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Software Engineer Security Clearance

Job in Fairfax, Fairfax County, Virginia, 22035, USA
Listing for: NASK Incorporated
Full Time position
Listed on 2026-08-26
Job specializations:
  • Software Development
    Front End Developer, Software Engineer, Full Stack Developer, Backend Developer
Job Description & How to Apply Below
Position: Software Engineer with Security Clearance
Position:
Software Engineer

Location:

Fairfax, VA Job
# of Openings: 1 Software Engineer

Location:

Fairfax, VA Minimum Clearance Required to Start:
Active TS to apply, ability to obtain an SCI Join NASK and help shape the next generation of digital signal processing solutions for the nation’s most critical missions. About NASK NASK has over twenty-five years of experience delivering innovative, mission-critical solutions to the Intelligence and Defense communities. Our teams combine deep technical expertise with a passion for solving the toughest challenges.

Collaboration, innovation, and integrity define our culture — empowering engineers to create impactful solutions that advance national security objectives. Our Culture NASK builds resilient, scalable teams by pairing strong mentorship with meaningful leadership opportunities. The diversity of our missions creates constant opportunities to grow skills and take on new challenges. We value clear communication and collaboration, and we believe the best solutions can come from anyone on the team.

Engineers at NASK are hands-on. We prioritize rapid delivery of working mission solutions and favor measurable, incremental progress over perfection. Engineers move the mission forward by writing code, collaborating with senior engineers, and working across teams to incorporate input from users, operators, and stakeholders.

Key Responsibilities
* Design, develop, test, and maintain user-facing software applications supporting national security missions.
* Build responsive, intuitive, and mission-focused user interfaces using modern web technologies and GUI frameworks.
* Translate operational and user requirements into clean, intuitive, and effective UI/UX solutions.
* Develop reusable UI components, application workflows, dashboards, and interactive data visualizations.
* Integrate front-end applications with RESTful APIs, backend services, databases, analytics platforms, and mission systems.
* Work closely with engineers, analysts, and mission users to understand workflows and improve the usability and effectiveness of software tools.
* Develop and maintain supporting backend services and APIs as needed to enable front-end functionality.
* Optimize applications for performance, responsiveness, reliability, accessibility, and maintainability.
* Troubleshoot and resolve UI, integration, and application-level defects across the software stack.
* Participate in code reviews, architecture and design discussions, Agile development activities, and collaborative development.
* Contribute to automated testing, CI/CD pipelines, and Dev Sec Ops  practices.
* Support deployment and operation of applications in Linux-based environments.

Required Qualifications
* Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or related technical field.
* Professional experience developing user-facing software applications, web applications, or graphical user interfaces.
* Experience with modern front-end development technologies, such as JavaScript, Type Script, React, Angular, or Vue.
* Experience developing responsive and interactive user interfaces.
* Experience integrating user interfaces with RESTful APIs and backend services.
* Experience developing software applications using Python.
* Familiarity with Git or similar source control systems and collaborative software development workflows.
* Experience working in Linux development environments.
* Strong understanding of software development principles, debugging, and application design.
* Strong problem-solving skills with an ability to translate user and operational requirements into effective software solutions.
* Excellent written and verbal communication skills.

Preferred Qualifications
* Experience with React, Type Script, JavaScript, HTML, and CSS.
* Experience designing or implementing UI/UX workflows, dashboards, data visualization, or interactive applications.
* GUI development experience using Qt/PyQt.
* Experience working with design tools such as Figma or collaborating directly with UI/UX designers.
* Experience developing applications that display and interact with large, complex, or real-time datasets.
* Experience with Python data science and analytics libraries including Pandas, Num Py, and Sci Py.
* Experience working with relational and non-relational databases.
* Experience developing supporting backend services using Python, C++, or similar languages.
* Familiarity with Git, Git Lab, JIRA, and Confluence.
* Familiarity with CI/CD pipelines and Dev Sec Ops  practices.
* Experience with automated UI testing or frameworks such as Playwright, Cypress, Selenium, or similar.
* Experience optimizing UI/application performance and responsiveness.
* Experience with multi-threaded or real-time applications.
* Knowledge of signal processing, analytics, or data-intensive applications.
* XMIDAS experience.

Who we are:

Our people are the core of who we are and what we do. NASK has two decades of…
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