Senior Software Engineer – GATEKEEPER

CACI International
Hanover, MD, United StatesFull-time$131,800–$290,000Posted Sep 3, 2026

About the role

Job Title: Senior Software Engineer – GATEKEEPER

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

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The Opportunity:

Join CACI as part of the MWIII Bridge program, supporting mission-critical Identity, Credential, and Access Management (ICAM) capabilities across the Intelligence Community. Based in Hanover, MD, our team designs, builds, and sustains enterprise-grade solutions that strengthen security and enable seamless access across the IC. As a Senior Software Engineer on the GATEKEEPER team, you’ll work within a collaborative environment and contribute to a product that has direct impact on national security.

Responsibilities:

In this role, you will support the full Software Development Life Cycle (SDLC) for the GATEKEEPER product, partnering closely with developers, systems engineers, QA specialists, and DevOps teams. Your work will include:

Designing, developing, integrating, and maintaining enterprise software solutions

Enhancing capabilities using Java/Spring Boot, Python, relational and NoSQL databases, and modern CI/CD pipelines

Supporting DoD product installations, deployments, troubleshooting, and sustainment

Participating in technical reviews, resolving complex issues, and ensuring high-quality, maintainable code

Creating and updating technical documentation, including architecture diagrams, workflows, deployment procedures, and training materials

Collaborating across teams to deliver robust, scalable, and secure capabilities

Qualifications:

Required:

Active TS/SCI clearance with polygraph

Bachelor's degree in computer engineering, computer science, or a related discipline

12+ years of software engineering experience

5+ years of experience in SIGINT, IA, or IT domains

(Optional substitution) 4 additional years of software engineering experience may replace the degree requirement, totaling 16 years

Desired

Strong experience with Java (Spring Boot) and Python

Proficiency in RDBMS (Postgres) and NoSQL (MongoDB)

Database optimization experience desired

Experience collaborating closely with test teams and stakeholders to refine requirements

Hands-on experience with Docker (packaging, development, orchestration)

Familiarity with AI concepts, LLM-based tools, or building Retrieval-Augmented Generation (RAG) applications

Experience with modern front-end frameworks such as Angular, React, or Vue

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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:

$131,800 - $290,000

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.

Responsibilities

  • Designing, developing, integrating, and maintaining enterprise software solutions
  • Enhancing capabilities using Java/Spring Boot, Python, relational and NoSQL databases, and modern CI/CD pipelines
  • Supporting DoD product installations, deployments, troubleshooting, and sustainment
  • Participating in technical reviews, resolving complex issues, and ensuring high-quality, maintainable code
  • Creating and updating technical documentation, including architecture diagrams, workflows, deployment procedures, and training materials
  • Collaborating across teams to deliver robust, scalable, and secure capabilities

Qualifications

  • Active TS/SCI clearance with polygraph
  • Bachelor's degree in computer engineering, computer science, or a related discipline
  • 12+ years of software engineering experience
  • 5+ years of experience in SIGINT, IA, or IT domains

Benefits

  • Healthcare
  • Wellness
  • Financial
  • Retirement
  • Family support
  • Continuing education
  • Time off benefits

Skills mentioned

JavaSpring BootPythonPostgreSQLMongoDBQuery OptimizationDockerCI/CDRetrieval-Augmented GenerationSystem Design

About CACI International

At CACI International Inc (NYSE: CACI), our 27,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security. We are a company of good character, relentless innovation, and long-standing excellence. Our culture drives our success and earns us recognition as a Fortune World's Most Admired Company. CACI is a member of the Fortune 500™ Largest Companies, the Russell 1000 Index, and the S&P MidCap 400 Index. For more information, visit us at www.caci.com. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities

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