Principal Signals Software Engineer 25k Sign on Bonus

Job Overview
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 of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

Benefits
We offer competitive benefits including Paid Time Off, 11 paid holidays, a 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. This position is eligible for a sign‑on bonus of $25,000.

Primary Responsibilities

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 a 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. Master’s degrees may count toward experience requirements.

20 years of relevant 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.

Commitment to Non-Discrimination
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.

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