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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Engineer - **Company:** CACI International Inc. - **Location:** Lisle, IL, United States - **Experience:** Experienced - **Salary:** $108,400.0 - $227,500.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Systems Engineering, Automation of Tests, Computer Engineering, Continuous Integration, Network Interface Controllers, Firmware, Software Architecture, Systems Development Life Cycle, Requirements Traceability, Signal Processing, Software Engineering, Software Requirements Analysis, Verification and Validation (Software), Data Streaming, Systems Architecture, Information Technology, Devsecops - **Published:** August 15, 2026 - **Apply:** https://dejobs.org/x/x/4338638183C9409190CA964CCE9B34C9/job/ ## About the Role We are seeking an experienced System Engineer with deep expertise in Electronic Warfare (EW) mission systems to lead in developing technical requirements and system architectures for CACI product development supporting critical US Government and foreign military programs. This role demands a unique blend of software-centric systems engineering, operational EW domain knowledge, and the ability to decompose complex system requirements across multidisciplinary teams, Technical Skills * Software-Centric Systems Engineering: Strong background in software architecture, software requirements specification, and software-intensive system design * Software Development Lifecycle: Understanding of Agile,DevSecOps, and CI/CD practices in DoD environments EW Domain Expertise * 5+ years of experience in EW systems development, integration, or operations, or equivalent system complexity. * Understanding of EW operational disciplines with working knowledge of how mission requirements translate to system capabilities * Knowledge of RF propagation, antenna systems, receiver/transmitter architectures, and signal processing * Understanding of test and evaluation methodologiesapplied to EW systems Systems Engineering Fundamentals * 7+ years of systems engineering experience with at least 3 years in requirements development * Demonstrated ability to decompose system requirements to software, hardware, and firmware subsystems * Experience with verification and validation planning and execution * Experience documenting and maintainingsystemengineering artifacts including: * System architecture descriptions and diagrams * Interface control documents (ICDs) * Requirements specifications and traceability matrices * Data flow and sequence diagrams * Trade study and technical analysis experience Clearance & Education * BS in Systems Engineering, Software Engineering, Electrical Engineering, Computer Science, or related technical field * US Citizenship and ability to obtain TS/SCI clearance Desired Qualifications * Active TS/SCI security clearancepreferred * INCOSE CSEP or ESEP certification * Familiarity with open systems architecture standards (CMOSS, SOSA, FACE) * Understanding of software testing frameworks and automated test development * Familiarity with formal requirements and design reviews (SRR, PDR, CDR, TRR, etc.) ## Description Requirements Development & Management * Establish and maintain system baselines including functional, performance, and interface requirements * Lead requirementsdefinition through evaluation of customer high-level system requirements and capability need statements with customer and engineering team technical interactions. * Manage requirements traceability from mission needs through verification and validation * Coordinate solutions across multiple physical locations and organizations. EW Mission Systems Engineering * Apply deep understanding of EW operational concepts, tactics, techniques, and procedures (TTPs) to translate mission needs into technical requirements * Define system behavior for EW functions including threat detection, identification, geolocation, jamming, and countermeasures * Support development of Concepts of Operations (CONOPS) and mission thread analysis for EW systems * Collaboratewithinternal and external stakeholdersto refine requirements Technical Architecture & Decomposition * Developand documentsystem and software architectures that meet EW mission requirements and operational constraints * Decompose functional requirements to software, hardware, RF, signal processing, and other engineering disciplines * Defineand documentinterfaces and data flows between subsystems * Lead Functional and Physical Architecture development and allocation Cross-Functional Technical Leadership * Serve as primary technical interface between system-level engineering and specialized engineering teams * Facilitate requirements understanding acrosssoftware engineering, signal processing,RF engineering,hardware engineering, andintegrationand operationalteams * Conduct technical reviews and ensure subsystem designs satisfy allocated requirements * Identify and resolve requirements conflicts and technical risks across disciplines ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Python-Based Data Streaming Pipelines Within Minutes](https://www.wearedevelopers.com/videos/1233-python-based-data-streaming-pipelines-within-minutes) - [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Events like RSAC Get You CISOs. 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