Aerospace Modeling & Simulation Software Engineer - TS/SCI Clearance
$95k - $193k@Orchard
Job Description
Job Description
Aerospace Modeling & Simulation Software Engineer
(TS/SCI Clearance)
Herndon, VA
@Orchard is retained by a top geospatial technology company in their search for an Aerospace Modeling & Simulation Software Engineer to develop software capabilities that support advanced Intelligence, Surveillance, and Reconnaissance studies for government and commercial customers. In this role, you will build and enhance simulation tools, data processing workflows, analysis applications, and visualization capabilities used to evaluate future space, airborne, and sensor systems.
This is a hands-on technical role for a software developer with an aerospace mindset—someone who enjoys designing practical tools, improving simulation capabilities, working with large technical datasets, and translating complex mission needs into reliable, maintainable software. You will contribute across fast-paced studies and longer-term efforts that help shape the systems and architectures of the future.
Your Role/Responsibilities:
As an Aerospace Modeling & Simulation Software Engineer , you will:
- Design, develop, test, and maintain software tools that support aerospace modeling, simulation, mission analysis, and data visualization.
- Add new features and capabilities to high-fidelity physics based simulators used to evaluate space, airborne, and ISR sensor systems.
- Design and implement modular, maintainable software architectures that enable new simulation features, reusable analysis workflows, and efficient integration with existing modeling and engineering tools.
- Develop scripts, applications, APIs, and data pipelines to support scenario generation, simulation execution, post-processing, analysis, and reporting.
- Work with aerospace engineers, analysts, and customers to translate mission needs, study objectives, and operational concepts into software requirements and technical solutions.
- Build efficient data processing and visualization workflows for large simulation datasets.
- Improve simulator performance, maintainability, usability, automation, and overall workflow efficiency.
- Perform debugging, verification, validation, and QA/QC of software tools, simulation inputs, outputs, and analytical results.
- Apply modern software engineering practices, including version control, testing, documentation, code reviews, and configuration management.
- Collaborate with multidisciplinary teams while also owning independent software development and analysis tasks.
Minimum Requirements:
· This position requires US citizenship and an active TS/SCI clearance, or TS with SCI eligibility, as mandatory for consideration.
- Bachelor’s degree from an accredited college or university in Computer Science, Software Engineering, Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, or a related technical field.
- 5 years experience.
- Experience developing software, scripts, tools, or applications in support of engineering, modeling and simulation, data analysis, or mission analysis.
- Experience with Python, C++, Java, C#, MATLAB, JavaScript, or similar programming languages.
- Familiarity with aerospace systems, space systems, airborne systems, ISR missions, sensors, mission analysis, or simulation environments.
- Willingness to work on-site.
Desired / Preferred Qualifications:
· Advanced degree in Engineering, Computer Science, Mathematics, Physics, or a related technical field.
- 8 years experience.
- Experience developing or modifying modeling and simulation software, engineering analysis tools, mission analysis applications, or simulator frameworks.
- Experience designing modular software architectures, reusable components, APIs, or plugin-based capabilities.
- Working knowledge of satellites, aircraft, ISR sensors, astrodynamics, remote sensing, aerospace systems operations, or complex systems integration.
- Experience with data processing, visualization, algorithm development, numerical methods, statistical analysis, or automated report generation.
- Experience with Python data and scientific computing libraries such as NumPy, pandas, SciPy, Matplotlib, Plotly, or similar tools.
For pay transparency the range of base pay for this position within the Washington, DC metropolitan area is: $95,000.00 - $193,000.00 annually, based on experience.
Established in 2010, @Orchard has an exceptional reputation, providing talent acquisition solutions to time-sensitive, talent scarcity issues to deliver better talent management ROI. Our specialty lies in the critical area of program talent acquisition and resource management, not in one narrow skillset, but across many areas of technical and functional delivery. To learn more about our other exciting opportunities, visit our Jobs Page at .
