10 Os Hardening Jobs

As a Windows VMware Senior Administrator, you will be responsible for managing the installation, deployment, and configuration of Windows servers and VMware virtualization platform. Your primary tasks will include performing security checks, troubleshooting issues, and ensuring maximum performance and uptime for all Windows servers and VMware platform to achieve optimal performance. Your role will involve handling day-to-day operations of Windows and VMware technologies, supporting the design, implementation, and maintenance of Windows servers and VMware virtualization platform. You will define and enforce standards, policies, and procedures for Windows and VMware system administration, security, and compliance. Additionally, you will be responsible for tasks such as installing the latest security patches on ESXi hosts via SSH & VUM quarterly on ESX/ESXi servers, migrating physical servers to virtual through standalone converter, creating and managing user accounts, performing OS hardening, handling various services of Windows server & ESX/ESXi servers, managing password policies, file permissions, admin access, and restricting anonymous access of registry. Furthermore, you will be involved in the installation & upgrading of operating systems including Windows Server 2008 & R2, 2012, 2012R2, 2016, 2019, ESX servers 5.0, 6.0, 6.5, 6.7, 7.0 & 8.0, antivirus, and patches. Your responsibilities will also include creating VMs, taking snapshots, clones, templates (deploying new VMs from templates), VM migration on ESX servers, and storage migration. You will monitor system performance, conduct performance tuning to optimize resource utilization, and enhance system efficiency. Troubleshooting and resolving complex issues related to Windows servers and VMware virtual machines will be part of your routine, providing timely resolution and root cause analysis. As a senior administrator, you are expected to implement and maintain security measures to protect Windows servers and VMware virtual machines from security threats and vulnerabilities. You will lead initiatives to automate routine tasks, streamline administrative processes using scripting and automation tools, and collaborate with other IT teams for integration with other infrastructure components. Staying updated with the latest Windows and VMware technologies and best practices, evaluating and recommending new tools and methodologies to improve efficiency and effectiveness will be crucial in your role. You will also perform other responsibilities as required by higher levels of supervision. Qualifications: - Bachelor's degree in Information Technology, Computer Science, or related field preferred from an accredited university Work Experience: - 5-8 years of experience as a Windows/VMware Administrator or in a similar role for lead level - 4 years of experience in Windows/VMware Administrator or a related field for specialist level - 0-4 years of experience for analyst level,

You should have 4-6 years of relevant experience in the MS SQL Database domain to be considered for the L2 level position based in Mumbai, Fort. This is an onsite role that requires you to provide 24x7 support for server operations. To qualify, you must hold a degree in B.E./Diploma/B.Sc./BCA/MCA without any educational gaps and from a reputable university. As a part of your responsibilities, you will be required to proactively monitor servers using BSE tools, track CPU & memory utilization, monitor Microsoft Windows resources, event logs, and critical services. You will be responsible for generating monthly reports on server availability, responding to and managing incidents until resolution, and engaging with customer support teams and vendors for incident resolution. Technical skills that are essential for this role include Hyper-V management, failover cluster configuration and management, IIS troubleshooting, security patching and hardening, OS migration, server performance troubleshooting, and more. You will also be involved in correlating related incidents into problem tickets, patching OS for security updates, managing VMs, reporting on VM performance status, managing Hyper-V clusters, access rights, and folders, as well as server inventory management. This is a full-time, permanent position that offers benefits such as cell phone reimbursement, health insurance, and Provident Fund. The work schedule may include morning and rotational shifts with opportunities for performance bonuses and yearly bonuses. The work location is onsite in Mumbai, Fort.,

