Jobs in the United States

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Network Engineer
KBR
Huntsville, AL
KBR is seeking a Network Engineer to support enterprise network infrastructure within classified and unclassified mission environments. The selected candidate will be responsible for the…
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Research Engineer
Scientific Applicati
Colorado Springs, CO
- $90,000 to $135,000 USD / year
…an exceptionally talented, motivated, and creative Research Engineer to support rapid Research & Development (R&D) and power systems research activities out of our facility in Colorado…
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Security Architect
Odyssey Systems Cons
Colorado Springs, CO
- $31,533 USD / year
…including Identity and Access Management (IAM), Zero Trust Network Access (ZTNA), SIEM systems, and data encryption…
Added 1 min ago
Platform Engineer
ConstructConnect
Atlanta, GA
As a Platform Engineer, you will be involved in the implementation and operation of cloud infrastructure projects. With a background in infrastructure engineering and CI/CD, you will…
Added 3 mins ago
Senior Architect / DevOps Engineer- Remote (DC, MD, VA- Locals only)
Swingtech
Remote, United States
Swingtech Consulting, Inc. is seeking a Senior Architect / DevOps Engineer to support the architecture, operation, modernization, and secure delivery of web-based training and learning…
Added 4 mins ago
Senior Vision System Engineer, Amazon Robotics
Amazon.com Services LLC
North Reading, MA · Westborough, MA
…power to see, understand, and act, and we need a Vision Systems Engineer to lead the charge from customer problem to deployed solution. If you love working at the intersection of sensors,…
Added 4 mins ago
Sr. Construction Manager, GES NA, Design and Construction
Amazon.com Services LLC
Nashville, TN · Atlanta, GA · Chicago, IL
…stations, and auxiliary buildings that power Amazon's logistics…
Added 4 mins ago
Junior Engineer (EIT) - Bridge Inspection
Consor Engineers
Edmond, OK
As a Junior Engineer on the Structural Assessment team at Consor, you will have a mix of field and office opportunities. Your field work will encompass inspection of all types of bridges,…
Added 4 mins ago
Mechanical Engineer- Packaging
Actalent
North Reading, MA
Job Title: Mechanical Engineer PackagingJob DescriptionThis role focuses on the mechanical and thermal design of precision assemblies for advanced imaging and sensor hardware, with a strong…
Added 4 mins ago
Senior Mechanical Engineer
Actalent
Norwood, MA
…experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the…
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Project Engineer
Actalent
Kearny, NJ
- $100,000 to $120,000 USD / year
…experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the…
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Assistant Project Manager
Actalent
Newtown, PA
- $30 to $45 USD / hour
At least 2 years of construction project management or project engineer experience supporting active projects.
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Civil Engineer EIT
Actalent
Blue Bell, PA
Job Title: Civil EngineerJob DescriptionThis role offers an opportunity for a motivated Civil Engineer to contribute to a wide range of land development and infrastructure projects, with a…
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Municipal Civil Engineer
Actalent
West Chester, PA
- $48.07 to $52.88 USD / hour
Job Title: Municipal Civil EngineerJob DescriptionWe are seeking a dedicated Municipal Civil Engineer to join our established team, renowned for its rich history in land development and…
Added 4 mins ago
Electronics Design Engineer (PCB)
Actalent
Hampton, VA
Job Title: Electronics Design Engineer (PCB)Job DescriptionThis role focuses on the design, development, and integration of advanced electronic systems for cutting-edge flight missions. You…
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Principal Electrical Design Engineer
Actalent
Prince George, VA
- $60.62 to $109.13 USD / hour
Job Title: Principal Electrical Design EngineerJob DescriptionThe Principal Electrical Design Engineer leads and advises design teams on highly complex and unique embedded hardware projects…
Added 4 mins ago
Protection And Control Engineer
Actalent
Pittsburgh, PA
Job Title: Protection and Control EngineerJob DescriptionThe Protection and Control Engineer designs and supports high-voltage utility substation projects, providing technical expertise in…
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Mechanical Design Engineer
Actalent
Dundee, MI
Job Title: Design EngineerJob DescriptionWe are seeking a highly skilled Design Engineer to join our team and contribute to the design and development of automotive structural components,…
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Electrical Design Engineer
Actalent
Homer, MI
- $31 to $44 USD / hour
We are seeking an Electrical Engineer to support the design, development, and commissioning of automated equipment. This role involves creating and modifying electrical designs using…
Added 4 mins ago
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Civil Engineer (EI)
Actalent
Fort Wayne, IN
- $40 to $45 USD / hour
Civil Engineer (EI)Water & Wastewater Infrastructure DesignProfessional Growth Opportunity | Path to PE | Water & Wastewater InfrastructureAre you an Engineer Intern (EI) with water and…
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Industrial Engineer
Actalent
Florence, KY
- $29 USD / hour
Job Title: Industrial EngineerJob DescriptionThe Industrial Engineer supports the Industrial Engineering Department by planning, designing, implementing, and managing integrated production…
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Cyber Security Engineer
Actalent
Huntsville, AL
- $120,000 to $160,000 USD / year
DevSecOps Engineer [CLEARED]Job DescriptionWe are seeking a skilled DevSecOps Engineer to design, build, and manage the infrastructure foundations of our software factory environments. This…
Added 4 mins ago
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Hardware Engineer
Actalent
Neenah, WI
- $84 USD / hour
…experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the…
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Manufacturing Test Engineer
Actalent
Franksville, WI
- $90,000 to $120,000 USD / year
Job Title: Manufacturing Test EngineerJob DescriptionWe are seeking a hands-on engineer to take ownership of testing and production readiness of our products. This role involves developing…
Added 4 mins ago
Mechanical Engineer
Actalent
New Braunfels, TX
Job Title: Mechanical EngineerJob DescriptionThis role offers an early-career Mechanical Engineer the opportunity to support the design, development, testing, compliance, and manufacturing…

