CODE Plus, Inc., an experienced IT government contractor in Fairfax, VA with offices in Huntsville, AL and have been in business for 31 years and have been servicing different agencies within the Federal sector. Our mission is to deliver high-quality, cost-effective solutions that empower our clients to achieve their goals. At CODEplus, we value teamwork, integrity, and technical excellence, and we pride ourselves on maintaining long-standing partnerships built on trust and results.
CODEplus is seeking a Human Landing System (HLS) Requirements and Interface Systems Engineer that will work in a highly integrated team performing technical and integration activities to support main propulsion systems and launch vehicles.
Location: Huntsville, AL (Onsite) - must be willing to relocate to Huntsville, Alabama.
Clearance: U.S. Citizenship Required
HLS Requirements and Interface System Engineer ES3
Description
This candidate will provide systems engineering and integration support to the Systems Design & Definition Branch (EV72) for the Human Landing System (HLS) elements and to the MSFC Systems Engineering and Integration Division (EV70).
The candidate will coordinate and interface with multiple HLS engineering disciplines, system elements, cross-program elements, and customers, as well as participate in HLS reviews, meetings, working groups, task teams, and trade studies. The candidate will provide support for the development and integration of systems engineering solutions of key systems engineering products including requirements specifications, support program/project deliverables and subsequent activities where these products are assessed and matured. The successful candidate will work with the Human Landing System element customers/partners from inception to deployment to ensure stakeholder needs are satisfied.
System engineering support to be provided by the candidate includes the following responsibilities:
Support development of HLS requirements and verification products and ensure compliance with these requirements during development, testing and evaluation of HLS sub-elements.
Provide technical integration with other engineering disciplines, the HLS Program, and cross-program elements, including risk-based insight/oversight through assessment of requirements and verification activities.
Support the HLS Lead Systems Engineer (LSE) and Engineering Discipline Lead Engineers (EDLEs) to evaluate prime contractor deliverables, including assessments of element Detailed Verification Objectives and verification of allocated end item specification requirements.
Support for performing systems engineering tasks and assessments to support the HLS Program through reviews, meetings, working groups, trade studies and development of key systems engineering products to support program milestones.
Support for developing integrated schedules and other tracking mechanisms to manage the work and identify risks and opportunities.
Support for implementing Digital Engineering best practices, approaches, techniques, and tools.
Communicate technical issues, risks, best practices and lessons-learned related to products, technical positions, requirement management, and V&V practices and develop integrated schedules and other tracking mechanisms to manage systems engineering tasks.
Identify, describe, and communicate potential risks related to the products, processes and interactions in the systems engineering processes and document them in the NASA Risk Management System.
Qualifications
A degree in Aerospace, Mechanical or Systems Engineering or related field is required. Degree from an ABET accredited institution is preferred. Typically, educational requirements are the equivalent of a BS degree with 5+ years of relevant experience in systems engineering and integration, launch vehicle definition, functional design, design integration, launch vehicle performance analyses, flight evaluation planning, requirement verification, and/or requirement validation.
Applicants must have the following required qualifications:
Ability to function in a self-directed dynamic work environment as an effective team member, willing to assume a leadership role in the HLS systems engineering effort.
Education and/or experience in systems engineering principles and practices, including requirements, verification strategies, and verification planning.
Familiarity with working across organizational boundaries and engineering disciplines to facilitate and execute program systems engineering tasks and resolve systems integration issues.
Familiarity with Systems Engineering policies and procedures related to verification and experience with using tools/systems to manage verification compliance data.
Familiarity with developing and delivering briefings, with strong oral, written, and customer relation skills, and proficiency using Microsoft Office Suite (Word, Excel, PowerPoint, and Outlook).
Education and/or experience with Digital Engineering tools, such as: DOORS Next Generation, Jira, MagicDraw, or similar tools.
Applicants should also have one or more of the following desired qualifications:
Experience with defining and managing interfaces, interface requirements, and interface verification.
Familiarity with NASA Systems Engineering policies and procedures.
Familiarity with aerospace vehicles and system design.
