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Test Engineer

Set-of-x Columbia, Maryland, United States

onsitefull-time
Posted Feb 4, 2026Apply by May 5, 2026

Role & seniority

  • Senior Test Engineer (5+ years experience)

Stack/tools

  • Python (development/execution of test scripts, regex)

  • Test automation concepts (potential: PyTest, Jenkins CI)

  • Linux environment familiarity

  • SPLUNK (desirable)

  • Agile environment (desirable)

  • Telephony and networking hardware/test beds

  • Lab environment setup and maintenance

Top 3 responsibilities

  • Conduct software testing via formal automated methods across multiple hardware platforms; build and execute test scripts; analyze results

  • Generate test cases from requirements, perform baseline, system, and regression testing; document results clearly

  • Create and maintain test artifacts (test plans, traceability matrices, test summary reports) and analyze procedures; manage discrepancy reports

Must-have skills

  • 5+ years as a test engineer developing/executing tests and analyzing results for complex systems

  • Strong Python proficiency; scripting and regex for data analysis

  • Experience integrating new/old technologies into network configurations and test beds

  • Ability to design test scenarios and prioritize/test plans; manage discrepancy reports

  • Ability to build/test multiple lab environments with telephony/network hardware; adapt schedules to issues

Nice-to-haves

  • Jenkins or other CI frameworks; PyTest

  • SPLUNK; Linux experience

  • Agile workflow familiarity

Location & work type

Clearance: TS/SCI with polygraph required

Location: not specified; benefits indicate remote/virtual-offic

Full Description

WE ARE HIRING OWNERS Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership Because who you work with matters.


Responsibilities

  • Test software following a formal automated testing method using various telephony and networking hardware spanning multiple hardware platforms.
  • Generate test cases based on defined requirements and product functionality.
  • Perform baseline, system, and regression level testing in support of research and development efforts.
  • Analyze large log data sets and software test data while documenting results in a clear and concise manner.
  • Create test documents such as test plans, requirements verification traceability matrices, and test summary reports, and provide analysis of test procedures.

Required

  • 5+ years of experience with being a test engineer developing or executing test scripts and analyzing results in while performing system testing of complex systems
  • Strong Python experience
  • Experience with using and developing scripts in Python and creating regular expressions for searching data sets
  • Experience with integrating new and old technologies into existing network configurations and test beds
  • Experience with creating scenarios that support the creation of test cases and analysis of procedures
  • Ability to manage discrepancy reports identified during testing
  • Ability to develop, build, and test multiple lab environments using various telephony and networking hardware following formal testing methods
  • Ability to set priorities and rearrange schedules to address unexpected issues, and perform baseline, system, and regression level testing in support of research and development efforts

Desired

  • Knowledge of Jenkins or other Continuous Integration Frameworks
  • Knowledge of PyTest automation frameworks
  • Knowledge of SPLUNK
  • Knowledge of working in a Linux environment
  • Knowledge of working in an Agile environment

Clearance

  • TS/SCI clearance with polygraph is required.
  • Total Compensation Package

We offer a comprehensive compensation package designed to support your well-being and professional growth. Our competitive base salary is complemented by an extensive benefits program, including

Health, Dental, and Vision Insurance: Comprehensive coverage to keep you and your family healthy.

Life and Disability Insurance: Peace of mind with financial protection for you and your loved ones.

401(k) Plan: No personal investment required to benefit from a generous employer contribution, allowing you to maximize your take-home pay.

Paid Time Off: Enjoy time away from work to recharge.

Technology Refresh: Upgrade your devices regularly, or opt for a year-end bonus if you don’t need new tech.

Training and Professional Development: A $5,250 annual budget for ongoing education, certifications, and professional memberships. Or use this annual benefit to repay a student loan tax-free. For a full overview of our benefits, please visit our benefits tab. Additional Perks and Benefits

Stock Plan: Become an equity owner with a yearly stock grant—let's build the future together.

Flex Leave and Exchange Plan: Take up to 8 weeks off for a strong work-life balance or sell back unused time for double the value!

Virtual Office Compensation: Monthly reimbursement for cell phone and internet services.

Fringe Benefit Mall: Choose from perks like Uber rides, a beer of the month club, Amazon Prime, and Hello Fresh—whatever suits you best!

Profit-Sharing Cash Bonus: Share in the company’s success with an end-of-year cash bonus.

Referral Bonus: Help us grow by bringing in top talent and earn a bonus for each successful referral.

Test EngineeringPythonAutomated TestingTelephonyNetworking HardwareSystem TestingRegression TestingData AnalysisTest PlansAgileJenkinsPyTestSPLUNKLinuxContinuous Integrationmulti-location

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