About the role
As a QA Automation Engineer with Network Testing (Python/Linux) experience, you will make an impact by ensuring the quality, stability, performance, and reliability of real-time, low-latency enterprise systems. You will be a valued member of the Quality Engineering team and work collaboratively with development teams, infrastructure teams, product stakeholders, and global delivery partners to support successful testing, validation, and production readiness initiatives.
In this role, you will:
- Coordinate with internal and external stakeholders to plan, execute, and deliver testing activities and release validations.
- Perform end-to-end system qualification from data center distribution through client desktop environments.
- Execute performance, benchmarking, soak, and real-time data testing to validate throughput, latency, stability, and scalability.
- Analyze application, system, and network behavior under load, including CPU, memory, packet loss, latency, and jitter metrics.
- Develop and maintain automated test frameworks, scripts, and tooling using Python, Bash, and AI-assisted development technologies.
- Validate migration scenarios, backward compatibility requirements, and production deployment readiness.
- Troubleshoot issues across application, operating system, infrastructure, and network layers using diagnostic and monitoring tools.
- Support global testing cycles and maintain lab environments that accurately mirror client production environments.
Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days per week in the client or Cognizant office in Creve Coeur, Missouri. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What you need to have to be considered
- Bachelor's degree or higher in Computer Science, Software Engineering, or a related technical discipline.
- 5+ years of experience in Quality Assurance, including manual, automation, performance, and system testing.
- Strong experience testing real-time, low-latency, or high-volume distributed systems.
- Hands-on expertise with performance testing, benchmarking, soak testing, throughput validation, and latency analysis.
- Strong Linux administration skills, including system configuration, monitoring, troubleshooting, and performance tuning.
- Proficiency in Python and Bash scripting for automation, testing, and data analysis.
- Experience with network protocols and diagnostics, including TCP/IP, UDP, multicast, routing, tcpdump, and Wireshark.
- Proven ability to analyze logs, system metrics, and application behavior to identify and resolve complex issues.
These will help you stand out
- Experience working with large-scale streaming data environments processing hundreds of thousands of events or more.
- Knowledge of Windows system administration, client validation, and enterprise integration practices.
- Experience using AI-assisted development tools such as GitHub Copilot, ChatGPT, and Claude to accelerate testing and automation activities.
- Experience leveraging AI or machine learning techniques for anomaly detection, performance analysis, and root-cause investigation.
- Understanding of prompt engineering and AI-driven workflow optimization for quality engineering teams.
- Experience creating Technical Operations Notices (TON) and Notes for the Record (NFR).
- Familiarity with enterprise monitoring, observability, and testing platforms.
- Experience supporting global release management and rollout testing initiatives.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and Other Compensation:
The annual salary for this position is between $53,477 to 92,500 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
401(k) plan and contributions
Long-term/Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan
Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Cognizant will only consider applicants for this position who are legally authorized to work in the United States without company sponsorship.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
コグニザントについて
コグニザント（NASDAQ: CTSH）は、AI Builderおよびテクノロジーサービスプロバイダーとして、お客様にフルスタックのAIソリューションを構築することで、AI投資と企業価値を結ぶ架け橋となっています。業界、ビジネスプロセス、エンジニアリングに関する当社の深い専門知識を活かし、組織固有のビジネス環境をテクノロジー・システムに組み込みます。これにより、人間の可能性を最大限に引き出し、確かな成果を実現するとともに、急速に変化する世界においてグローバル企業が常に一歩先を行くための支援を行っています。 詳細については、cognizant.ai をご覧ください。
雇用に関する追加情報
本募集に記載されている報酬情報は、掲載日時点で正確なものです。Cognizantは、適用される法令に従い、いつでも本情報を変更する権利を留保します。
応募者は、対面またはビデオ会議による面接への参加を求められる場合があります。また、各面接の際に、現在有効な州政府または政府発行の身分証明書の提示を求められる場合があります。
Cognizantは機会均等雇用主です。応募および選考において、人種、肌の色、性別、宗教、信条、性的指向、性自認、国籍、障がい、遺伝情報、妊娠、退役軍人の地位、その他連邦法・州法・地方自治体の法律により保護されるいかなる特性に基づく差別も行いません。
