Senior Signals Software Engineer - 25k Sign on Bonus
Leidos
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Columbia, MD · Posted October 29, 2026
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Where Columbia, MD ranks
Where Columbia, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #12Cities with the most hybrid jobs in the Mid-Atlantic18% · of 84
- #14Best cities for remote-friendly jobs9% · of 100
- #15Best cities for mid-career professionals in the Mid-Atlantic61% · of 85
- #16Best cities for mid-career professionals61% · of 100
- #19Cities with the most hybrid jobs18% · of 100
- #22Best cities for software and engineering jobs in the Mid-Atlantic115 openings · of 68
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among electronics engineers, except computer is little observed so far. Measured exposure for electronics engineers, except computer: 10% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Leidos has filed 4 layoff notices in the last twelve months, covering 404 workers, most recently September 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
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 or more years of experience. Seven (7) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor’s degree.
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).
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.
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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: October 29, 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.