RF Systems Engineer

Quantum Computing Inc.; Hoboken (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Computing Inc. (QCi) in Hoboken, NJ seeks an experienced RF/Systems Engineer to research, design, and apply advanced photonics and RF methods for strategic sensing and communications in defense applications.

The role emphasizes experimental design, RF theory, and hands‑on lab work with VNA, spectrum analyzers, and power electronics. Travel and clearance eligibility are considerations for this fast‑moving, innovative team.

Qualifications

• Bachelor of Science in Physics, Engineering Physics, RF Engineering, or Electrical Engineering from an accredited university.
• Knowledge of antennas and microwave/photonic circuits.
• Experience with at least one computational EM solver (HFSS, CST, FEKO, AWG MO, or others) and understanding of MoM, FDTD, FEM.
• Familiarity with microwave PCB design best practices related to SI, Power Handling, Impedance Matching and EMI/EMC compliance.
• Strong foundation in PCB and antenna design related to DFM, DFT, DFA.
• Strong electrical engineering fundamentals in Analog, Power, and Digital Electronics.
• Advanced experience with amplifiers, hybrid couplers, circulators, attenuators, mixers and waveguides.
• Experience with microwave network design and optimization.
• Experience in hardware production, quality verification, analyzing variability and tolerances.
• Advanced experience comparing experimental measurement with simulated prediction of electromagnetic effects.
• Strong experience with RF communication bands, modulations and protocols.
• Hands‑on experience with lab instruments: DMMs, Oscilloscopes, VNAs, Spectrum Analyzers.
• Software knowledge across C, C++, MATLAB/Octave, or Python.
• Able to lift weights up to 50lbs (occasionally).
• DoD Security Clearance, or ability to obtain one, required.

Responsibilities

• Support the development of platforms based around classical and quantum photonics to tactical RF systems.
• Collaborate with physicists and engineers to design mission‑enabling RF systems.
• Evaluate component performance via board-level and system-level lab testing (LNAs, HPAs, filters, couplers, etc.).
• Work with hardware, mechanical, and quantum scientists during lab testing phases.
• Design or simulate RF antenna apertures, microwave and photonic structures; verify with tests.
• Integrate custom components into larger tactical systems.
• Maintain milestone‑level documentation: theory of operations, manufacturing docs, validation results.
• Perform integration testing to validate system performance.

Skills

Antennas & microwave circuits

RF engineering fundamentals

Experimental design

RF communications

C/C++/Python

Education

BS in Physics/Engineering (RF/Electrical)

Tools

Ansys HFSS

CST Microwave Studio

FEKO

AWG Microwave Office

Job description

About Us:

Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative, integrated photonics company that provides accessible and affordable quantum machines to the world today. QCi products are designed to operate at room temperature and low power at an affordable cost. The Company’s portfolio of core technology and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, cyber security as well as remote sensing applications.

Job Title:

RF/Systems Engineer

Location:

Hoboken, NJ

Division:

Revenue

Department:

Defense

About Us:

Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative, integrated photonics company that provides accessible and affordable quantum machines to the world today. QCi products are designed to operate at room temperature and low power at an affordable cost. The Company’s portfolio of core technology and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, cyber security as well as remote sensing applications.

Position Description:

We are seeking an experienced and talented RF/Systems Engineer to be part of our developmental efforts. As an RF/Systems Engineer you will be responsible for researching, designing, developing, and applying novel and advanced physical effects in the fields of photonics, quantum sensing, and beyond to the practical missions of RF communications and signal intelligence to provide new strategic capabilities for the warfighter. The ideal candidate will have a strong background in experimentation and the scientific method, having designed and carried out experiments and test plans, as well as a strong background in RF and electromagnetic theory, simulation, and correlating theoretical and simulated predictions with experimentally measured results.

This position offers a unique opportunity to apply your expertise and skills in a challenging and innovative technology environment. This position offers a unique opportunity to be at the forefront of quantum technology, contributing to the advancement of groundbreaking solutions in the rapidly evolving field of quantum computing.

Duties and Responsibilities:

• Support the development of several platforms based around the application of classical and quantum photonics to tactical RF systems as an RF/Systems engineer.
• Work alongside other physicists and engineers to design novel and mission- enabling tactical RF systems
• Evaluate critical component performance via board-level and system-level lab testing (LNAs, HPAs, filters, couplers, mixing blocks, etc.)
• Work with hardware engineers, mechanical engineers, and quantum scientists during various phases of lab testing.
• Evaluate, design, or simulate custom RF antenna apertures, microwave and photonic structures, and devise methods to fabricate and experimentally verify performance.
• Integrate custom components into larger tactical systems.
• Maintain documentation expected at milestone events during the entire design cycle (theory of operations, manufacturing documentation, validation testing results, etc.)
• Perform integration testing to validate system performance.

Required Skills and Experience:

• Bachelor of Science (BS) in Physics, Engineering Physics, RF Engineering, or Electrical Engineering from an accredited university.
• Knowledge of antennas and microwave/photonic circuits.
• Experience with at least one computational EM solver (Ansys HFSS, CST Microwave Studio, FEKO, AWG Microwave Office, or others) as well as understanding of the underlying mathematics of various simulation methods (MoM, FDTD, FEM) and their strengths and limitations.
• Familiarity with microwave PCB design best practices related to Signal Integrity, Power Handling, Impedance Matching and EMI/EMC compliance.
• Strong foundation in PCB and antenna design related to DFM, DFT, and DFA best practices.
• Strong electrical engineering fundamentals in Analog, Power, and Digital Electronics.
• Advanced experience with amplifiers, hybrid couplers, circulators, attenuators, mixers and waveguides.
• Experience with microwave network design and optimization.
• Experience in hardware production, quality verification, analyzing variability and determining tolerances.
• Advanced experience comparing experimental measurement with simulated prediction of electromagnetic effects.
• Strong experience with RF communication bands, modulations and protocols.
• Hands‑on experience with tuning, testing, troubleshooting, and integration with lab instruments such as: DMMs, Oscilloscopes, Vector Network Analyzers, and Spectrum Analyzers.
• Software knowledge across C, C++, MATLAB/Octave, or Python.
• Able to lift weights up to 50lbs (occasionally).
• DoD Security Clearance, or ability to obtain one, required.
• Excellent problem‑solving and analytical skills.
• Excellent written and verbal communication skills.
• Detail-oriented.

Additional Preferred Skills:

• Master of Science (MS) degree in Applied Physics, RF Engineering, or Electrical Engineering.
• Experience designing integrated electronics, LNAs, mode forming networks, etc.
• Experience working with optoelectronics.
• Experience with military tactical radios and tactical protocols (Phantom, Saturn, Link-16, etc.)
• Experience with RF analog, digital, and mixed‑signal electronics.
• Experience designing systems to meet compliance and certification requirements (e.g., CE/FCC).
• Experience with quantum sensing.
• Proficiency in RF performance validation in anechoic chambers.
• Experience with radars and radar cross section.
• Solid background in signal processing, communication theory, and link analysis.
• Experience in satellite communication and system considerations.
• Experience with manual board prototyping/refurbing using essential equipment like soldering irons and hot air guns.

Quantum Computing Inc. (QCi) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Incumbent(s) in this position may be required to perform other duties and special assignments not specifically stated above. Statements outlined in this section are designated as essential job functions in accordance with the Americans with Disabilities Act of 1990.