Software Engineer-TS/SCI with Poly
Caci International
Sterling, VA · Posted November 11, 2026
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November 2026
- #6Best cities for mid-career professionals in the Southeast65% · of 87
- #7Best cities for mid-career professionals65% · of 100
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About the job
Job Title: Software Engineer-TS/SCI with Poly
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
* * *
The Opportunity: Are you ready to apply your expertise in software development to help shape the future of mission-critical systems? Join our dynamic team in designing, developing, and maintaining cutting-edge mission management applications built on cloud-native, microservices architectures. As a software developer on this program, you'll collaborate with multiple product teams and immerse yourself in modern development practices, working within an agile framework to support and modernize mission management systems for our customers. Some Continental US and international travel may be required up to 10% as well as surge support.
Responsibilities:
• Develop and maintain Linux-based applications using Java, Python, and scripting languages such as Bash.
• Develop and maintain microservices and user interfaces (UI) for data-rich applications with complex workflows.
• Participate in code reviews to ensure high-quality code and adherence to best practices.
• Identify and resolve performance bottlenecks in applications; optimizing code for efficiency & scalability.
• Design and implement software solutions, script and automate processes, write automated tests, and deploy to an automated DevSecOps pipeline.
• Contribute to the technical direction of the project and collaborate respectfully with teammates, always prioritizing the user mission.
• Be part of a responsive team where strong communication skills and problem-solving abilities are critical to success.
• Foster a culture of information sharing amongst teammates and the management team, and be dedicated to mission and product success.
• Provide support for testing, integration, and deployment of the software baseline.
• Be self-motivated, understand technical concepts, possess good communication skills, and be able and willing to collaborate on technical items with the larger team.
• Be familiar with good development and configuration management practices and have previous development experience.
• May be called in after hours for on call support
Qualifications: Required:
• Clearance: TS/SCI with a Poly is preferred.
• Education: Bachelor's degree in a STEM field or equivalent experience
• Experience: At least 5 years of software development experience
• Must be available to work in-person at the CACI facility in Sterling, VA
• Experience working across the full stack using Java, Hibernate, Vue3, JavaScript, CSS, and HTML.
• A DoD 8570-compliant certification or ability to achieve certification within 2-months of hire (GSEC, Security+ CE, CASP+ CE, CISA, CISSP (or Associate)
• Experience developing within Linux environment
• Experience with version control systems (e.g. git, svn)
• Experience with Scripting languages (e.g. Bash, etc.)
• Experience with micro services (nomad, Docker, Kubernetes)
Desired:
• Experience with Agile methodologies and DevOps practices
• Familiarity with Test-Driven Development (TDD) and automated testing tools
• Experience with databases such as Oracle, Elastic, MySQL, Redis, etc.
• Experience with Git and GitLab for version control
• Current Security+ certification
• Collaboration: Demonstrated experience working effectively in a team environment
• Knowledge of orchestration and containerization tools and techniques (e.g. Docker, Kubernetes, Nomad, Consul)
• DevOps experience for working with and setting up build pipelines in Jenkins
• Adaptability: Eagerness to learn new technologies and improve existing skills
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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:
$94,400 - $198,200
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.