Leidos has a new and exciting opportunity for a Software Engineer (SWE) in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). 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. At Leidos we offer competitive benefits including 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!
This position is eligible for a sign on bonus of $25000.
Primary Responsibilities
- Test front-end user interfaces to ensure functionality and usability.
- Write and maintain automated test scripts for UI verification using tools such as Robot Framework (Python).
- Design and code new automated test scripts or modify existing ones to add new features.
- Debug existing automated test scripts and correct defects.
- Collaborate with developers to design implement and validate features in React and related front-end libraries.
- Support integration of UI components with back-end services written in Java and/or C.
- Participate in Agile development teams contributing to sprint planning code reviews and daily stand-ups.
- Document test cases results and processes to support ongoing quality assurance.
- Explore and apply other front-end automation tools as appropriate to improve efficiency.
Basic Qualifications
- Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelors degree. Masters Degrees may count toward experience requirements
- 14 years of relavent experience
- Clearance Requirement: Active Top Secret/SCI clearance with Polygraph.
Preferred Qualifications
- Experience with front-end development and/or UI testing.
- Familiarity with React Java and/or C.
- Ability to write test scripts in Python (Robot Framework experience strongly preferred).
- Hands-on experience with Robot Framework for UI automation.
- Exposure to other front-end automation tools (e.g. Selenium Cypress).
- Knowledge of modern web technologies: JavaScript TypeScript HTML CSS.
- Experience working in Agile development environments.
cssrc
conmd
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
January 5 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:
Senior IC
Leidos has a new and exciting opportunity for a Software Engineer (SWE) in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modeling Sign...
Leidos has a new and exciting opportunity for a Software Engineer (SWE) in our National Security Sectors (NSS) Cyber & Analytics Business Area (CABA). 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. At Leidos we offer competitive benefits including 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!
This position is eligible for a sign on bonus of $25000.
Primary Responsibilities
- Test front-end user interfaces to ensure functionality and usability.
- Write and maintain automated test scripts for UI verification using tools such as Robot Framework (Python).
- Design and code new automated test scripts or modify existing ones to add new features.
- Debug existing automated test scripts and correct defects.
- Collaborate with developers to design implement and validate features in React and related front-end libraries.
- Support integration of UI components with back-end services written in Java and/or C.
- Participate in Agile development teams contributing to sprint planning code reviews and daily stand-ups.
- Document test cases results and processes to support ongoing quality assurance.
- Explore and apply other front-end automation tools as appropriate to improve efficiency.
Basic Qualifications
- Bachelors degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelors degree. Masters Degrees may count toward experience requirements
- 14 years of relavent experience
- Clearance Requirement: Active Top Secret/SCI clearance with Polygraph.
Preferred Qualifications
- Experience with front-end development and/or UI testing.
- Familiarity with React Java and/or C.
- Ability to write test scripts in Python (Robot Framework experience strongly preferred).
- Hands-on experience with Robot Framework for UI automation.
- Exposure to other front-end automation tools (e.g. Selenium Cypress).
- Knowledge of modern web technologies: JavaScript TypeScript HTML CSS.
- Experience working in Agile development environments.
cssrc
conmd
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting:
January 5 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:
Senior IC
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