Software & Systems Engineer, Senior

Overview

SimTech Inc. recognized as one of the 2025 Best Places for Working Parents is seeking a Real-Time Software Developer Senior to join our dynamic and diverse team in Huntsville AL.

SimTech offers a leading compensation package with excellent benefits work/life balance outstanding retirement plan career advancement and much more.

We are seeking an experienced Software & Systems Engineer Senior to provide senior-level software engineering programming and systems engineering support to assigned contracts and task orders in support of government customers. This role involves developing and maintaining advanced simulation tools performing modeling and analysis supporting system design and evaluation and ensuring successful program execution through collaboration with government leads prime contractors and internal teams.

Key Responsibilities

Lead programming assignments using advanced knowledge of established programming procedures and data processing requirements. Maintain data integrity and optimize code for distributive and/or parallel processing.

Develop execute and modify models and simulations (all-digital and HWIL) to support analysis system qualification and technology evaluation.

Design and implement complex software in C from scratch ensuring efficiency scalability and maintainability.

Apply strong mathematical and analytical skills including those required for SLOS (Synthetic Line-of-Sight) calculations and other advanced modeling tasks.

Support engineering tasks such as plans investigations equipment design and development testing of materials and process studies.

Apply subject matter expertise in aerodynamics and/or electrical engineering to support modeling simulation and system framework development ensuring interoperability integration and mission success.

Identify critical program information and apply system security engineering measures to mitigate risk.

Work closely with government leads participate in IPTs and working groups and collaborate with subject matter experts engineers technicians and analysts.

Evaluate objectives and assignments select appropriate engineering and programming techniques and demonstrate sound judgment in adapting solutions.

Prepare and present technical reports briefings and documentation to senior leadership.

Meet deadlines ensure compliance standards are met and deliver quality results aligned with customer expectations.

Perform other duties as assigned.

Minimum Qualifications & Education Requirements and Desired Skillsets

Bachelors or Masters degree in Engineering (Electrical Computer Mechanical or Aerospace) Physics Mathematics or Computer Science.

8-10 years of experience in software engineering modeling & simulation or systems engineering.

Expertise in C programming with demonstrated ability to code complex systems from scratch.

Strong background in mathematics with ability to apply advanced concepts in simulation and system modeling.

Experience with SLOS (Synthetic Line-of-Sight) analysis and related mathematical applications.

Educational background in Electrical Engineering Aerospace Engineering Computer Science or related field strongly preferred.

Knowledge of aerodynamics and related physics is highly desirable.

Proven ability to collaborate with cross-functional teams and interface with government and contractor stakeholders.

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.

SimTechs 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 2022-2025 by the Huntsville/Madison County Chamber of Commerce.

SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 42 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.