Company Name: VARITE India Private Limited

About The Client

An Indian multinational information technology (IT) consulting company headquartered in Noida, The company has offices in 52 countries and over 225,944 employees. The Client is a global IT services and consulting company that offers a wide range of services and products across various industries like IT Infrastructure Services, Cybersecurity Services, Cloud Services, Big Data and Analytics, Internet of Things (IoT) Solutions, Semiconductor Services and Enterprise Software Products. About The Job:

- Experience
- 3 – 6 years in Middleware / Application Infrastructure

- Education

- B.Tech (Computer Science / IT) or equivalent

- The L2 Senior Application Infrastructure Patch Management Engineer owns the patching lifecycle for the full application layer including web servers, application servers, middleware components, messaging queues, and database engines.
- The role requires deep technical expertise to design patching runbooks, automate patch workflows, resolve complex compatibility issues, and align patching activities with vulnerability management and change management processes.

Essential Job Functions:

- Manage end-to-end patching for web servers (Apache HTTP, Nginx, IIS), application servers (Tomcat, JBoss/WildFly, WebLogic, WebSphere), and middleware (MQ, ActiveMQ, Kafka) across on-prem and cloud environments.
- Own the Java / JDK / JRE version management strategy across the application estate.
- Assess vendor CVEs and security bulletins for application components; drive patch prioritisation using CVSS scores and application criticality.
- Develop and maintain detailed patching runbooks, rollback procedures, and post-validation scripts for each platform.
- Automate patching workflows using Ansible, Python, or shell scripting; integrate with CI/CD pipelines where applicable.
- Lead patch testing in non-production environments; validate application behaviour and performance post-patch before production rollout.
- Coordinate with DBA teams for database patching (Oracle PSU/RU, MS SQL CU, MySQL updates) and ensure application compatibility.
- Act as L2 escalation for patch-related application failures, class loader conflicts,



and compatibility issues.
- Integrate application patch compliance data with vulnerability management tools (Qualys, Tenable) and SIEM dashboards.
- Conduct root cause analysis for patch-induced incidents and produce post-incident reports.
- Maintain CMDB accuracy for application component versions and patch status.
- Drive SLA adherence: Critical patches applied within 72 hours post-approval.
- Mentor L1 analysts and review change records and patching logs.

Qualifications:

Technical Skills & Knowledge

- Deep expertise in application server administration: Apache Tomcat, JBoss/WildFly, Oracle WebLogic, IBM WebSphere, Microsoft IIS.
- Java platform mastery: JDK/JRE lifecycle, version compatibility, classloading issues, GC tuning, and security manager updates.
- Middleware patching: IBM MQ, ActiveMQ, RabbitMQ, Apache Kafka – upgrade procedures and backward compatibility.
- Database patching knowledge: Oracle (PSU, RU, one-off patches), MS SQL Server (CU, GDR), MySQL/PostgreSQL minor/major upgrades.
- Web server security hardening post-patch: cipher suite updates, TLS/SSL certificate management, module disabling.
- Automation: Ansible playbooks, Python (Paramiko / Fabric), Bash for patching orchestration.
- CI/CD integration: Jenkins, GitLab CI, Azure DevOps – automated patching pipelines in lower environments.
- Cloud: AWS (EC2 patch via SSM), Azure (Update Manager), container image patching (Docker base image updates).
- Vulnerability management: Qualys Web Application Scanning, Tenable.io, Nexus/Trivy for container vulnerabilities.
- ITSM: ServiceNow change management, CMDB, and automated compliance workflows.

Soft Skills & Competencies
- Strong analytical skills to diagnose complex application compatibility issues post-patch.




- Excellent planning and risk communication skills for patching highly critical production systems.
- Collaborative approach with DBA, application development, and security teams.
- Thorough documentation skills with clear runbooks, RCAs, and compliance evidence.
- Continuous improvement mindset with focus on automation and toolchain maturity.

Preferred Certifications
- Oracle Certified Professional (OCP) – Java SE or WebLogic Server.
- Red Hat Certified Engineer (RHCE).
- AWS Certified SysOps Administrator or Microsoft Azure Administrator (AZ-104).
- Certified Kubernetes Administrator (CKA) – advantageous for container environments.
- CompTIA Security+ or CySA+.
- ITIL 4 Foundation or Managing Qualified.

How to Apply: Interested candidates are encouraged to respond/submit their updated resumes, and for additional job opportunities, please visit Jobs In India – VARITE.

Unlock Rewards: Refer Candidates and Earn.

If you're not available or interested in this opportunity, please pass this along to anyone in your network who might be a good fit and interested in our open positions. VARITE offers a Candidate Referral program, where you'll receive a one-time referral bonus based on the following scale if the referred candidate completes a three-month assignment with VARITE.

Experience Level Bonus Referral: 0-2 years INR 5,000 2-6 years INR 7,500 6+ years INR 10,000

About VARITE: VARITE is a global staffing and IT consulting company providing technical consulting and team augmentation services to Fortune 500 Companies in USA, UK, CANADA and INDIA. VARITE is currently a primary and direct vendor to the leading corporations in the verticals of Networking, Cloud Infrastructure, Hardware and Software, Digital Marketing and Media Solutions, Clinical Diagnostics, Utilities, Gaming and Entertainment, and Financial Services.

Equal Opportunity Employer:

VARITE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, marital status, veteran status, or disability status.

📌 Senior Application Infra Patch Engineer (Bengaluru)
🏢 VARITE
📍 Bengaluru