Senior Server Engineer

Stewart Pakistan Private Limited; Lahore; On-site; PKR 1,800,000 - 3,200,000; Full time

Job summary

Stewart Pakistan Private Limited is seeking an experienced Windows/VMware Administrator based in Lahore. The role focuses on maintaining Windows servers and VMware environments, with strong emphasis on patching, security, and incident response.

The candidate should have hands-on experience with Ubuntu Linux administration and collaborate with IT, development, and security teams to ensure seamless operations and compliance. On-call support is required.

Qualifications

• 8 to 10 years of proven experience in Windows and VMware systems administration.
• Strong experience in managing VMware virtualization environments.
• Experience in security patching vulnerability management processes.
• Knowledge of security best practices and experience in implementing security measures.
• Experience with Ubuntu Linux administration and Linux networking.
• Excellent problem-solving and communication skills.
• Experience with incident management and SLA-based resolutions.
• Automating routine tasks with PowerShell/PowerCLI is a plus.

Responsibilities

• Manage Windows and VMware environments, ensure uptime and SLA adherence.
• Respond to incidents, troubleshoot system failures, and document resolutions.
• Participate in 7x24 on-call rotations and 24/7 escalation processes.
• Collaborate with IT, development, and security teams for integrated solutions.
• Perform patch management, vulnerability remediation, and security hardening.
• Maintain UCS, ESXi, vCenter, and related virtualization components.
• Provide training opportunities and knowledge sharing within the team.

Skills

Windows Server

VMware vSphere

VMware vCenter

PowerCLI

Linux Ubuntu

Linux administration

SSH & networking

Security patching

Troubleshooting

Team collaboration

Education

Bachelors in Information Technology/Computer Science

Tools

WSUS

ESXi

vSAN

Cisco UCS

Bash scripting

Systemd

Job description

• 8 to 10 years of proven experience in Windows and VMware systems administration.
• Strong experience in managing VMware virtualization environments.
• Experience in security patching vulnerability management processes.
• Knowledge of security best practices and experience in implementing security measures.
• Excellent problem-solving and communication skills.
• Investigate and resolve technical issues, system failures, and user problems related to both Windows and VMware system
• Escalation points for L1 and L2 Day to day Operational issues, requests and Project tasks Respond and resolve escalated system incidents, problems or outages and accurately report and document solutions Problem determination and resolution within SLAs.
• Perform the Shift handovers ticket status check and update Incident Escalation and Progress Monitoring Participate in team on-call response 7x24x365.
• Engaged in team building and participated in the collaborative team's progress.
• Collaborate with cross-functional teams, including IT, development, and security teams, to ensure the seamless integration of Linux systems with overall business processes.
• Identify training needs and provide opportunities for team members to enhance their skills and knowledge in Windows and VMware administration.
• Strong verbal and written communication skills to convey technical information to non-technical stakeholders, facilitate discussions, and present ideas clearly and concisely.
• Bachelor's Engineering degree in information technology, Computer Science, or a related field (or equivalent experience). Or post graduate degree in science or computer stream.
• LINUX Strong hands-on experience with Ubuntu Linux administration (Must Have).
• Deep understanding of Ubuntu server architecture, installation, configuration, upgrades, and patch management.
• Strong troubleshooting skills for Ubuntu operating systems, services, performance, and system-level issues.
• Experience managing systemd services, boot process, package management (APT), and repositories.
• Proficiency in Linux command line and Bash shell scripting.
• Experience with user and group management, permissions, file systems, storage, and LVM.
• Strong knowledge of Linux networking, including TCP/IP, DNS, SSH, routing, firewall (UFW/iptables), and network troubleshooting.
• Experience with log analysis using tools such as journalctl, syslog, and other Linux logging utilities.
• System performance monitoring, tuning, and capacity management.
• Experience with security hardening, vulnerability remediation, and OS patching.
• Hands-on experience with filesystems (ext4, XFS), LVM,RAID, disk partitioning, and storage troubleshooting. Nice to have ZFS file system.
• Ability to perform root cause analysis (RCA) for complex Linux infrastructure issues.
• Good to have knowledge of other flavors of Linux.

Windows and VMware Environment Management:

• Install, Configure, maintain and troubleshoot WSUS infrastructure, approve and push the patches Perform VM vMotion, Storage vMotion, Add/Remove Memory or any other Hardware resources on the VM Installing or upgrading Vmtools, upgrade hardware version on the VM Taking, Deleting and reverting snapshots of the VM Adding ESX host to maintenance during any scheduled activities.
• Oversee the deployment, and maintenance of VMware virtualization infrastructure.
• Monitor system performance, security, and availability for both Windows and VMware environments to proactively identify and resolve issues.
• Manage, maintain & Troubleshoot ESXI, Virtual Center & Other VMware datacenter solutions.
• Implement and maintain Windows-based systems, including servers, desktops, and virtual machines.
• Install, configure, maintain ,troubleshoot Windows Operating system on physical servers and in virtualized environments.
• VMware administrators create and install, manage and configure IT infrastructure solutions, including hardware, servers, and virtual machines, using a VMware environment such as vSphere.
• VMware administrators are heavily involved in planning the customer's infrastructure. This involves gathering data from the system, finding possible solutions, developing and presenting design ideas, and carefully evaluating the suggestions of others.
• Actively contribute to a dynamic team of Windows and VMware administrators, fostering an environment of mutual support and cooperation.
• Implement and maintain security protocols and best practices to safeguard Windows and VMware environments
• Develop and work on implementing a continuous service improvement plan to enhance the performance, security, and efficiency of Windows and VMware systems, incorporating feedback and analysis to drive continuous enhancement.
• Encourage and explore innovative solutions and technologies to enhance infrastructure and operational efficiency and help in automating routine operational support processes with tools such as PowerShell, VMware PowerCLI.

UCS:

• Installation, configuration and administration of VMware ESXi 7.X & 8.X on physical servers, vSwitch and dvSwitch Management, Managing Site Recovery Manager.
• Installation and managing vSAN Infrastructure and Patching of ESXi
• Implementation, Administration and troubleshooting include VMware ESXi, Vcenter, Windows 2k8/2k12 and RHEL on Cisco UCS Infrastructure.
• Installation UCS domain and FI configuration, Blade migration hand on support
• Experience in handling the Chassis and Blade server technology, specifically worked on CISCO UCS B 200 M3/M4, B 440 M2 series Chassis, blade servers.
• Troubleshooting and fixing UCS, VMware and windows issues.
• Installing and upgrading the Cisco nexus 1kv and CISCO UCS servers.
• Configuring and updating Cisco UCS Chassis to New PODs and fabric interconnect (6120XP and 6332UP).
• Updating the firmware on cisco ucs servers includes with Fabric interconnectors (6120XP and 6332UP).
• Creating service profiles, adding new VLANs on CISCO UCS servers.