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Leidos • Orlando, Florida, United States
Salary: 500® innovation compa
Role & seniority: Senior Code Development and Test Engineer (experienced DoD-focused role)
Location & work type: Orlando, FL office; on-site presence likely required (Mission-critical DoD program)
Stack/tools: Linux (RHEL), Windows; Active Directory integration; network/system architecture management; security testing tooling (ACAS/Nessus); SAFe Agile environment; Agile tools (Jira, Confluence); cloud/edge computing; test automation and test result analysis; network topology design and validation
Maintain and mature the DI-NIL architecture, services, and supporting infrastructure across enterprise environments
Participate in design reviews, risk/impact analysis, and provide customer-centric input for complex DoD systems; coordinate cross-functional planning and execution
Conduct and support security testing/remediation (ACAS/Nessus), test methodology development, and verification/validation across integration efforts
Bachelor’s degree with 8+ years (or Master’s with 6+ years) of relevant DoD-related experience
Demonstrable coding concepts applied to DoD programs; ability to brief technical and non-technical stakeholders
Basic network understanding and ability to adapt code for enterprise operation; experience with DoD/system security testing and remediation
Strong written/verbal communication; experience in cross-functional planning and system integration
Nice-to-haves
The Decision Advantage Business Area at Leidos has an opening for an experienced Code Development and Test Engineer to work in our Orlando, FL office. Department of the Air Force (DAF) Battle Network and supporting infrastructure. In this mission we support the Department of the Air Force (DAF) to field and operate the customer's Digital Infrastructure. The Code Development and Test Engineer will be involved in day-to-day activities and strategic long-term maturation of complex systems. Details are as follows: Primary Responsibilities : The Test team within the Digital Infrastructure Network Integration Lab (DI-NIL) will be responsible for maintaining the DI-NIL architecture and services. There are levels of support needed throughout to include RHEL, Windows, and other systems and appliances to include structure and compliance configurations, integration with Active Directory for authentication, as well as day-to-day management and review of the architecture. Basic Qualifications: Bachelor’s degree and 8+ years of prior relevant experience or master’s degree with 6+ years of prior relevant experience. Additional years of experience will be considered in lieu of degree. Demonstrable knowledge of coding concepts and applying these concepts to Department of Defense programs. Demonstrable experience in design review participation and providing customer centric input. Strong written and verbal communication skills to collaborate with customer representatives, domain experts, and other systems engineers in the development of complex DoD systems. Demonstrated ability to participate in cross-functional planning, coordination, and task execution situations involving the full spectrum of system integration activities. Basic network understanding and ability to adjust code to operate across the enterprise. Mid-level understanding of government systems security testing (ACAS/Nessus) and remediation – ability to discuss security issues and concerns. Demonstrated ability to brief technical and non-technical customers. Preferred Qualifications: 4 years of DoD-based system security testing (ACAS/Nessus) and remediation with the ability to discuss security issues and concerns. Prior experience designing and deploying networks. Prior experience with SAFe Agile implementation. Demonstrated experience with Agile program execution and using agile tools (e.g. Jira and Confluence). Prior experience support Department of the Air Force programs. Experience with design and validation of Cloud and Edge Computing and Network.Demonstrable knowledge of test automation and test result analysis. Demonstrable experience in network topologies to validate functionality, performance, stability and scalability of features and products. Proven expertise in creating test methodologies and writing test specifications. Experience in Integration, test, verification, and validation. 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: February 9, 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 - 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. Leidos Leidos is a Fortune 500® innovation company rapidly addressing the world's most vexing challenges in national security and health. The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenue of approximately $15.4 billion for the fiscal year ended December 29, 2023. For more information visit . 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 here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to . Commitment and Diversity 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.