Leidos has a new and exciting opportunity for a Software Engineer 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!
Are you ready to design, build, and optimize advanced software systems that power real-world intelligence and mission-critical operations? As a Principal Software Engineer, you'll take on high-performance computing, large-scale data manipulation, and real-time systems, pushing boundaries and driving innovation.
Primary Responsibilities
Develop and enhance sophisticated software solutions for analytics, data processing, and intelligence operations.
Analyze user requirements to craft high-performing software that meets real-world needs.
Debug and refine complex systems, optimizing performance and eliminating inefficiencies.
Design and implement new features that integrate seamlessly into evolving environments.
Develop robust database queries and optimize large-scale data repositories for efficiency.
Lead software development efforts, ensuring technical excellence and adherence to best practices.
Author and refine documentation to improve software processes and methodologies.
Basic Qualifications
20+ years of experience in software development, working on high-impact projects.
Bachelor’s degree in Computer Science or a related field (or equivalent experience).
Expertise in Java, with a deep understanding of modern software engineering principles.
TS/SCI with Polygraph clearance required.
Strong ability to design, develop, and modify software for advanced computing environments.
Proven experience in optimizing software systems for speed, accuracy, and efficiency.
Ability to create and implement complex algorithms with strict system performance requirements.
Preferred Qualifications
Proficiency in C++, JBoss, AWS, Agile Scrum methodologies.
Experience with Git, Linux, Jira, Confluence, Eclipse, and cutting-edge development tools.
Background in stream-based processing frameworks and advanced database architectures.
Familiarity with JavaScript, TypeScript, HTML, and CSS for full-stack development capabilities.
If you're a problem-solver, a strategist, and an engineer who thrives on pushing technology forward, this is the role for you. Join a team where your expertise drives impact and innovation. Apply today!
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Original Posting:May 28, 2025For 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 $148,850.00 - $269,075.00The 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 Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
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What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
