Software Engineers - Security Clearance

Position: Software Engineers - 25k Sign on Bonus with Security Clearance
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- Description Leidos anticipates several new and exciting opportunities for Software Engineers in our National Security Sector's (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! These positions will be eligible for a sign on bonus of 💰$25,000. Leidos is seeking driven and experienced Full Stack Software Engineers to support a high-stakes, mission-critical program. In these roles, you'll help architect, develop, and integrate software solutions that shape national security and drive meaningful innovation. Join an Agile team where your expertise won’t just be valued—it will be vital.

Primary Responsibilities
* Design, develop, and enhance secure software applications and systems

* Integrate new software into evolving operational environments

* Analyze user needs to craft efficient and scalable solutions

* Debug and optimize existing software for performance and reliability

* Implement complex algorithms that meet rigorous technical standards

* Create and maintain system documentation and technical reports

* Collaborate in Agile Scrum teams to deliver rapid, high-quality releases
Basic Qualifications
* Bachelor's degree in Computer Science or related discipline. In lieu of degree an additional 4 years of software engineering may be considered

* 7+ to 20+ years of software engineering experience supporting programs of similar type and scope will be required

* Familiarity with front-end frameworks (React, Angular, or Vue)

* Proven ability to lead technical efforts and ensure code quality

* Experience with modern programming languages such as Java

* Clearance Requirement:
Must have an active TS/SCI clearance with Polygraph Preferred
* Proficient in Java for backend development

* Strong knowledge of Git, Linux, Jira, Eclipse, and Confluence This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate’s experience conmd CSSRC 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:
November 14, 2025 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 $ - $ 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.

About 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit  . 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,…