Expert Software Engineer job opportunity at Leidos.

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DatePosted 30 Days Ago bot
Leidos Expert Software Engineer
Experience: 12-years
Pattern: full-time
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loacation Chantilly, VA, United States Of America
loacation Chantilly, VA....United States Of America

Leidos is seeking Software Developer-SME for a 200+ FTE program.  The candidate will provide development engineering and programming support to projects and infrastructure support activities to include: Provide database architectural and design capabilities Develop unit and functional test plan Provide the operations and maintenance of operational systems Modify existing software to correct errors, allow it to adapt to new hardware, or to improve its performance Analyze user needs and software requirements to determine feasibility of design within time and cost restraints Consult with customers about software system design and maintenance Coordinate software system installation and monitor equipment functioning to ensure specifications are met Design, develop, and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequence of design Develop and direct software system testing and validation procedures, programming, and documentation Confer with systems analysts, engineers, programmers and others to obtain information on project limitations and capabilities, performance requirements and interfaces Correct errors by making appropriate changes and then recheck the program to ensure that the desired results are produced Conduct trial runs of program and software applications to be sure they will produce the desired information and that the instructions are correct Compile and write documentation of program development and subsequent revisions, inserting comments in the coded instruction so others can understand the program Write, update, and maintain computer programs or software packages to handle specific jobs, such as tracking inventory, storing or receiving data, or controlling other equipment Consult with managerial, engineering, and technical personnel to clarify program intent, identify problems, and suggest changes Perform or direct revision, repair, or expansion of existing programs to increase operating efficiency or adapt to new requirements Written, analyze, review, and rewrite programs, using workflow chart and diagram, and applying knowledge of computer capabilities, subject matter, and symbolic logic Write or contribute to instructions or manuals to guide end users Investigate whether networks, workstations, the central processing unit of the system, or peripheral equipment are responding to a program’s instructions Prepare detailed workflow charts and diagrams that describe input, output, and logical operational, and convert them into a series of instructions coded in a computer language Consult with and assist computer operators or system analysts to define and resolve problems in running computer programs Assign, coordinate, and review work and activities of programming personnel Designs, Develops, and Maintains applications within the cloud environment. This can be for new applications development or the transition of legacy applications to the cloud environment. Required Qualifications Active TS/SCI with Polygraph Requires BS degree and 12 years of prior relevant experience. Additional experience in lieu of degree Demonstrated experience in multiple programming languages (Java, JavaScript, Python, and/or XML) Experience managing and developing web software Demonstrated experience with cloud services Experience in Windows and/or Unix Experience using code repositories such as Git Demonstrated experience documenting such artifacts as code and methodologies Familiarity with writing unit and integration tests Desired Qualifications Experience with Spring and Java Experience with databases such as PostgreSQL Experience working in an AGILE development environment Ability to work collaboratively in a team environment Experience with Docker, Kubernetes, and scalable/parallelized architecture Possess a passion for learning new technologies and staying up to date with industry trends Understanding of Intelligence Community customers and their priorities FIP 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: January 30, 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 $131,300.00 - $237,350.00 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.

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