Stateside Spec Engineering jobs in the United States

Leidos

Senior Signals Software Engineer

Annapolis Junction, MD · On-site · Senior

Discipline
Software
Industry
Defense
Constraints
TS/SCI

Spec sheet

Automatically summarized from the employer’s posting. Check the original description below for full requirements.

Senior Signals Software Engineer at Leidos (Kudu Dynamics) in Annapolis Junction, MD. Lead/participate in RF-focused software development using C++/Java on Linux, with testing, DSP, and modern tools; requires TS/SCI with poly.

$131,300–$237,350 / year · Day shift · 7+ years · Bachelor’s degree in Computer Science or related discipline

Required

  • C++
  • Java
  • Linux
  • signal processing
  • Fourier transforms
  • filtering
  • digital modulation
  • RF experience

Preferred

  • software-defined radio
  • GIT
  • Python
  • Eclipse
  • MATLAB
  • SIMULINK
  • REST APIs
  • WebSockets

Benefits

  • medical
  • 401k
  • PTO

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Employer description

Who We Are:
Kudu Dynamics is Leidos Owned Company, forged out of a decade of

experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers and engineers have experience spanning centuries of research, development, and operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics, a Leidos company is uniquely qualified to anticipate tomorrow’s threats and build the next generation of capabilities.

Primary Responsibilities:

 Analyze user requirements to derive software design and performance specifications.Design, develop, and enhance software to add new features or improve existing functionality.Debug and resolve defects in software systems.Utilize signal processing techniques and digital modulation methods effectively.Develop software using C++ and Java within Linux operating systems.Integrate software into new or modified systems, ensuring seamless operation.Lead or participate in the development and execution of test procedures for software components.Write and review software and system documentation, providing recommendations to improve processes and standards.Apply scientific analysis and mathematical models to design software solutions and predict outcomes.

Basic Qualifications:

Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required with 15 years of experience.Seven (7) years’ experience as a SSWE or equivalent on a project with a focus on Radio Frequency (RF) to include experience with Fourier transforms, filtering, communications theory, digital modulation, error control coding, signals analysis tools (e.g. WVT, DVT), and digital signal processing (e.g. adaptive beamforming/ filtering, demodulation).Seven (7) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor’s degree.

Clearance Requirement: Active TS/SCI with polygraph

Preferred Qualifications:

Experience with software-defined radio architectures (e.g., SCA, REDHAWK, GNU) and commercial wireless standards.Proficiency in software configuration management tools (e.g., GIT, Trac, Subversion).Familiarity with Python, Eclipse IDE, Google Protocol Buffer, and model-based design tools like MATLAB or SIMULINK.Knowledge of service-oriented architecture, Kubernetes, Docker, and cloud deployment (e.g., AWS).Expertise in front-end technologies such as JavaScript, TypeScript, HTML, and CSS, including libraries like React, Vue, or Angular.Experience working with REST APIs, WebSockets, and JavaScript 3D libraries (e.g.,Three.is a plus).Background in Agile development teams and geolocation techniques. 

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.

Original Posting:July 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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