Test Automation Engineer

Job overview

The Test Automation Engineer role is onsite in Washington, DC, with an annual base salary range of $70,000–$100,000. The engineer supports T-Rex Solutions’ IRS EDOS program, which is intended to modernize legacy tax-processing systems and improve taxpayer experience. The role enables full-stack delivery by building and executing automated testing across the application lifecycle. It helps improve software quality through continuous testing, defect reporting, and collaboration with multidisciplinary teams.

What you'll do

• Perform continuous security, API, and regression testing
• create automation strategies and scripts
• support test data and environment configuration
• participate in code reviews
• monitor and report defects
• contribute to continuous improvement of end-to-end testing.

What we're looking for

Skills & competencies

test automation engineer

automated testing

api testing

regression testing

security testing

quality engineering

agile/scrum

washington dc

$70k–$100k/year

irs edos

Work arrangement

• Weekend coverage required

Benefits & perks

• Performance bonuses, training and educational reimbursement, 401(k), healthcare benefits, PTO available immediately upon joining, paid parental leave, health, vision and dental benefits, professional development budget, and tuition reimbursement.

Why this role

The position supports an IRS modernization program and requires U.S. citizenship, an active IRS MBI clearance, and current GFE.

About the employer

T-Rex Solutions is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.