MD-Signals Software Engineer 3 - TS/SCI w/ Polygraph

  • Sunayu
  • Gambrills, Maryland
  • 04/24/2026
Full time Information Technology Telecommunications Java Python Software Engineer Testing

Job Description

Job DescriptionJob DescriptionSalary: $195,000 - $250,000

Location: Annapolis Junction, Maryland

Category: Software Engineer
Travel Required:No
Remote Type: No
Clearance: TS/SCI w/ Polygraph


Position Requirements

The Signals Software Engineer develops, maintains, and enhances signal processing software (e.g. detectors, demodulators, protocol processors). Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.


Primary Responsibilities
Analyze user requirements to derive software design and performance requirements
Design and code new software or modify existing software to add new features
Debug existing software and correct defect
Describe various signal processing techniques
Identify various digital modulation techniques
Integrate existing software into new or modified systems or operating environments
Provide recommendations for improving documentation and software development process standards
Develop / implement algorithms to meet system performance and functional standards
Assist with developing and executing test procedures for software components
Write/review software and system documentation
Analyze systems flow, data usage and work processes
Investigate problem areas
Serve as team lead at the level appropriate to the software development process being used on any particular project
Modify existing software to correct errors, to adapt to new hardware or to improve its performance
Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequence of design
Use signal processing algorithms to convert a signals
Design signal processing software based on sparse documentation
Lead one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project
Design / implement complex signal processing algorithms requiring adherence to strict timing, system resource, or interface constraints
Perform quality control on products
Confer with system engineers and software engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces
Develop and maintain software framework to enable efficient processing of data
Implement recommendations for improving documentation and software development process standards
Serve as the technical lead of multiple software development teams
Select the software development process in coordination with the customer and system engineering
Recommend new technologies and processes for complex software projects
Ensure quality control of all developed and modified software
Write software using C++ Java; suggest other languages as needed to solve problems
Advanced understanding of the Linux operating system
Identify problems in any part of an RF collection and processing system to include hardware, software, databases
Delegate programming and testing responsibilities to one or more teams and monitor their performance
Basic Qualifications

A polygraph within 5 years is required for this task.
Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. At least 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. WYT, DVT), and digital signal processing (e.g. adaptive beamforming/ filtering, demodulation). Four (4) years of additional SSWE or equivalent experience on projects with similar software processes may be substituted for a bachelor's degree.


Preferred Qualifications

Software defined radio architectures (e.g. SCA, REDHA WK, or GNU), commercial wireless standards, geolocation techniques, software configuration management tools (e.g. GIT, Clearquest, Trac, or Subversion), Python, Eclipse IDE Google Protocol Buffer, model-based design (e.g. Matlab, SIMULINK), service oriented architecture, and Linux OS.


Who We Are

Sunayu, LLC serves as a premier technology partner to the Defense and Intelligence communities, delivering mission-critical engineering solutions across the nation. Our operations are anchored in a commitment to trust, accountability, and ethical transparency, ensuring the high-performance outcomes necessary to protect our country's most vital interests.


Culture

Our strength lies in our community: Our team prioritizes collaboration, professional growth, and encourages open communication. At Sunayu, we don't just secure the missionwe grow together.


Career Development

We support and encourage our team members to continue their professional growth by providing company-reimbursed training and continuing education of up to $5,000 per year. We also participate in many industry conferences and events where we share our expertise and experiences.


Pay Rate

Salary range considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills, as well as market and business considerations when extending an offer.


Benefits

  • 3 Medical Plan Options
  • Dental and Vision
  • FSA, DCFSA, HSA
  • Life/AD&D Insurance
  • Short-Term & Long-Term Disability
  • Employee Assistance Program (EAP)
  • Training and Educational Assistance
  • Paid Time Off (PTO)
  • 11 Federal holidays
  • 401k plan with up to a 6% match (100% immediate vesting)


Equal Opportunity Employer

Sunayu, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, protected veteran status, disability status, marital status, genetic information, medical condition, or any other characteristic protected by law.