Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Developer (Systems Software)

Ardent Principles Inc

Software Developer (Systems Software)

Application Deadline: 6 July 2026

Department: Data Analysis and Technology Services

Employment Type: Full Time

Location: Chantilly, VA

Description

REQUIRED : Active TS/SCI with Full Scope Polygraph
LOCATION: Full-time onsite in Chantilly, VA


We are looking for a Software Developer with experience developing Python applications and delivering datadriven solutions in complex mission environments. The ideal candidate brings experience with ML frameworks-including scikitlearn, SpaCy, TensorFlow, PyTorch, and Keras-along with strong proficiency in Natural Language Processing techniques. This role requires demonstrated experience developing cloudbased solutions using AWS services, building and consuming REST services, and working with SQL databases such as Postgres. Candidates should also be comfortable applying search syntax such as ICQL and Retrieval Ware, assessing customer requirements with analytical precision, and creating innovative, scalable solutions.


Who We Are: We offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management.

Passionate Integrity, Driven by Excellence
Ardent Principles offers a competitive salary range and a comprehensive, industryleading benefits package designed to support longterm stability and employee wellbeing. We provide more than a position-we offer a workplace committed to excellence, integrity, and missionfocused impact. Our mission is to act as a bridge between satisfied clients and fulfilled employees, ensuring that your job and well-being are our top priorities because your satisfaction leads to the success of our clients.

Join us as we continue building the future of secure, highimpact solutions.

Key Responsibilities

In this challenging yet rewarding role, you are an integral part of what brings our Company's mission to life. You must have the following required skills, certifications and demonstrated experience in and/or with:
  • Developing Python applications with data science libraries.
  • Working with:
    • ML frameworks like scikit-learn, SpaCy, TensorFlow, PyTorch, Keras.
    • Natural Language Processing techniques.
    • AWS Services and Cloud based development.
    • REST services.
    • SQL, including Postgres.
    • Search syntax to include ICQL and Retrieval Ware.
  • On-the-job experience exhibiting analytical skills to assess customer requirements and create innovative solutions.
  • On-the-job experience exhibiting problem solving skills to include debugging and testing web applications.
Highly Desired Qualifications

Other skills and demonstrated experiences with or in the following are highly desired but not mandatory to perform the work include:
  • Practical application of engineering science and technology, including applying principles, techniques, procedures, and equipment to the design and production of various goods or services.
  • Design, such as design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
  • Project Management:
    • processes, procedures and tools
    • concepts and principles
    • planning and management skills, including scope of work, time estimation, and resource assignment.
  • Technology Design, such as generating or adapting equipment and technology to serve user needs.
  • Troubleshooting:
    • such as determining causes of operating errors and deciding what to do about it.
    • problem solving both technical and non-technical issues with equipment, systems, networks, and computer operations.
    • problem-solving issues related to development across multiple security boundaries including both high and low side environments.
  • Systems Analysis, such as determining how a system should work and how changes in conditions, operations, and the environment will affect outcomes.
  • Operations Analysis, such as analyzing needs and product requirements to create a design.
  • Identifying technology gaps in current capabilities and processes.
  • Developing a project plan and workflow based on a project management model.
  • Conveying technical information to non-technical individuals.
What We Offer You
  • Highly Competitive Salary : Recognizing and rewarding your expertise and contributions.
  • Generous Paid Time Off : Providing ample time for rest, relaxation, and personal pursuits.
  • Dedicated Training Budget : Supporting continuous learning and professional development.
  • 100% Employer-Covered Family Vision, Dental, and Health Insurance : Ensuring comprehensive health coverage for you and your family.
  • 100% Employer-Covered Life and Disability Insurance : Offering financial security and peace of mind.
  • 401(k) Plan with a 6% Employer Match : Helping you plan and save for a secure retirement, with 100% vesting from day one.
  • 11 Paid Government Holidays : Observing national holidays to ensure time off with family and friends.
  • Spot Bonuses for Exceptional Performance : Rewarding outstanding contributions and achievements.

SCHEDULE:

This is a full-time position with consultants expected to be available and working onsite in Chantilly, VA during core hours.

