Principal Lead System Administrator(VMware, Windows & Linux)

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Job Overview:

We are looking for an experienced Principal Systems Administrator with strong hands-on expertise in VMware virtualization, Windows Server, and Linux administration. The role involves managing and supporting enterprise virtual and physical server environments, ensuring high availability, performance, and security. You will collaborate with cross-functional teams and vendors to deliver reliable and efficient infrastructure operations.

Key Responsibilities

• Manage and maintain VMware vSphere, ESXi, and vCenter environments.
• Administer Windows Server (2016/2019/2022) and Linux (RHEL/CentOS/Ubuntu) systems.
• Perform patching, upgrades, performance tuning, and capacity planning.
• Monitor and troubleshoot virtualization, OS, and hardware issues across the environment.
• Support backup, restore, and disaster recovery operations using enterprise tools (IDPA, PPDM, Rubrik), etc.).
• Ensure compliance with security and audit standards.
• Automate routine administrative tasks using PowerShell or Bash scripting.
• Maintain system documentation, SOPs, and operational reports.
• Collaborate with storage, network, and security teams to ensure end-to-end service reliability.
• Provide L2/L3 support and participate in on-call and maintenance activities.

Educational Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field with 10+ years of experience in enterprise VMware, Windows, and Linux administration.
• Strong knowledge of VMware vSphere, vCenter, and ESXi.
• Expertise in Windows Server administration (AD, DNS, DHCP, GPO).
• Proficiency in Linux (RHEL/CentOS/Ubuntu) system management.
• Familiarity with backup and DR solutions (Veeam, Commvault, Rubrik, etc.).
• Good understanding of networking fundamentals, security hardening, and ITIL processes.
• Strong troubleshooting and analytical skills.
• Excellent collaboration and communication abilities.

Preferred Certifications

• VMware Certified Professional (VCP)
• Microsoft Certified: Windows Server Administrator (MCSA/MCSE)
• Red Hat Certified System Administrator (RHCSA/RHCE)
• ITIL Foundation Certification

Why Join Us?

• Opportunity to work on diverse technologies across VMware, Windows, and Linux.
• Exposure to enterprise-scale infrastructure and modernization initiatives.
• Collaborative environment with opportunities for upskilling and growth.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Handle support tickets from L1 through L3, including incident resolution, request fulfillment, problem management, and change execution.
• Administer and maintain VMware vSphere, ESXi hosts, and virtual machines.
• Manage and support Windows and Linux server environments (AD, DNS, DHCP, GPO, RHEL/CentOS/Ubuntu).
• Perform OS patching, upgrades, and performance tuning for Windows and Linux servers.
• Monitor system health, capacity, and performance, and proactively address potential issues.
• Perform backup and restore operations using enterprise backup tools (e.g., IDPA,Veeam, Commvault, Rubrik).
• Collaborate with network, storage, and security teams to ensure smooth infrastructure operations.
• Ensure system compliance with security standards, policies, and audit requirements.
• Maintain documentation, SOPs, and operational runbooks for supported systems.
• Participate in automation and process improvement initiatives using PowerShell or Bash scripting.
• Plan and execute changes following ITIL change management processes.
• Support business continuity and disaster recovery testing as required.
• Provide on-call support and participate in planned maintenance activities.

QUALIFICATIONS

• Strong technical expertise in VMware vSphere 6/7/8, including vCenter, ESXi, vMotion, and resource management.
• Proficiency in Windows Server 2016/2019/2022 administration (Active Directory, DNS, DHCP, GPO, clustering).
• Proficiency in Linux (RHEL/CentOS/Ubuntu) server management, patching, and troubleshooting.
• Familiarity with backup solutions (Veeam, Commvault, Rubrik, or equivalent).
• Experience with PowerShell and Bash scripting for automation.
• Knowledge of security hardening, audit compliance, and vulnerability management.
• Understanding of ITIL processes (Incident, Problem, and Change Management).
• Excellent troubleshooting, analytical, and documentation skills.
• Strong communication and collaboration abilities.

CERTIFICATIONS (Preferred)

• VMware Certified Professional (VCP).
• Microsoft Certified: Windows Server Administrator (MCSA/MCSE).
• Red Hat Certified System Administrator (RHCSA/RHCE).
• ITIL Foundation Certification.

About Collins Aerospace

Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.

Collins Aerospace, a Raytheon Technologies company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Digital Technology

Do you want to be part of a new, exciting initiative to combine foundational IT with new digital technologies?  Our Digital Technology team is driving business efficiencies and a better customer experience by connecting technologies, people, information and processes. From making aircraft more electric, intelligent and integrated to building new software platforms such as Internet of Things, big data, artificial intelligence, and blockchain, there’s no better place to be right now than in digital. If you’re an agile thinker who enjoys utilizing modern technology to make big improvements, then you’re a perfect fit for this team. Join Collins Aerospace to help us revolutionize the aerospace industry today! 

WE ARE REDEFINING AEROSPACE.

*Please consider the following role type definitions as you apply for this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Hybrid: Employees who are working in Hybrid roles will work regularly both onsite and offsite.  Ratio of time working onsite will be determined in partnership with your leader.

Remote: Employees who are working in Remote roles will work primarily offsite (from home).  An employee may be expected to travel to the site location as needed. 

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

Some of our competitive benefits package includes:

Benefits package includes:

-           Meal coupons

-           Group Term Life Insurance.

-           Group Health Insurance.

-           Group Personal Accident Insurance.

-           Entitled for 18 days of vacation and 12 days of contingency leave annually.

-           Employee scholar programme.

-           Work life balance.

-           Car lease programme.

-           National Pension Scheme

-           LTA

-           Fuel & Maintenance /Driver wages

-           Meal vouchers

Nothing matters more to Collins Aerospace than our strong ethical and safety commitments. As such, all India positions require a background check, which may include a drug screen.

Note:

• Background check and drug screen required (every external new hire in the India)
• Drug Screen only performed for Operations Positions

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that’s redefining

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.  

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