We are seeking an experienced and detail-oriented System Administrator with a strong background in Vulnerability Assessment (VA) and Secure Configuration Document (SCD) implementation. The ideal candidate will be adept at managing and securing both Linux and Windows environments , applying industry best practices to ensure infrastructure integrity and compliance. Experience with automation tools like Ansible , and scripting in Bash or PowerShell , is essential. Key Responsibilities: Administer and maintain Linux (Red Hat, CentOS, Ubuntu) and Windows Server environments. Conduct regular vulnerability assessments using industry-standard tools and remediate identified security issues. Apply and enforce secure configurations based on SCD principles, CIS Benchmarks, and other compliance frameworks. Perform system hardening, security patching, and routine maintenance to ensure a secure and stable infrastructure. Monitor system performance, availability, and security alerts; respond to incidents and anomalies as needed. Automate repetitive administrative tasks using Ansible, Bash, PowerShell, or similar tools. Collaborate with security, development, and IT teams to enhance the overall security posture. Maintain comprehensive documentation including system configurations, SOPs, remediation steps, and compliance reports. Required Skills & Qualifications: Minimum 3 years of hands-on experience as a System Administrator. Proficient in Linux distributions (Red Hat, CentOS, Ubuntu) and Microsoft Windows Server environments. Practical experience with Vulnerability Assessment tools (e.g., Nessus, OpenVAS, Qualys). Sound knowledge of Secure Configuration Documents (SCD) and compliance frameworks (e.g., CIS, NIST). Strong scripting skills in Bash and PowerShell. Experience with automation/configuration management tools like Ansible , Puppet, or Chef. Good understanding of networking concepts, firewalls, access controls, and system monitoring. Ability to troubleshoot complex system issues and work under minimal supervision. Excellent communication and documentation skills.

Job Title: Lead Engineer (OAM) Work Employment: Full time Department: Wireless Domain: Software Reporting to: Manager / Senior Manager What You Work: As a Lead Engineer you will be responsible for driving technical projects, managing resources effectively, balancing team workloads. You will design solutions, oversee development and mentor junior engineers to ensure productivity and skill development. Also, you will manage resources, troubleshoot/ debug issues, writing and reviewing test cases to ensure code quality, and collaborate with cross-functional teams to deliver high-quality products on time. Technical Leadership and Product Development: Drive product development across its lifecycle from planning and requirement analysis to design, implementation, validation, verification, and field testing. Apply technical expertise to enhance system functionality and efficiency. Feature Prioritization and Integration: Analyze and prioritize features within OAM sub-systems, ensuring phased and synchronized system delivery. Collaborate seamlessly with teams and partners for successful system integration and user acceptance testing. Performance Enhancement and Quality Focus: Continuously refine system performance through innovative approaches. Deliver high-quality outcomes while upholding industry standards. Innovation: Stay updated on industry trends, propose innovative solutions, and enhance OAM processes for network efficiency and quality. Mandatory skills: LTE Network Expertise: In-depth understanding of 4G LTE architecture, protocols, interfaces, and components to ensure smooth network operations. OAM Protocols: Proficiency in OAM protocols, procedures, and tools for LTE networks, including fault management, configuration management, performance management, and security management. Knowledge of SNMP (Simple Network Management Protocol), TR-069 (Technical Report 069) for remote management, and various file transfer protocols such as FTP, SFTP, and cURL is a plus. C/C++ Programming and Linux OS: Proficiency in C/C++ programming for developing and maintaining OAM-related software components and tools on Linux operating systems, encompassing process management, memory handling, file systems, and networking. Threads, Sockets, and IPC: Experience with multithreading concepts, socket programming for efficient communication, and interposes communication (IPC) mechanisms in Linux for seamless collaboration between processes and components. Troubleshooting and Network Monitoring: Strong analytical and problem-solving skills to diagnose and resolve network and software issues, utilizing network monitoring and management tools to proactively identify anomalies. Communication Skills: Excellent written and verbal communication skills to collaborate with cross-functional teams and effectively communicate technical information. Desired Skills: Cloud and Virtualization : Understanding of cloud-based solutions and virtualization technologies as they relate to LTE networks. Scripting and Automation: Proficiency in scripting languages (e.g., Python, Bash) for network automation and process optimization. Authentication and Security : Solid knowledge of authentication mechanisms, encryption, and security protocols used in LTE networks. OS Hardening: Knowledge of techniques and practices for securing and hardening operating systems to enhance network security and resilience. Device Drivers: Understanding of device driver development and integration for hardware components within an LTE network infrastructure. Preferred Qualifications: Experience: 6 to 10 yrs experience from Telecommunication or Networking background. Education: Tech/BE (CSE/ECE) or any other equivalent degree. Candidate should have good coding skills in C/C++.

