Sr. Software Engineer – 5G RAN Location: Aberdeen Proving Ground (APG), MD Type: Remote (Travel as needed) Salary Range: $150,000 – $200,000 annually About Fairwinds Technologies Fairwinds Technologies is a U.S.-based engineering firm specializing in Satellite Communications (SATCOM), RF Transmission Systems, Network Design, Systems Integration, and Digital Signal Processing (DSP). We support Command, Control, Communications, and Computer (C4) systems in austere military environments, delivering advanced communications, networking, and IT solutions to defense and civilian agencies worldwide. Position Overview We are seeking a Communications Software Engineer with hands-on 5G RAN and/or radio SW development experience. The ideal candidate will have a strong background in ORAN gNB and Radio SW systems. This role will focus on adapting the 5G OpenAirInterface stack to support military Low Probability of Intercept (LPI) and Low Probability of Detection (LPD) objectives by employing DSSS and Frequency Hopping techniques on top of 5G architecture. This position reports to the Chief Technology & Strategy Office and involves close collaboration with customers and engineering teams to deliver innovative solutions for RF Tactical & Naval Military Solutions, as well as strategic border protection applications. Key Responsibilities - Support SW architecture design for an end-to-end 5G communications system based on Open AirInterface (OAI) open-source SW stack - Deliver software requirements, documents and integration and test plans - Act as software engineer and implement the software needed changes into the 5G SW stack - Adapt and extend the 5G OpenAirInterface stack to optimize military LPI/LPD requirements, specifically through the implementation of DSSS and Frequency Hopping techniques - Support integration and testing of communication systems in lab and field settings - Interface with hardware and system teams to drive system-level performance - Author technical documentation and support generation of system specifications and SBIR deliverables Required Qualifications - Bachelor’s degree in Computer Science, Computer Engineering, or related field - 5+ years of design experience in 5G RAN/Radio software development with deep knowledge of 5G and/or ORAN systems and 5G waveforms - 10+ years of experience coding and reverse engineering with C/C++ - 7+ years of debugging real time communication SW - Experience in writing 5G systems and SW specifications - U.S. Citizenship and eligible for DoD security clearance Additional Preferred Qualifications - Master’s degree in Communications, Computer Science / Engineering, or Wireless Systems - Experience with 5G core deployment using containerized or virtualized environments (Docker, Kubernetes) - Experience in utilizing AI in code writing and reviews - Hands-on experience with the 5G OpenAirInterface (OAI) stack, including gNB, and UE integration - Experience in L1 and L2 integration of 5G RAN or SATCOM communications systems - Familiarity with adapting 5G/OAI for military applications, including LPI/LPD techniques - Experience of User Equipment 5G software - Practical knowledge of DSSS and Frequency Hopping as applied to secure, resilient wireless communications - Experience with Terrestrial and Non-Terrestrial (NTN) communications systems - Understanding of 3GPP specifications (Rel-15 to Rel-18) Position Type/Expected Hours of Work This is a full-time position. Work Authorization/Security Clearance: Must be eligible to work in the US. Must hold active secret clearance. AAP/EEO Statement Fairwinds Technologies, LLC is an Equal Opportunity Employer – M/F/Veteran/Disability/Sexual Orientation/Gender Identity Compensation- Salary At Fairwinds, we consider many factors when it comes to compensation, including the scope of the position as well as your background and experience. Base pay may vary depending on job-related knowledge, skills, location and experience.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description cFocus Software seeks an Application Developer II to join our program supporting the Executive Office of the President (EOP). This position is remote and requires a TS/SCI clearance. - Compare the number of records and number of bytes of data, in aggregate, for a specific data type to identify any discrepancies - Compare the number of records and number of bytes of data, considering focused data segments (i.e., drill-down) for a specific data type to identify any discrepancies - Compare specific data points or attributes for a specific data type to identify any discrepancies - Execute audits for each data type (e.g., photos, emails, files, SharePoint lists, etc.) maintained within the OBS platform - Evaluate and identify deviations from permissions and access management expectations for OBS, data audit reports, and executive dashboards - Compare active accounts, Microsoft Exchange records, file system records, OBS, and other data sources, to ensure that records are properly tagged in the OBS platform based on Active Directory criteria as provided by Government - Maintain a complete and accurate log of all audit executions, including number of discrepancies and details of each such discrepancy, in machine-readable form - Proactively communicate through methods approved by the Government the