Network Engineer II at Braze – London | Jobyssey

At Braze, we have found our people. We’re a genuinely approachable, exceptionally kind, and intensely passionate crew.

We seek to ignite that passion by setting high standards, championing teamwork, and creating work-life harmony as we collectively navigate rapid growth on a global scale while striving for greater equity and opportunity – inside and outside our organization.

To flourish here, you must be prepared to set a high bar for yourself and those around you. There is always a way to contribute: Acting with autonomy, having accountability and being open to new perspectives are essential to our continued success.

Our deep curiosity to learn and our eagerness to share diverse passions with others gives us balance and injects a one-of-a-kind vibrancy into our culture.

If you are driven to solve exhilarating challenges and have a bias toward action in the face of change, you will be empowered to make a real impact here, with a sharp and passionate team at your back. If Braze sounds like a place where you can thrive, we can’t wait to meet you.

WHAT YOU'LL DO

Network Architecture & Design

Design, architect, and implement new network solutions across our global enterprise environment, including LAN, WAN, wireless, and security infrastructure.
Develop scalable network designs leveraging advanced routing protocols and ECMP (Equal-Cost Multi-Path) for optimal traffic distribution and redundancy.
Architect and deploy enterprise-grade load balancing solutions, applying methods such as round-robin, least-connections, and weighted distribution to optimize application delivery and availability.
Design and enforce firewall security policies, routing instances, and segmentation strategies across Juniper SRX platforms, ensuring a strong and consistent security posture.
Design and deploy enterprise WiFi solutions including RF planning, site surveys, and WLAN architecture.

Project Ownership & Execution

Own network engineering projects end-to-end — from requirements gathering and design through implementation, testing, and handoff to operations.
Establish and track project milestones and deliverables under a rigorous change management process.
Install and configure networking equipment and security systems for new office build-outs globally.
Lead vendor evaluations and manage vendor relationships for technology procurement and delivery.
Travel to global sites as needed to support infrastructure builds and major project deployments.
Collaborate with cross-functional stakeholders including Service Desk, Workplace Experience, Security, Development, Engineering, Project Managers, and vendors to deliver on time and within scope.

Monitoring, Observability & Security

Implement and optimize network monitoring using Elasticsearch for SNMP-based telemetry, providing visibility into device health, interface utilization, and performance trends.
Leverage SIEM platforms for Syslog aggregation, event correlation, and security alerting, contributing to the organization's overall security posture.
Report on infrastructure activity logs, performance, availability, operational metrics, alerts, and threats.
Conduct compliance audits and ensure network configurations align with security frameworks and organizational standards.
Lead post-mortems and root cause analyses for significant network incidents, implementing systemic improvements.

Automation & Innovation

Develop and implement automation strategies to reduce manual effort, increase reliability, and accelerate project delivery.
Champion infrastructure-as-code and network automation practices across the team.
Identify opportunities to improve operational efficiency, standardize configurations, and enhance the overall network architecture.
Contribute regularly to documentation, design guides, and the Knowledge Base to enable team-wide knowledge sharing.

Operational Support

Serve as a subject matter expert and escalation point for the Global IT Service Desk on complex wired and WiFi network issues.
Contribute to day-to-day operational support, troubleshooting performance and connectivity issues alongside the broader infrastructure team.
Support routine maintenance, patching, and upgrades as part of the team's operational responsibilities.

WHO YOU ARE

Required

5+ years of experience in enterprise network engineering.
Solid working knowledge of routing protocols, subnetting, VLANs, VPN, load balancing, traffic shaping, network and firewall best practices, IDS/IPS, firewall filtering, and 802.1x.
In-depth expertise supporting Juniper SRX firewalls and Juniper EX switching infrastructure in enterprise environments.
Strong background designing, deploying, and maintaining enterprise WiFi solutions.
Proven project management experience, overseeing initiatives from initiation to completion under a rigorous change management process.
Skilled in vendor management.
Strong ability to work both independently and collaboratively within a team.
Self-starter with the capability to multitask and prioritize issues based on severity.
Passionate about automation and operational efficiency.
Excellent communication and interpersonal skills.
Ability to lift 40 lbs.
Willingness to travel to global sites as needed.

Nice to have

Familiarity with Ruckus wireless systems.
Experience with Okta, Active Directory, and RADIUS.
Experience with ZScaler.
Experience with Elasticsearch.

WHAT WE OFFER

Braze benefits vary by location, and we encourage you to review our specific benefits offerings for each country at here. More details on benefits plans will be provided if you receive an offer of employment.