We are hiring Windows Migration Engineer with L1/L2 Support experience. Role:Windows Migration Engineer L1 / L2 Location : Chennai,Bangalore,Coimbatore Experience 3- 8 years Shifts :Rotational Shifts applicable,with Night shift from WFH option. Role & responsibilities Involve migration wave execution for Windows workloads Ensure domain join, AD registration, DNS, IP settings, and OU policies are properly configured Troubleshoot AD join failures, GPO misalignments, AV agent malfunctions Support and coach junior engineers during cutover sprints Validate logs, services, AV compliance, and patch levels post-migration Collaborate with app and infrastructure teams during Hypercare testing Perform rollback or failback procedures if required Maintain escalation logs and wave completion status Review and update migration runbooks for future reuse Preferred candidate profile Expertise in Windows Server 2012 R2/2016/2019/2022 Cluster Management (Windows Failover Cluster, shared disks, heartbeat monitoring) Familiarity with HCX, Zerto migration tools VM template handling and guest OS customization via vSphere Familiarity with FT (Fault Tolerance) and RDMs in vSphere environments Active Directory/LDAP join validation, GPO inheritance, OU policies Firewall, antivirus, and system hardening checks Database awareness (MSSQL) to help triage connectivity or service dependencies during migration Hands-on with PowerShell for troubleshooting and scripting (GPO, firewall, services) Windows Group Policies, login scripts, roaming profiles Event log analysis and service failure remediation Antivirus agent management and log validation (Defender, Symantec, Trend Micro etc.) SCCM/WSUS client troubleshooting Disk management, network adapters, firewall rule validation Prefer to have troubleshooting basic VMware issues related to Virtual Machines Note:We are looking for candidates with max notice of 0-30 Days.Candidates willing to relocate to the above locations are encouraged to apply.

Roles Responsibilities: Be part of Banks GRC program and handle regulatory characteristics focused in cybersecurity Identify and Drive improvement initiatives to Enhance Risk posture of the Bank Face off to Various regulators and drive programs for compliance to the Regulatory requirements Be a champion of ITGC initiatives Provide guidance to group companies to ensure consistency in risk governance, cyber risk management and compliance. Be the focal of Group companies for all IRM requirements Collaborate with group companies on IT governance, cybersecurity and control measures across Groups IT landscape. Present cyber risk posture in quarterly IT Strategy meetings for group companies. Promote a strong risk culture within the bank and group companies fostering awareness of risk management principles. Validate Security Policies and Procedures in conjunction with IT controls Manage internal and external stakeholders Ability to endorse cyber risks through publication of dashboards and drive initiatives to Improve Risk posture Job Requirement: Experience required for the Job: 15+ years in information technology security; Engineer / Post Graduate / MBA Strong understanding of IT governance frameworks, risk management practices and regulatory requirements. Industry acknowledged certifications like CISA / CISSP / CRISC Experience in Team handling / management is must Knowledge on Layered Security - Firewalls, Intrusion Detection, OS Hardening, Project Management, Security Training. Experience in handling regulatory matters will be an added advantage Strategic thinking and strong analytical skills Excellent communication and inter personal skills with focus on verbal, written communication presentation skills

Roles & Responsibilities: Be part of Banks GRC program and handle regulatory characteristics focused in cybersecurity Identify and Drive improvement initiatives to Enhance Risk posture of the Bank Face off to Various regulators and drive programs for compliance to the Regulatory requirements Be a champion of ITGC initiatives Provide guidance to group companies to ensure consistency in risk governance, cyber risk management and compliance. Be the focal of Group companies for all IRM requirements Collaborate with group companies on IT governance, cybersecurity and control measures across Groups IT landscape. Present cyber risk posture in quarterly IT Strategy meetings for group companies. Promote a strong risk culture within the bank and group companies fostering awareness of risk management principles. Validate Security Policies and Procedures in conjunction with IT controls Manage internal and external stakeholders Ability to endorse cyber risks through publication of dashboards and drive initiatives to Improve Risk posture Job Requirement: Experience required for the Job: 15+ years in information technology & security; Engineer / Post Graduate / MBA Strong understanding of IT governance frameworks, risk management practices and regulatory requirements. Industry acknowledged certifications like CISA / CISSP / CRISC Experience in Team handling / management is must Knowledge on Layered Security - Firewalls, Intrusion Detection, OS Hardening, Project Management, Security Training. Experience in handling regulatory matters will be an added advantage Strategic thinking and strong analytical skills Excellent communication and inter personal skills with focus on verbal, written communication & presentation skills

