Senior Network Engineer

Our Insights Personal Finance Market Trends Technology & Disruption Sustainability Diversity & Inclusion What We Do Wealth Management Investment Banking & Capital Markets Sales & Trading Research Investment Management Morgan Stanley at Work Sustainable Investing Inclusive Innovation About Us Core Values Leadership History Locations Diversity Sustainability Giving Back Technology Careers Students & Graduates Experienced Professionals LanguageEnglishFrench Single PositionView All JobsHybridSenior Network EngineerLondon, United KingdomApply NowFind out how well you match with this jobUpload your resumeJob descriptionEmployment TypeFull timeJob LevelProfessionalPosted DateJul 21, 2026We are seeking a highly skilled and hands-on Senior Network Engineer to join our Enterprise Network Services team with 8 years+ experience. This role is responsible for deploying and supporting critical network infrastructure across both internal enterprise environments and external customer-facing platforms.The ideal candidate will have extensive experience planning and executing critical network security and infrastructure patch rollouts in fast-paced, highly regulated, and uptime-sensitive environments. The role requires deep expertise in routing, switching, data centre networking, internet connectivity, network security, and production change management, preferably in a Financial Services Firm.The successful candidate will demonstrate a strong track record of executing complex infrastructure changes with minimal risk, maintaining network resiliency, and supporting business-critical services operating in 24x7 global environments. The ability to work both independently and as a team member is essential.In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is an Infrastructure Production Management & Reliability Engineering position at Director level, which is part of the job family responsible for maintaining the stability and reliability of the organization's infrastructure systems, ensuring optimal performance and availability to support business operations.Since 1935, Morgan Stanley is known as a global leader in financial services, always evolving and innovating to better serve our clients and our communities in more than 40 countries around the world.What you’ll do in the role:Implement, and support enterprise-scale network infrastructure across data centres, campus and branch environments.Provide Tier-3 support and technical leadership during major incidents and escalations.Develop and maintain network standards, update documentation, and engineering procedures.Lead planning, testing, risk assessment, and deployment of critical security and infrastructure patches across production environments, ensuring timely rollout with zero unplanned outages.Drive execution of complex, large-scale maintenance activities across global environments with minimal customer or business impact.Coordinate maintenance windows, rollback plans, validation testing, and post-implementation reviews.Ensure compliance with security, audit, and regulatory requirements through timely remediation of vulnerabilities.Partner with Security, Infrastructure, Application, and Operations teams to prioritize remediation activities and maintain resilient business services.Coordinate end-to-end remediation activities including maintenance windows and pre/post validations across multiple stakeholders, including business application owners, multiple infrastructure teams (Unix, Load Balancer, Firewall etc), security teams, and all relevant third-party vendors (Cisco/Arista etc).Maintain high availability and resilience of business-critical services while improving network reliability and security posture.Monitor...