Software Engineer, Senior
Simulation Technologies Inc
Software Engineer, Senior Overview SimTech, Inc., recognized as one of the 2026 Best Places for Working Parents , is seeking a Software Engineer, Senior to join our dynamic and diverse team in Huntsville, AL. This is an upcoming opening with opportunities for growth and professional development.
SimTech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more.
The Software Engineer, Senior is responsible for developing, integrating, testing, and validating software applications. This role supports the design and implementation of scalable, high-performance solutions, including advanced mathematical and analytical algorithms, while ensuring code quality, data integrity, and maintainability. Responsibilities Provide software development for C++ and Python in the areas of model and tool development, integration, execution, test, analysis and V&V.
Design and implement complex software in C++, CUDA, and Python as defined from an architectural definition, ensuring efficiency, scalability, and maintainability.
Maintain data integrity and optimize code for distributive and/or parallel processing.
Implement advanced mathematical and analytical solutions required for calculations, transformations, and processes defined by specifications.
Apply expertise in software engineering to support design, development, testing, and deployment of assets.
Evaluate objectives and assignments, select appropriate engineering and programming techniques, and demonstrate sound judgment in adapting solutions. Other responsibilities as assigned. Minimum Qualifications & Education Requirements and Desired Skillsets Bachelor of Science Degree or Graduate Science Degree in Computer Science, Computer Engineering, Math, Physics or Engineering. Minimum of 10 years of professional experience in software development, software design, and Modeling & Simulation (M&S) environments. 3-5 years demonstrated relevant experience and development with C++, Python, and real-time graphics processor unit (GPU) programming experience. Experience with GPU programming and parallel processing technologies, including CUDA. Demonstrated experience developing, integrating, testing, and validating software applications and tools. Experience implementing complex mathematical algorithms, analytical models, and data processing solutions. Proficiency working in Linux-based development environments. Experience with software configuration management, version control systems, and collaborative development processes. Strong understanding of software architecture, object-oriented design principles, and software development life cycle (SDLC) methodologies. Experience supporting Department of Defense (DoD), Missile Defense Agency (MDA), aerospace, or defense-related programs. Experience developing high-performance computing (HPC) applications and optimizing software for distributed and parallel processing environments. Strong analytical, problem-solving, and troubleshooting skills. Excellent written and verbal communication skills with the ability to work effectively in multidisciplinary teams. Experience mentoring junior engineers and providing technical leadership on software development efforts. U.S. Citizenship with Active Secret Security clearance and ability to maintain the designated security clearance level is required. Physical Description Employees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment, computer software, and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work. About SimTech, Inc. SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions. The company has been recognized as a "Best Place to Work" in 2020 and 2021, and as a "Best Place for Working Parents" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce. SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence-join our team today! To learn more about our exceptional team and employee benefits, contact SimTech HR or visit for more information. Equal Employment Opportunity and Affirmative Action Employer SimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer.
Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, View email address on click.appcast.io and/or phone number View phone number on click.appcast.io) to contact us about your interest in employment with SimTech. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. SimTech participates in E-Verify.
SimTech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more.
The Software Engineer, Senior is responsible for developing, integrating, testing, and validating software applications. This role supports the design and implementation of scalable, high-performance solutions, including advanced mathematical and analytical algorithms, while ensuring code quality, data integrity, and maintainability. Responsibilities Provide software development for C++ and Python in the areas of model and tool development, integration, execution, test, analysis and V&V.
Design and implement complex software in C++, CUDA, and Python as defined from an architectural definition, ensuring efficiency, scalability, and maintainability.
Maintain data integrity and optimize code for distributive and/or parallel processing.
Implement advanced mathematical and analytical solutions required for calculations, transformations, and processes defined by specifications.
Apply expertise in software engineering to support design, development, testing, and deployment of assets.
