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Software Engineer SME

Leidos


Job Location:

Tucson, AZ - USA

Yearly Salary: USD 131300 - 237350
Posted: 19 October 2026 (17 hours ago)
Application Deadline: 16 January 2027
Vacancies: 1 Vacancy

Job Summary

Shape the Technology Behind Critical National Security Missions


What if your technical expertise could influence not just an application but the technology strategy behind a mission that matters Leidos is seeking a proficient Software Engineer Subject Matter Expert (SME) to join the Chinook Program supporting an Intelligence Community customer and an application supporting important national security objectives.


As a Software Engineer SME youll have the opportunity to shape architecture drive modernization solve the most complex engineering challenges and establish the technical direction for critical capabilities. Youll work alongside exceptional engineers architects program leaders and mission stakeholders while remaining close to technology and solving problems that demand deep technical expertise.

The Software Engineer SME provides the highest level of technical expertise within the software engineering organization. The SME serves as a technical authority architect-level contributor mentor and problem solver for complex engineering challenges.

The SME is expected to influence technical direction across teams and capabilities while remaining capable of directly designing developing reviewing troubleshooting and improving software.


Position may be performed in the following locations below.

Tucson AZ

Gaithersburg MD

Alexandria VA

Chantilly VA

Englewood CO

St. Louis MO


Clearance Level Required:

Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.


Primary Responsibilities:

Serve as a technical leader and Scrum Master for one or more Agile software development teams facilitating Scrum ceremonies removing delivery impediments and promoting consistent Agile execution.

Coach and mentor engineering teams on Agile principles Scrum practices and continuous improvement while maintaining a strong focus on technical excellence and mission delivery.

Collaborate with Product Owners technical leads and program leadership to align sprint objectives technical priorities and software delivery milestones with customer mission requirements.

Identify and address cross-team dependencies technical blockers and delivery risks that could impact sprint commitments or program objectives.

Champion Agile engineering practices including continuous integration automated testing DevSecOps and incremental delivery of working software.

Provide technical leadership across the full software development lifecycle.

Define and influence application architecture technical strategy and modernization initiatives.

Lead resolution of the most complex software engineering and integration problems.

Design highly scalable secure resilient and maintainable software architectures.

Establish software engineering standards patterns and best practices.

Lead architecture and technical design reviews.

Evaluate competing technical approaches and make recommendations based on mission value risk cost and feasibility.

Guide development of APIs microservices data services integrations and distributed systems.

Provide expertise in cloud-native and containerized architecture.

Lead efforts to improve system performance scalability availability resiliency and security.

Provide technical oversight of CI/CD and DevSecOps implementation.

Identify and manage technical debt and long-term engineering risks.

Develop solutions to complex production and operational problems.

Provide technical direction and mentorship to junior mid and senior engineers.

Establish and promote effective code review and engineering quality practices.

Partner with Test Engineering to establish effective automated testing and quality strategies.

Collaborate with systems engineering security DevSecOps program leadership and customer stakeholders.

Translate complex technical issues into clear recommendations for technical and program leadership.

Evaluate emerging technologies and determine their applicability to the mission.

Influence engineering roadmaps and modernization strategies.

Support technical planning across Agile Program Increments.

Represent the software engineering organization in major technical working groups and customer discussions.

Help establish a culture of technical excellence engineering discipline and continuous improvement.


Basic Qualifications:

US citizenship is required per contract.

Bachelors degree in Computer Science Software Engineering or related field and 12-15 years of prior relevant experience or Masters with 10-14 years of prior relevant experience. May possess a Doctorate in technical domain.

Demonstrated expertise in software engineering architecture and application development.

Demonstrated experience serving as a Scrum Master Agile team lead or technical leader responsible for coordinating software development activities within an Agile environment.

Strong understanding of Scrum principles Agile software delivery frameworks backlog management sprint execution and continuous improvement practices.

Experience facilitating collaboration among multidisciplinary engineering teams Product Owners and customer stakeholders to deliver complex software solutions.

Expert-level knowledge with the following technologies:

oWeb: HTML CSS JSON Ajax and REST APIs

oObject-oriented Programming: Python Java or JavaScript

oFront-end and Back-end Frameworks: React Angular jQuery Spring Boot Django Flask or Svelte

oCloud Development: AWS Azure or similar cloud platforms

oRelational Database: MySQL PostgreSQL or SQL Server

oOperating System: Windows Linux

oVersion Control System: Git

Extensive experience designing and implementing complex software systems.

Extensive experience with APIs distributed systems databases and system integrations.

Extensive experience with cloud DevSecOps CI/CD and containerized environments.

Demonstrated experience solving highly complex technical problems.

Demonstrated ability to provide technical leadership across engineering teams.

Experience working in Agile/Scrum and/or SAFe environments.


Preferred Qualifications:

Experience supporting Intelligence Community (IC) mission systems.

Certified Scrum Master (CSM) Professional Scrum Master (PSM II) SAFe Scrum Master (SSM) or equivalent Agile certification.

Experience serving as a Scrum Master or Agile technical lead on large-scale mission-critical software development programs supporting the Intelligence Community or Department of Defense.

Experience coaching Agile teams resolving complex delivery impediments and improving team effectiveness through actionable metrics and retrospective outcomes.

Experience coordinating multiple Agile teams managing technical dependencies and supporting Agile delivery within a broader program or scaled Agile environment.

Experience with GEOINT geospatial intelligence or other mission-specific data standards and workflows.

Expert-level AWS and cloud-native architecture experience.

Experience with C2S/GovCloud or other classified cloud environments.

Experience with Docker and Kubernetes.

Experience with Terraform and CloudFormation.

Experience with GitLab CI/CD Jenkins SonarQube Nexus Vault and Keycloak.

Experience with PostgreSQL MySQL SQL Server OpenSearch/Elasticsearch or comparable data platforms.

Experience with event-driven and distributed architectures.

Experience with observability monitoring logging and performance engineering.

SAFe experience and/or relevant Agile certifications.

Experience leading technical modernization or application transformation initiatives.


#Chinook

#NSBA


If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:
October 15 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 $131300.00 - $237350.00

The Leidos pay range for this job level is a general guideline onlyand 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.


Required Experience:

IC


About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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