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Leidos

Senior Signals Software Engineer

Annapolis, MD · On-site

$131K - $237K/yr

Experience with software-defined radio architectures (e.g., SCA, REDHAWK, GNU) and commercial ... days with an anticipated close date of no earlier than 3 days after the original posting date as ...

Unisity, LLC

Software Engineer 2

Annapolis Junction, MD

$107K - $146K/yr

GNU Radio, Redhawk) * Experience with Java, including Java GUI development Due to federal contract ... All contributions are fully vested from day one, ensuring immediate ownership of retirement funds.

Amentum

Software Engineer Senior

Patrick Air Force Base, FL · On-site +1

$114K - $151K/yr

Experience working with Windows and Linux (RedHat and GNU) based computer systems and components ... three days, with a closing date no earlier than three days after the original posting. This ...

Amentum

Software Engineer Senior

Melbourne, FL · On-site

$113K - $149K/yr

Experience working with Windows and Linux (RedHat and GNU) based computer systems and components ... three days, with a closing date no earlier than three days after the original posting. This ...

Pae

Software Engineer Senior

Cocoa Beach, FL · On-site +1

$103K - $136K/yr

Experience working with Windows and Linux (RedHat and GNU) based computer systems and components ... three days, with a closing date no earlier than three days after the original posting. This ...

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Senior Signals Software Engineer

Senior Signals Software Engineer

Leidos

Annapolis, MD • On-site

$131K - $237K/yr

Full-time

Retirement, PTO

Posted 17 days ago

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

55th of 426 rated business services

Job description

Leidos has a new and exciting opportunity for a Senior Signals Software Engineer in our Intel Sectors, Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
Position is eligible for a $25,000 sign on bonus.
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.

CONMD
CSSRC
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:
March 25, 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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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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