Posted 14d ago
Performance Tester
Best fit for
This role is best for mid-level QA engineers with hands-on experience in Java, JavaScript / TypeScript, SQL, Performance testing (JMeter / k6 / LoadRunner) open to working from Calverton, Maryland, US.
Skills you need for this role
Detected from the job title, description, and tags.
Programming languages
- Java — Dominant language for enterprise QA + Selenium/RestAssured stacks.
- JavaScript / TypeScript — Required for Playwright, Cypress, and modern front-end test tooling.
- SQL — Data validation and back-office QA rely on solid SQL.
Domain & process
- Performance testing (JMeter / k6 / LoadRunner) — Different discipline from functional QA — expect scenario and metrics questions.
- Test management (Jira / Zephyr / TestRail) — Process fluency — writing test cases, tracing coverage, and reporting defects.
Job description
Company Description Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and enterprise content/data management services. We have developed our methodologies and processes based on the IT Infrastructure Library (ITIL) v.3 Framework across enterprise infrastructure operations. These methodologies and processes are reinforced through our organization's externally accredited certifications, which include ISO 9001:2008 Quality Management System (QMS), ISO/IEC 20000-1:2011 IT Service Management Systems (SMS, corporate ITIL certification), ISO 27001:2005 Information Security Management System (ISMS), and CMMI-DEV Level 3" Job Description Key Responsibilities: - Supports Test Lead in upward stakeholder management, status report development, metrics, etc. - Creates performance test approach and strategy from system requirements and design documents - Establishes verifiable performance benchmarks for system and system components - Assists in identifying clear performance requirements / measurement criteria from poorly defined metrics - Leads effort to identify test cases and map them to performance/system/integration requirements for appropriate testing coverage - Responsible for creating and maintaining test artifacts (plans, reports, dashboards) and ensuring they meet client's expectations - Manages the creation of required test data and data loads for each performance test run - Manages shakeout testing and maintaining performance test environment - Create accurate time estimates and meet schedules for performance/stress testing efforts - Manages effort of automating the performance/load test scripts - Performs execution of test cases/runs to meet required execution targets to keep the project on schedule - Analyzes data gathered from performance test runs and provides sound recommendations for performance improvements and can identify bottlenecks of web applications - Recommend to the proper teams performance tuning in different categories: system, platform, application, etc. as necessary - Reviews test results in test tools and validates test cases are complete and of high quality - Communicates any testing issues and/or risks to Test Lead in a timely fashion - Communicate effectively with architecture, design, and development teams to learn system and resolve defects - Willingness to work a flexible schedule as needed to manage execution of test cases Qualifications Minimum skills and qualifications: - Experience using performance test tools (HP Load Runner, IBM Rational Performance Tester, Load Impact, Load Test, etc.) - Ability to use load tools to monitor, gather, and report application performance - Knowledge of performance bottlenecks and end-to-end performance measures (server response time, throughput, latency, etc.) - Ability to troubleshoot issues in the performance test environment - Experience using IBM Rational Jazz Suite (Quality Manager, Test Workbench, Test Virtualization Server) - Experience using test tools: TOAD, Benthic, SQL Server, SQL Plus, or other similar database query tools - Experience using/testing Siebel/CRM applications - Experience working with Oracle products (OSB, OPA, I&AM, BPA, BPEL, etc.) - JAVA, PERL, JavaScript (and/or other common programming languages) - Deep knowledge of how web applications work over HTTP protocol. - Experience working with Federal Government projects - Experience with DHS Systems Engineering Life Cycle (SELC) - United States Citizenship required (no dual citizenship) - U.S. Public Trust clearance required Preferred skills and qualifications: - Ability to promote a positive and collaborative teaming work environment - Proven ability to work independently and as a team member - Good communication (written and oral), analytical and interpersonal skills - Good organizational, multi-tasking, decision-making and time-management skills - Ability to learn very quickly, adapts to changing priorities, and share knowledge with other team members - Comfortable working in a fast paced, quality conscious environment - Availability to work extended hours if needed for urgent support - Ability to proactively identify and clearly articulate issues and present solution options - Thinks innovatively and develops new ideas to make test more efficient - Dedication to accuracy and precision Additional Information
- * Please share me your updated word copy of Resume.
- ** I Appreciate, if you can refer someone who is looking for this position. Contact: Nayan Hazare IT Recruiter Call: 703 962 6656 Email: nhazare@ comtechllc.com
Job highlights
- •Role: Performance Tester
- •Company: Comtech, LLC
- •Location: Calverton, Maryland, US
- •Type: Full-time
- •Experience: Mid
- •Seniority: Mid
- •Posted: Recently
Key skills: Java · JavaScript · SQL
How to prepare for this interview
A 5-step prep plan tailored to this job's stack.
- 1Refresh at least one automation framework (Selenium or Playwright) end-to-end — the interview will drill into it. Selenium interview questions →
- 2Read through the general QA/SDET interview prep guide to refresh core testing concepts. Job Interview Prep →
- 3Warm up on SQL joins, group-bys, and window functions — most QA rounds include a data-validation query. SQL Q&A →
- 4Do at least one AI mock interview end-to-end so you're comfortable narrating your answers under time. AI Mock Interview →
- 5Run your CV through the ATS review so it clears keyword filters for this role before you apply. Resume ATS Review →
Likely interview questions for this role
Tuned to the stack we detected on this job.
- Q1.Write a SQL query to find duplicates across two columns and how you'd fix them in test data.
- Q2.How do you design a load test scenario from a production traffic pattern?
- Q3.Walk me through a bug you found that shipped anyway — how did you handle it?
- Q4.How do you decide what to automate vs test manually for a new feature?
- Q5.How would you set up a test strategy for this team in your first 30 days?
Salary context
Compensation not disclosed.
Comtech, LLC hasn't disclosed a salary range for this mid-level role. Check our QA/SDET salary benchmarks to anchor your ask for Calverton, Maryland, US.
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