Software Developer TS/SCI
Parsons
Arlington, VA · Posted October 9, 2026
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Where Arlington, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for education pay after cost of living$124k · of 8
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- #3Best cities for software and engineering jobs in the Mid-Atlantic456 openings · of 68
- #4Best cities for aerospace and defense pay after cost of living$152k · of 19
- #4Best cities for AI-skill jobs in the Southeast14% · of 87
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
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- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Parsons has filed 5 layoff notices in the last twelve months, covering 94 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
In a world of possibilities, pursue one with endless opportunities. Imagine Next!
At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.
Job Description:
Parsons is looking for a highly skilled Software Developer to join our Joint Staff Chief Digital and Artificial Intelligence Office (CDAO) team in direct support of Joint Staff J7. In this role, you will design, develop, and sustain operational applications within Maven Smart System (MSS) Foundry to support J7's lessons-learned mission. You will develop user-facing applications, integrate Foundry capabilities with enterprise data warehouse services, and build APIs that enable users and systems to securely access, search, and leverage lessons-learned data.
What You'll Be Doing:
Build, enhance, and maintain J7 operational applications within MSS Foundry in support of Joint Staff mission requirements
Design and develop intuitive user interfaces for submitting, browsing, searching, and interacting with lessons-learned information
Develop custom Foundry applications that leverage processed and curated data from the J7 lessons-learned data warehouse
Design and implement seamless integration between MSS Foundry applications and underlying data warehouse capabilities
Develop and maintain APIs and services to enable secure interaction between Foundry applications, data warehouse services, and external systems
Translate J7 mission requirements and user needs into scalable, maintainable software solutions
Collaborate directly with J7 stakeholders, data engineers, data scientists, and other technical teams to develop and integrate mission capabilities
Troubleshoot, optimize, and sustain applications throughout the software development lifecycle
Develop solutions within secure DoD environments while adhering to applicable security, data governance, and development standards
What Required Skills You'll Bring:
Active TS/SCI security clearance
Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field
Minimum 5 years of experience in software development, application development, or a related technical field
Hands-on experience developing applications using Palantir Foundry / MSS Foundry
Experience developing web-based user interfaces and applications
Experience integrating applications with data warehouses, databases, or enterprise data platforms
Experience developing and consuming REST APIs or similar web services
Proficiency in Python, JavaScript/TypeScript, or similar programming languages
Strong understanding of software development lifecycle, application integration, and troubleshooting
Ability to work directly with mission stakeholders to translate operational requirements into technical solutions
8 years of related experience
What Desired Skills You'll Bring:
Experience supporting Joint Staff J7 or other DoD operational organizations
Experience developing applications within Maven Smart System (MSS)
Experience with Palantir Foundry Ontology, Workshop, Slate, or similar Foundry capabilities
Experience with Databricks or other modern data warehouse/data engineering platforms
Experience integrating Foundry applications with external systems and enterprise APIs
Experience developing applications supporting lessons learned, knowledge management, operational planning, or decision support
Familiarity with SQL, data modeling, ETL/ELT, and data pipelines
Experience working in Agile/Scrum development environments
Familiarity with DoD data security, governance, and compliance requirements
Security Clearance Requirement:
An active Top Secret SCI security clearance is required for this position.
This position is part of our Federal Solutions team.
The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.
Security Clearance Requirement: An active Top Secret SCI security clearance is required for this position.
This position is part of our Federal Solutions team.
The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.
Salary Range: $125,100.00 - $225,200.00
We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!
Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.
We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY!
Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/ .