
Software Developer SME
Required skills
- TS/SCI with Polygraph
- Git
- Jenkins
- Rundeck
- Command Line
- RH Linux
Nice to have
- Full Stack Development
- UI/UX Design
Role summary
Leidos is seeking a Software Engineer SME to support a large technical development program focused on Entitlement Programs, Identity and Access Management (IdAM/ICAM), Authentication, Authorization, Attributes, and Digital Policy Management. The role involves modernizing legacy applications, implementing industry standards, and ensuring secure, reliable IT system availability. Responsibilities include developing Java and Angular (Typescript) applications leveraging Elasticsearch, scripting for EC2 instance configuration, utilizing AWS, creating RESTful APIs, and designing custom ETL processes. The position requires experience with Java, Spring Boot, Angular, AWS, ETL, Git, Jenkins, Selenium, and Rundeck, along with a TS/SCI with Polygraph clearance and a Master's degree with 15+ years of experience. Familiarity with Agile/Scrum, containerization, and IAM practices is also valued.
Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer’s mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems.
Primary Responsibilities:
o Comfort and familiarity in maintaining legacy applications
o Experience in modernization of legacy applications
o Ability to write custom scripts to install and configure code in EC2 instances
o Experience leveraging Amazon Web Services
o Experience creating RESTful API
o Experience with spring boot
o Develop Java and Angular (Typescript) that leverage Elasticsearch
o Comfort and familiarity designing and utilizing custom ETL methodology
o Strong communication, design, and documentation skills
o Strong time and workflow management skills
o Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)
o Work within the parameters of Agile & Scrum methodologies
o Willingness to mentor and teach junior developers’ community best practices in a constructive fashion
o Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions
Required Qualifications
• Active TS/SCI with Polygraph
• Master's degree and 15+ years of experience. Additional experience in lieu of degree.
• Must have experience with Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services
• Prior experience reading and developing solutions to customer requirements and specifications
• Prior experience developing custom ETL
• Knowledge of Git, Jenkins, selenium, and Rundeck
• Experiencing working in Command Line (RH Linux)
Desired Qualifications
• Understanding and knowledge with Identity and Accessibility development practices
• Experience with automation methodologies like selenium
• Experience with containerization and modular development
• Familiarity with UI/UX Design
• Full Stack Development
• Certification - Amazon Web Services (AWS)
FIP
#MSBA
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:
June 29, 2026For 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 $154,050.00 - $278,475.00The 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.
Sample Leidos interview questions
- 1
What are the key considerations when designing a highly available and consistent service registry?
system designmedium - 2
Buildings with an Ocean View Find all buildings that have an ocean view. Input: heights = [1,2,3,4] Output: [3] Explanation: Since the ocean is to the right, only the rightmost tallest building (index 3) is not blocked by any others.
codingmedium - 3
Merge K Sorted Linked Lists Merge K sorted linked lists. Input: lists = [[2,2,3],[1,5]] Output: [1,2,2,3,5] Explanation: Extracts the smallest current node iteratively using a priority queue to build a single merged and sorted linked list.
codingmedium - 4
Optimal Meeting Point Calculate the optimal meeting point for multiple people on a 2D grid. Input: grid = [[1,0],[0,1]] Output: 2 Explanation: The optimal meeting point is either (0,1) or (1,0), requiring exactly 1 step from each person resulting in a total distance of 2.
codingmedium - 5
Maximize the minimum distance between aggressive cows in stalls. Input: stalls = [0,4,3,7,10,9], cows = 3 Output: 4 Explanation: Placing the cows at positions 0, 4, and 10 yields a maximum possible minimum distance of 4 between any two cows.
codingmedium
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