assistance Program (EAP)
Discount programs
Training opportunities
Certification prep

Job summary

Apex Systems is seeking an RF Systems Engineer in Linthicum, MD to support development, integration, and fielding of advanced RF sensor systems. The role involves collaboration across engineering teams, model development, and verification throughout the lifecycle from concept to deployment.

Qualifications include a STEM degree with experience in RF applications, MATLAB/Python/C++, and strong systems engineering fundamentals. This on-site position requires an active Secret clearance and U.S.

Qualifications

  • Bachelor's degree in Engineering/Physics/Math/CS or a related STEM field with 5+ years of experience, or
  • Master's degree with 3+ years of experience, or
  • PhD with 1+ year of experience. Active U.S. Government Secret Clearance. U.S. Citizenship required.

Responsibilities

  • Support development and performance optimization of next-generation multifunction RF sensor systems.
  • Develop parametric models, visualizations, and data-driven analyses to support requirements and use-case validation.
  • Support design and implementation of RF solutions considering interfaces, real-time resource management, and hardware constraints.
  • Integrate sensor modes and tracking capabilities from simulation to lab and flight test activities.
  • Assist system maturation and verification in digital simulation and hardware-in-the-loop environments.
  • Develop and write test requirements and support verification activities.
  • Apply systems engineering principles to solve complex technical challenges.
  • Contribute to system architecture development and concept refinement.
  • Conduct technology trade studies to evaluate potential solutions.
  • Derive system requirements aligned with customer objectives and programs.
  • Support algorithm development and performance optimization efforts.
  • Perform data analysis to evaluate system performance for engineering decisions.
  • Collaborate with hardware, software, firmware, and systems teams.
  • Identify opportunities for innovation and process improvement.

Skills

RF systems
MATLAB
Python
C/C++
Systems engineering
Data analysis
Technical communication
Team collaboration

Education

Bachelor's degree in STEM
Master's degree
PhD

Tools

LabVIEW
Simulink
Modeling tools

Job description

Job Description

Job#: 3047632

Job Description

RF Systems Engineer

Location: Linthicum, MD

Security Clearance: Active Secret Clearance Required

Schedule: Full-Time | 100% Onsite

Overview

Our client is seeking an RF Systems Engineer to support the development, integration, and fielding of advanced dedicated and multi-function RF sensor systems. This role offers the opportunity to work on cutting-edge technologies that support complex mission requirements across a variety of platforms and operational environments.

The selected candidate will work closely with multidisciplinary engineering teams to develop innovative RF solutions, support system integration and testing efforts, and contribute throughout the system lifecycle from concept development and requirements analysis through verification and deployment.

Key Responsibilities
  • Support the development and performance optimization of next-generation multifunction RF sensor systems.
  • Develop parametric models, visualizations, and data-driven analyses to support sensor requirements definition and operational use case validation.
  • Support the design and implementation of novel RF solutions while accounting for system interfaces, real-time resource management, and hardware constraints.
  • Participate in the integration of sensor modes and tracking capabilities from simulation environments through laboratory and flight test activities.
  • Support system maturation and verification efforts in digital simulation and hardware-in-the-loop environments.
  • Develop and author test requirements and support system verification activities.
  • Apply systems engineering principles to solve complex technical challenges.
  • Participate in system architecture development and concept refinement efforts.
  • Conduct technology trade studies to evaluate potential solutions and approaches.
  • Develop and derive system requirements aligned with customer and program objectives.
  • Support algorithm development and performance optimization initiatives.
  • Perform data analysis to evaluate system performance and support engineering decisions.
  • Collaborate with hardware, software, firmware, and systems engineering teams.
  • Identify opportunities for innovation, process improvement, and technical advancement.
Required Qualifications
  • Bachelor's degree in Engineering, Physics, Mathematics, Computer Science, or another STEM field with 5+ years of experience, OR
  • Master's degree with 3+ years of experience, OR
  • PhD with 1+ year of experience.
  • An additional 4 years of relevant experience may be considered in lieu of a degree.
  • Active U.S. Government Secret Clearance.
  • U.S. Citizenship required.
  • Ability to obtain and maintain Special Program Access (SAP).
  • Experience with RF applications and RF system development.
  • Experience developing and applying models using MATLAB, Python, and/or C/C++.
  • Experience with tracking and algorithm development.
  • Experience developing and implementing innovative technical solutions.
  • Strong understanding of systems engineering concepts and methodologies.
  • Strong analytical, problem-solving, and communication skills.
Preferred Qualifications
  • Advanced degree in a STEM discipline.
  • Active U.S. Government Top Secret Clearance or higher.
  • Experience supporting Special Access Programs (SAPs).
  • Familiarity with one or more RF sensing modalities and their applications.
  • Experience with digital signal processing (DSP).
  • Experience working with advanced RF sensor systems and signal processing techniques.
Benefits
  • medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection.
  • ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure.
  • HSA (Health Savings Account on the HDHP plan)
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions
  • corporate discount savings program and other discounts
  • on-demand training program
  • access to certification prep
  • a library of technical and leadership courses/books/seminars once you have 6+ months of tenure
  • certification discounts
  • perks to associations that include CompTIA and IIBA
  • dedicated customer service team for our Consultants
  • certified Career Coach

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

© 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

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