Demonstrated experience working across organizational boundaries and engineering disciplines to facilitate and execute program systems engineering tasks and resolve systems integration issues.
Knowledge of the current Artemis program and a working understanding of interface requirement and control documentation.
Knowledge of launch vehicle programmatic planning processes and experience performing oversight of prime contractor hardware production, test, and certification efforts.
Certification in Model Based System Engineering (MBSE), particularly Object Management Group® (OMG)-Certified Systems Modeling Professional™ (OCSMP™) Certification
Familiarity with the development of requirements and traceability to ensure compliance during development, testing and evaluation of sub-elements.
Read LessCODE Plus, Inc., an experienced IT government contractor in Fairfax, VA with offices in Huntsville, AL and have been in business for 31 years and have been servicing different agencies within the Federal sector. Our mission is to deliver high-quality, cost-effective solutions that empower our clients to achieve their goals. At CODEplus, we value teamwork, integrity, and technical excellence, and we pride ourselves on maintaining long-standing partnerships built on trust and results.
We are seeking a 3D Developer / Game Developer with Virtual Reality (VR) and Extended Reality (XR) experience to support U.S. Army training and education initiatives at CASCOM in Fort Lee,VA.
Program: U.S. Army – CASCOM
Location: Fort Lee, VA (Onsite)
Clearance: As required by Army contract
Citizenship Requirement: U.S. Citizenship
In this role, you will design and develop immersive, interactive 3D training applications that enhance learning through real-time simulation and experiential environments. You will collaborate closely with on-site Subject Matter Experts (SMEs) and cross-functional teams to build high-quality, performance-optimized solutions across desktop, web, and immersive platforms (VR/AR/MR).
This is a hands-on development role requiring both technical expertise and creative problem-solving to transform instructional concepts into engaging, mission-focused training tools.
Key ResponsibilitiesCollaborate with SMEs and stakeholders to define requirements, learning objectives, and technical solutions for immersive training applications.Design and develop interactive 3D and VR/XR training experiences using modern game engines.Create and optimize 3D assets (modeling, texturing, rigging) for real-time performance across platforms, including VR/AR devices.Develop low-polygon assets and texture atlases suitable for WebGL and real-time simulation environments.Build and implement immersive interactions, user experiences, and spatial interfaces for VR/XR applications.Use Autodesk 3ds Max and/or Maya to create production-ready 3D assets.Integrate assets into Unity as FBX files and ensure proper scaling, lighting, and performance optimization.Develop scripts and application logic in Unity (C#) to support gameplay systems, simulation logic, and user interactions.Design and implement intuitive UI/UX systems, including VR/XR interaction patterns and Unity Canvas-based interfaces.Support testing, debugging, and performance optimization across multiple platforms, including VR headsets.Work closely with instructional designers, developers, and program stakeholders to ensure solutions align with training objectives.Required QualificationsExperience developing 3D applications or games using real-time engines (Unity preferred).Demonstrated experience building or contributing to VR, AR, or XR applications.Proficiency in Autodesk 3ds Max and/or Maya for 3D asset creation.Strong experience with Unity 3D, including scripting (C#), asset integration, and scene development.Understanding of real-time rendering, performance optimization, and low-poly modeling techniques.Familiarity with VR/XR interaction design principles (hand tracking, controllers, spatial UI, etc.).Strong attention to detail and ability to translate requirements into functional, user-friendly 3D experiences.Ability to collaborate effectively with SMEs and multidisciplinary teams in an on-site environment.Preferred QualificationsExperience developing VR/XR training simulations for government, military, or enterprise environments.Familiarity with VR platforms (e.g., Meta Quest, HTC Vive, HoloLens, or similar).Experience deploying applications to WebGL or cross-platform environments.Background in simulation, serious games, or instructional technology.Experience designing immersive UX/UI systems for VR/AR environments.Knowledge of Agile or iterative development processes. Read LessCODE Plus, Inc., an experienced IT government contractor in Fairfax, VA with offices in Huntsville, AL and have been in business for 31 years and have been servicing different agencies within the Federal sector. Our mission is to deliver high-quality, cost-effective solutions that empower our clients to achieve their goals. At CODEplus, we value teamwork, integrity, and technical excellence, and we pride ourselves on maintaining long-standing partnerships built on trust and results.
