Code Development and Test Engineer

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 Engineerwill 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.