EW Systems Engineer — RF, SIGINT & DoD Systems

Sigma Defense Systems LLC; Huntsville (AL); On-site; USD 120,000 - 130,000; Full time

Job summary

Sigma Defense Systems LLC in Huntsville, AL seeks an Electronic Warfare (EW) Systems Engineer to lead end-to-end engineering, integration, and testing of advanced EW systems for DoD customers.

The role emphasizes RF systems, systems engineering, signal processing, hardware integration, and verification, with collaboration across multidisciplinary teams to prototype, test, and field next-generation capabilities for operational environments.

Qualifications

• The candidate must have 4-6 years of experience designing or integrating RF or Electronic Warfare systems.
• Experience supporting DoD acquisition programs.
• Strong understanding of Systems Engineering processes.
• Experience developing technical documentation.
• Experience integrating complex hardware and software systems.
• Experience troubleshooting RF systems.
• U.S. citizen required.

Responsibilities

• Lead the systems engineering lifecycle from concept development through production and fielding.
• Develop and maintain system requirements, ICDs, and verification plans.
• Perform requirements decomposition, allocation, and traceability.
• Develop system architectures, block diagrams, and technical baselines.
• Design and integrate RF, communications, EA/ES/EP, and EW systems.
• Coordinate SDRs, RF amplifiers, antennas, filters, switches, power systems, and embedded computing platforms.
• Support schematic development, PCB integration, and hardware packaging.
• Develop CONOPS and operational employment concepts.
• Participate in SRR, PDR, CDR, TRR, and PRR.
• Develop and execute verification and validation plans.
• Conduct laboratory integration and troubleshooting.
• Support environmental, EMI/EMC, thermal, and RF performance testing.
• Analyze RF performance (gain, NF, harmonics, spurious, linearity, VSWR).
• Develop production documentation (assembly, wiring, travelers, test procedures).
• Coordinate with mechanical, electrical, software, and manufacturing engineers.
• Support customer demonstrations, TI meetings, and field exercises.
• Participate in FAT, SAT, and customer training.
• Identify technical risks and mitigation strategies.
• Support proposals and technical volumes.

Skills

RF system architecture

RF distribution

Amplifiers

Antennas

Filters

Mixers

Switch matrices

Frequency converters

Power dividers/combiners

RF shielding

Spectrum analysis

Systems engineering

Requirements management

Verification

Traceability

Risk management

Configuration management

Interface management

Trade studies

Functional decomposition

Technical baseline management

Electronic Attack

Electronic Support

Electronic Protection

Threat emitter systems

Radar systems

Signals Intelligence

Spectrum Operations

SDRs

Embedded computers

FPGA

High-power RF

GPS

Timing systems

Ethernet

MIL-STD connectors

Ruggedized enclosures

Python

MATLAB

C/C++

LabVIEW

Linux

Windows

Git

IBM DOORS

Jama

Bench testing

Integration testing

Functional testing

RF characterization

Environmental testing

Thermal testing

EMI/EMC testing

Field testing

Customer demonstrations

FAT

SAT

Electronic Warfare Systems

RF Transmission

DoW Support

Industry standards

Education

Bachelor's degree in Electrical Engineering

Bachelor's degree in Computer Engineering

Bachelor's degree in Systems Engineering

Bachelor's degree in Physics

Related field

Tools

Python

MATLAB

C/C++

LabVIEW

Linux

Windows

Git

IBM DOORS

Jama

Job description

Sigma Defense Systems LLC in Huntsville, AL seeks an Electronic Warfare (EW) Systems Engineer to lead end-to-end engineering, integration, and testing of advanced EW systems for DoD customers.

The role emphasizes RF systems, systems engineering, signal processing, hardware integration, and verification, with collaboration across multidisciplinary teams to prototype, test, and field next-generation capabilities for operational environments.