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Junior Software Development Engineer In Test Jobs in Fairfax, VA

System One

Sr SDET

Reston, VA · On-site

$116K - $151K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development ... Mentor junior testers and provide leadership across testing initiatives. Required Qualifications ...

System One

Sr SDET

Reston, VA · On-site

$115K - $149K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development ... Mentor junior testers and provide leadership across testing initiatives. Required Qualifications ...

NAVA Software Solutions

SDET Engineer

Merrifield, VA · On-site

NAVA Software solutions is looking for a SDET Engineer Details: SDET Engineer Location : Merrifield, VA(Hybrid) - Weekly once onsite Duration: 12 Months Top 3 Required Skills: * Hands-on development ...

Titania Solutions Group

Be Seen First

Junior Software Development Engineer in Test (Jr SDET)

Mclean, VA · Remote

$60K - $70K/yr

Collaborate with developers, testers, and product teams to understand requirements and test scenarios Minimum Qualifications: * At least 0-3+ years of professional software product development in a ...

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Junior Software Development Engineer In Test information

See Fairfax, VA salary details

$47.5K

$96.6K

$145.1K

How much do junior software development engineer in test jobs pay per year?

As of Aug 30, 2026, the average yearly pay for junior software development engineer in test in Fairfax, VA is $96,638.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,600.00 and $97,600.00 per year, depending on experience, location, and employer.

What is a junior software development engineer in test?

A Junior Software Development Engineer In Test (SDET) is an entry-level professional who combines software development and quality assurance skills to design, develop, and maintain automated tests for software applications. These engineers work closely with developers and testers to ensure the software meets quality standards and functions as intended. They typically write test scripts, identify bugs, and help improve the overall testing process to deliver reliable products.

What are the key skills and qualifications needed to thrive as a junior software development engineer in test?

To thrive as a Junior Software Development Engineer In Test, you need a solid understanding of software testing principles, programming fundamentals (commonly in Java, Python, or C#), and a relevant bachelor's degree in computer science or a related field. Familiarity with test automation frameworks (such as Selenium or JUnit), version control systems like Git, and continuous integration tools is typically required. Strong analytical thinking, effective communication, and a proactive attitude help you identify issues and collaborate within development teams. These skills and qualities are crucial for ensuring software quality, streamlining testing processes, and supporting overall team productivity.

What are some common challenges faced by junior software development engineers in test when starting out, and how can they overcome them?

Junior Software Development Engineers in Test (SDETs) often encounter challenges such as understanding complex codebases, balancing manual and automated testing, and communicating effectively with development teams. To overcome these, it's helpful to ask clarifying questions, seek mentorship, and actively participate in code reviews. Building a solid foundation in both programming and testing principles, along with collaborating closely with more experienced SDETs and developers, can accelerate learning and confidence in the role.

What is the difference between Junior Software Development Engineer In Test vs Software Development Engineer In Test?

AspectJunior Software Development Engineer In TestSoftware Development Engineer In Test
Experience LevelEntry-level, typically 0-2 yearsMid to senior level, 2+ years
ResponsibilitiesAssisting in test automation, executing test cases, learning testing toolsDesigning test frameworks, developing automation scripts, leading testing efforts
Skills & CertificationsBasic programming, testing fundamentals, possibly certifications like ISTQBAdvanced programming, testing automation, certifications often preferred
Work EnvironmentSupportive team, mentorship focus, learning-orientedCollaborative, independent problem-solving, leadership in testing projects

In summary, Junior Software Development Engineer In Test roles focus on learning and supporting testing activities, while Software Development Engineer In Test positions involve more advanced automation development and testing leadership.

What are the most commonly searched types of Software Development Engineer In Test jobs in Fairfax, VA?

The most popular types of Software Development Engineer In Test jobs in Fairfax, VA are:

What cities near Fairfax, VA are hiring for Junior Software Development Engineer In Test jobs?

Cities near Fairfax, VA with the most Junior Software Development Engineer In Test job openings:

Junior Software Development Engineer In Test jobs near you

Software Development Engineer in Test (SDET)

Arlington, VA • On-site

Zetier
Network Security • 11 - 50 employees
Learn more about Zetierexternal

Full-time

Re-posted 24 days ago

Job description

Software Development Engineer in Test (SDET)

Zetier seeks Software Development Engineers in Test (SDET) to design, build, and maintain scalable automated testing capabilities for embedded hardware, cyber platforms, and operational software systems. This role focuses on developing robust test infrastructure, improving product reliability, and enabling continuous validation across hardware and software solutions. Candidates will develop automated validation frameworks, integrate testing into CI/CD pipelines, and support verification activities spanning low-level firmware, networking systems, and mission-driven software capabilities. Work includes functional, integration, regression, and hardware-in-the-loop testing aligned with quality, operational effectiveness, and compliance objectives.

Required:

  • 5+ years experience in software development or test engineering
  • Strong programming experience in Python, C/C++, and/or Rust
  • Experience deploying automated test frameworks (e.g. pytest, Robot)
  • Experience testing embedded or Linux-based systems platforms
  • Hands-on experience integrating testing into CI/CD pipelines
  • Familiar debugging complex HW/SW system interactions
  • Comfortable writing clear technical documentation (e.g. test reports)
  • Strong communication skills across engineering and customer teams
  • Active U.S. security clearance

Desired:

  • Experience with hardware-in-the-loop (HIL) and device automation
  • Experience testing embedded systems, networking devices, or mobile
  • Experience with containerization (e.g. Docker, Kubernetes, QEMU)
  • Familiar with network/protocol validation (e.g. Wireshark, Scapy)
  • Experience with RF or wireless systems (e.g. 802.11ac, Zigbee, SDR)
  • Experience testing firmware, drivers, and low-level code/services
  • Exposure to cybersecurity, vulnerability research, or pentest teams
  • Experience with observability, telemetry, or reliability engineering


Positions available in Arlington, VA.

Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.

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