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Skills mentionedPythonLinuxGit
Senior Software Test Engineer
(Contract-to-hire)
Sigma Design has collaborated with a leading Electronics Manufacturing company seeking an experienced Senior Software Test Engineer to join their facility in Kirkland, WA. This company delivers commercial radar solutions for end users and integrators in Government and Defense, Critical Infrastructure Protection, Uncrewed Aircraft Systems (UAS), and Autonomous Vehicle markets globally. This position is contract-to-hire.
While on contract you are eligible for
Multiple options for medical insurance and dental insurance including some with FSA and HSA
401(k) with up to 4% company match
15-days of accrued PTO and 9 company paid holidays
Quarterly bonus program
Voluntary benefits: vision, long-term disability, and life insurance
Hybrid Schedule
The hiring range for this role is typically between $72 per hour and $85 per hour, with the full range extending to $98 per hour, based on experience, internal equity, and career progression
This position will be Hybrid
Primary Function
The Senior Software Test Engineer is responsible for independently developing testing strategies for complex products, identifying risks across interconnected systems, and balancing manual exploratory testing with automation. Ideally, they have tested products with both hardware and software dependencies and can work closely with software and firmware engineers.
Essential Job Functions - Responsibilities
Design, execute, and maintain feature-level and end-to-end software test scenarios for complex products
Analyze product requirements and architecture to define test strategies, coverage, and acceptance criteria
Develop and maintain test plans, test cases, and test reports; manage defects through resolution
Perform manual and exploratory testing to identify product risks, edge cases, and failure modes
Build and maintain automated tests where they provide clear value, contributing to existing frameworks
Collaborate with software, firmware, and product teams to improve testability and overall quality
Support test environments, tools, and test execution across projects and releases
Mentor junior engineers and promote strong testing practices and a quality-first mindset
Education and Experience: (Knowledge, Skills, & Abilities)
5+ years of experience in software testing, QA engineering, or test engineering roles
Strong experience validating feature-level behavior and cross-component workflows
Solid understanding of software testing principles, methodologies, and test design techniques
Experience with test automation, including writing and maintaining automated tests (Python preferred)
Experience working in environments with hardware and software dependencies
Practical knowledge of Linux environments, Git workflows, and CI/CD concepts
Understanding of software development practices, defect investigation, and root cause analysis
ITAR - Permanent resident of the United States (“U.S. person” as defined by ITAR)
Background - Pass a post-offer background verification.
Work Environment
Office: Standard office environment with normal office related conditions. Occasionally may be required to travel as required to other facilities, clients, or suppliers.