results of any audit discrepancies - Review results of audits to identify trends and potential remediations and preventative measures to improve subsequent results - Identify any anomalies; such as failures of data types to be found into OBS on the expected schedule - Maintain a complete and accurate log of all non-resolvable discrepancies, to include the reason for non-remediation, in order to share the findings with the National Archives and Records Administration (NARA) as a part of Presidential transition - Provide process documentation to describe the end-to-end methodology for managing data verifications and validations, including the automated stages, as well as any manual interventions, escalations, and resolutions; schedule of execution; method of execution; and related pertinent technical and non-technical details. - Support designing, coding, testing, and debugging software applications. - Write basic code, conducting unit tests, and supporting application enhancements. Qualifications - Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related technical field - 4+ years of experience in application or software development - Experience developing backend services or applications in a federal or regulated environment - Familiarity with ETL processes, data validation, and comparison logic - Experience working with structured and semi-structured data sources - Understanding of secure coding practices and vulnerability remediation - Experience working in Agile or hybrid Agile development environments - Strong analytical, troubleshooting, and documentation skills Company Description

• Design, develop, and maintain high-quality Flutter applications for iOS and Android • Implement frontend and backend functionality, including APIs, business logic, and data flows • Work with Supabase (database, auth, edge functions) and Firebase where required • Integrate third-party services such as RevenueCat, Stripe, and other app-related SDKs • Handle app deployments, store submissions, and release management (App Store & Play Store) • Collaborate with product and design using Jira as the ticketing and task management system • Ensure clean architecture, maintainable code, and scalable solutions • Take ownership of features across the entire software development lifecycle

Position Type : Full time Type Of Hire : Experienced (relevant combo of work and education) Education Desired : Bachelor of Computer Science Travel Percentage : 0% Job Description About FIS Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun. Current and future sponsorship are not available for this position About the team As part of the FIS Securities Processing division, the Post Trade Processing (PTP) team is focused on delivering solutions which meet the Back Office requirements of our various clients. The work involves continuous development of the “PTP product” (stemming from client enhancement requests or roadmap initiatives), improving the testing infrastructure and providing on-going platform maintenance and support. By being agile and embracing new technologies, the PTP team adapts to ever-changing landscape of the financial markets. What you will be doing · Analyzing user requirements and translate into solution design. · Devising accurate task breakdown and time estimation. · Implementing new features and feature enhancements in C++ / other technologies as appropriate. · Focusing on quality and shipping working code to users in the most efficient timeframe. · Collaborating on code reviews and best practice within a small, agile, focused team. What you bring · 3 - 5 years of experience · Proficiency in GUI Development · Proficiency in Python, Linux, Unix · Proficiency in C++, C#. · Proficiency in AWS, SQL, Oracle. (RDBMS) (IBM) Bonus if you have · Knowledge of the financial markets and trade life cycle. · Technical experience in using AWS, Docker, Kafka. What we offer you · A competitive salary and benefits. · The chance to work on some of the most challenging, relevant issues in financial services & technology. · Varied and challenging work to help you grow your technical skillset. · A modern, international work environment and a dedicated and motivated team. FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $104,250.00 - $175,120.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.Privacy Statement FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice. EEOC Statement FIS is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, genetic information, national origin, disability, veteran status, and other protected characteristics. The EEO is the Law poster is available here supplement document available here For positions located in the US, the following conditions apply. If you are made a conditional offer of employment, you will be required to undergo a drug test. ADA Disclaimer: In developing this job description care was taken to include all competencies needed to successfully perform in this position. However, for Americans with Disabilities Act (ADA) purposes, the essential functions of the job may or may not have been described for purposes of ADA reasonable accommodation. All reasonable accommodation requests will be reviewed and evaluated on a case-by-case basis. Sourcing Model Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company. #pridepass