**Description** Applied Research Associates (ARA) is looking for a Staff Software Engineer with a broad set of skills and experience to join our Rocky Mountain Division in Littleton, CO. Our diverse, energetic, and collaborative Rocky Mountain Division offers an excellent opportunity to join our dynamic, employee-owned team in providing critical capabilities to our warfighters through innovative engineering solutions. Our work spans basic scientific studies through concept development and productization allowing us to transition our knowledge and prototypes to fulfill critical needs for end users. Are you looking for a career in an industry focused on designing, developing, and rapidly deploying solutions to problems of national importance? Come join our team! As a Staff Software Engineer you will support active contracts on a collaborative research team. The successful candidate will have the opportunity to pursue their passions with the freedom to expand their work to their areas of interest and expertise, while serving our customers and end users. **Primary Role and Responsibilities** + Serve as a technical expert in fast-running physics-based modeling, integration of software modules into larger codebases, terminal ballistics, and/or vulnerability/lethality analysis. + Develop new approaches to terminal ballistic modelling to support government, industry, and academic end user needs. + Field user requests for information, release source code, and troubleshoot end user issues. + Act as a technical resource for other engineers and scientists within the company. **Required Skills** + Bachelor’s degree in computer science, electrical engineering, physics, or a closely related field. + 5+ years’ relevant work experience. **Position Requirements** + US Citizen + Ability to obtain a DoD Security Clearance + On-site work at ARA’s Littleton, Colorado facility + Periodic travel to other ARA offices, subcontractor sites, and customer locations + Demonstrated ability to work well within a team and independently. + Experience working in FORTRAN + Significant experience in at least three of the following: C#, WPF, JavaScript, FORTRAN, terminal ballistics, physics-based modeling **Desired Qualifications** + Understanding of the field of terminal ballistics. + Proficiency using MATLAB, C/C++, C#, WPF, javascript, and/or FORTRAN. + Experience working with vulnerability and lethality codes. + Experience developing software for deployment on classified and unclassified government systems. + Experience developing and compiling source code for deployment in Windows and Linux environments. + Experience performing fast-running physics-based modeling. + Experience performing contract/grant-based research and development relevant to National Defense applications. + Motivation to succeed in a cross-functional team spanning multiple disciplines to deliver results in a timely manner. + A strong record of written and verbal communication through reports, peer-reviewed publications, and/or conference presentations. + Demonstrated interest in leadership in areas such as: leading new research programs, development of new facilities, and being a mentor for other employees. Applied Research Associates, Inc. (ARA) is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences. The company, founded in Albuquerque, NM, in 1979, currently employs over 2,200 professionals and continues to grow. ARA offices throughout the United States and Canada provide a broad range of technical expertise in defense technologies, civil technologies, computer software and simulation, systems analysis, environmental technologies, and testing and measurement. The corporation also provides sophisticated technical products for environmental site characterization, pavement analysis, and robotics. At ARA, employees are our greatest assets. The corporation realizes that employee ownership spawns’ greater creativity and initiative along with higher performance and customer satisfaction levels. ARA gives its employees the tools, training, and opportunities to take more active roles as owners. The culture is challenging; innovation and experimentation are the norm. Employees are eligible for contributions which not only add to the company’s success, but also their own through the Employee Stock Ownership Plan (ESOP). The motto, “Engineering and Science for Fun and Profit” sums up the ARA experience. For additional information and an opportunity to join this unique workplace, please visit our website at www.ara.com. **Qualifications** **Education** **Required** + Bachelor of Science or better in Computer Science **Experience** **Required** + 5 years: Relevant work experience Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)