- ...Job Description Job Description Principal Aerospace Modeling & Simulation Engineer (TS/SCI Clearance) Herndon, VA @Orchard is retained by a top... ...desired. Experience with the design, development and software implementation of complex mathematical algorithms....SuggestedRemote work
- 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...SuggestedShift work
- ...application teams to onboard and troubleshoot, harden the software supply chain and artifact flow, and document platform... ...to scale adoption. Required Qualifications: ~ TS/SCI Clearance ~ BS in Software Engineering or related field ~2-10 years of experience in CI/CD...SuggestedFlexible hours
- ...Job Description Job Description Senior Telecom Software Engineer TS/SCI clearance Herndon, VA Responsibilities: • Conduct telecommunications network analysis, diagnostics, and performance remediation with expertise in protocols such as SS7, SIP, VoIP, TCP/IP,...SuggestedLocal area
$95k - $193k
...U.S. Government security clearance, applicants who do not currently... ....Vantor is seeking an Aerospace Modeling & Simulation Engineer II to support advanced... ...and an active TS/SCI clearance are mandatory for... ...design, development and software implementation of complex...SuggestedFull timeRemote work$155k - $200k
...has an immediate need for a Senior AI Software Engineer to join our growing AI and... ...using generative AI, large language models, retrieval patterns, prompt/context engineering... ...Requirements What You Bring ~ TS/SCI clearances Required (CI poly preferred). ~ Bachelor...Temporary workImmediate startWorldwide- ...Description Full-Time / Contract Support / TS/SCI Clearance Required Position Summary GC2IT is seeking a Software Engineer to design, develop, enhance, and support mission... ...system enhancements and expansions using model-based design principles. · Incorporate...Full timeContract workWork at officeWorldwide
$185k - $220k
...active U.S. Government security clearance, applicants who do not... ...Security Clearance at the TS/SCI level . Do you enjoy being... ...seeking an experienced full stack software engineer to support work across the... ..., and deploying AI/ML or CV models across diverse data types...Full timeFlexible hours$117.2k - $176.7k
.... government background investigation and clearance required for this role.Overview of the Role:Join our Site Reliability Engineering (SRE) team, where you'll work alongside Infrastructure... ...position.This position requires a USA TS/SCI with Polygraph security access level....Full timeWork experience placement- Our client is looking for a Software Engineer - Java . If you're interested please share your updated resume along with your yearly expected... ...Location: Herndon, VA, King of Prussia, PA Active TS/SCI Clearance Basic Qualifications: ~2-10 years of experience in...Full time
$112.2k - $196.4k
...looking for an amazingly talented Full Stack Software Engineer to join our team! In this hybrid role,... ...Bring:U.S. Citizenship with an active TS/SCI clearanceBachelor’s degree in computer... ...concepts to diverse audiences.Security Clearance Requirement:An active Top Secret SCI...Full timeLocal areaFlexible hours- ...Description ***This job requires active TS/SCI clearance with a CI Polygraph. Please apply only... ...Point Technology is hiring a DevOps Engineer to support our Data Centric-Multi-Level... ...combined experience in Linux, scripting or software development, and configuration...Contract workFlexible hours
- ...Position: Oracle Cloud Migration Engineer - TS/SCI Clearance Duration: 12-24 Months Location: Reston, VA (100% onsite) Candidate should have TS/SCI Clearance Job Description Proven 10+ Years of experience cloud migration, digital transformation, or large...Part time
$110.8k - $184.7k
...immediate opportunity for a Software Developer who is excited to... ...excellent understanding of engineering processes supporting large,... ...and an active TS/SCI CI Poly clearance.Essential Duties and Responsibilities... ...every engagement. Our delivery model and unique approaches...Contract workWork experience placementH1bImmediate startMonday to Friday$119.8k - $234.7k
...ContributorTravel: Less than 25%Profession: Software EngineeringDiscipline:... ...for a Senior Software Engineer who is energized by... ...Other Requirements: Security Clearance Requirements: Candidates must... ...Candidates must have an active TS/SCI and be willing and eligible to...Ongoing contractLocal area3 days per week- ...in providing Information Technology, Engineering Services, Program Management, and Consulting... ...objectives.Solerity is seeking a Software Engineer to support a mission-focused... ..., or a related technical field.Active TS/SCI clearance with Polygraph required.Demonstrated experience...For contractorsRemote workFlexible hours
$22.93 - $40.14 per hour
...looking for an amazingly talented Software Engineering Intern/Co-Op to join our... ...Qualifications:Active TS/SCI clearanceQualified candidate... ...concepts including the OSI model, creating/maintaining computer... ...and/or Material-UISecurity Clearance Requirement:An active Top Secret...Full timeInternshipFlexible hours- Senior Software Engineer TS/SCI FSPDepartment: Government Customer- HerndonLocation: Herndon, VAACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITIONSenior Software Engineer:Analyzes user interfaces, maintain hardware and software performance...
