Principal Signals Software Engineer
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Job Location:
Monthly Salary:
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Job Summary
Leidos has a new and exciting opportunity for a Principal Signals Software Engineer in our National Security Sectors (NSS) 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 $25000 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:
- A Masters degree in Computer Science or a related field from an accredited institution is required along with a minimum of 15 years of relevant experience. Alternatively a Bachelors degree with at least 17 years of experience or no degree with 19 years of directly related experience will also be considered.
- Twelve (12) 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 ( is a plus).
- Background in Agile development teams and geolocation techniques.
CONMD
CSSRC
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
September 22 2025For 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 $148850.00 - $269075.00The Leidos pay range for this job level is a general guideline onlyand 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.
Required Experience:
Staff IC
Key Skills
- Continuous Integration
- Docker
- Jenkins
- Python
- System Design
- Agile
- C/C++
- Go
- Systems Engineering
- Software Development
- Java
- Distributed Systems
About Company
Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions fo ... View more
