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Software Test Engineer III

Job in Centennial, Arapahoe County, Colorado, USA
Listing for: Protingent
Full Time position
Listed on 2026-05-20
Job specializations:
  • Software Development
    Software Engineer, Software Testing
Salary/Wage Range or Industry Benchmark: 60 - 83 USD Hourly USD 60.00 83.00 HOUR
Job Description & How to Apply Below

Position Title:

Software Test Engineer III

Protingent Staffing has an exciting contract opportunity located in Centennial, CO.

Job Responsibilities
  • In this role, you will assist in leading the development and execution of comprehensive test plans, test cases, and test procedures to ensure the functionality, performance, and reliability of software systems.
  • You will lead the development and review of automated test scripts to be leveraged in a Continuous Integration environment, collaborating with software developers and other engineers to understand software requirements and design effective test strategies.
  • You will prioritize and plan testing activities in a fast-paced environment, oversee the defect lifecycle from discovery to resolution by working with developers to reproduce issues and verify fixes, and support the definition of software test risks and opportunities while considering cost and schedule impacts.
  • Additionally, you will review and analyze software design descriptions, ICDs, and requirements in coordination with software development teams, lead and contribute to the continuous improvement of testing processes and methodologies, and implement automated testing tools and frameworks to optimize testing and verification processes.
  • Reporting bugs and errors to development teams and providing insightful feedback to assist in decision-making will be key, as will performing regression testing to ensure new software updates do not negatively impact existing functionality or performance.
  • You will utilize automated testing tools and frameworks to enhance testing efficiency and coverage, maintain and update test documentation such as test plans, test cases, and test reports, and participate in code reviews to provide feedback on software quality and testability.
Job Qualifications
  • Requires bachelor's degree in a related field (or equivalent work experience in lieu of degree or master's +3 yrs experience).
  • Typically, 5+ years of related experience in software testing or software development.
  • Experience with COSMOS.
  • Expertise in multiple programming languages and advanced understanding of software development principles.
  • Ability to design and architect complex software systems.
  • Experience with different software development methodologies such as Agile and Scrum/Kanban.
  • Strong problem-solving skills.
  • Ability to mentor and guide other engineers.
  • Strong analytical and problem-solving skills.
  • Excellent communication and documentation skills.
  • The ability to obtain and maintain a U.S. Security Clearance is required.
Preferred Job Qualifications
  • Proficiency with Linux-based software development environments.
  • Experience with spacecraft flight software or ground command and control software.
  • Experience with automated testing tools and frameworks.
  • Knowledge of software testing methodologies and best practices.
  • Familiarity with continuous integration and continuous deployment (CI/CD) processes.
  • Understanding of software development lifecycle (SDLC) and agile methodologies.
  • Ability to rapidly work with minimal supervision on projects involving both small and large engineering teams.
  • Excellent problem-solving skills and the ability to work effectively in a fast-paced, collaborative environment.
  • Experience with testing software systems used in aerospace or other highly regulated industries.
  • Proficiency in scripting languages such as Python, JavaScript, or Shell.
Job Details
  • Job Type: Contract
  • Location:

    Centennial, CO
  • Pay Rate Range: $60-83/hr.
  • Required US Citizenship
    -May be required to obtain and maintain a U.S. security clearance at the appropriate level.
Benefits Package

Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre‑tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.

About Protingent

Protingent is an Award‑Winning provider of top‑tier Engineering and IT talent, trusted by companies at the front‑line of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.

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