Senior Software Engineer

Company: Leidos
Location: Kissimmee
Posted on: November 26, 2025

Job Description:

Job Description Description Come put your software engineering skills into action! The Command and Control Incident Management Emergency Response Application (C2IMERA) program in Leidos’ National Security Sector has current job opportunities for talented Senior Software Engineers . The successful candidate will work collaboratively with an outstanding team of software developers and engineers to continue to produce and field software on behalf of the US Air Force. The responsibilities for this position include all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and automated testing within an Agile and Continuous Integration and Continuous Delivery model. In this role, you will join a dynamic team that is singularly focused on providing world class solutions to our customers in an exciting, collaborative, and inclusive atmosphere. You will be challenged and provided with a tremendous opportunity for growth in a customer-facing, fast-paced, and fun environment. As a leader, you will architect, design, build, and enhance highly available and scalable systems used by Air Force customers worldwide. You will direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Additionally, you will determine and recommend the best designs based on customer business objectives, timelines and other resource constraints. This position does allow remote work but candidates that are able to occasionally be onsite at any of the following locations would be preferred. The ideal locations would include Newport News, VA; Lexington, MA; Orlando, FL; Charlottesville, VA; Omaha, NE; or Morgantown, WV. Primary Responsibilities: Participate in the full software development lifecycle, working within broadly defined parameters. Own the delivery of an entire piece of a system or application and serve as a technical lead on medium-to-large, complex projects. Break down large tasks into smaller tasks that can be executed by the rest of the development team. Work closely with other engineers to develop the best technical design and approach for new product development. Ensure team adheres to Agile processes and DecSecOps best practices. Build software solutions where the solution is not always well defined but always consider the customer first. Mentor other engineers in the art of building complex, web scale systems. Resolve roadblocks for the development team, working collaboratively with the Product Owner, technical leadership, and other engineers. Plan and estimate development tasks and work to improve performance metrics. Basic Qualifications: Bachelor's degree with 4 years of experience or a Masters degree with 2 years of experience. Additional experience may be considered in lieu of a degree. US Citizen with the ability to obtain and maintain a DoD Secret clearance. Hands-on expertise with Java/C++ and object-oriented programming. Strong proficiency with basic web technologies including HTML, CSS, XML, SOAP, WSDL, REST, JSON, and JavaScript. Proficiency with web application technologies, such as Apache Tomcat, JBoss, etc. Experience delivering an entire piece of a system or application. Experience serving as a technical lead. Deep understanding of software design patterns. Working knowledge of Agile Development and continuous integration and continuous delivery methodologies and tools. Experience with a version control system (e.g., Git). Experience with an issue/problem tracking system (e.g., Jira). Proficiency with multiple operating systems (Mac OSX, Windows, LINUX, etc.). Proficiency with at least one Relational Database Management System (Oracle, MySQL, PostgreSQL, SQL Server, etc.). Proficiency with MS Office Products (Word, Excel, Visio, & PowerPoint). Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques. Preferred Qualifications: Knowledge of Agile Development tools such as Jira, Bitbucket, Confluence. Knowledge of continuous integration and delivery tools such as Jenkins, SonarQube, JUnit, Cucumber, Selenium, JMeter Experience developing and delivering modern software, including microservices, containers, and serverless architectures. 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: November 20, 2025 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 $85,150.00 - $153,925.00 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 LeidosCareersFraud@leidos.com. 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. Featuredjob

Keywords: Leidos, Kissimmee , Senior Software Engineer, IT / Software / Systems , Kissimmee, Florida