Project Planning, Delivery Oversight, InfoSec Governance, Client Handling,b) Firewalls - CISCO ASA, Palo Alto, WAF : F5 and Barracuda, SSL loaders and load balancers,F5, Radware, DDOS, IPS, IDS, APT, SIEM, VAPT, OS Hardening,SIEM, VAPT,OS Hardening

Key Responsibilities: This is a key-requirement from an L3 engineer. A solid foundation in Computer Science principles in terms of filesystems, processes, network stack, protocols, etc. is necessary for a candidate to be able to perform as per expectations at senior position. Manage Microsoft Servers like Hyper V, Active Directory, DHCP, DNS, SQL etc Candidate is expected to know about all these servers or technologies before-hand along with quick learning ability is expected. Troubleshoot problems with deployed servers or perform new deployments from scratch. Both troubleshooting and bootstrapping require proper understanding of inter-dependencies between various services. Ability to understand client requirements, suggest possible issues with current setup, present new architectures, migrate from existing setup to new setup with minimum downtime and no loss of data is critical. Teamwork and leadership skills are required to work with team of L1/L2 engineers to prepare them for L3 support activities in future. The task may require travel to different cities for days to a weeks duration to setup infrastructure, participate in meetings and discussions, etc. Later on, ability to support entire infrastructure remotely over VPN, SSH with just shell-commands without relying on GUI or direct access is necessary. Since root access and passwords or keys or various clients would be with L3 engineer. He/She is expected to keep confidential data securely and not disclose any private information to outsiders. Maintain documented (e.g. Disaster Recovery) procedures for OS Infrastructure. Collaborates and contributes with team members, software vendors, and other technical staff to develop, design, implement, and continuously improve systems. Ability to automate tasks with programming (Shell scripting) or configuration management tools (Ansilbe, puppet), etc. is preferred. Leverage internal technical expertise, including peers, mentors, knowledge base, community forums and other internal tools, to provide the most effective solutions to customer issues. Incident Management: Resolve single and cross technology incidents independently. Lead the team members to resolve complex or cross technology incidents. Escalation Management: Identify, manage, and lead technical escalations. Participate in formal Escalation when required to support escalation especially during crisis. Problem Management: Proactively and reactively look for solutions to prevent problems from occurring in team/technology area. Perform Trend and Root cause analysis. Change Management/Implementation: Independently prepare, review, implement, rollback and test plan for change records. Perform risk and impact analysis for changes, May lead or participate in a Change Advisory Board. Patch and Security Management: Apply patch and security changes per policy. Proactively monitor the environment for patch compliance. Analyze patches for compatibility with each customer or internal infrastructure environment. Configuration Management: Ensure Configuration Management Database (CMDB) entries are complete and accurate. Quality: May provide feedback/influence change in internal and/or vendor-provided products/service offerings. Technical Skills: Expert Knowledge of Microsoft Windows 2008/2012/2016 Administration: Install, Configure manage. Expert knowledge on Virtualization: VMWare, Microsoft System Center HyperV Administration Expert Knowledge on Microsoft troubleshooting skills and tools. Including OS Hardening and Vulnerability assessment. Knowledge of TCP/IP, DHCP, DNS and Troubleshooting. Knowledge on TCP/IP, DNS, DHCP, Power shell scripting Knowledge of AD group policies. Working knowledge of Linux systems Cloud - Azure and AWS. Understand the Backup technologies Anti-virus, Compliance Patch management, Storage Understand the Storage technologies Should have worked on supporting an enterprise class Data Center. Hands on experience with physical server installation Familiarity with development, tools, languages, process, methods and troubleshooting of Microsoft Azure based solutions. Familiarity with MS SQL, MySQL would have added advantage ITIL Process knowledge (Problem, Incident, Change Management) Exceptional communication skills Core experience on Windows Performance Ability to troubleshoot Windows Performance related Incidents across all Version of Windows OS Excellent knowledge on Windows components (Bios, Registrys, CPU, Memory, DNS, DHCP etc). Excellent knowledge in troubleshooting Windows Production Server Performance issues (Sever Crash, No Boot, Memory leaks, Sluggish Server, Unresponsive Servers) Good knowledge on User Mode & Kernel Mode in Windows Environment Excellent knowledge of Registry keys in Windows Environment Ability to troubleshoot No boot issues in production Environment. Excellent knowledge in Analyzing & Configuring Memory Dumps Good knowledge on Windows Operating System Architecture Should be good in troubleshooting Windows issues via CMD. Good knowledge on Sys Internal Tools from troubleshooting standpoint VMware(ESXi, vCenter, vSAN) VMware availability technologies Site Recovery Manager, vMSC MS Windows Server Hyper-V Linux RHEL, SLES, CentOS, etc. Good knowledge on troubleshooting Windows Performance issues on Azure & AWS Platform Good Knowledge on identifying Hidden Process which cause Memory leaks using various tools. Required: Perform Troubleshooting on Windows Performance issues. Troubleshoot Complex issues which may occur on Premise or Virtual Servers Machines (Azure VMware). Perform multi-tasking and handle High Volume and Complex cases. Do research on complex cases utilizing internal documents and knowledge base and apply fix for customers. Proven experience in designing and implementing solutions on Microsoft Azure. Strong knowledge of Azure services, including IaaS, PaaS, and SaaS offerings. Familiarity with Azure security and compliance features. Proficiency in scripting languages (PowerShell, Python) for automation. Experience with source control systems and CI/CD pipelines. Azure certifications, such as Microsoft Certified: Azure Administrator Associate or Microsoft Certified: Azure Solutions Architect Expert, are a plus. Business Skills: i. Demonstrate strong written and verbal communication skills ii. Demonstrate business judgment, decision making skills, negotiating skills, time-resource management, complex problem solving, in-depth product knowledge, creativity, teamwork, knowledge of quality processes, political astuteness and sensitivity in dealing with diverse cultures and ability to learn quickly. iii. Experience in interacting/Supporting Level 1 Support teams and customers iv. Must be a team player and show ability and willingness to motivate and support other engineers Mandatory Key Skills No Boot,Memory,DNS,CPU,Troubleshooting,Microsoft troubleshooting*,DHCP,Sever Crash,Microsoft System Center*,VMWare*,Power shell scripting,OS Hardening*,TCP/IP,HyperV Administration*,Memory leaks

