Principal Signals Software Engineer

Leidos • Columbia, MD

92d • $148,850 - $269,075

About The Position

Leidos has a new and exciting opportunity for a Principal Signals Software Engineer in our National Security Sector's (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 $25,000 sign on bonus.

Requirements

• A Master's 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 Bachelor's 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).
• Active TS/SCI with polygraph.

Nice To Haves

• 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.js) is a plus.
• Background in Agile development teams and geolocation techniques.

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.

Benefits

• 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
• $25,000 sign on bonus

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Industry: Professional, Scientific, and Technical Services
• Education Level: Master's degree