Evaluate objectives and assignments, select appropriate engineering and programming techniques, and demonstrate sound judgment in adapting solutions. Other responsibilities as assigned. Minimum Qualifications & Education Requirements and Desired Skillsets Bachelor of Science Degree or Graduate Science Degree in Computer Science, Computer Engineering, Math, Physics or Engineering. Minimum of 10 years of professional experience in software development, software design, and Modeling & Simulation (M&S) environments. 3-5 years demonstrated relevant experience and development with C++, Python, and real-time graphics processor unit (GPU) programming experience. Experience with GPU programming and parallel processing technologies, including CUDA. Demonstrated experience developing, integrating, testing, and validating software applications and tools. Experience implementing complex mathematical algorithms, analytical models, and data processing solutions. Proficiency working in Linux-based development environments. Experience with software configuration management, version control systems, and collaborative development processes. Strong understanding of software architecture, object-oriented design principles, and software development life cycle (SDLC) methodologies. Experience supporting Department of Defense (DoD), Missile Defense Agency (MDA), aerospace, or defense-related programs. Experience developing high-performance computing (HPC) applications and optimizing software for distributed and parallel processing environments. Strong analytical, problem-solving, and troubleshooting skills. Excellent written and verbal communication skills with the ability to work effectively in multidisciplinary teams. Experience mentoring junior engineers and providing technical leadership on software development efforts. U.S. Citizenship with Active Secret Security clearance and ability to maintain the designated security clearance level is required. Physical Description Employees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment, computer software, and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work. About SimTech, Inc. SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions. The company has been recognized as a "Best Place to Work" in 2020 and 2021, and as a "Best Place for Working Parents" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce. SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence-join our team today! To learn more about our exceptional team and employee benefits, contact SimTech HR or visit for more information. Equal Employment Opportunity and Affirmative Action Employer SimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer.
Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, View email address on click.appcast.io and/or phone number View phone number on click.appcast.io) to contact us about your interest in employment with SimTech. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. SimTech participates in E-Verify.
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Software Engineer, Senior in Huntsville, AL vacancy
- ...A defense contracting firm is seeking a Senior Software Engineer to support the Software Integrated Product Team on Eglin AFB, FL. The role involves team collaboration, software development, document requirements, and compliance oversight. Candidates must have a Master...Senior
- ...PeopleTec, Inc. is looking for a Senior Software Engineer to support its Huntsville, AL location. The role requires 8 years of experience with technologies such as Java, Spring Boot, Angular, and Python. Candidates must have an active DoD Top Secret clearance with SCI...Senior
- ...Page Mechanical Group, Inc. is looking for a Senior Software Engineer in Huntsville, Alabama, to lead the software development for advanced communication, control, and safety software for complex high energy laser weapon systems. Candidates should have a Bachelor's degree...Senior
- ...Senior Software Engineer We are seeking a Senior Software Engineer to enhance and modernize our control software for Remote Weapon Station (RWS) platforms. This role focuses on the evolution of Java-based software responsible for system logic, hardware integration, and...SeniorLocal areaRemote work
- ...in space and find a career that's built for you. Position Lockheed Martin Space in Huntsville, AL is seeking a full-time Senior Software Engineer. In this role, you will work with experienced engineers to support the software engineering lifecycle following the program...SeniorFull timeRelocationShift work
- ...Responsibilities PeopleTec is currently seeking a Senior Software Engineer to support our Huntsville, AL location. MDA Joint Integrated Fire Control is seeking Modeling & Simulation (M&S) Engineers with a background in Electrical, Aerospace, or Mechanical Engineering...SeniorLocal area
- ...Senior Software Engineer (Huntsville, AL) Job Title: Senior Software Engineer FLSA: Exempt Clearance: Secret Location: Redstone Arsenal, Huntsville, AL Job Type: Full time NTA, Inc. is a locally recognized Best Place to Work and Best Place for Working Parents specializing...SeniorFull timeTemporary workFlexible hours
- ...Senior Software Engineer, Level 3 OASYS, INC., a leading‑edge government contractor, is seeking a senior software engineer to support our customer in Huntsville, AL. Summary OASYS, INC. is seeking a full‑time Software Engineer. In this role you will support the software...SeniorFull timeTemporary workFor contractorsRemote workFlexible hours
- ...Overview SimTech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking a Senior Software Engineer to join our dynamic and diverse team in Huntsville, AL. This upcoming opening provides opportunities for growth and professional development. SimTech...SeniorWork at officeLocal areaRemote workShift work
- ...Senior Software Engineer – UAS Operations This position is a Senior Software Engineer that can be part of a cross functional team in developing hardware and software in support of DoD UAS operations. Responsibilities Development processes and software programming. Knowledge...SeniorCasual workRelocationFlexible hours
- ...Job Details Position: Software Engineer (Embedded & Systems) – Onsite. Location: Huntsville, Alabama, USA. Posted: 2026-05-20. Salary range: $86,800 – $165,200. Security clearance: Secret (interim government‑issued). U.S. citizenship required. Clearance granted by DCSA...SeniorTemporary workInterim roleFlexible hours
