Performance Engineer

SwankTek Inc.; Vienna (VA); On-site; USD 83,000 - 124,000; Full time

Job summary

SwankTek Inc. in Vienna, VA is seeking a Performance Engineer to design and execute load, stress, and endurance tests for cloud-native, distributed systems.

You will implement performance strategies using NeoLoad, JMeter, and LoadRunner, and coordinate with developers to optimize scalability and reliability. The role emphasizes observability and rapid root-cause analysis with Dynatrace, AppDynamics, and Splunk, plus hands-on work with Docker/Kubernetes, microservices, and auto-scaling.

Qualifications

• Hands-on performance testing of load, stress and endurance tests.
• Experience scripting and executing tests with NeoLoad, JMeter and LoadRunner.
• Experience using Dynatrace, AppDynamics and Splunk for monitoring and RCA.
• Cloud deployments with Docker/Kubernetes and microservices.
• Strong Java or Python and SQL query skills.
• Experience with auto-scaling, chaos and failover testing.
• Clear communication and collaboration as an individual contributor.

Responsibilities

• Design and execute performance tests (load, stress, endurance) for complex apps.
• Monitor performance with APM tools to identify bottlenecks and suggest fixes.
• Perform root-cause analysis using traces and logs to guide optimizations.
• Work with cloud deployments, containers, and microservices to improve scalability.
• Contribute to performance engineering best practices across teams.

Skills

Performance testing

Cloud deployments

Microservices

Java

Python

SQL

Observability

High availability

Root cause analysis

Tools

NeoLoad

JMeter

LoadRunner

Dynatrace

AppDynamics

Splunk

Docker/Kubernetes

Job description

Job Title: Performance Engineer Location: Vienna, VA (Onsite) Duration: Long Term Contract Job Description: Seeking a Performance Engineer with strong expertise in performance testing, monitoring, and application scalability for cloud-native and distributed systems. The ideal candidate will have hands‑on experience designing and executing load, stress, and endurance tests using NeoLoad, JMeter, and LoadRunner, while leveraging Dynatrace, AppDynamics, and Splunk to identify performance bottlenecks and conduct root cause analysis. This role requires experience with cloud deployments, microservices, Docker/Kubernetes environments, high availability, resilience testing, and observability practices. The successful candidate will collaborate with technical teams to optimize application performance, scalability, and reliability while driving performance engineering best practices across the organization.

Responsibilities

• Professional experience as Performance Engineer with good hands‑on experience in implementing performance & high availability strategies to optimize the efficiency of applications.
• Strong hands‑on skills with test script development using Neoload, JMeter & LoadRunner. Experience in executing performance tests (load/stress/endurance) using Neoload/JMeter/LoadRunner and performance monitoring using APM tools to identify performance issues
• Hands‑on experience in APM tools like Dynatrace & AppDynamics to conduct root cause analysis for performance and scalability bottlenecks
• Able to analyze Splunk logs, Dynatrace distributed traces, Appdynamics Snapshots, method hotspots and response‑time hotspots to identify slow components and provide recommendations
• Experience in performance testing for Cloud deployments, Docker/Kubernetes containerized applications and microservices
• Strong knowledge on Java/Python, SQL query creation and manipulation skills
• Experience in Auto-Scaling, Chaos and failover testing to measure and test for Pod/Node failures, Network exhaustion, CPU/memory saturation, Container startup failures and Dependency failures etc.
• Strong ability to track and contribute to technical discussions around application integration and high-availability, resilience and observability
• Individual Contributor with good communication skills

What are the top 3 skills required for this role?

• Neoload, JMeter
• Performance Testing
• Performance Monitoring using AppDynamics, Dynatrace