Posted August 23, 2026
Cybersecurity Test Engineer - Top Secret Clearance
Diversified Technical Services, Inc
San Antonio, TX, US
Full Time
Job Description
Job Description
DTSI is seeking a Cybersecurity Test Engineer with an active TS/SCI clearance to design, execute, and optimize software test procedures supporting mission-critical capabilities in a secure, classified environment. This role is part of a high-impact program supporting a DoD customer, ensuring operational readiness and cyber resilience across distributed systems.Duties & ResponsibilitiesConduct rapid testing and deployment of System Support Services using distributed, secure test environmentsDesigns, implements and conducts test and evaluation procedures to ensure system requirements are metDevelops, maintains and upgrades test scripts and architectures for application productsWrite, implement and report status for system test cases for testing based on system design specificationsAnalyze test cases and provides regular progress reportsServes as subject matter specialist providing testing know-how for the support of user requirements of complex to highly complex software/hardware applicationsEnsures documentation is updated based on the new user requirementsEvaluates, recommends and implements automated test tools and strategiesMust be able to successfully design, document and execute test plans and test casePerform related duties as assigned by supervisorMaintain compliance with all company policies and proceduresRequirements4+ years of software testing / QA experience in DoD or other secure operational environments.Proficiency with test management tools (e.g., JIRA, TestRail) and automated testing frameworks.Experience in Agile or DevSecOps environment.Active Top Secret (TS/SCI) security clearanceDoD 8140.03, IA Technician Level II certification (Security+ ce)Inclusion & DiversityDTSI is an Equal Opportunity Employer. Applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.DisclosureDTSI is an equal opportunity employer that uses E-Verify to confirm work authorization. Background investigations may be conducted to determine applicant's eligibility for a Department of Defense security clearance.EEOC Know Your RightsWhy DTSIDTSI has built an unwavering reputation of delivering cutting-edge IT solutions with a focus on exceeding customer expectations and a relentless drive to be the best in the industry. Our success, undoubtedly, is a direct result of our people. We are intentional in seeking individuals who are hard-working, disciplined, visionary, and approach all tasks and interactions with an attitude of excellence. If this is you, we invite you to join Team DTSI!Benefits401(k) Retirement Plan with Employer ContributionPaid Vacation TimePaid Federal HolidaysPaid Sick LeaveHealth InsuranceDental & Vision InsuranceShort and Long Term DisabilityLife InsuranceSupplemental Insurance (Accidental, Hospital Confinement, Cancer Assistance, Critical Illness)Certification & Tuition ReimbursementProud of Our Past. Improving the Present. Focused on the Future.If you are unable to use our online application to apply for this position, please use one of the following options to submit your resume and qualifications: Email: [email protected] with job title in Subject lineMail to our corporate office: DTSI212 N. Alamo St. Suite 300San Antonio, TX 78205Attn: Recruiting - [job title]
