Prinicpal Software Engineer with 25K sign on bonus

Leidos•Columbia, MD

3d•$154,050 - $278,475

About The Position

Leidos has a new and exciting opportunity for a Software Engineer (SWE) in our Intelligence Sector, 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 $25,000. The Software Engineer will be responsible for: 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 Bachelor's 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 bachelor's degree. Masters Degrees may count toward experience requirements 20 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 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: February 6, 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 $154,050.00 - $278,475.00 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 a Fortune 500® innovation company rapidly addressing the world's most vexing challenges in national security and health. The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenue of approximately $15.4 billion for the fiscal year ended December 29, 2023. 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. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and 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 [email protected]. 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.

Requirements

Bachelor's 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 bachelor's degree. Masters Degrees may count toward experience requirements
20 years of relavent experience
Clearance Requirement: Active Top Secret/SCI clearance with Polygraph.

Nice To Haves

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.

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.