- ...Position Title: Senior Software Engineer Location: Huntsville, Alabama Job Type: Full Time About EO Solutions: EO Solutions is a rapidly growing aerospace and defense company focused on advancing capabilities in Space Domain Awareness and Directed Energy Systems. Our...SeniorFull timeRemote work
- ...Software Engineer At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments...SeniorInterim roleRelocation
- ...Senior Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research Corporation is headquartered in Huntsville Alabama. We are a customer-oriented engineering services company providing world class research and development support across...SeniorWork experience placementInternshipWork at officeImmediate start
$197.53k - $276.54k
...solutions that enhance the employee experience and enable HR to operate at the speed of our mission.We're seeking a hands-on Senior Software Engineer who builds and implements AI-powered HR technology solutions while maintaining strategic awareness. This role emphasizes...SeniorPermanent employmentImmediate start- ...Insight Global is seeking a Senior Software Engineer to join our clients growing engineering team supporting advanced mission-critical systems. This individual will play a key role in the design, development, integration, and testing of embedded and enterprise software...Senior
- ...are a top veteran employer and Certified Great Place to Work ASRC Agile Decision Sciences is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. We are...SeniorFor contractors
$89.6k - $198.4k
...Senior Software Engineer Category: Software Development/ Engineering Main location: United States, Maryland, Huntsville Position ID: J0626-1291 Employment Type: Full Time Position Description: CGI Federal is seeking a Senior Software Engineer responsible...SeniorFull timeLocal area- ...Job Title: Software Engineer (Senior) Location: Huntsville, AL Position Type: Full-Time Position Overview: We are seeking an experienced Software Engineer to support the design, development, testing, and management of application development projects in support...SeniorFull time
- ...NextGen Federal Systems, LLC is seeking a Software Engineer with experience in Systems Tool Kit (STK) to support the development and integration of mission analysis and modeling applications. These applications enable multi-domain analysis—including air, space, ground,...SeniorWork experience placement
- ...career opportunities. This position is located on Kwajalein Atoll, in the Marshall Islands. Essential Functions Lead software engineering efforts to open, investigate, design, implement, and test software engineering solutions on existing RTS software products....SeniorRelocationWeekend work
$126k - $190k
...agencies rely on Relativity's legal AI software to securely surface and manage the most... ...What We Do At Relativity, engineers don't just write code- they harness AI tools... ...Kubernetes Integration Team is seeking a Senior Engineer to help us prototype and rapidly...SeniorRemote workHome office- ...Overview Camgianis seeking a Senior Software Engineer who will lead the development of software frameworks and applications through architecture, design, implementation, testing and documentation. The successful candidate will lead or support various project tasks, organize...Senior
- ...Opportunity PeopleTec is currently seeking a Senior Software Engineer to support our Huntsville, AL location. Job Functions: Develops codes, tests, and debugs new software or enhancements to existing software. Has good understanding of business applications as well as...SeniorLocal area
- ...and machine learning), and weapon system engineering. IERUS develops value for our defense... ...opportunity to join the IERUS team as a Sr. Software Developer supporting a large Missile... ...functional group leads and will interface with senior management. Document simulation...Senior
$93.2k - $164.45k
...era in space and find a career that's built for you. Lockheed Martin Space in Huntsville, AL is seeking a full-time Software Engineer Senior. In this role, you will be working with experienced engineers, you will support the software engineering lifecycle...SeniorFull timeTemporary workWork experience placementWork at officeFlexible hours$93.2k - $164.45k
...meaningful career? If so, then we would love to speak with you! The Engineering & Technology organization is a highly dynamic and growing... ...programs. The candidate will join a team of embedded software developers who work as a team to create high quality flight software...SeniorFull timeTemporary workWork experience placementWork at officeRemote workFlexible hours- ..., AL. Our team provides superior research, development, and engineering services to the Federal Government and Department of War. As... ...with us! Torch Technologies has an immediate opening for a Senior Software Engineer to develop applications and simulation...SeniorContract workTemporary workFor contractorsLocal areaImmediate startRelocation packageFlexible hours
- ...is currently seeking top talent in the areas of full stack software development, artificial intelligence, optimization, and data... ...hear more about Arcarithm and all we offer! Job Title: Senior Software Engineer Job Location: Huntsville, AL Job Description We...SeniorLocal areaRemote workFlexible hours
- ..., and public safety missions. We are building a new center of engineering excellence to design our new category of tactical robotic systems... ...a new phase of growth and are looking for an experienced software engineer to join our team, contributing to the next wave of system...SeniorWork at officeRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer, Senior. Be the first to apply!
Related searches
- software engineer amazon Huntsville, AL
- agile software developer Huntsville, AL
- rust software engineer Huntsville, AL
- software developer positions Huntsville, AL
- senior software design engineer Huntsville, AL
- software developer Huntsville, AL
- ngo software engineer Huntsville, AL
- startup software engineer Huntsville, AL
- scientific software engineer Huntsville, AL
- senior software engineer Huntsville, AL

