Software Test Engineer

Columbia, MD, US
Full-time
$103,800 - $218,100
Posted Nov 10, 2026

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Skills

Agile
Communication
Go
Java
Linux
Operations
REST APIs
Test Automation
Troubleshooting

Job description

Job Title: Software Test Engineer

Job Category: Engineering

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

•* *

The Opportunity

CACI is seeking a Software Test Engineer to join a high-performing, cross-functional team supporting the Data Transport System (DTS) portfolio in Columbia, Maryland. In this role, you will help ensure the reliability, performance, and security of mission-critical data transport systems that enable the rapid delivery of information across the Intelligence Community, Department of Defense, and other federal agencies.

You will contribute to enterprise-scale systems responsible for moving time-sensitive data in near real-time, supporting national security missions around the globe. Working alongside software engineers, systems engineers, platform engineers, system administrators, and fellow test professionals, you will validate complex software and infrastructure solutions that directly support the Warfighter and critical decision-makers.

At CACI, our mission is clear: delivering the right data to the right people anytime, anywhere, 24/7. As part of this team, you will play a key role in maintaining secure, resilient, and highly available communication and messaging services that impact mission success every day.

Responsibilities:

•Analyze system requirements and develop comprehensive test and evaluation strategies.

•Create and maintain Test & Evaluation (T&E) documentation, including:

•Test & Evaluation Strategies

•Test & Evaluation Master Plans (TEMP)

•Test Event Plans

•Test Readiness Assessments

•Test Reports and Evaluation Reports

•Design, plan, and execute performance testing and data collection activities.

•Develop evaluation frameworks, test scenarios, timelines, and requirements traceability matrices.

•Collect, analyze, and interpret test data to assess system performance and operational readiness.

•Apply statistical methods to evaluate performance trends and establish confidence in test results.

•Support modeling and simulation activities used for test and evaluation purposes.

•Coordinate and synchronize testing events with program milestones and decision points.

•Establish and maintain data management and configuration management processes.

•Conduct risk assessments and provide recommendations to improve system performance and test effectiveness.

•Collaborate closely with engineering and operations teams to validate new capabilities, enhancements, and maintenance releases.

•Contribute to government testing and readiness products, including Technology Readiness Assessments, Test & Evaluation Plans, Procedures, and Readiness Reviews.

Qualifications:

Required:

•Bachelor's degree in a technical discipline and 2 years of software or systems testing experience. Additional relevant experience may be substituted for a degree.

•Active TS/SCI clearance with Polygraph.

•Current IAT Level II certification (such as Security ).

•Experience testing software applications developed in Java and/or Go.

•Experience working in one or more operating systems, including:

•Linux

•Unix

•Windows

•Cisco operating systems

•Familiarity with one or more of the following technologies or disciplines:

•Public Key Enabling (PKE)

•RESTful services

•Java EE

•Java development

•Perl scripting

•LDAP and directory services

•SSL and file encryption technologies

•Containerized application environments

•Oracle WebLogic, JBoss, or Tomcat

•Linux (CentOS)

•Modern development environments such as IntelliJ or Eclipse

•Agile Scrum methodologies

Desired:

•Experience with automated testing tools such as Selenium.

•Knowledge of messaging and event-streaming technologies, including:

•ActiveMQ

•Apache Artemis

•Apache Kafka

•Experience supporting large-scale enterprise systems within the Intelligence Community or Department of Defense environments.

•Strong analytical and troubleshooting skills, with the ability to identify and resolve complex system issues.

This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

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:

$103,800 - $218,100

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.