Ready to take the next step in your career? Join us and be part of a team dedicated to driving positive change through technology. Apply now with our easy 3-minute, mobile-friendly initial application process. Your future starts here!
Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Software Developer (Systems Software) in Chantilly, Loudoun County, VA vacancy
  • $225k

     ...service and application development to enhance and develop mission-based solutions and support other program office software projects. Please Note: This job requires an...  ...what to do about it. Demonstrated experience in Systems Analysis, such as determining how a system... 
    Suggested
    Work at office
    Local area

    Dezign Concepts LLC

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...demonstrated cybersecurity expertise. Experience developing classification tools using C, C++, Visual...  ...CSS web user interfaces. Experience conducting software compatibility tests with programs, hardware, and operating systems. Experience developing testing programs that... 
    Suggested
    Full time

    Cognitio Corp

    Chantilly, Loudoun County, VA
    5 days ago
  • $10k

     ...our industry. Support the customer with software development. Due to federal contract requirements...  ...experience designing and architecting systems using modern techniques such as services...  ...automated test scripts at the developer level Demonstrated experience developing... 
    Suggested
    Full time
    Contract work
    Temporary work
    Summer work
    Immediate start

    Wyetech LLC

    Chantilly, Loudoun County, VA
    14 hours ago
  •  ...Software Developer (Systems Software) Application Deadline: 29 May 2026 Department: Data Analysis and Technology Services Employment Type: Full Time Location: Chantilly, VA Description REQUIRED : Active TS/SCI with Full Scope Polygraph LOCATION: Full-time onsite in Chantilly... 
    Suggested
    Full time

    Ardent Principles Inc

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic...  .... Job Overview: The Customer is seeking and Software Developer to provide support in an Agile development environment developing... 
    Suggested
    For contractors
    Local area
    Immediate start

    J5 Consulting

    Chantilly, Loudoun County, VA
    2 days ago
  • $3,000 per month

     ...Overview Acuity is growing and looking to hire an additional Software Developer (Systems Software) to support a team specializing in designing, engineering, implementation, development and maintenance of enterprise quality mission systems, networks, and applications... 
    Work from home

    Acuity

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic...  ...mission excellence on programs of national importance. The Software Developer will be a part of an integrated team to create, update, and... 
    For contractors
    Local area
    Immediate start

    J5 Consulting

    McLean, VA
    2 days ago
  •  ...Software Developer (Systems Software) McLean, VA RV-SD-MCL-001 Support a team specializing in the design, engineering, implementation, development, and maintenance of enterprise-quality mission systems, networks, and applications. DevOps position. Mandatory... 

    Convirgence

    McLean, VA
    3 days ago
  •  ...Core4ce is seeking a skilled Full Stack Developer to design, develop, and maintain modern web applications that support mission-driven initiatives. A Full-Scope polygraph is required, no exceptions. Responsibilities Build scalable, secure applications using modern JavaScript... 
    Flexible hours

    Core4ce Careers

    McLean, VA
    1 day ago
  •  ...DevOps Systems Engineer Location: Chantilly, VA Clearance: Active TS/SCI w/ Polygraph needed to apply Company Overview: Cornerstone...  ..., and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering... 
    Work at office
    Worldwide

    Cornerstone Defense

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...advanced full-spectrum cyber, data operations, systems integration and intelligence mission...  ..., lifecycle mission enablement, and software modernization. Nightwing brings disruptive...  ...with the opportunity to design and develop innovative software solutions as part of... 
    Work experience placement
    Immediate start
    Remote work

    Nightwing

    Herndon, VA
    3 days ago
  •  ...motivated and self-directed professional to fill the role ofDevOps Systems Engineer to support our team in Chantilly, VA. The candidate...  ..., and orchestrate the deployment of system platforms and software. The platform environment consists of both on-prem and cloud-based... 
    Full time
    Local area

    G-Force Solutions

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...Description This position is for a Cloud and Systems Engineer to join our team in Chantilly, VA. The team is comprised of highly technical and motivated individuals. The engineer for this role will assist in the operation, automation, and support of hybrid infrastructure... 

    Fairygodboss

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...Overview Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With...  ...support, and cybersecurity. We are trusted partners developing approaches and concepts to meet emerging high priority needs,... 
    Full time
    Work at office
    Immediate start

    Arena Technologies LLC

    Chantilly, Loudoun County, VA
    1 day ago
  •  ...seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA   The...  ...limited to: Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new... 
    Full time
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    13 hours ago
  •  ...support this mission, we are seeking a Senior Mobile Applications Developer & Systems Engineer to support a critical Intelligence Community (IC)...  ...vendors to communicate mission requirements and evaluate software (Commercial, FOSS, and GOTS). Integrate geospatial... 
    Contract work

    Redhorse Corporation

    Chantilly, Loudoun County, VA
    8 days ago
  •  ...an immediate need to add an experienced: Software Applications Engineer Location:...  ...insights. This project requires an application developer to support, maintain, and enhance existing...  ...mitigation guidance for enterprise-wide systems. Desired: Experience developing... 
    Immediate start
    Shift work

    ARMISON TECH, INC.

