Jr. Software Engineer - Production Support & Modernization with Security Clearance

R-00187518 Description Leidos is seeking a Junior Software Engineer to support the CDC Division of HIV Prevention (DHP) Prevention Research Synthesis (PRS) Web application and related data modernization initiatives. This role provides application development, maintenance, testing, troubleshooting, and enhancement support for an existing Microsoft-based web platform while contributing to the incremental modernization of legacy analytical and reporting environments. The successful candidate will work closely with senior engineers, architects, analysts, and stakeholders to maintain operational continuity while supporting future migration and modernization efforts. Primary Responsibilities: * Support maintenance, enhancement, testing, deployment, and sustainment of the PRS Web application.
* Develop and maintain application components, scripts, APIs, automation solutions, and data processing workflows.
* Participate in requirements analysis, technical design, code reviews, testing, and implementation activities.
* Troubleshoot software defects, system issues, and user-reported problems and support resolution efforts.
* Develop and maintain technical documentation, user guides, and support materials.
* Support analysis and evaluation of modernization opportunities for legacy applications, analytical workflows, and reporting environments.
* Assist with migration planning, proof-of-concept development, and implementation of modernization initiatives under the guidance of senior engineers and architects.
* Collaborate with software developers, data engineers, analysts, and program stakeholders to support surveillance, reporting, and public health operations.
* Follow established software engineering, security, DevSecOps, and quality assurance practices. Basic Qualifications * Bachelor's degree in Computer Science, Software Engineering, Information Systems, Data Science, or related discipline with 1–3 years of software development experience.
* Experience with Microsoft .NET technologies, C#, ASP.NET, JavaScript, HTML, CSS, or similar web development technologies.
* Familiarity with relational databases and Microsoft SQL Server.
* Experience supporting web applications, troubleshooting issues, and implementing enhancements.
* Familiarity with software development lifecycle methodologies and version control systems.
* Strong analytical, problem-solving, and communication skills.
* Demonstrated willingness and ability to learn new technologies and development frameworks.
* Ability to obtain/maintain a Public Trust Security Clearance. Preferred Qualifications: * Experience supporting CDC, HHS, or other federal agencies.
* Experience supporting legacy application modernization initiatives.
* Familiarity with the PRS Web technology stack, including Microsoft Visual Studio, .NET Framework, ASP.NET MVC, Visual C#, SQL Server, JavaScript, jQuery, Kendo UI, HTML5, and CSS3.
* Familiarity with Azure, Databricks, EDAV, 1CDP, Python, R, or other modern analytics environments.
* Experience supporting public health, healthcare, research, analytics, or reporting systems.
* Knowledge of Agile development methodologies and DevSecOps practices.
* Experience supporting surveillance, data management, reporting, or modernization initiatives. Preferred Certifications: Azure Fundamentals (AZ-900); Azure Data Fundamentals (DP-900); Microsoft Certified: Azure Developer Associate (AZ-204); Databricks Fundamentals; or equivalent certifications. Work Location and Travel: This position is primarily remote and open to candidates nationwide. Atlanta-area candidates are preferred to attend occasional in-person meetings or collaboration activities at CDC facilities. 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: July 17, 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 $57,850.00 - $104,575.00 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. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits . Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission . Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #Remote