Information Systems Security Specialist III Tri Star Engineering, Inc. United States, Indiana, Crane Jul 02, 2026 Apply Job Type Full-time Description We are seeking a dedicated and experienced Information Systems Security Specialist III to support the daily operational requirements of radios and other communication devices within our team. This role offers an exciting opportunity to work with cutting-edge communication technology, ensuring system integrity, security, and optimal performance. If you are passionate about information technology, system security, and supporting mission-critical operations, we invite you to apply. Key Responsibilities Install hardware, software, and system upgrades to ensure communication devices operate efficiently and securely Develop and maintain local system design documentation for communication systems Troubleshoot and resolve hardware and software issues related to communication systems and devices Train warfighters and staff on the operation and maintenance of communication systems and software applications Monitor system configurations, including hardware and software, to ensure security and performance standards are met Assist customers with information technology support and resolve technical issues promptly Provide instruction on computer applications and communication devices to staff and users Support the provision of various communication devices and technology functions in support of the TACP program Requirements 5-10 years of professional experience in related field Must be a US Citizen The ability to obtain and maintain a security clearance AS or BS with 3-5 years' experience in Electrical/Electronic/Computer Engineering, Communications, Computer Science, Information Systems, or adequate Military experience. About

TRISTAR TRISTAR

is an SBA certified Service-Disabled Veteran-Owned professional services company supporting the U.S. Department of War programs. Our core competencies include Electronic Warfare, Enterprise Management, Full Spectrum Cybersecurity, Information Technology, Digital Transformation, Software Engineering and Development, Maritime Modernization and Engineering, and Technical Solutions. TRISTAR was founded in March 1995 and has built an employee-focused collaborative environment which enables our team of professionals to create and deliver customized solutions to meet our customers' mission critical challenges. TRISTAR's core capabilities support customers with end-to-end solutions. For over 30 years, TRISTAR has demonstrated and perfected our ability to successfully manage any task, small or large no matter how difficult or complex. TRISTAR is proud to serve the Department of War and other Federal Agencies. TRISTAR provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.