Performance Testing Engineer
Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 13, 2026. Guidehouse scores A on the Alion truth index.
Job Family:
TestingTravel Required:
NoneClearance Required:
Ability to Obtain Public TrustWhat You Will Do:
- Design, develop, and execute performance, load, stress, scalability, and endurance test plans for enterprise applications and systems.
- Utilize LoadRunner to create test scripts, execute performance tests, and analyze system behavior under varying workloads.
- Establish performance baselines and identify application, infrastructure, database, network, and system bottlenecks.
- Analyze test results and provide actionable recommendations to improve scalability, reliability, and overall system performance.
- Translate Service Level Agreements (SLAs), Key Performance Indicators (KPIs), and non-functional requirements into measurable performance testing objectives.
- Conduct trend analysis using historical performance data to develop workload forecasts and capacity projections.
- Support capacity planning activities by building performance models and assessing future growth demands.
- Perform performance testing within cloud environments, including AWS and Azure.
- Leverage monitoring and observability tools such as AppDynamics, Splunk, and similar technologies to identify and diagnose performance issues.
- Collaborate with development, infrastructure, architecture, and operations teams to resolve performance-related challenges.
- Prepare performance assessment reports, dashboards, and presentations for technical and non-technical stakeholders.
- Support both mainframe and web-based application environments to ensure performance and scalability objectives are achieved.
What You Will Need:
- United States Citizenship.
- Requires a University Degree and minimum ZERO to TWO (0-2) years of prior relevant experience; FOUR (4) years of relevant experience of may be substituted for formal education
- Ability to work on client site in New Carrolton, MD five days a week.
- TWO (2) years of experience in performance engineering, performance testing, or systems performance analysis.
- Experience with performance testing and system tuning to ensure applications meet scalability requirements.
- Experience with LoadRunner for designing, executing and analyzing performance tests.
- Skilled in bottleneck analysis and establishing performance baselines.
- Understanding of Service Level Agreements (SLAs), Key Performance Indicators (KPIs) and non-functional requirements and translating them into testing objectives.
- Experience producing forecasts and workload projections based on trend analysis and historical data.
- Knowledge of cloud performance testing (AWS, Azure).
- Strong skills in analyzing test results and findings to provide actionable recommendations.
- Experience with capacity planning frameworks and building performance models to anticipate future growth and demand.
- Familiarity with monitoring tools for performance testing, such as AppDynamics or Splunk, to identify and analyze bottlenecks.
- Familiarity with mainframe and web-based performance systems.
What Would Be Nice To Have:
- Prior experience working for the Internal Revenue Service (IRS) as an employee or a contractor (preferably within the last six months).
- Experience supporting large-scale Federal or Public Sector technology programs.
- Experience with additional performance testing tools such as JMeter, Gatling, or NeoLoad.
- Familiarity with cloud-native architectures, microservices, and containerized environments.
- Experience integrating performance testing into CI/CD or DevSecOps pipelines.
- Knowledge of application monitoring and observability platforms such as Dynatrace, New Relic, Grafana, or Datadog.
- Experience supporting high-volume, mission-critical transactional systems.
- Relevant certifications in cloud platforms (AWS or Azure), performance testing, or systems engineering.
- Experience presenting performance findings and recommendations to executive and program leadership stakeholders.
What We Offer:
Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Benefits include:
Medical, Rx, Dental & Vision Insurance
Personal and Family Sick Time & Company Paid Holidays
Parental Leave
401(k) Retirement Plan
Group Term Life and Travel Assistance
Voluntary Life and AD&D Insurance
Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
Transit and Parking Commuter Benefits
Short-Term & Long-Term Disability
Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
Employee Referral Program
Corporate Sponsored Events & Community Outreach
Care.com annual membership
Employee Assistance Program
Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
Position may be eligible for a discretionary variable incentive bonus
About Guidehouse
Guidehouse is an Equal Opportunity Employer-Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.
Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.
If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at [email protected]. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.
All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or [email protected]. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.
If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact [email protected]. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.
Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.