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Senior Performance Engineer

System One Holdings, LLC

Posted today
Unspecified
Mid Level Career (5+ yrs experience)
Unspecified
No Traveling
IT - QA and Test
New Carrollton, MD (On-Site/Office)

Job Title: Senior Performance Engineer
Location: New Carrollton, MD (On-site)
Employment Type: Contract-to-Hire
Security Requirement: US Citizenship Required
Contact: Crystal.dinnocenti@systemone.com

ROLE OVERVIEW
System One is seeking a Senior Performance Engineer to join our team in New Carrollton, MD. This is a critical role focused on ensuring the scalability, reliability, and efficiency of large-scale applications across both mainframe and web-based environments. You will be responsible for the end-to-end performance lifecycle, from workload modeling to deep-dive bottleneck analysis.

KEY RESPONSIBILITIES
• Test Design & Execution: Lead the design, execution, and analysis of performance tests using LoadRunner to ensure applications meet rigorous scalability requirements.
• Bottleneck Analysis: Identify system constraints and establish performance baselines through detailed analysis of application and infrastructure behavior.
• Strategic Modeling: Build performance models and capacity planning frameworks to anticipate future growth and demand.
• Cloud & Hybrid Testing: Conduct performance testing within cloud environments (AWS/Azure) and integrate results with web-based and mainframe systems.
• Actionable Intelligence: Monitor system health using tools like AppDynamics or Splunk; translate complex findings into actionable recommendations for stakeholders.
• Forecasting: Produce accurate workload projections and forecasts based on trend analysis and historical system data.

REQUIRED QUALIFICATIONS
• Experience: 8+ years of experience in Performance Engineering or a similar capacity.
• Tools: Expert-level proficiency with LoadRunner (designing, executing, and analyzing).
• Analysis: Strong background in bottleneck analysis, system tuning, and performance modeling.
• Compliance: Deep understanding of SLAs, KPIs, and Non-Functional Requirements (NFRs).
• Modern Tech Stack: Familiarity with monitoring tools (AppDynamics, Splunk) and cloud platforms (AWS/Azure).
• Legacy Tech Stack: Practical knowledge of Mainframe performance systems in a web-integrated environment.
• Education: Bachelor’s degree in Computer Science, Information Systems, or a related technical field.

Why Join Us?
This role offers the opportunity to work on mission-critical systems where your analysis directly impacts system architecture and long-term capacity strategy.
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About Us
System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life sciences, and government sectors As an essential partner to private and public organizations of various needs and sizes, we offer our expertise to help them bring their most complex and mission-critical programs to fruition. With our highly specialized services, in-demand technical skills, and vast operational expertise, we can deliver accelerated results that benefit our clients and the job seekers who partner with us. We staff contract, contract-to-hire, and direct-hire professionals across our network to work with our clients, some of whom are industry leaders and nationally branded organizations. Our dedicated team of recruiters work tirelessly to match jobseekers with careers that align with their skills, aspirations, and goals. We understand that finding the right job can be a transformative experience,

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Job Category
IT - QA and Test
Clearance Level
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