Role & responsibilities Good Knowledge of Linux Basic Troubleshooting of Linux servers Hands-on on production servers is well good Housekeeping of root and other directories which come under our support. Creating SR, Patching Activity, Taking followup on SR and providing data as per requirements. Troubleshooting task related to Memory and Cpu Visiting Dc for Task related to Networking/Ports Restarting Pods and Changes in replicas for patching. Generating Exawatcher and Oswatcher. Resetting Password and unlocking User. Troubleshooting Issues with SRO on zoom and ACI Migration Activities and To mount directories creating mount-points . Involving in below activities after replacement completed from Field engineer ex:- Hard disk, Flash disk, Ib Switches, DIMM and Pcei card replacement activity. Oem Agent down issue resolving and Server rebooting activity from Ilom. Fault clear Activity on Solaris server and Zfs and Troubleshooting of health monitoring of Exadata,NCB. Sneep Installation Activity and Kubernetes OS Patching Activity. Exacc replacement Activity and Resolving Port down issue with DC noc team Baseline Remediation and Vulnerabilitiy Fix Activity VM Migration on PCC and Qualis Agent installation and PCC OS Patching activity and PM Module replacement Exacc OS Patching and Exacc Infra Patching Pods replicas increase and decrease POA and RBP and LVM Creation Troubleshooting issues while patching and SIEM Configuration on server