The Opportunity:
Design, develop, integrate, and maintain complex software and system solutions supporting Department of Defense intelligence, electronic warfare, and cyber systems. As a Software System Integrator III, you will:
Design and integrate software, firmware, and computing systems solutions with hardware and specialized engineering components across multi-disciplinary systems
Develop and integrate mission capabilities for next-generation intelligence and Electronic Warfare (EW) platforms
Apply software standards, processes, procedures, and tools throughout the system lifecycle to support multi-disciplinary solutions
Interface with cross-functional engineering teams, government stakeholders, and industry partners on system integration efforts
Solve complex integration problems and recommend enhancements to software and system architecture
Provide technical leadership in delivering integration, engineering, and operational support services
Responsibilities:
Design, develop, and support software and firmware components integrated with non-IT engineering systems including hardware, communications, cyber, electrical, or other specialized engineering domains
Design and document hardware/software interfaces between system components to ensure seamless integration
Develop and integrate solutions requiring aerospace, communications, cyber, electrical, mechanical, or other specialized engineering domain knowledge
Implement distributed and asynchronous programming models to support complex, multi-disciplinary system integration
Support integration and test events including development, operational, and acceptance testing
Apply CI/CD pipelines, container orchestration, and automated deployment practices to streamline software integration
Develop and maintain technical documentation including system integration plans, interface control documents, and integration test procedures
Apply system security and information assurance processes to ensure compliance with government requirements
Troubleshoot and resolve complex, multi-layer integration issues across software, hardware, and network components
Support the integration of simulations, tactical displays, sensors, and electro-mechanical systems into unified operational capabilities
Interface with customers, suppliers, application users, and other technical and support personnel throughout the integration lifecycle
Coach and mentor junior engineers on integration best practices and troubleshooting techniques
Qualifications:
Required:
Active Secret security clearance
Master's degree in Engineering or Mathematics
10+ years of professional experience in software engineering and/or systems integration
Strong understanding of software design concepts, patterns, tools, and integration best practices
Demonstrated experience integrating software with hardware, communications, or other specialized engineering domains
Experience with distributed and asynchronous programming models
Experience designing and documenting hardware/software interfaces between complex system components
Strong understanding of system security and information assurance processes for government compliance
Proven track record of providing technical leadership in architecture, engineering, and integration services
Excellent problem-solving skills with ability to resolve complex, multi-layer technical issues
Strong communication skills with ability to interface effectively with customers, suppliers, and technical teams
Desired:
Active Top Secret security clearance with SCI eligibility
Experience with CMOSS/MORA interface standards and VPX architectures
Experience with Kubernetes and container orchestration platforms
Experience with DevSecOps pipeline tooling such as GitLab, Jenkins, Nexus, Ansible, and/or Foreman
Experience with Web Technologies such as Angular, JavaScript/React, HTML5, and CSS
Experience with database programming and integration
Experience in service-based development and microservice architectures
Working knowledge of signal processing fundamentals for SIGINT/EW applications
Experience developing and integrating Digital Signal Processing (DSP) applications
Java development experience
Willingness to learn and apply the best technology for a given application or service
Familiarity with Risk Management Framework (RMF) and system authorization processes
Experience supporting government intelligence or defense program offices
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:
$126,100 - 277,300 USDSkills Required
- Active Secret security clearance
- Master's degree in Engineering or Mathematics
- 10+ years of professional experience in software engineering and/or systems integration
- Strong understanding of software design concepts, patterns, tools, and integration best practices
- Experience integrating software with hardware, communications, or specialized engineering domains
- Experience with distributed and asynchronous programming models
- Experience designing and documenting hardware/software interfaces between complex system components
- Strong understanding of system security and information assurance processes for government compliance
- Proven technical leadership in architecture, engineering, and integration services
- Excellent problem-solving skills for complex, multi-layer technical issues
- Strong communication skills for interfacing with customers, suppliers, and technical teams
- Active Top Secret security clearance with SCI eligibility
- Experience with CMOSS/MORA interface standards and VPX architectures
- Experience with Kubernetes and container orchestration platforms
- Experience with DevSecOps tooling such as GitLab, Jenkins, Nexus, Ansible, or Foreman
- Experience with Angular, JavaScript/React, HTML5, and CSS
- Experience with database programming and integration
- Experience in service-based development and microservice architectures
- Working knowledge of signal processing fundamentals for SIGINT/EW applications
- Experience developing and integrating Digital Signal Processing applications
- Java development experience
- Familiarity with Risk Management Framework and system authorization processes
- Experience supporting government intelligence or defense program offices
CACI International Inc Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CACI International Inc and has not been reviewed or approved by CACI International Inc.
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Healthcare Strength — Pay is supported by a broad set of health-plan options across multiple national carriers, with telemedicine and tax-advantaged accounts included. Dental and vision choices are also described as multi-option, which strengthens overall coverage breadth.
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Leave & Time Off Breadth — Flexible Time Off is available for many salaried-exempt roles, while hourly roles accrue PTO, creating multiple time-off pathways by employment class. Paid disability coverage, fixed holidays, and paid leave programs (including parental leave and other leave types) further round out time-off and leave coverage.
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Retirement Support — Retirement support includes a 401(k) match structure described as 50% up to 8% of pay (effective 4%) and an Employee Stock Purchase Plan with a discount. Tuition reimbursement and certification support also add to the overall rewards package that complements core retirement benefits.
CACI International Inc Insights
What We Do
CACI’s approximately 23,000 talented employees are vigilant in providing the unique expertise and distinctive technology that address our customers’ greatest enterprise and mission challenges. Our culture of good character, innovation, and excellence drives our success and earns us recognition as a Fortune World's Most Admired Company. As a member of the Fortune 1000 Largest Companies, the Russell 1000 Index, and the S&P MidCap 400 Index, we consistently deliver strong shareholder value. Visit us at www.caci.com.








