Description

Looking for an opportunity to make an impact? 

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

If this sounds like the kind of environment where you can thrive, keep reading! 

The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.

Your greatest work is ahead! 

We are looking for an experienced Computer Systems Engineer – React Developer with Pega Expereince to join the National Airspace System (NAS) Integration Support Contract (NISC IV) to support the Federal Aviation Administration in the Washington DC Office. As a Computer Systems Engineer – React Developer with Pega experience, you will play a crucial part in designing, developing, and maintaining high-quality software solutions as well as operational support to the program.

The React Developer will be responsible for designing, developing, and implementing user interfaces for web applications, with a focus on integrating these interfaces with Pega-based business process management (BPM) solutions. This role requires a strong understanding of both React.js for front-end development and the Pega Platform for back-end process and data management.

Responsibilities:

• Design, develop, and maintain responsive and interactive user interfaces using React.js and related technologies.
• Collaborate with business analysts and Pega developers to translate business requirements into technical specifications and implement front-end solutions that seamlessly integrate with Pega applications.
• Leverage React to build modern, custom front-end interfaces that integrate with Pega-based applications. This role combines strong front-end development skills with deep knowledge of the Pega platform's integration capabilities.
• Develop and integrate custom components and UI elements within the Pega UI framework, ensuring adherence to best practices and design standards.
• Work with Pega developers to define and implement integrations between React front-ends and Pega services (e.g., REST APIs, data pages).
• Optimize front-end applications for performance, scalability, and accessibility across various devices and browsers.
• Participate in the full software development lifecycle, including requirements gathering, design, development, testing, deployment, and support.
• Troubleshoot, debug, and resolve issues related to both React and Pega integrations.
• Stay informed about emerging trends and technologies in both React and Pega development to propose and implement innovative solutions.

Required Skills and Experience:

• Requires BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience.
• Proven experience in designing and developing web applications using React.js, JavaScript, HTML, and CSS.
• Strong understanding of React concepts, including component-based architecture, state management (e.g., Redux, Context API), and hooks.
• Experience with Pega Platform development, including Pega PRPC, Pega UI components, and Pega integration capabilities.
• Familiarity with Pega case management, process flows, and data models.
• Experience with RESTful API integration and data exchange between front-end and back-end systems.
• Proficiency in using front-end build tools (e.g., Webpack, Babel) and version control systems (e.g., Git).
• Ability to work effectively in an Agile development environment and collaborate with cross-functional teams. 
• Excellent problem-solving, analytical, and communication skills.

Preferred Qualifications:

• Pega certification (e.g., CSA, CSSA).
• Experience with other front-end frameworks or libraries.
• Knowledge of cloud platforms and DevOps practices.
• Knowledge of Pega's Constellation architecture is a plus.

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:

October 29, 2025

Pay Range:

Pay Range $107,900.00 - $195,050.00

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.

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 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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

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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