- ...providing Information Technology, Engineering Services, Program Management... ....Solerity is seeking a Software Engineer to support a... ...deployment. Develop conceptual models, workflows, user interface designs... ...technical field. Active TS/SCI clearance with Polygraph required. Demonstrated...Temporary workFor contractorsLocal areaRemote workFlexible hours
$200k
...TechnologyJob Location: Herndon, VirginiaSecurity Clearance: TS/SCIBusiness Unit: Zachary PiperPosition Owner: Jesse BowersJoin Our Team as a Software Engineer at Zachary Piper Solutions!Are you a... ...(e.g., AWS, Azure, GCP)Active TS/SCI Security Clearance is required to start...Work at office- ...Position: Oracle Cloud Migration Engineer - TS/SCI Clearance Duration: 12-24 Months Location: Reston, VA (100% onsite) Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. Candidate should...
- OverviewV2X is seeking a DevOps Engineer with an active TS/SCI with Poly clearance who will be responsible for taking a leadership role in refactoring existing data workflows from an on-premises infrastructure to the cloud. The ideal candidate is a hands-on developer with...
- ...Job Role: Software Engineer - Front End Developer Location: Herndon, VA Duration: Hybrid, Onsite Clearance: Active TS/SCI Requirements: - Experience in developing and maintaining web applications - Strong experience with JavaScript, React, HTML, CSS, and...Full time
- ...Own the opportunity as a Software Developer and help ensure the... ...knowledge in creating advanced models and diagrams that show... ...Government customer architecture/engineering board experience... ...with ETL tools Security Clearance Level : TS/SCI w/ Polygraph Location:...
- ...POSITION TITLE: ServiceNow Developer CLEARANCE REQUIRED: Top Secret (TS) The work you build here won’t... ...AI-enabled, outcome-based delivery model, where technology accelerates execution... ...be willing and eligible to obtain SCI access as required for the role. ~...Contract workWork at officeFlexible hours
- ...Description Transform technology into opportunity as a Software Engineer SME at GDIT. Shape what’s next for mission-critical... ...skills: JavaScript, React, Node.js, AWS ● Security clearance level: TS/SCI with Polygraph ● US citizenship required ● Role requirements...
- ...Description *****MUST HAVE TS/SCI WITH ABILITY TO OBTAIN A CI POLY CLEARANCE***** For Principal... ...management processes, database engineering and management,... ...enterprise architecture models (if needed) and data abstraction... ...installing application software in an operational...
- ...applications by applying engineering and technology principles... ...0+ years of experience CLEARANCE: Active TS/SCI clearance with poly US... ...Swing), Apache Tomcat, UML modeling, Linux, file transfer protocols... ...Explore a career in software development at GDIT and you...
$72.7k - $149.2k
Job Title: Front End Software Developer-TS/SCI with PolyJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type... ...degree in Computer Science, Software Engineering, or a related field or equivalent work...Contract workWork experience placementWork at officeLocal areaFlexible hours3 days per week- ...solutions to complex problems as a Cloud Engineer at GDIT. Here, you’ll tailor cutting-... ...your career growth ours. The Cloud Software Engineer serves as a technical Subject... ...core hours, 9am - 3pm Security Clearance: TS/SCI with Polygraph US Citizenship Required...Full timeContract workWork experience placement
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Aerospace Modeling & Simulation Software Engineer - TS/SCI Clearance. Be the first to apply!
- scientific software engineer Herndon, VA
- intel software engineer Herndon, VA
- director software engineering Herndon, VA
- software engineer Herndon, VA
- senior robotics software engineer Herndon, VA
- financial software developer Herndon, VA
- part time software developer remote Herndon, VA
- software engineer remote Herndon, VA
- part time software developer Herndon, VA
- ngo software engineer Herndon, VA