CODEplus is currently seeking a Dynamics, Controls, Modeling, Simulation and Analysis SME to support its operations in Huntsville, AL.
The Space Exploration Division (ASED) Guidance, Navigation, and Control (GN&C) team is a high performing group executing challenging tasks to design and integrate GN&C systems for projects ranging from CubeSats to NASA’s Space Launch System (SLS).
We are searching for highly qualified candidates to support the design, development, and oversight of the Human Lander Systems Program in the Control Systems Design and Analysis branch at NASA’s Marshall Space Flight Center as a Dynamics, Controls, Modeling, Simulation, and Analysis Subject Matter Expert. This exciting work will serve as a critical step in sending humans back to the Moon, Mars and beyond!
Responsibilities include but are not limited to:
Provide technical leadership, guidance, and mentoring to project/program team membersDevelop and/or oversee the development, verification, and validation of launch vehicle, spacecraft, and lander control systems.Model, develop, simulate, and analyze launch vehicle, spacecraft, and lander dynamics and control system performance and stability.Resolve complex problems pertaining to the design, development, analysis, integration, evaluation, testing, and verification of control systems and 6-DoF models and simulations.Develop, modify, maintain, and improve software simulations, tools, and scripts.Periodically analyze HLS partner’ flight data and present findings to NASA management.Create, edit, and debug software written in MATLAB, Simulink, and Simscape.Configure, conduct, and analyze 6-DoF Monte Carlo simulations.Conduct trades studies and/or sensitivity analyses related to launch vehicles and spacecraft control.Mentor junior engineers in conducting control system modeling, simulation, and analysis.Prepare and present technical reports and/or briefings including visualization of results.Create and review engineering and software documentation.Qualifications
A degree in Aerospace, Mechanical or Electrical Engineering or related field from an ABET accredited institution is required. Typical experience requirements are the equivalent of a PhD with at least 19 years of experience, a master’s with at least 23 years of experience, or BS with at least 25 years of experience. Proof of U.S. Citizenship is required.
Required skills/experience:
Ability to work problems from first principles, including derivation of dynamics equations of motion, including both nonlinear equations and linear state equations and integrate subsystem models into larger simulations.Proficiency modeling, simulating, and analyzing the performance of launch vehicles, spacecraft, and landers in the time domain using parametric, Monte Carlo, and statistical techniques.Experience analyzing control stability in the frequency domain (Nichols, Bode, Nyquist, Root Locus, etc.).Demonstrated ability to design flight control systems (PID, state space, etc.) and perform actuator allocation (manual jet selection, quadratic programming, pseudo inverse, etc.)Modeling of spacecraft components/subsystems such as: Thrust Vector Control (TVC) actuators, Reaction Control System (RCS) thrusters, slosh, pogo, rigid and/or flexible body dynamics.Programming in MATLAB, Simulink, and C/C++. This includes debugging and improving the efficiency of simulation tools.Experience performing software development, verification, and validation.Experience performing trade studies, sensitivity, and/or Monte Carlo simulation and analyses related to the control of launch vehicles and/or spacecraft.Must be detail oriented and self-motivated that can work independently taking projects from start to finish without much oversight.Must also be able to work collaboratively with other team members both locally and remote at other facilities or vendors.Strong written and oral communication, interpersonal, and problem-solving skills.Experience leading and/or mentoring junior engineers.Desired skills/experience:
Experience with modeling, simulation, and analysis of spacecraft rendezvous, proximity operations, and docking and/or landersExperience modeling and simulating manual control of spacecraft including but not limited to controllability, transfer function models, Cooper Harper ratings, and paper pilot modeling.Programming in other languages such as Python, Simscape Multi-body.Familiarity with and an understanding of trajectory and orbital dynamics.Experience with creating animations/visualization from results of 3-DoF/6-DoF simulations using tools such as Unreal Engine, Satellite Tool Kit (STK), etc.Model based design experience.