The Leidos Health and Services Sector is seeking a Senior Systems Developer who will perform as a technical expert in the design, development, coding, testing, and debugging new application workflows or enhancements. Works with Government and their support teams to understand and to develop resolution of application issues. Resolves issues with application workflows and respond to suggestions for modifications or enhancements. Participates in the development of application workflow activities and coordinates technical requirements with the customer.
Be local to the DC metro area for onsite meetings with the customer
AND US Citizenship with the ability to obtain a Public Trust position.
This is a full-time key personnel position contingent upon contract award.
time, improve deployments and reduce defects
Experience with healthcare interoperability standards (HL7, FHIR, IHE, DICOM).
Experience with MuleSoft, Salesforce, or AWS GovCloud.
Demonstrated experience developing DoD systems using the DoD agile development process (DoDI 5000.02).
Demonstrated technical expertise in application and business process development.
Experience using Artificial Intelligence (AI) technologies to reduce development time, improve deployments, and reduce defects.
Knowledge of computer concepts and techniques to develop and apply automated solutions to engineering, scientific, or business data acquisition and management problems.
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.
October 8, 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 $107,900.00 - $195,050.00
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.

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 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.