Sr. Software Engineer

Leidos LLC; Brookmont (MD); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Paid Time Off

Holidays

401K with company match

Flexible schedules

Discounted stock purchase plans

Technical upskilling

Education and training support

Parental paid leave

Job summary

Leidos LLC is seeking a Sr. Software Engineer to build robust software, systems, and cloud environments while maintaining critical systems in a DevOps framework. You will contribute to design, development, implementation, and testing of customer tools and applications across the software lifecycle.

The role emphasizes collaboration with Product Owners, Scrum Masters, and teams to align user stories with customer use cases while applying best practices in a compliant, security-focused environment.

Qualifications

• Significant experience with Agile practices and DevOps in the SDLC.
• Strong Java, Spring, cloud experience (C2S) and SDLC delivery.
• Experience with JUnit, Katalon, Python, and Bash in an Agile environment.
• Experience with Commercial Cloud Platforms (AWS, GCP, Azure) and cloud data services (S3, RDS, EFS).
• Experience with version control and issue tracking systems.
• Bachelor’s degree with 8+ years or Master’s with 6+ years of relevant experience.
• Active TS/SCI with polygraph security clearance.

Responsibilities

• Participates in/directs software initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.
• Develops software validation/testing methods with JUnit and Katalon and automates deployments.
• Develop, prototype, and deploy solutions within Commercial Cloud Solutions leveraging cloud services.
• Coordinate with team members, Product Owners and Scrum Masters for User Story alignment.
• Support SAFe Agile lifecycle and use DevOps tools like GitHub, Jenkins, Unix bash scripting, JIRA and Confluence.
• Analyze and coordinate infrastructure needs driven by developed software to meet mission needs.
• Apply best practices and SOPs to meet customer technical needs.

Skills

Java

Spring

Python

Bash

DevOps

Cloud platforms

Agile

Education

Bachelor's degree

Master's degree

Tools

JUnit

Katalon

GitHub

Jenkins

Unix Bash scripting

JIRA

Confluence

S3

RDS

EFS

Job description

Leidos has an exciting opportunity for a Sr. Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

• Paid Time Off
• 11 paid Holidays
• 401K with a 6% company match and immediate vesting
• Flexible Schedules
• Discounted Stock Purchase Plans
• Technical Upskilling
• Education and Training Support
• Parental Paid Leave
• and much more.

Join us and make a difference in National Security!

Job Summary

As a Software Engineer on this program, you will have the opportunity to build strong systems, software, and cloud environments while providing operations and maintenance for critical systems. This role will provide technical expertise in the design, development, implementation and testing of customer tools and applications. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.

Primary Responsibilities

• Participates in and/or directs software programming initiatives using Java, JavaScript, Python, SpringBoot, and Hibernate.
• Develops software system validation and testing methods using Junit and Katalon and uses integrated custom developed software solutions to leverage automated deployment technologies.
• Develop, prototype, and deploy solutions within Commercial Cloud Solutions leveraging infrastructure platform services.
• Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases.
• Support the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities.
• Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs.
• Apply and identify best practices and standard operating procedures creating innovative solutions to meet the technical needs of customers.

Basic Qualifications

• Significant experience in common Agile practices, service-orientated environments, and development practices.
• Significant experience with Java, Spring, C2S and the software development lifecycle, delivering within DevOps toolsets/practices.
• Direct experience utilizing software testing performance tools, such as Junit/Katalon and scripting languages, such as Python and Bash, while working in an Agile development environment.
• Significant experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS).
• Significant experience using version control systems and issue/problem tracking systems.
• Bachelor’s degree with 8 or more years of prior relevant experience or Master’s with 6 or more years of relevant experience.
• To be considered must have an active TS/SCI with polygraph security clearance.

Preferred Qualifications

• Experience with structured analysis and design methodologies
• Understanding of the customer's system development policies

#CABARESTON #ASBA

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: January 22, 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 $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 Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

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.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• 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 [e-mail].

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.