Software Engineer III

CACI International Inc; Maryland; On-site; USD 126,000 - 277,000; Full time

Benefits offered by this job

Flexible time off

Learning resources

Healthcare

Retirement benefits

Job summary

CACI International Inc. is seeking a Software Engineer III to design, develop, and maintain complex DoD mission-critical software systems. You will lead architecture and implement scalable, secure solutions across SIGINT, EW, and Cyber Operations platforms.

The role requires strong programming skills in Java, C++, Python, and experience with Agile, DevSecOps, and CI/CD practices. You will mentor teams and collaborate with government partners to deliver secure, reliable software.

Qualifications

• Active Secret security clearance.
• Master's degree in a quantitative field (CS/CE/EE/SE/IT/Math) with CS concentration.
• 10+ years of professional software engineering experience.
• Strong experience with Java, C++, Python in professional environments.
• Experience with Agile, DevSecOps, and CI/CD practices.
• Experience designing, developing, and deploying production software applications.
• Understanding of software architecture patterns and best practices.
• Experience with Git and collaborative workflows.

Responsibilities

• Design and implement enterprise-scale software architectures using modern languages and frameworks.
• Develop DSP applications for SIGINT, EW, and Cyber solutions.
• Build distributed, asynchronous programming models for mission systems.
• Implement CI/CD pipelines, container orchestration, and deployment automation.
• Develop microservices and RESTful APIs; write automation scripts (Python, Bash).
• Lead architectural discussions and mentor junior engineers.

Skills

Java

C++

Python

Agile

DevSecOps

CI/CD

Mentoring

Git

Education

Master's degree in a quantitative field

Tools

Git

Kubernetes

Docker

REST APIs

Job description

Job Title: Software Engineer III

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

The Opportunity

• Design, develop, test, and maintain complex software applications and systems for mission-critical DoD intelligence and operational systems
• Lead the architecture and implementation of scalable, secure, and high-performance software solutions
• Develop mission capabilities for SIGINT, EW, and Cyber Operations platforms
• Apply modern software development methodologies including Agile, DevSecOps, and CI/CD practices
• Provide technical leadership and mentorship to software development teams
• Interface with product managers, systems engineers, and cross-functional teams across government and industry partners
• Solve complex technical problems and recommend enhancements to software architecture

Responsibilities

• Design and implement enterprise-level software architectures using modern programming languages and frameworks
• Develop Digital Signal Processing (DSP) applications for SIGINT, EW, and Cyber solutions
• Design and implement distributed and asynchronous programming models for mission systems
• Design and document hardware/software interfaces between system components
• Implement and manage CI/CD pipelines, container orchestration, and deployment automation
• Develop microservices architectures and service-based applications with RESTful APIs
• Write and maintain scripts using Python, Bash, or other scripting languages for automation and deployment
• Design production-grade applications with security, diagnostics, maintainability, scalability, auditing, and complex multi-layer troubleshooting capabilities
• Integrate systems with enterprise services, databases, and cloud architectures
• Apply software standards, processes, procedures, and tools throughout the system lifecycle
• Conduct code reviews, develop coding standards, and ensure software quality and security compliance
• Develop technical documentation including software design documents, API specifications, and user guides
• Support integration and test events including development, operational, and acceptance testing
• Lead architectural discussions and influence technical direction of software development initiatives

Qualifications

• Active Secret security clearance
• Master's degree in a quantitative field such as Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, Information Technology, Information Systems, or Mathematics with concentration in computer science
• 10+ years of professional experience with software engineering
• Strong experience with applying programming concepts in professional environments using languages such as Java, C++, Python, or similar
• Demonstrated experience with modern software development methodologies including Agile, DevSecOps, and CI/CD practices
• Experience designing, developing, and deploying production software applications
• Strong understanding of software architecture patterns, design principles, and best practices
• Experience with version control systems such as Git and collaborative development workflows
• Proficiency with automated testing frameworks and quality assurance practices
• Strong analytical and problem-solving skills with ability to troubleshoot complex technical issues
• Excellent communication skills with ability to explain technical concepts to non-technical stakeholders
• Demonstrated ability to lead technical teams and mentor junior engineers

Desired

• Active Top Secret security clearance with SCI eligibility
• Agile Developer certification or Certified Scrum Developer certification
• 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, SonarQube, JFrog Artifactory, Ansible, Foreman, or Fortify
• Experience with Web Technologies such as Angular, React, JavaScript, HTML5, and CSS
• Experience with database programming including SQL and NoSQL databases
• Experience in microservice architectures and API development
• Working knowledge of signal processing fundamentals and RF systems
• Experience with MATLAB, Simulink, or GNU Radio for signal processing applications
• Knowledge of cloud platforms such as AWS, Azure, or on-premises cloud solutions
• Experience with Security Technical Implementation Guides (STIGs) and secure coding practices
• Understanding of Risk Management Framework (RMF) and system security authorization processes
• Familiarity with Intelligence Community systems and data formats
• Experience supporting government program offices in intelligence or defense sectors
• Knowledge of distributed computing, parallel processing, or high-performance computing

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 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.