Mid-level Full Stack Software Engineer (TS/SCI)

Company: Vantor
Location: Herndon
Posted on: December 2, 2025

Job Description:

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world. To be eligible for this position, you must be a U.S. Person , defined as a U.S. citizen, permanent resident, Asylee, or Refugee. Note on Cleared Roles: If this position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status. Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3). Please review the job details below. Vantor is currently seeking a cleared to join our team. This role will be performed in our Vantor facility located in Herndon, Virginia. As a Vantor team member, you will have the opportunity to closely support our mission partners, and your work will have direct mission impact . In this role, you'll work closely with other software developers as well our infrastructure and cybersecurity teams leveraging open-source tools to create and maintain a diverse range of applications served out to thousands of users. About Us: We are a multi-faceted software development and systems administration team working to build and maintain software applications backed by a self-managed , o n-prem private cloud and big data stack , housing over 15 petabytes of data. Our diverse background of experience in mission support and software development serves as a catalyst to solve unique and challenging technical problems in support of special operations analysts and their on-going activities. Rapid development and frequent, iterative feedback are core to our delivery approach, anchored by a need to work quickly in support of our mission customers What You’ll Be Doing: D eveloping web applications for real-time query and analysis of our petabyte-scale data store, creating distributed analytics purpose-built to support our mission partners, and h elping to con s truct new and m aintain existing data pipelines tasked with automatically retrieving and ingesting data . Your Career: We’re very serious about professional development and continuing education. We offer everyone the opportunity to define their own career trajectory. Supporting our people in the pursuit of becoming true experts in their craft enables not only individual growth but also the collective team to have a high degree of mission impact. We strive to create an environment where team members can do their best work. We provide resources to support learning, set aside time for dedicated professional development and offer benefits that enrich our team members’ lives. Minimum Requirements: Must be a US citizen. Current Top Secret security clearance w/ SCI Eligibility and willing to get a CI poly . Bachelor’s degree in Computer Science , Information Systems, Software Engineering or a related field (4 additional years of experience may be substituted for a Bachelor’s degree. A Master's degree may count as an additional 2 years of experience.). 5 years demonstrated experience with programming, design, and development. In-depth knowledge in Python, Java, or similar programming language. Working knowledge of containerization ( D ocker, P odman ) and container orchestration ( K ubernetes, N omad, etc. ). Experience with ORM software (Django, SQLAlchemy , Hibernate, etc. ) Working knowledge of L inux operating systems (navigating the filesystem, common management commands, etc. ) Understanding of TCP/IP networking and working knowledge of remote system workflows (SSH, port forwarding, server/client architecture, etc. ) Exposure to building and supporting solutions in a cloud like environment ( s uch as OpenStack ) . Working knowledge of agile software development practices and tools, such as GitLab. Must be able to work on-site in Hendon, VA. Preferred Qualifications: E xperience deploying , maintaining , and utilizing an E lasticsearch cluster . Experience with Spark . Experience with Hadoop (HDFS, Y ARN ). Experience using Python web frameworks ( D jango, FastAPI , etc. ). Experience with front-end development using React, Angular, or other JS framework. API Rest Framework development/maintenance. Data flow orchestration using Nifi or similar. Experience with provision and configuration management tools such as Ansible, Terraform, or similar. You are a creative and driven problem-solver who wants to apply breakthrough technologies to support a platform actively used by thousands of users supporting mission . Strong verbal, written, and organizational skills. cjpost LI-CJ1 LI-Onsite Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range. ? The base pay for this position within the Washington, DC metropolitan area is: $113,000.00 - $188,000.00 annually. For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range. Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire. The date of posting can be found on Vantor's Career page at the top of each job posting. To apply, submit your application via Vantor's Career page. EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.

Keywords: Vantor, Chantilly , Mid-level Full Stack Software Engineer (TS/SCI), IT / Software / Systems , Herndon, Virginia