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Find & Apply For Software QA Engineer / Tester Jobs in Gaithersburg, Maryland

Browse jobs from a variety of sources below, sorted with the most recently published, nearest to the top. Click the title to view more information and apply online.

Job

Actalent

Gaithersburg, MD

Work FlexibilityRemote

Posted1 week ago

Updated22 hours ago

Full-Time
$130,000.00

Job

Actalent

Gaithersburg, MD

Work FlexibilityOnsite

Posted1 week ago

Updated1 week ago

Full-Time
$130,000.00

Job

ClearanceJobs.com | Leidos, Inc.

Gaithersburg, MD

Work FlexibilityOnsite

Posted3 weeks ago

Updated8 hours ago

Full-Time
$97,637.00

Job

Leidos Inc

Gaithersburg, MD

Work FlexibilityOnsite

Posted6 weeks ago

Updated2 weeks ago

Full-Time
$103,112.00

Job

Leidos

Gaithersburg, MD

Work FlexibilityOnsite

Posted03/10/2026

Updated2 weeks ago

Full-Time
$122,275.00

Job

00100 LEIDOS, INC.

Gaithersburg, MD

Work FlexibilityOnsite

Posted03/09/2026

Updated2 weeks ago

Full-Time
$122,275.00

Job

Senior Test Engineer

00100 LEIDOS, INC.

Gaithersburg, MD

Work FlexibilityOnsite

Posted02/20/2026

Updated2 weeks ago

Full-Time
$129,575.00