--- title: Software Engineer at CACI International in Lisle, IL description: CACI International is hiring for the Software Engineer role in Lisle, IL. Pays $76K–$155.7K per year. See the full description and apply. type: job url: https://www.foundrole.com/jobs/software-engineer-at-caci-international-01a0b3a3-2ea8-74a5-9389-f698f41b9d9d date: 2026-11-15T17:42:40Z og_description: Join CACI International as Software Engineer in Lisle, IL. Pays $76K–$155.7K per year. Full-time role. og_image: https://www.foundrole.com/og/hgqmvf.png breadcrumbs: - label: Home url: https://www.foundrole.com/ - label: Search url: https://www.foundrole.com/jobs --- | | | |---|---| | **Company** | [CACI International](https://www.foundrole.com/companies/caci-international?utm_source=ai_markdown) | | **Location** | Lisle, IL | | **Salary** | $63.8K/yr - $127.5K/yr | | **Type** | Full Time | | **Posted** | Oct 13, 2026 | ## Is this job real? **Ghost job check:** A- · Low risk. Probably a real opening. ## Visa sponsorship - **H-1B:** CACI International sponsors H-1B visas. It filed 3 H-1B petitions (FY2026 Q1 – FY2026 Q4). - **E-Verify:** No E-Verify enrollment on record for CACI International. ## Pay for similar jobs Most similar jobs pay $110,000 – $170,000 a year (median $136,000). ## Description Job Title: Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US \* * * **Primary Purpose:**   Under direct supervision, participate in research and innovation efforts on complex solutions to security challenges in telecommunications and IP/computer networking equipment in the cyber security domain on multiple hardware platforms utilizing Linux and/or Unix-based operating systems. **More About This Role:**   You will demonstrate breadth and flexibility by contributing at various levels of software development from infrastructure through application, including full stack development, to control customized embedded communication systems. You will be part of a team that solves the most complex networking and communications challenges facing the U.S. Federal Government. You will help deliver groundbreaking research, and advanced networking and communications solutions that provide an information advantage that contributes to the mission and operational success of CACI customers.   **Duties and Responsibilities:** - Work from existing design specifications to implement, test and document software solutions in telecommunications and IP/computer networking equipment in the cyber security domain. - Work with a product development team to develop concepts, identify creative solutions to user requests and assess feasibility of these solutions. - Participate in technical activities spanning multiple technical disciplines including security analysis, software/tool development, software test, development environment and system infrastructure. - Work in a telecommunications development lab environment, use automation tools and lab test equipment, including protocol analyzers - Operate effectively and comfortably in a team environment - Travel to other CACI Locations or Customer Sites as necessary - Understand and adhere to all CACI Ethical and Compliance policies - Proactively ensure a safe work environment and adhere to CACI EH&S policies and procedures - Perform other duties as required **Minimum Education and Experience:** - Bachelor’s Degree in Computer Engineering, Computer Science, Electrical Engineering or related technical discipline and 0-5 years of experience or an equivalent combination of education, skills, and experience. - Experience with RISC-V assembly - Familiarity with Device Drivers - Ability to operate and code in the hardware Layers - Knowledge of Kernel - Software development skills in current languages such as: C, C++, JAVA, Python **Skills and Knowledge:** - Familiar with software engineering process concepts from requirements reviews, code inspection, and system test plan creation to system validation - Use of development tools (e.g. editors, compliers, debuggers) - Knowledge of IP networking and/or telecommunications equipment installation, configuration and maintenance - Some experience debugging system-level issues with various lab equipment - Knowledge of Microsoft software applications and other software applications as required - Knowledge of IP based telephony including its architecture, configuration and maintenance is desired **These Qualifications Would Be Nice to Have:**  - Familiar with development in either Windows, Linux and/or Unix-based operating systems - Software development skills in current languages such as: JavaScript, ARM, MIPS, x86 or comparable languages. - Familiarity with software security concepts such as intrusion detection, cryptography, authentication, firewalls, secure coding practices - Experience debugging system-level issues with various lab equipment - Knowledge of Internet routing techniques protocols and tools - Willingness and ability to quickly learn new technologies - Strong oral and written communication skills - Ability to work both independently and as a collaborative team member **There is no clearance requirement to begin employment. However, as a requirement of continued employment in this position you will be required to obtain a Top Secret clearance.** \- **What You Can Expect:** **A culture of integrity.** At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation. **An environment of trust.** CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. **A focus on continuous growth.** Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy. **Pay Range**: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. The proposed salary range for this position is: $63,800 - 127,500 USD *CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.* ## Skills - Equipment Installation - Protocol Analyzers - Debugging - Cyber Security - C - Inspection - Application Security - Design Thinking - Network Engineering - Security Analysis - Python - Authentication (Software Security) - Tool Development - Automation - Linux Kernel Development - Intrusion Detection Systems (Ids) - Software Development - Internetworking - New Product Development - Laboratory Equipment - C++ - Phone Systems - JavaScript - Written Communication - Computer Engineering - Top Secret Security Clearance - System Testing - Maintenance - Unix - Computer Science - Cryptography - Linux - Design Specifications - ARM Architecture - Verification And Validation - Electrical Engineering - Secure Coding - Risc-v - Java - Device Drivers - Firewall Configuration ## Benefits - Professional Development - Paid Time Off (Pto) ## Related - [More jobs at CACI International](https://www.foundrole.com/companies/caci-international?utm_source=ai_markdown) - [Technology & Software jobs](https://www.foundrole.com/careers/technology-and-software?utm_source=ai_markdown)- [Software Development jobs](https://www.foundrole.com/careers/technology-and-software/software-development?utm_source=ai_markdown)- [Software Developer / Engineer jobs](https://www.foundrole.com/careers/technology-and-software/software-development/software-developer-engineer?utm_source=ai_markdown)- [Browse all companies](https://www.foundrole.com/companies?utm_source=ai_markdown) ## Explore this job market - [Illinois](https://www.foundrole.com/locations/us/illinois?utm_source=ai_markdown) — 101444 jobs - [Defense and Space](https://www.foundrole.com/sectors/aerospace-and-defense/defense-and-space?utm_source=ai_markdown) — 61184 jobs - [CACI International](https://www.foundrole.com/companies/caci-international?utm_source=ai_markdown) — 2075 jobs ## Related pages - [Illinois](https://www.foundrole.com/locations/us/illinois?utm_source=ai_markdown) — 101444 jobs - [Defense and Space](https://www.foundrole.com/sectors/aerospace-and-defense/defense-and-space?utm_source=ai_markdown) — 61184 jobs - [CACI International](https://www.foundrole.com/companies/caci-international?utm_source=ai_markdown) — 2075 jobs ## Browse - [Companies](https://www.foundrole.com/companies?utm_source=ai_markdown) - [Jobs by country](https://www.foundrole.com/locations?utm_source=ai_markdown) - [Jobs in the United States by state and city](https://www.foundrole.com/locations/us?utm_source=ai_markdown) - [H1B sponsors by location](https://www.foundrole.com/h1b-sponsors?utm_source=ai_markdown) - [H1B salaries](https://www.foundrole.com/h1b-salaries?utm_source=ai_markdown) - [Sectors and industries](https://www.foundrole.com/sectors?utm_source=ai_markdown) - [Jobs by career field](https://www.foundrole.com/careers?utm_source=ai_markdown) - [Latest jobs](https://www.foundrole.com/jobs/latest?utm_source=ai_markdown)