Mid-Level Software Engineer

Description

Leidos Defense Systems is seeking a Mid‑Level Software Engineer to join the Software, Simulation, Systems Engineering and Integration Directorate. The role develops technical solutions requiring collaboration, analysis, and deep technical knowledge.

• Performs hands‑on software system development from lab to field application
• Determines computing system requirements
• Analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls
• Prepares operating instructions
• Designs and develops autonomous services, desktop applications, scripts, and utility programs; end product is special use and customized software
• Participates in technical design sessions and collaborates with stakeholders to establish the foundational architecture for new software applications
• Develops rapid prototypes and proof‑of‑concept applications to validate design decisions and mitigate technical risks early in the development lifecycle

• BS degree in computer science or related technical degree plus 6‑12 years+ professional software development experience or MS degree plus 2‑8 years+ professional software development experience
• Proficiency in C# and the .NET ecosystem (equivalent Java experience may be substituted)
• Experience with software application architectural design patterns and decision‑making for scalable, maintainable applications
• Experience with system integration, message handling, and data exchange protocols
• Strong understanding of software development lifecycle, version control, and agile methodologies
• Good understanding of markup languages (e.g., XML, YAML, HTML)
• Good understanding of Dev Sec Ops  practices and CI/CD pipelines
• Good understanding of API inputs and outputs
• Familiarity with Windows and Linux OS
• Understanding of cybersecurity principles and secure coding practices
• Strong analytical and organizational skills to handle multiple tasks and projects and to work independently
• Excellent written and verbal communication skills
• Must be a U.S. citizen
• Must be able to obtain and maintain a Secret clearance
• Must be a resident of Huntsville, AL or willing to relocate to the Huntsville, AL area

• Proficiency in one or more of the following scripting languages:
  Bash, Python, or Power Shell
• Experience with containerization (Docker, Kubernetes), microservices, or cloud‑based architectures
• Effective written and oral communication skills are also required to work with all levels of staff and managers
• Proficiency in Microsoft Office

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.

Pay Range: $87,100.00 – $. Compensation is based on responsibilities, experience and market data. Benefits include competitive compensation, health and wellness programs, income protection, paid leave and retirement options.