About Persistent
We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.
Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix® Assessment 2026 and Software Product Engineering PEAK Matrix® Assessment 2026.
About Position:
We are looking for an experienced Technical Validation Lead / SME to drive Security Testing, OS Patch Management, and Vulnerability Validation across enterprise environments. In this role, you will lead the end-to-end validation of Microsoft Windows OS patches and Trellix Antivirus updates to ensure system stability, application compatibility, security effectiveness, and zero regression impact before production deployment. The position requires strong expertise in Security Testing, OS Patch Management, and Vulnerability along with leadership capabilities to manage validation cycles and ensure compliance with SLA-driven patch timelines across PAN India.
Role: Security Testing OS Patch Management/Vulnerability-
Location: All Persistent Location
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Experience: 4 to 10 years
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Job Type: Full-Time Employment
What You'll Do:
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Lead validation of OS patches and antivirus updates before production release
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Define validation scope based on risk, business impact, and security priorities
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Execute patch validation in lab/staging environments simulating production conditions
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Validate system behavior including boot, login, services, and OS configuration
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Perform application compatibility testing with DS Agile platform and business workflows
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Conduct regression testing to ensure no impact on existing functionality
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Validate security posture ensuring vulnerabilities are fixed and no new risks are introduced
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Monitor system performance (CPU, memory, response time) for stability and degradation
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Log, track, and manage defects using JIRA with root cause analysis
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Generate validation reports, risk summaries, and provide Go/No-Go decisions
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Align validation cycles with Patch Tuesday and ensure SLA adherence
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Collaborate with developers, vendors, and cross-functional teams
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Lead and mentor validation engineers, assign tasks, and track deliverables
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Drive automation initiatives to improve validation efficiency and repeatability
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Optimize validation processes and integrate continuous testing practices
Expertise You'll Bring:
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Strong experience in Security Testing, OS Patch Management, and Vulnerability validation (Mandatory)
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Hands-on expertise in Windows OS patching and enterprise security validation
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Experience with Trellix/McAfee endpoint security tools and antivirus validation
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Proficiency in working with SCCM / Microsoft Endpoint Manager (Intune)
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Strong understanding of system logs, Windows Event Viewer, and troubleshooting
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Experience in test management tools like TestRail, Zephyr, or Excel
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Hands-on experience with defect tracking using JIRA
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Knowledge of virtual environments such as VMware or Hyper-V
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Strong understanding of regression testing, application compatibility, and system validation
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Ability to analyze performance metrics and identify system instability issues
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Experience in leading QA/validation teams and managing deliverables
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Familiarity with automation scripting and continuous improvement practices
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Strong analytical, problem-solving, and decision-making skills
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Excellent communication and stakeholder management skills
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JIRA (Defect tracking & reporting)
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TestRail / Zephyr / Excel (Test case & validation tracking)
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Windows OS environments (Lab / Virtual Machines – VMware / Hyper‑V)
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Windows Event Viewer / System Logs (Validation & troubleshooting)
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SCCM / Microsoft Endpoint Manager (Intune)
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Trellix / McAfee Endpoint Security tools
Benefits:
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Competitive salary and benefits package
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Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
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Opportunity to work with cutting-edge technologies
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Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
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Annual health check-ups
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Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents
Values-Driven, People-Centric & Inclusive Work Environment:
Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.
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We support hybrid work and flexible hours to fit diverse lifestyles.
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Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
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If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment
Let’s unleash your full potential at Persistent - persistent.com/careers
“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”
