Explore 2 simulation software developer jobs from 2 hiring companies in Rockdale, TX, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Simulation Software Developer Jobs

Firefly Aerospace

Texas A&M University System

Hybrid

Onsite

Principal GNC Engineer - Careers At Firefly Aerospace	

	

	

	


	
	
	

	
	
	

		 							
	 
		
	
	
	
	
	
	













						
				
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										<p>Career Opportunities with Firefly Aerospace</p>
<p><em><strong>Come be a part of the 21st Century Space Race!</strong></em></p>
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				<div>Careers At Firefly Aerospace</div>								
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		<h2>Principal GNC Engineer</h2>	
	
	
			
		
		      			      	<b>Department:</b>
					Aerospace Software Engineering		      					
		      			      	<b>Location:</b>
					Cedar Park, TX<br />					
		      		      		      		      		      		      		



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		<div><p><a><strong>ABOUT FIREFLY AEROSPACE </strong></a></p>

<p>Firefly Aerospace is a space and defense technology company that enables our world to launch, land, and operate in space � anywhere, anytime. As the partner of choice for critical space missions, Firefly is the only commercial company to launch a satellite to orbit with 24-hour notice and the only company to achieve a successful Moon landing. Our launch vehicles, lunar landers, and orbital vehicles provide government and commercial customers with full mission services from low Earth orbit to the Moon and beyond. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.</p>

<h3><strong>SUMMARY</strong></h3>

<p>As a Principal GNC Engineer at Firefly, you will serve as a technical authority on launch vehicle GNC systems enabling missions to low Earth orbit and beyond. This technical leadership role requires an authoritative knowledge base in launch vehicle GNC disciplines, with a proven track record of solving the most complex GNC challenges on operational missions. In this role, you will drive technical strategies and capability development, provide authoritative technical review and guidance, and mentor engineers at all levels. This position balances hands-on technical contribution with strategic leadership, offering the opportunity to influence system architectures from concept through operations, represent Firefly's technical excellence to customers and executive leadership, and solve unique problems that push the boundaries of spaceflight.</p>


<p><strong>RESPONSIBILITIES</strong></p>

<ul>
	<li>Serve as a technical authority on the guidance, navigation, and control of launch vehicles, providing expertise across programs and domains</li>
	<li>Develop and validate novel GNC methodologies, tools, and best practices for complex or unprecedented mission requirements</li>
	<li>Lead resolution of the most challenging GNC problems across the organization</li>
	<li>Provide authoritative technical review and oversight of launch vehicle GNC designs, changes, and risks</li>
	<li>Establish technical standards for mission design, software development, testing, and requirement verification</li>
	<li>Drive GNC strategy and roadmap development, identifying capability gaps, investment priorities, and opportunities for adopting emerging technology</li>
	<li>Initiate and execute continuous improvement initiatives for GNC processes, tools, and operational efficiency</li>
	<li>Represent GNC expertise in executive-level technical reviews, mission milestone reviews, customer meetings, and proposal efforts</li>
	<li>Participate in critical technical work including algorithm development, test campaign execution, and mission operations support</li>
	<li>Mentor and develop engineers at all levels, cultivating the next generation of technical leaders</li>
</ul>

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<strong>QUALIFICATIONS</strong></p>

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<strong>Required</strong></p>

<ul>
	<li>Master's degree or PhD in aerospace engineering or related field, or bachelor's degree with substantial technical accomplishments demonstrating analytical rigor equivalent to graduate research</li>
	<li>10+ years of experience in launch vehicle GNC with demonstrated expertise and technical leadership across multiple programs</li>
	<li>Demonstrated experience supporting operational launch vehicle missions through multiple flight campaigns</li>
	<li>Mastery of launch vehicle dynamics with deep expertise in a specialization area combined with strong understanding across GNC domains</li>
	<li>Experience developing strategic vision, technical roadmaps, and capability development initiatives for GNC teams</li>
	<li>Proficiency in the development of flight software and physics simulations for spaceflight applications</li>
	<li>Software engineering expertise with proficiency in development practices including version control, code review, testing, documentation, and CI/CD</li>
	<li>Proficiency with Python, C++, Linux, and specialized tools and libraries relevant to domain</li>
	<li>Comprehensive knowledge of launch vehicle subsystems and their impact on GNC design and performance</li>
	<li>Demonstrated ability to elevate the technical capabilities of engineers through mentorship, developing high performers who strengthen the organization around them</li>
	<li>Excellent communication and presentation skills, with an ability to convey complex technical concepts to executives, customers, and non-technical stakeholders</li>
</ul>

