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Senior Signals Software Engineer

Leidos Open · verified Oct 24, 2026
Annapolis Junction Full-time Senior Software Engineering

At a glance

Senior Software Engineering role at Leidos. Annapolis Junction · full-time · $131,300–$237,350 base.

SalaryStated by Leidos
$131,300 – $237,350
Base salary for this role, in USD per year, as published in the posting.
This role, from LeidosOur estimate for the market: $172,500–$217,197Median $200,000
The range includes the market median of $200,000 for senior software engineering roles in Annapolis Junction.
Worked out from 20 postings that stated pay, median $200,000. Last updated Oct 10, 2026.
RoleSoftware Engineering
SenioritySenior
LocationAnnapolis Junction
EmploymentFull-time
Base pay$131,300–$237,350
PostedJul 28, 2026 · 2mo ago
Role brief

techroles summary, based on the employer's posting.

What you'll do

  • Turn user needs into software designs and performance targets, then build or extend the software
  • Use signal-processing methods and digital modulation while developing C++ and Java software on Linux
  • Find and fix software defects, then connect components to new or changed systems
  • Create or help run component tests, and write or review software and system documentation
  • Use scientific analysis and mathematical models to shape solutions and forecast their results

What you bring

  • A computer science or related degree plus twelve years of experience, or four extra years of equivalent project work instead
  • At least seven years as an SSWE or equivalent on RF-focused projects, including signal analysis and digital signal processing
  • An active TS/SCI clearance with polygraph

Who this fits

This senior software engineering role suits someone with deep RF software experience who can work across design, implementation, testing, and documentation. An active TS/SCI clearance with polygraph is required.

From the employer

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 12 years of experience. Four (4) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor’s degree.

  • Seven (7) or more 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).

  • 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.

Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Software Engineering$130k+

Find me work

By the team behind techroles.

Find me work
Opportunity

Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind techroles.