Principal Network Engineer (Network Performance & Reliability)

TN United Kingdom; Greater London; Hybrid; GBP 60,000 - 100,000; Full time

Job summary

An established industry player is seeking a Principal Network Engineer to enhance the performance and reliability of their network infrastructure. This role involves collaborating with various teams to troubleshoot and resolve network issues, ensuring operational readiness during live conferences. The ideal candidate will have extensive experience in network performance engineering, a deep understanding of cloud technologies, and proficiency in using network monitoring tools. Join a dynamic team that values innovation and offers a hybrid work environment, providing the flexibility to work from home while engaging with colleagues in a collaborative office setting.

Benefits

Private Medical Insurance

Dental Insurance

Generous Paid Time Off

Charity Match Program

Limitless Growth Opportunities

Qualifications

• 12+ years in IT with 7+ years in network performance engineering.
• Deep understanding of OSI Framework and network protocols.
• Experience with NPM tools and cloud technologies.

Responsibilities

• Troubleshoot complex network performance issues as part of SRE team.
• Monitor operational dashboards and respond to alerts during conferences.
• Develop chaos test cases to identify vulnerabilities in the network.

Skills

Network Performance Engineering

Cloud Technologies (AWS/Azure)

Network Monitoring Tools (PRTG, Solarwinds)

Network Packets Analysis

Analytical Skills

Troubleshooting Skills

Education

Bachelor's Degree in Computer Science

Tools

Extrahop

Riverbed AppResponse

LiveAction

Dynatrace

AppDynamics

Job description

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Principal Network Engineer (Network Performance & Reliability), Surrey

Client: Gartner

Location: Surrey, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Reference: 395cb79a8684

Job Views: 12

Posted: 01.05.2025

Expiry Date: 15.06.2025

Job Description:

Hiring near our Egham, UK. Hybrid, flexible environment.

About Gartner IT:

Join a world-class team of skilled engineers who build creative digital solutions to support our colleagues and clients. We make a broad organizational impact by delivering cutting-edge technology solutions that power Gartner. Gartner IT values its culture of nonstop innovation, an outcome-driven approach to success, and the notion that great ideas can come from anyone on the team.

About this role:

We are seeking a Principal Network Engineer (Network Performance) who will play a crucial role in supporting the production and operations of our conferences IT platforms and our enterprise network (both cloud & on prem). During live conferences, the candidate will work closely with network operations team members to ensure smooth operation of the network infrastructure by optimizing and maintaining its high performance and reliability. Additionally, during non-conference periods, the candidate will focus on ensuring the operational readiness of the network infrastructure. This includes Observability, performance and resiliency utilizing Chaos Engineering techniques.

What you’ll do:

• As part of SRE scrum team, troubleshoot and resolve complex network performance and reliability issues, working closely with network operations and engineering teams
• Function as SME in utilizing NPM tools to drive forensics on network performance and reliability issues that impact optimal end user experience and application health
• Work closely with the Conference Network team and also Enterprise Network team to maintain / enhance a comprehensive knowledge of the systems and infrastructure
• Work closely with the Observability team to maintain / improve dashboard / alerting posture
• Monitor operational dashboards and alerts during conferences and respond to alerts
• Collaborate to develop / design chaos test cases that effectively simulate real-world scenarios, identify potential vulnerabilities and areas for improvement
• Execute chaos tests, analyze using NPM, APM and other monitoring tools to identify performance and stability issues
• Utilize breadth of knowledge and experience to accurately connect the dots between application and network performance issues
• Utilize strong network forensics knowledge to cross train other IT engineers
• Use data driven analysis to drive continuous improvement in network observability, performance, reliability and resilience
• Perform analytics on previous incidents to understand root causes and use automation to detect problems faster, reduce the probability and/or impact of problem recurrence where possible
• Support and drive advancement of our NPM tools and services
• Available to work flexible hours as required for operational support and during select conferences to ensure coordination among globally distributed team
• Participate in on-call schedule, ensuring that issues are addressed promptly and effectively

What you’ll need:

• 12+ years of information technology experience, with a desired 7+ years in a relevant network performance engineering role or similar position providing comprehensive support of critical multi-tier applications
• Deep understanding of the following technologies and concepts:
• AWS/Azure cloud, on-prem and its most commonly used network related services
• OSI Framework, network protocols, network topologies, network components
• OS and corresponding performance indicators; Windows Server & Linux
• Front-end web analysis/optimizations including caching, CDNs, compression, SPOFs
• Foundational understanding of N-tier architecture and its components
• Proficiency in network packets analysis
• 5+ years’ experience in working with NPM tools like Extrahop, Riverbed AppResponse, LiveAction, etc.
• Experience working with Network Monitoring tools like PRTG, Solarwinds, etc.
• Stay updated with industry trends and emerging technologies related to network performance and reliability optimization
• Experience in troubleshooting using APM tools such as Dynatrace or AppDynamics is desired
• Exceptional analytical, diagnostic, and problem-solving skills
• Ability to work independently with a high degree of initiative and determination
• Bachelor’s degree or foreign equivalent degree in Computer Science or a related field required

Don’t meet every single requirement? We encourage you to apply anyway. You might just be the right candidate for this, or other roles.

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.
• A hybrid work environment—enjoy the flexibility of working from home and the energy of collaborating with peers in our dynamic offices.

#LI-Hybrid
#LI-JC5

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 insight, helping enterprise leaders and their teams succeed with their mission-critical priorities.

Since our founding in 1979, we’ve grown to more than 20,000 associates globally who support ~15,000 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 sustained success creates limitless opportunities for you to grow professionally and flourish personally. We have a vast, virtually untapped market potential ahead of us, providing you with an exciting trajectory long into the future. 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.

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.

Ready to grow your career with Gartner? Join us.

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 affirmatively 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.