Auburn, AL 36830 • (37.5 miles) • Full Time • $65,000 to $175,000 / yr • 10/22/2026

Job Title: Signal Processing Engineer Company Overview : Integrated Solutions for Systems (IS4S) is a fast-growing small business at the forefront of developing innovative solutions for the warfighter. We use applied research and development combined with novel systems integration to enhance capabilities of our armed forces. Position: Signal Processing Engineer Location: Auburn, AL, Aberdeen, MD Job Type: Full-time Job Description: IS4S is seeking a Signal Processing Engineer to join our team on-site in Auburn, AL or Aberdeen, MD to assist development and integration of capabilities supporting Army and Joint warfighting functions. The ideal candidate will have a strong background in developing real-time signal processors that analyze signals and waveforms to extract actionable information.

Auburn, AL 36830 • (37.5 miles) • Full Time • $65,000 to $175,000 / yr • 10/22/2026

Job Title: Integration Engineer Company Overview : Integrated Solutions for Systems (IS4S) is a fast-growing small business at the forefront of developing innovative solutions for the warfighter. We use applied research and development combined with novel systems integration to enhance capabilities of our armed forces. Position: Integration Engineer Location: Auburn, AL, Aberdeen, MD Job Type: Full-time Job Description: IS4S is seeking an Integration Engineer in Auburn, AL or Aberdeen, MD to assist development and integration of capabilities supporting Army and Joint warfighting functions. The person or persons filling this position will join an existing, multi-disciplinary team to perform integration activities covering software, networking, and hardware. Responsibilities include Analyzin

Auburn, AL 36830 • (37.5 miles) • Full Time • $65,000 to $175,000 / yr • 10/22/2026

Job Title: Software Systems Engineer Company Overview : Integrated Solutions for Systems (IS4S) is a fast-growing small business at the forefront of developing innovative solutions for the warfighter. We use applied research and development combined with novel systems integration to enhance capabilities of our armed forces. Position: Software Systems Engineer Location: Auburn, AL, Aberdeen, MD Job Type: Full-time Job Description: IS4S is seeking a Software Systems Engineer in Auburn, AL or Aberdeen, MD to assist development and integration of software solutions supporting Army and Joint warfighting functions. The person or persons filling this position will join an existing, multi-disciplinary team to perform system engineering activities involving software architecture design, creating us

Auburn, AL 36830 • (37.5 miles) • Full Time • $150,000 to $185,000 / yr • 10/20/2026

Job Requisition: Senior Systems Engineer Position Title: Senior Systems Engineer Department: [SEAIT] Clearance Requirements: [Secret] Position Summary: We are seeking a highly skilled Senior Systems Engineer with strong experience in system verification , requirements development , and requirements derivation . The ideal candidate will also have experience or familiarity with Position, Navigation, and Timing (PNT) systems. In this role, the engineer will participate in the full systems engineering lifecycle, ensuring rigorous technical development, traceability, and compliance across complex system architectures. Key Responsibilities: • Develop, decompose, and derive system and subsystem requirements• Lead and perform system verification planning, test case development, and verification ex

Auburn, AL 36830 • (37.5 miles) • Full Time • $75,000 to $150,000 / yr • 10/20/2026

Job Title: Hardware Engineer (Junior or Mid-level) Company Overview : Integrated Solutions for Systems (IS4S) is a fast-growing defense company at the forefront of developing innovative solutions for the warfighter. We use applied research and development combined with novel systems integration to enhance capabilities of our armed forces. Position: Electrical Engineer (Junior or Mid-level) Location: Auburn, AL Job Type: Full-time Job Description: IS4S is seeking a junior or mid-level Hardware Engineer (Electrical and/or Mechanical) with expertise in designing custom electronic enclosures with complex wiring harness, MIL-Spec connectors, and custom-embedded system processing to support military and government applications. The successful candidate will play a key role in the design, develop

Auburn, AL 36830 • (37.5 miles) • Full Time • $75,000 to $150,000 / yr • 10/20/2026

Job Description: IS4S is seeking qualified candidates to support navigation systems simulation and testing activities at our Auburn, AL location. The person or persons filling this role will work with others in a cross-functional teams to development customized simulation and test equipment to perform laboratory and field testing of navigation systems. Typical activities and responsibilities would include: Developing and maintain interfaces (software and hardware) between laboratory test equipment and platform systems (avionics and vetronics). Develop and maintain hardware-in-the-loop (HWIL) and software-in-the-loop (SWIL) test beds for military platforms with advanced navigation systems. Assessing performance of navigation technologies using laboratory and simulation equipment including a

Auburn, AL 36830 • (37.5 miles) • Full Time • $80,000 to $160,000 / yr • 10/17/2026

Job Description : IS4S is seeking a highly skilled and motivated Software Engineer to support the development of embedded software for Assured Positioning, Navigation, and Timing (APNT) systems working on-site in our Auburn, AL or Huntsville, AL location. The successful candidate will contribute to the development of navigation algorithms, sensor interfaces, platform integration, and software testing for resilient navigation solutions operating in challenging environments, including conditions where GPS/GNSS may be degraded, denied, or unavailable. This role offers the opportunity to work across the embedded software development lifecycle, from algorithm implementation and hardware interfacing to integration, testing, and performance evaluation. The ideal candidate has strong modern C++ pr

Auburn, AL 36830 • (37.5 miles) • Full Time • $90,000 to $140,000 / yr • 10/16/2026

Job Description : IS4S is seeking highly skilled and motivated Systems Engineer to support the development, integration, and verification of assured Positioning, Navigation, and Timing (PNT) systems working on-site in our Auburn, AL or Huntsville, AL location. The successful candidate will contribute to the design and development of resilient navigation and timing solutions for platforms operating in challenging environments, including environments where GPS/GNSS may be degraded, denied, or unavailable. This role offers the opportunity to work across the systems engineering lifecycle, from translating operational needs into system requirements to developing test plans, conducting system-level testing, verifying performance, and integrating PNT capabilities onto operational platforms. The i

Auburn, AL 36830 • (37.5 miles) • Full Time • $70,000 to $125,000 / yr • 10/16/2026

Job Description : IS4S is seeking highly skilled and motivated engineers to support Position, Navigation, and Timing (PNT) system development, testing, and integration working on-site in our Auburn, AL location. The successful candidate will play a key role in the design and development of advanced hardware systems, contributing to the success of mission-critical applications. Candidates are expected to have experience in printed circuit board (PCB) design, analysis, and testing, along with their integration with other system components. Experience with PNT systems, GPS, IMUs, ARM processors and FPGAs, and related systems is desired. Applicants must clearly state citizenship and any active clearance in a cover letter or on the resume. Responsibilities : Determine layer stack up, component