Senior Systems Engineer (vSphere, ESX, Windows Server) - Conference Technology

Gartner; Egham; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Private Medical and Dental Insurance

Hybrid Work Environment

Professional growth opportunities

Job summary

Gartner, Inc. seeks a Senior Systems Administrator to support the global conferences technology team, deploying, maintaining and supporting systems at venues worldwide.

You will work with the networking team to ensure secure, scalable infrastructure across locations and uphold enterprise standards and vendor requirements. The role requires travel to support systems on site at multiple venues and collaboration with networking to ensure integration and uptime.

Qualifications

• Bachelor’s degree in a STEM field.
• 5–8 years of progressive systems administration experience.
• Experience with distributed, enterprise-scale systems.
• Experience as a Systems Administrator in global environments.
• VMware vSphere/ESX management experience.
• Strong Windows Server (2016/2019/2022), AD, GP knowledge.
• Hands-on with virtual switches, VLANs, and network troubleshooting.
• Experience with redundant, highly available architectures and DR.
• Foundational knowledge of enterprise IT standards and security.
• Collaborative work with networking teams to deliver reliable infrastructure.
• Strong documentation, communication, and interpersonal skills.
• Experience mentoring junior admins and supporting teams.

Responsibilities

• Deploy, manage, and support VMware vSphere and ESX environments globally.
• Deploy, manage and troubleshoot physical hardware for events.
• Administer Windows Server OS, including patch management and troubleshooting.
• Maintain virtual switch infrastructure, VLANs, and network connectivity.
• Collaborate with networking to integrate systems at venues.
• Support redundant, highly available architectures and DR objectives.
• Drive consistency in system configuration, security, and standards.
• Monitor performance, perform root-cause analysis, and resolve issues.
• Document system configurations and venue-specific requirements.
• Mentor junior administrators and share knowledge within the team.
• Participate in disaster recovery planning, testing, and execution.
• Coordinate on-call rotations and incident response.

Skills

Strong analytical and problem-solving

Team collaboration

Excellent communication

Travel willingness

Education

Bachelor’s degree in Systems Engineering/related STEM

Tools

VMware vSphere/ESX

Windows Server (2016/2019/2022)

Active Directory & Group Policy

Virtual switches & VLANs

Backup/DR concepts

PowerShell scripting

Job description

Position Overview

We are seeking a skilled and experienced Senior Systems Administrator to support our global conferences technology team. In this role, you will be responsible for deploying, maintaining, and supporting multiple sets of systems that are remotely installed at venues around the world. You will work closely with our networking team to ensure robust, secure, and consistent infrastructure at every location, and help uphold enterprise standards and best practices across all deployments.

The ideal candidate will possess strong technical expertise and a proven track record in systems administration. You will ensure that all systems are robust, scalable, and aligned with business objectives and vendor requirements. This role requires domestic and possibly international travel to support our systems and services on site in several locations.

Key Responsibilities

• Deploy, manage, and support VMware vSphere and ESX environments, ensuring optimal resource utilization, performance, and scalability for conference systems globally.
• Deploy, manage, and troubleshoot physical hardware to ensure all services at events are fully operational.
• Administer and support Windows Server operating systems, including configuration, patch management, and troubleshooting, for systems deployed to multiple venues.
• Maintain virtual switch infrastructure, VLANs, and virtual network connectivity in alignment with enterprise and conference requirements.
• Collaborate with the networking team to ensure integration of systems and network architecture at all remote venues.
• Support the implementation of redundant and highly available architectures to maximize uptime and support disaster recovery objectives for conference deployments.
• Help drive consistency in system configuration, security, and operational standards across all conference venues.
• Monitor system performance, conduct root cause analysis, and proactively resolve infrastructure issues, including those arising from remote installations.
• Maintain documentation of system configurations, deployment procedures, and venue-specific requirements.
• Assist in mentoring junior administrators and share technical knowledge within the conference technology team.
• Participate in disaster recovery planning, testing, and execution for global conference systems.
• Participate in and help coordinate on-call rotations and response to critical incidents involving conference technology infrastructure.