<p><strong>Desired</strong></p>

<ul>
	<li>PhD with research contributions advancing a specialization area relevant to launch vehicle GNC</li>
	<li>Background as a technical leader on operational launch vehicle programs from development through multiple successful flights</li>
	<li>Deep expertise in advanced techniques relevant to specialization</li>
	<li>Demonstrated proficiency across multiple GNC specialization areas</li>
	<li>Proven ability to influence technical direction and drive consensus across multidisciplinary organizations</li>
	<li>Skill in communicating with program management, customers, and executives in both technical and business forums</li>
	<li>Experience leading or supporting anomaly investigations and resolving flight-critical GNC issues</li>
	<li>History of applying technical expertise to achieve customer mission success and initiate new business opportunities</li>
	<li>Innovation through patents or technical contributions in specialization area</li>
	<li>Track record of thought leadership through publications, presentations, or contributions to industry state-of-the-art</li>
</ul>

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<p><strong>Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.</strong></p>

<p><em>To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. </em></p>

<p><em>Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.</em></p>
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Principal GNC Engineer

10+ years in launch vehicle GNC; master/PhD in aerospace or related field; leadership in GNC across programs; strong software and simulation skills; excellent communication.

Tamus

<span><span><span><span><span><span><span><p style="text-align:left"><b>Job Title</b></p></span></span></span></span></span></span></span>TTI Assistant Research Scientist<p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:left"><b>Agency</b></p>Texas A&amp;M Transportation Institute<p style="text-align:inherit"></p><p style="text-align:inherit"></p><p style="text-align:left"><b>Department</b></p>Roadside Safety<p style="text-align:inherit"></p><p style="text-align:inherit"></p><span><span><span><span><span><span><span><p style="text-align:left"><b>Proposed Minimum Salary</b></p></span></span></span></span></span></span></span>Commensurate<p style="text-align:inherit"></p><p style="text-align:inherit"></p><span><span><span><span><span><span><span><p style="text-align:left"><b>Job Location</b></p></span></span></span></span></span></span></span>Bryan, Texas<p style="text-align:inherit"></p><p style="text-align:inherit"></p><span><span><span><span><span><span><span><p style="text-align:left"><b>Job Type</b></p></span></span></span></span></span></span></span>Faculty<p style="text-align:inherit"></p><p style="text-align:inherit"></p><span><span><span><span><span><span><span><p style="text-align:left"><b>Job Description</b></p></span></span></span></span></span></span></span><p><b><u>Who are we?</u></b></p><p>The Texas A&amp;M Transportation Institute (TTI) is an agency of the State of Texas and member of The Texas A&amp;M University System. For 75 years, TTI has addressed complex transportation challenges and opportunities with innovation, objectivity, and unmatched technical expertise. Our staff delivers excellence, value and thought leadership to ensure our research sponsors achieve their goals.</p><p></p><p><b><u>Our Mission and Vision</u></b></p><p><i>Our Vision</i> - TTI leads in the creation of knowledge that transforms transportation for the benefit of society.</p><p><i>Our Mission</i> - TTI delivers practical, innovative and sustainable solutions to improve the movement of people, data and goods through research, education and technology transfer.</p><p></p><p><b><u>Our Work Environment</u></b></p><ul><li><p>Entrepreneurial culture</p></li><li><p>Affiliation with Texas A&amp;M University students and faculty</p></li><li><p>Ability to work with nationally recognized experts</p></li><li><p>Ability to help train the next generation of transportation professionals</p></li><li><p>Premier office and research facilities and equipment</p></li><li><p>Accredited laboratories and safety proving ground</p></li><li><p>Outstanding research support services</p></li><li><p>Hybrid work environment/telecommuting</p></li><li><p>Flexible work hours</p></li><li><p>Family friendly</p></li><li><p>High staff retention rates</p></li><li><p>Leadership development and wellness programs</p></li><li><p>Data allowance and home office equipment reimbursements</p></li><li><p>Relocation assistance (if eligible)</p></li><li><p>Tuition reimbursement program (if eligible)</p></li></ul><p></p><p><b><u>Our Employee Benefits</u></b></p><p>TTI employees can choose from several health coverage options offered by The Texas A&amp;M University System for themselves and their families, as well as numerous other benefit programs. <a href="https://www.tamus.edu/business/benefits-administration/" target="_blank"><b>https://www.tamus.edu/business/benefits-administration/</b></a></p><p></p><p><b><u>What you need to know</u></b></p><ul><li><p>TTI is a Texas based agency. This position has the flexibility of a hybrid remote option with two days in a TTI Texas based office. This can be discussed further during the interview process.</p></li><li><p>Your primary duty station will be TTI Bryan, located at 1111 Rellis Pkwy, Bryan, TX 77807. You are required to report to this location for the first <b>30</b> days of employment. Following this initial period, a flexible work arrangement may be approved at the agency’s discretion.</p></li><li><p>The salary range for position is commensurate. Final salary will be determined based on the applicant&#39;s qualifications and experience.