Randstad USA

Performance Engineer - Expert

Remote, United States

$68.87 to $71.87 USD / hour · Contract

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Job details

Pay: $68.87 to $71.87 USD / hour
Job type: Contract
Apply by: Dec 4, 2026
Experience: 5+ years of experience in performance engineering, performance testing, or software engineering.
Posting language: English
Posted: Nov 3, 2026

Original job description

job summary:

We are seeking a Performance Engineer to improve the speed, scalability, reliability, and user experience of our digital platforms. You will combine performance testing, frontend auditing, observability, and hands-on engineering to identify bottlenecks and drive measurable improvements across applications and infrastructure.

You'll partner with application, UX, API, platform, and DevOps teams to build performance into delivery workflows, from local development through production monitoring.

location: Telecommute job type: Contract salary: $68.87 - 71.87 per hour work hours: 8am to 5pm education: Bachelors

responsibilities:

Plan and execute performance testing for web applications, APIs, and critical user journeys using tools such as JMeter and LoadRunner.

Design workload models and test scenarios for baseline, load, stress, endurance, and capacity testing.
Analyze results, traces, logs, and network waterfalls to identify frontend, backend, infrastructure, and dependency bottlenecks.
Conduct frontend performance audits using tools such as Lighthouse, WebPageTest, Chrome DevTools, and real-user monitoring platforms.
Evaluate Core Web Vitals and related metrics, including LCP, INP, CLS, FCP, and TTFB, and recommend actionable improvements.
Build and maintain performance dashboards, service-level indicators, and actionable alerts using observability platforms.
Configure and improve synthetic monitoring and real-user monitoring for key pages and user journeys.
Assess CDN and edge performance, including Akamai configuration, caching policies, cache headers, compression, and content delivery behavior.
Validate cache behavior across public and authenticated experiences, including HIT, MISS, STALE, and bypass scenarios.
Develop scripts, utilities, and automation for repeatable performance tests, audits, reporting, and regression detection.
Integrate performance checks into CI/CD pipelines and help establish performance budgets and release criteria.
Work hands-on with application teams to implement and verify performance improvements, including frontend and API changes where appropriate.
Review architecture and design proposals for scalability, resilience, caching, and performance risks.
Collaborate with developers, UX/UI designers, API teams, and platform/DevOps teams to resolve issues and improve delivery practices.
Conduct code and test reviews, document findings, and mentor engineers on performance engineering practices.
Contribute to Agile planning, estimation, and continuous improvement of performance tooling and processes.

qualifications:

Required Qualifications

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
5+ years of experience in performance engineering, performance testing, or software engineering.
Strong experience designing, running, and analyzing load and performance tests with JMeter, LoadRunner, or comparable tools.
Experience with frontend performance testing and browser diagnostics, including Chrome DevTools and network analysis.
Hands-on experience building performance dashboards, monitoring systems, and alerting.
Working knowledge of web application architecture, HTTP, APIs, browsers, and distributed systems.
Experience with CDN and caching concepts, including cache-control headers, cache keys, invalidation, and edge delivery.
Experience automating tests and analysis using scripting or programming languages such as JavaScript/TypeScript, Java, or Python.
Understanding of Core Web Vitals and performance optimization techniques for modern web applications.
Experience investigating performance issues across application, API, database, network, and infrastructure layers.
Strong analytical, debugging, and problem-solving skills.
Experience with cross-browser and device testing.
Clear communication skills and the ability to turn technical findings into prioritized recommendations.

Experience with Akamai configuration, CDN analytics, caching rules, or edge delivery.

Familiarity with observability platforms such as Splunk, Dynatrace, Datadog, New Relic, or Grafana.
Experience with Lighthouse CI, WebPageTest, SpeedCurve, mPulse, or similar frontend performance tools.
Experience with synthetic monitoring and real-user monitoring (RUM).
Familiarity with React, Next.js, server-side rendering, and edge-rendering strategies.
Experience with cloud platforms, containers, and Docker.
Experience integrating performance tests into CI/CD pipelines.
Familiarity with A/B testing and measuring performance impact.
Knowledge of accessibility standards, including WCAG 2.2 AA.
Experience with REST or GraphQL APIs and headless CMS-driven applications.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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