Software Development Engineer (SDET)

System One
Merrifield, VA



Job Title: Senior Software Development Engineer (SDET)
Location: Hybrid Work Model Reporting to Vienna, VA, Pensacola, FL, San Diego, CA
Pay Rate: Open to Both C2C and W2 options
Position Type: Multiyear Contract


Responsibilities

  • Work with engineers to troubleshoot and remediate automation issues in testing and deploying environments
  • Work alongside developers as well as the business stakeholders and strive to automate the acceptance criteria
  • Understand, and implement agile development methodologies while working with teams using the Sprint/Scrum methodology of agile
  • Understand project documents, customer demands, and product objectives to create and execute test cases
  • Test complex API, web and mobile based applications that reference database back-end systems
  • Support non-functional requirements such as, performance testing
  • Set up, maintain, and perform test automation frameworks on multiple application platforms, such as Mobile, Desktop, and Web, and building test scenarios and acceptance tests
  • Participate in all agile ceremonies (standups, planning, backlog refinement, reviews, etc.) ensuring QA and testing is continuously represented and effectively incorporated into all aspects of the project
  • Own end-to-end test strategy, analyze requirements, build test plan, design test cases and implement test automation for applications of moderate to high complexity
  • Manage the final quality on production release
  • Develop, execute, and maintain automation test scripts to meet software release deliverables, project testing requirements and other quality considerations
  • Develop smoke, functional, regression, and integration test suites for UI, API Services, and databases
  • Develop and execute manual test cases to detect issues that cannot be detected through automated means (when needed)
  • Design customer centric automation test processes for all existing and new product development
  • Apply a strong understanding of software testing/delivery to build and maintain automated test harnesses and test suites using scripting languages and industry tools
  • Ability to advocate for Improvements in automation engineering efforts to the executive management team

Requirements

  • At least 5 years overall SDET and/or development hands on experience
  • At least 2 years of mobile apps test automation experience in Android and/or iOS, Web, API
  • At least 4 years of professional experience in software test automation, including creation and deployment of frameworks and design and maintenance of test automation
  • At least 2 years of API Automation Testing
  • Experience with agile development methodology
  • Experience with Cl/CD pipelines using tools such as GitHub, Jenkins, JUnit, Selenium, Cucumber, etc.
  • Experience with Test Driven Development (TDD), BDD Behavior Driven Development, and Agile (XP)
  • Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium
  • Experience working with a ticketing system such as Service Now or Jira
  • Hands on experience with any cloud technology platforms, preferably Microsoft Azure
  • Must have hands on experience in Selenium Scripting, and SQL querying
  • Must have hands on experience utilizing cloud hosted testing platforms such as Perfecto
  • Proficient in debugging issues
  • Proficient in Java
  • Proficient in writing functional automation (UI/API)
  • Solid foundation in data structures, algorithms, design patterns and strong analytical and problem-solving skills
  • Working knowledge of Pull requests, code reviews, etc.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.



Ref: #851-Rockville-S1

Posted 2026-03-29

Recommended Jobs

Lead Fitter/Fabricator (1st Shift)

Cannonball Recruiting LLC
Richmond, VA

1st Shift Lead Fabricator Shift: Mon-Fri (6am to 3:30pm) Pay: $27-32/hr. Description: We are seeking an experienced and motivated Lead Fabricator to join our structural steel team. In th…

View Details
Posted 2026-02-06

Lead Software Engineer (AWS, Google Cloud, Azure, Python, React.js, Angular) in McLean, VA

DBA Web Technologies
McLean, VA

Lead Software Engineer (AWS, Google Cloud, Azure, Python, React.js, Angular) in McLean, VA Angular JS, AWS, Azure, Java, JavaScript, Machine Learning, React, REST API, Software Development Location:…

View Details
Posted 2026-01-29

Licensed Practical Nurse (LPN)

BioLife
Harrisonburg, VA

Please take this virtual tour to get a sneak peek of one of our Plasma Donation Centers. About BioLife Plasma Services  Every day, the donors you meet will motivate you. The high-quality plasm…

View Details
Posted 2026-03-31

Practice Manager

The Women's Center
Vienna, VA

Practice Manager Full-Time | Vienna, VA About The Women’s Center: The Women’s Center is a nonprofit community mental health practice located in Vienna, Virginia. We provide high-qualit…

View Details
Posted 2026-03-30

Roofing Field Supervisor

CentiMark Corporation
Richmond, VA

CentiMark Corporation , the national leader in the commercial roofing industry, has an exceptional opportunity for an experienced Roofing Field Supervisor in Richmond, VA. We offer competitive…

View Details
Posted 2026-02-18

Utility I- WORK BASED LEARNING

Mohawk Industries
Hillsville, VA

Are you looking for more? At Mohawk Industries, we’re committed to more – more customer solutions, more process improvements, more sustainable manufacturing and more opportunities for our t…

View Details
Posted 2025-10-17

Director, Product Management- Enterprise Content Products

Capital One
Richmond, VA

Overview Director, Product Management- Enterprise Content Products Product Management at Capital One is a booming, vibrant craft that requires reimagining the status quo, finding value creatio…

View Details
Posted 2026-02-05

Warehouse Associate

SGS Consulting
Virginia

Job Responsibilities: Handle all incoming shipments. Perform verification of purchased products and enter order receipts into Company’s computer system. Perform quality assurance inspections…

View Details
Posted 2025-12-11

Cable Technician - Top Secret

General Dynamics Information Technology
Arlington, VA

Public Trust: None Requisition Type: Regular Your Impact Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the glob…

View Details
Posted 2026-03-30

Journeyman Electrician

Charlottesville, VA

Job Title: Journeyman Electrician Job Description We are seeking a Journeyman Electrician with 4 + years of Journeyman level expereience to oversee a small crew responsible for installing energ…

View Details
Posted 2026-02-19