Junior Software Engineer (Modeling & Simulation) TS/SCI
Tenica and Associates
Junior Software Engineer – Modeling & Simulation (Full-Stack) - TS/SCI Department: Govt Customer-ChantillyLocation: Chantilly, VAACTIVE TS/SCI CLEARANCE REQUIREDAbout the ProgramWe are architecting a next-generation ecosystem designed to maintain a decisive competitive advantage in the future of warfare. Our focus is on building an environment that allows for rapid customization, seamless adaptation, and unmatched agility. By joining this program, you will be directly contributing to advanced capabilities that ensure our strategic and tactical dominance.The RoleWe are seeking a driven, adaptable, and "scrappy" Junior Software Engineer to join a highly focused, tight-knit team. Your primary mission will be helping to build a robust modeling and simulation (M&S) capability focused on communication networks for the defense sector.This is not a siloed position. We need a versatile coder who is comfortable diving into any part of the stack—from backend logic and database integration to deployment pipelines. The most critical requirement for this role is not years of experience, but an aggressive, relentless drive to tackle and solve incredibly hard problems.What You Will DoFull-Stack Development: Write clean, adaptable code across various layers of the technology stack to support complex M&S tools and communication models.Rapid Iteration: Work within a small team to quickly prototype, build, and deploy custom solutions that adapt to emerging tactical needs.Problem Solving: Dive headfirst into ambiguous technical challenges, taking ownership of roadblocks and finding scrappy, effective workarounds.Data Integration: Structure and query databases to handle the complex, dynamic data required for robust simulations.Required QualificationsClearance: Active TS/SCI clearance is strictly required.Technical Foundation: Proficiency in at least one Object-Oriented Programming (OOP) language (e.g., Python, Java, C++).Version Control: Solid working knowledge of Git and collaborative coding workflows.Data Systems: Working knowledge of databases (e.g., relational, graph, or NoSQL) and how to interact with them programmatically.The "X-Factor": A demonstrated, aggressive appetite for solving difficult problems, learning new technologies on the fly, and adapting to shifting requirements.Preferred QualificationsInfrastructure & Deployment: Knowledge of containerization and orchestration tools, specifically Docker and Kubernetes, to support our highly adaptable software ecosystem.Domain Interest: Familiarity with or interest in agent-based modeling, geospatial data, or complex systems simulation is a plus.TENICA is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
$116k - $275k
...review the job details below.Vantor is seeking an Aerospace Modeling & Simulation Software Engineer to develop software capabilities that support advanced... ...of the future. Note: U.S. citizenship and an active TS/SCI clearance are mandatory for this position and required...SuggestedFull timeRemote work$86k - $138k
...dynamic Performance Engineering and Analysis team,... ..., and enhance models and analytical tools... ...multiple modeling and simulation environments.... ...STEM degree program.Junior-level working... ...data visualizations.TS/SCI clearance adjudication... ...knowledge of Software Development Frameworks...JuniorContract workShift work$88.4k - $154.7k
...currently searching for a full-time Software Developer Junior position at our Herndon &... ...Be Doing:Work closely with engineers, analysts, and other... ...structures, and algorithmsTS/SCI is requiredMinimum of 1 years... ...Processing, ThreadingAn active TS/SCI w/polygraph is...JuniorFull time- ...providing Information Technology, Engineering Services, Program Management,... ....Solerity is seeking a Software Engineer to support a mission... ...deployment. Develop conceptual models, workflows, user interface... ...related technical field. Active TS/SCI clearance with Polygraph...SuggestedTemporary workFor contractorsLocal areaRemote workFlexible hours
- Software Engineer/Developer TS/SCI FSPDepartment: Government Customer- ChantillyLocation: Chantilly, VAACTIVE TS/SCI CLEARANCE with FS poly REQUIREDSoftware Engineer/Developer (Any Level)Responsibilities:Significant proficiency in an object oriented programming language...Suggested
$110.8k - $184.7k
...immediate opportunity for a Software Developer who is excited to apply... ...excellent understanding of engineering processes supporting large,... ...certification and an active TS/SCI CI Poly clearance.Essential Duties... ...engagement. Our delivery model and unique approaches harness...Contract workWork experience placementH1bImmediate startMonday to Friday- ...Transform technology into opportunity as an AI Software Engineer (SME) with GDIT. We are seeking a hands... ...technologies, including Large Language Models (LLM), Retrieval‑Augmented Generation (... ...: 10+ years Security clearance: TS/SCI with Polygraph Location: Chantilly,...For contractorsWork experience placement
$103.5k - $181.1k
...candidates to fill a Junior Digital Signal Processing Engineer (DSP) positions at... ...Implement DSP algorithms in software and/or hardware... ...simulations, testing, and debugging... ...related disciplineTS/SCI is requiredMinimum of... ...challengesAn active TS/SCI w/polygraph is preferredSecurity...JuniorFull time$93.66k - $107.71k
...Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be... ...Required: None Job Family: Software Engineering Job Qualifications: Skills: AWS... ...experience Security clearance level: TS/SCI with Polygraph US citizenship required...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours- ...Description Job Description Full Stack Software Developer / SME Falls Technology LLC... ...Location: Chantilly, VA Clearance: Active TS/SCI with Polygraph required Falls... ...incorporating graph databases and link-analysis data models into applications. Experience...