</p></li><li><p><i><b>A Presidential proclamation issued on September 19, 2025, imposes a $100,000 fee on new H-1B petitions filed after September 21, 2025. Please be advised that Texas A&amp;M University will NOT pay this fee. Therefore, if you need immigration sponsorship for your employment, we recommend that you consult with your private immigration counsel at your own expense to ascertain whether your current immigration status would make a potential offer of employment from Texas A&amp;M University subject to this fee.</b></i></p></li><li><p><i><b>In addition, on January 27, 2026, Texas Governor Abbot issued a moratorium on the filing of any new H-1B unless approved by the Texas Workforce Commission. Accordingly, if you will now or in the future require sponsorship for employment visa status this moratorium may affect our ability to employ you should you be selected as the final candidate</b></i></p></li></ul><p></p><p><u><b>Job Summary</b></u></p><p>This position is expected to serve as Principal Investigator (PI), Co-PI, or contribute as a significant lead in research and proposal development within the Roadside Safety and Physical Security Division of TTI. Has an understanding of principles of quality and unbiased research. Completes projects on-time with completed deliverables. Conducts research following safety practices and guidelines. Understands rules, policies, and regulation of TTI, TAMUS, and IRB. Participate in technology transfer and implementation. Employee will be responsible for project management, composing various reports and papers, presenting deliverables and study results, overseeing students, developing proposals, and interprogram coordination. Continued employment in this position is contingent upon availability of funding and satisfactory performance.</p><p></p><p><u><b>Essential Duties and Responsibilities</b></u></p><ul><li><p>Perform applied research duties, including performing engineering and simulation analyses in support of the design and development of roadside safety devices, and conducting crash testing to analyze and evaluate roadside safety features. Plan, schedule, coordinate, and report detailed phases of research and development projects. <span>Conduct necessary literature review, background information searches, and surveys to support techniques and methodologies used, as well as documenting past research for reporting purposes.</span> <b>(60%)</b></p></li><li><p>Manage, communicate, and coordinate with multi-disciplinary teams comprising research staff, graduate and undergraduate students, and support staff to ensure the completion of research objectives and timely delivery of high-quality project deliverables.<b> (10%)</b></p></li><li><p>Compile, document, and present research results in formats required for inclusion in reports, technical memoranda, and presentations. Prepare technical documentation, including literature reviews, analyses methods and results, and summaries. Prepare project reports and other deliverables as required. Prepare materials for presentation of research results and other deliverables at technical meetings or other venues and to sponsors. <b>(10%)</b></p></li><li><p>Actively seek and obtain externally-funded research projects associated with performing work on basic and applied research and engineering problems, including preparation of research proposals as Principal Investigator (PI), Co-PI, or key researcher. <b>(8%)</b></p></li><li><p>Prepare and give presentations to existing and potential sponsors at meetings or in conference settings. Prepare, schedule, conduct, and document research meetings. <b>(5%)</b></p></li><li><p>Interact with sponsors and potential clients. <b>(5%)</b></p></li><li><p>Other duties as assigned. <b>(2%)</b></p></li></ul><p></p><p><u><b>Required Education and Experience</b></u></p><ul><li><p>Master’s Degree in relevant field of engineering</p></li><li><p>3 years of related professional experience to include non-linear finite element modeling and simulation</p></li></ul><p></p><p><u><b>Preferred Qualifications </b></u></p><ul><li><p>Software: LS-DYNA, HyperMesh, Solidworks</p></li><li><p>Computer programming</p></li><li><p>Roadside safety design experience</p></li></ul><p></p><p><u><b>Required Knowledge, Skills and Abilities </b></u></p><ul><li><p>Excellent oral and written communication skills along with interpersonal and presentation skills.</p></li><li><p>Strong technical writing skills.</p></li><li><p>Ability to handle multiple projects and responsibilities simultaneously and meet deadlines.</p></li><li><p>Strong analytical skills.</p></li><li><p>Ability to work cooperatively with others in a team environment.</p></li></ul><p></p><p><u><b>Physical Requirements</b></u></p><ul><li><p>Ability to perform common office functions</p></li><li><p>Ability to frequently communicate with other individuals within the workplace.</p></li><li><p>Ability to operate a computer and other office productivity machinery</p></li></ul><p></p><p>The physical demands are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.</p><p></p><p>All positions are security-sensitive. Applicants are subject to a criminal history investigation, and employment is contingent upon the institution’s verification of credentials and/or other information required by the institution’s procedures, including the completion of the criminal history check.</p><p></p><p><span>Equal Opportunity/Veterans/Disability Employer.</span></p>

TTI Assistant Research Scientist

Assistant Research Scientist

Master’s degree in engineering; 3 years related experience including nonlinear finite element modeling and simulation; LS-DYNA/HyperMesh/SolidWorks preferred.

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