From offering comprehensive benefits to fostering hybrid ways of working, we've got you covered so you can prioritize work-life harmony. Braze offers benefits such as:

Competitive compensation that may include equity
Retirement and Employee Stock Purchase Plans
Flexible paid time off
Comprehensive benefit plans covering medical, dental, vision, life, and disability
Family services that include fertility benefits and equal paid parental leave
Professional development supported by formal career pathing, learning platforms, and a yearly learning stipend
A curated in-office employee experience, designed to foster community, team connections, and innovation
Opportunities to give back to your community, including an annual company-wide Volunteer Week and donation matching
Employee Resource Groups that provide supportive communities within Braze
Collaborative, transparent, and fun culture recognized as a Great Place to Work®

ABOUT BRAZE

Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging™ Braze helps brands deliver great customer experiences that drive value both for consumers and for their businesses. Built on a foundation of composable intelligence, BrazeAI™ allows marketers to combine and activate AI agents, models, and features at every touchpoint throughout the Braze Customer Engagement Platform for smarter, faster, and more meaningful customer engagement. From cross-channel messaging and journey orchestration to Al-powered decisioning and optimization, Braze enables companies to turn action into interaction through autonomous, 1:1 personalized experiences.

The company has repeatedly been recognized as a Leader in marketing technology by industry analysts, and was voted a G2 “Best of Marketing and Digital Advertising Software Product” in 2025.

Braze was also named a 2025 Best Companies To Work For by U.S. News and World Report, a 2025 America’s Greatest Companies by Newsweek, and a 2025 Fortune Best Workplace in Technology™ by Great Place To Work®, among other accolades. Braze is also proudly certified as a Great Place to Work® in the U.S., the UK, Australia, and Singapore.

The company is headquartered in New York with offices in Austin, Berlin, Bucharest, Chicago, Dubai, Jakarta, London, Paris, San Francisco, São Paulo, Singapore, Seoul, Sydney and Tokyo.

BRAZE IS AN EQUAL OPPORTUNITY EMPLOYER

At Braze, we strive to create equitable growth and opportunities inside and outside the organization.

Building meaningful connections is at the heart of everything we do, and that includes our recruiting practices. We're committed to offering all candidates a fair, accessible, and inclusive experience – regardless of age, color, disability, gender identity, marital status, maternity, national origin, pregnancy, race, religion, sex, sexual orientation, or status as a protected veteran. When applying and interviewing with Braze, we want you to feel comfortable showcasing what makes you you.

We know that sometimes different circumstances can lead talented people to hesitate to apply for a role unless they meet 100% of the criteria. If this sounds familiar, we encourage you to apply, as we’d love to meet you

OUR AI-POWERED BRAZE RECRUITMENT PROCESS

At Braze, we’re committed to a fair and transparent candidate experience. To help our recruitment teams focus on what matters most — the person behind each application — we use AI-assisted tools at certain stages of our recruitment process.

This includes using AI to analyze the experience, skills and qualifications in your application materials to help with screening and prioritizing candidates. Such screening may amount to a form of solely automated decision-making. We also use AI for administrative support, like scheduling and recording interviews and summarizing interview notes. Our recruiting teams remain responsible for all hiring decisions and are involved throughout the process.

Depending on where you are located, you may have certain rights available to you in relation to Braze’s use of AI:

To opt out of AI-assisted review of your application, please click the “Learn More” at the end of the application form below and follow the instructions before submitting your application. Please note, if you apply to multiple roles at Braze, you will need to opt out in relation to each application.
To exercise other types of rights, such as rights to request further information about how AI is used in our recruitment process, to request a manual review of any decision made or to contest a decision, please contact us at [email protected].

Please contact us at [email protected] with any questions. To find out more about our hiring process, check out this page.

Notice Regarding Automated Employment Decision Tool (NYC Local Law 144)

Our use of AI during the application review process may include the use of automated employment decision tools. Pursuant to New York City Local Law 144, for roles based in New York City, or if you reside in New York City, you have the right to request an alternative selection process or a reasonable accommodation instead of AI-assisted review.

To opt out of AI-assisted review of your application, please click the “Learn More” button below and follow the instructions before submitting your application. Please note, if you apply to multiple roles at Braze, you will need to opt out in relation to each application. Please submit any other request to our Talent Acquisition team at [email protected] promptly after applying. Summaries of the most recent bias audit results for such tools are available here.

Please see our Candidate Privacy Policy for more information on how Braze processes your personal information during the recruitment process and, if applicable based on your location, how you can exercise any privacy rights.

Network Engineer II

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