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...Overview TeleWorld Solutions is seeking a motivated Software Developer Intern to join our engineering team. In this role, you will assist...  ...processing, and ensure a seamless connection between our backend systems and our management console. Why does this matter to you? As... 
    Internship

    Teleworld Solutions

    Chantilly, Loudoun County, VA
    3 days ago
  • $111.8k - $221.8k

     ...government forward! Job Description : The Full Stack Software Developer will work with the Lead Architect to maintain and enhance the...  ...coding, and delivering APIs and integrations with other software systems and databases. Here's what you'll need : ~10+ years of... 
    Live in
    Work at office
    Local area

    Accenture

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...The Developer will work with the Lead Engineer and fellow team members to design, develop, test, and deliver completed software solutions in an Agile environment. Developers contribute to all...  ...integrations with other software systems and databases. Developers participate... 
    Flexible hours

    Newgen

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Overview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or...  ...Angular, and Django (Python). Familiarity with database systems and SQL, and experience in designing and optimizing database... 

    VTG

    Chantilly, Loudoun County, VA
    4 days ago
  • $50k - $290k

     ...in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science...  ...for an experienced Full Stack Software Developer. You will work with the lead developer...  ...APIs, and integrate with other software systems and databases. The position is in... 
    Contract work
    Work experience placement

    The Swift Group

    Chantilly, Loudoun County, VA
    4 days ago
  • $86.8k - $198k

     ...Full Stack Software Developer – Senior‑level full stack developer responsible for designing, developing, and deploying end‑to‑end software...  ...environment. This role involves developing production‑ready systems from vision through delivery, mastering new tools, and identifying... 
    Full time
    Part time
    Local area

    SwiftCruit

    Chantilly, Loudoun County, VA
    2 days ago
  •  ...Software Developer (Full Stack Developer) Chantilly, VA SV-SD-CHY-001 Responsibilities include: - Analyzing client and business requirements and designing appropriate cloud-based systems and architectures - Developing, testing, and debugging cloud-native applications... 

    Convirgence

    Chantilly, Loudoun County, VA
    3 days ago
  • $3,000 per month

     ...Acuity is growing and looking to hire an additional Software Engineer / Full Stack Developer supporting a backend development team focused on middleware...  .... Demonstrated experience with Linux operating systems such as CENTOS. Demonstrating experience designing... 
    Work from home

    Acuity

    Chantilly, Loudoun County, VA
    4 days ago
  •  ...development efforts to deliver a complete software solution. This position is for work...  ...APIs and integrations with other software systems and databases. Architect for optimal use...  ...data management tools such as SQL and XML. Developing and maintaining unit test scripts.... 
    Contract work

    Cornerstone Defense

    Chantilly, Loudoun County, VA
    4 days ago
  • $111.8k - $221.8k

     ...Full Stack Software Developer At Accenture Federal Services, nothing matters more than helping the US federal government make the nation...  ...coding, and delivering APIs and integrations with other software systems and databases. Here's what you'll need: ~10+ years... 
    Live in
    Local area

    Accenture Federal Services

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Software Developer (Full Stack Developer) Department: Data Analysis and Technology Services Employment Type: Full Time Location: Chantilly...  ...optimizing serverless functions that power scalable, modern systems. Key Responsibilities Analyzing client/business requirements... 
    Full time
    Remote work

    Ardent Principles Inc

    Chantilly, Loudoun County, VA
    5 days ago
  • $86.8k - $198k

     ...Job Number: R0226707 Full Stack Software Developer The Opportunity: As a full stack developer, you can resolve a problem with a complete...  ...for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Chantilly, Loudoun County, VA
    5 days ago
  • $117.3k - $175.9k

    ## Software Systems EngineerApplylocations: Chantilly, VAtime type: Full timeposted on: Posted Todayjob requisition id: R015740The Aerospace...  ...** Lead Software Development teams across the corporation to develop cross-domain space solutions* Develop software in a modern... 
    Full time
    Immediate start
    Remote work
    Relocation package
    Flexible hours

    The Aerospace Corporation

    Chantilly, Loudoun County, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Developer (Systems Software). Be the first to apply!