- ...opportunity. And our work depends on a Software Developer joining our team to support Government... ...Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or... ...Security Clearance Level: TS/SCI with Polygraph Desired experience with...Work experience placement
$93.66k - $107.71k
...Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be... ...Required: None Job Family: Software Engineering Job Qualifications: Skills: ElasticSearch... ...experience Security clearance level: TS/SCI with Polygraph US citizenship...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours$92.3k - $166.85k
...opportunity for an experienced Civil Engineer to support highly specialized... ...buried hardened structures.3D Modeling & SimulationUtilize advanced CAD and engineering simulation tools to develop accurate 3D... ...an in-scope and active TS/SCI Polygraph clearance and the ability...Full timeFor contractors$107.9k - $195.05k
...seeking an experienced Mechanical Engineer to support critical national... ...evaluate facility systems, model critical infrastructure,... ...operational bottlenecks.3D Modeling & Simulation: Build high-fidelity 3D... ...possess an in-scope and active TS/SCI Polygraph clearance and the...Full timeFor contractors- ...Junior Software EngineerCareers At TENICA We believe that every person... ...share those values!ACTIVE TS/SCI CLEARANCE REQUIRED Job... ..."scrappy" Junior Software Engineer to join a highly focused,... ...helping to build a robust modeling and simulation (M&S) capability focused on...JuniorShift work
$90k - $130k
...proud to boast a world-class engineering team that thrives on... ...challenges. Dark Wolf is seeking a Junior / Entry-Level AI Software Engineer to support the... ...Citizen holding an active TS/SCI security clearance with an... ...PyTorch or TensorFlow. AI Models: Basic understanding of...JuniorFull timeFor contractors- ...support this mission, we are seeking a Software Systems Engineer to join our team. In this role, you... ...scientific analysis and mathematical models to predict outcomes and ensure our systems... ...range of difficult problems. Active TS/SCI clearance with FS Polygraph. Bachelor’...JuniorContract work
- ...Job Description Job Description *Active TS/SCI w/ FS Poly required prior to application The Front-End (Angular) Software Engineer will design and develop complex new software products, or make significant enhancements to existing software. The ideal candidate...
- ...Job Description Job Description Data Engineer Chantilly, Va *Active TS/SCI w/ FSP required prior to application The Software Engineer will design and develop complex new software products, or make significant enhancements to existing software. The candidate...Work at office
$122.5k
Full Stack Software Engineer is needed for a direct hire onsite opportunity with SOC's client in Herndon, VA. Must currently hold an Active TS/SCI clearanceJob Description: Our client is seeking a Full Stack Software Engineer to join our team. You will work on an integrated...- ...the job details below.Vantor is seeking multiple Full Stack Software Development Engineers of varying experience and seniority. You will work on an... ...Minimum requirements: Must be a US citizen with a current TS/SCI clearance. Bachelor's degree or higher in Software Engineering...Full time
$87.1k - $157.45k
...at Leidos is seeking Software Developers at multiple... ...and requires an active TS/SCI with Polygraph for consideration... ...Systems, Systems Engineering, or related field with... ...developing analytic, simulation, or scenario-based... ...development efforts and mentor junior engineersPrincipal...Full timeFor contractors- Software DeveloperDepartment: Govt Customer- Chantilly, VALocation: Chantilly, VATENICA is looking to hire a Software Developer. Must have active TS/SCI with FS poly.Required Skills and Demonstrated Experience: Demonstrated experience as a developer.Demonstrated experience...
$135k - $175k
Job description: Software Engineer Simulation, Optimization & Decision SupportJoin a team building mission... ...simulations and optimization models usable and across the full lifecycle,... ...Top Secret clearanceNice to HaveActive TS/SCI clearanceExperience with performance-...- ...leader in providing Information Technology, Engineering Services, Program Management, and... ...critical objectives.Solerity is seeking a Software Engineer to support a mission-focused organization... ..., or a related technical field.Active TS/SCI clearance with Polygraph required....For contractorsRemote workFlexible hours
- ...active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.Vantor is seeking a Software Engineer to join our team. In this position you will... ...microservices that integrate ontology-driven data models, knowledge graphs, and enterprise data sources to...Full time
- ...Overview We are seeking a senior AI Engineer to lead the design, development,... ...serve, and tune large language models and ML models on-premises or in... ...Qualifications ~ Active TS/SCI with polygraph ~8+ years of professional software development experience (or 6+ with...
- ...We are seeking a mid-level AI Software Developer to build and integrate... ...direction of the Senior AI Engineer, you will implement machine learning and large language model capabilities within established... ...Required Qualifications ~ Active TS/SCI (poly required or in process)...Full time
$155k - $200k
...has an immediate need for a Senior AI Software Engineer to join our growing AI and Automation... ...capabilities using generative AI, large language models, retrieval patterns, prompt/context... ...Requirements What You Bring ~ TS/SCI clearances Required (CI poly preferred)...Temporary workImmediate startWorldwide- ...our clients. With a career in software development, you’ll make the... ...needs ~ Creates a variety of models and diagrams that show... ...Education: Bachelor’s degree in engineering, Computer Science, or other related... ...Security Clearance Level: TS/SCI w/ Poly (or eligibility)...
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