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Software Test Engineer Security Clearance

Job in O Fallon, O'Fallon, St. Clair County, Illinois, 62269, USA
Listing for: CACI
Full Time position
Listed on 2026-08-27
Job specializations:
  • IT/Tech
    Systems Analyst, IT QA Tester / Automation
Job Description & How to Apply Below
Position: Software Test Engineer with Security Clearance
Location: O Fallon

Job Title:

Software Test Engineer 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:
Continental US *
*
* The Opportunity:

Join our team supporting USTRANSCOM's Joint Transportation Management System (JTMS), a mission-critical enterprise platform that modernizes transportation, logistics, and financial operations through SAP S/4

HANA ERP integration. We're looking for an accomplished Software Test Engineer to execute hands-on manual testing with the potential for limited test automation for this large-scale SAP implementation. Your expertise in test execution and SAP testing frameworks will be essential to ensuring system reliability and performance. In this role, you'll partner with cross-functional teams-including developers, business analysts, and product owners-to deliver robust, scalable SAP solutions.

Responsibilities:
* Requirements Analysis:
Review user stories and functional requirements to identify test scenarios, edge cases, acceptance criteria and other testing requirements

* Test Development:
Design, build, and maintain test scripts for SAP Fiori, Mendix applications, workflows, and integrations

* Comprehensive Testing:
Execute functional testing across JTMS modules and customizations at the Agile team level within a SAFe Agile framework

* Defect Management:
Document defects with detailed reproduction steps, track issues to resolution, and communicate findings effectively to development teams

* Stakeholder

Collaboration:

Work closely with developers and business stakeholders to clarify requirements and maximize test coverage

* Test Documentation:
Create and maintain comprehensive test plans, test cases, test data sets, and traceability matrices aligned with SAFe Agile practices

* Agile Participation:
Actively engage in sprint planning, daily stand-ups, retrospectives, and other Agile ceremonies

* Continuous Improvement:
Identify opportunities to enhance testing processes, tools, and quality assurance practices

Qualifications:

Required:

* Security Clearance:
Active Secret clearance (required)

* Education:

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent professional experience)

* Experience:

Minimum 5 years in manual software testing of large-scale ERP systems

* SAP Expertise:
Proven hands-on testing experience of SAP S/4

HANA applications, including workflows and integrations

* Agile Methodology:
Strong working knowledge of SAFe Framework, SDLC, and Agile development practices

* Core Competencies:

Excellent analytical and problem-solving abilities, Strong written and verbal communication skills, Ability to work independently and collaboratively in team environments Desired:
* Test automation experience, preferably with Tricentis TOSCA and/or Ui Path

* Certifications:

ISTQB or similar testing certification

* Technical

Skills:

Experience with Service Now CWM (Collaborative Work Management) for Agile test management and defect tracking

* Dev Sec Ops  Knowledge:
Familiarity with CI/CD pipelines, Jenkins, Git, and Dev Sec Ops  best practices

* Government

Experience:

Previous experience supporting federal agencies or Department of Defense clients - 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. Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this…
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