Qualifications

• Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Science, or related STEM field.
• Minimum 5–8 years of progressive experience in systems administration.
• Solid experience supporting complex, distributed systems.
• Experience as a Systems Administrator in large-scale, enterprise environments with a global footprint.
• Proficiency with VMware vSphere and ESX, including management of virtual machines, hosts, clusters, and storage integration.
• Strong knowledge of Windows Server operating systems (2016/2019/2022), Active Directory, Group Policy, and related services.
• Hands‑on experience with virtual switches, VLANs, and virtual network troubleshooting.
• Experience supporting redundant, highly available architectures (e.g., failover clusters, replication, load balancing).
• Foundational knowledge of network architecture to ensure integration and support for systems at remote venues.
• Understanding of enterprise IT standards, security best practices, and regulatory compliance.
• Experience working collaboratively with networking teams to deliver reliable infrastructure.
• Strong analytical, troubleshooting, and problem‑solving skills for distributed systems.
• Good documentation, communication, and interpersonal skills.
• Experience assisting with projects and supporting team members.

Preferred Skills

• Master’s degree in engineering discipline.
• Relevant technical certifications (e.g., VMware VCP/VCAP, Microsoft MCSE, CompTIA Network+, cloud, networking, security).
• Experience with enterprise storage solutions (SAN/NAS) and their integration with virtual environments.
• Proficiency with scripting and automation (PowerShell, Bash, etc.).
• Experience with enterprise backup, replication, and disaster recovery solutions.

What you will get

• Competitive compensation, generous paid time off policy, charity match program, and more!
• Private Medical and Dental Insurance, Parental Leave, Employee Assistance Program (EAP).
• Limitless growth and learning opportunities.
• A collaborative and positive culture - join a diverse team of professionals that are as smart and driven as you.
• A chance to make an impact – your work will contribute directly to our strategy.
• Hybrid Work Environment - enjoy the flexibility of working from home and the energy of collaborating with peers in our dynamic offices.

Who are we?

At Gartner, Inc. (NYSE:IT), we guide the leaders who shape the world.

Our mission relies on expert analysis and bold ideas to deliver actionable, objective business and technology insights, helping enterprise leaders and their teams succeed with their mission‑critical priorities.

Since our founding in 1979, we’ve grown to 20,000 associates globally who support over 13,000 client enterprises in ~90 countries and territories. We do important, interesting and substantive work that matters. That’s why we hire associates with the intellectual curiosity, energy and drive to want to make a difference. The bar is unapologetically high. So is the impact you can have here.

What makes Gartner a great place to work?

Our vast, virtually untapped market potential offers limitless opportunities – opportunities that may not even exist right now – for you to grow professionally and flourish personally. How far you go is driven by your passion and performance.

We hire remarkable people who collaborate and win as a team. Together, our singular, unifying goal is to deliver results for our clients.

Our teams are inclusive and composed of individuals from different geographies, cultures, religions, ethnicities, races, genders, sexual orientations, abilities and generations.

We invest in great leaders who bring out the best in you and the company, enabling us to multiply our impact and results. This is why, year after year, we are recognized worldwide as a great place to work.

Gartner is the world authority on AI

At Gartner, you’ll join a company at the very center of the AI revolution. Gartner has proactive, objective guidance throughout clients’ AI journeys. We set the standard for how organizations leverage artificial intelligence to drive meaningful impact. You’ll have access to unmatched resources, expertise, and technology, and play a key role in helping Gartner and our clients innovate and grow as we leverage AI to transform business and technology landscapes.

It’s an exciting time to be at Gartner, with limitless opportunities to make a real impact, grow your skills, and build a lasting, meaningful career in a field that’s reshaping the way we operate. If you’re passionate about AI and want to be part of a team that’s guiding the leaders who shape the world, Gartner is the place for you.

What do we offer?

Gartner offers world‑class benefits, highly competitive compensation and disproportionate rewards for top performers.

In our hybrid work environment, we provide the flexibility and support for you to thrive — working virtually when it's productive to do so and getting together with colleagues in a vibrant community that is purposeful, engaging and inspiring.

The policy of Gartner is to provide equal employment opportunities to all applicants and employees without regard to race, color, creed, religion, sex, sexual orientation, gender identity, marital status, citizenship status, age, national origin, ancestry, disability, veteran status, or any other legally protected status and to seek to advance the principles of equal employment opportunity.

Gartner is committed to being an Equal Opportunity Employer and offers opportunities to all job seekers, including job seekers with disabilities. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access the Company’s career webpage as a result of your disability. You may request reasonable accommodations by calling Human Resources at [phone] or by sending an email to [e-mail].