Network Architect in City of London

About Persistent: We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q-o-Q and 18.8% Y-o-Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries.

We are fast growing company (with $1 billion dollars in revenue). Plan to grow at Krakow, Poland. If you’re interested in working on bleeding Data and AI technologies, join us.

Position and details:

• Location: Harbour Exchange Square, London
• Mode: Hybrid
• Experience: 10 to 15 years
• Job Type: Permanent role

Job Purpose: The Network Architect plays a key role in architecture / technology division. The role involves producing designs and overseeing the implementation of solutions encompassing hardware, software, and security to ensure performance, scalability, and reliability, bridging business needs with solutions for LANs, WANs, cloud and hybrid environments. This role involves collaborating with cross-functional teams to understand business requirements, providing technical leadership, and ensuring designs meet architectural principles and security standards. The architect should be a strong technologist that is very aware of current developments in the technology spectrum.

Key Responsibilities:

• Author High Level Solution Design, Solutions Overviews and Conceptual Architectures.
• Design and architect solutions based on technical and business requirements.
• Develop and document architecture blueprints and best practices.
• Provide technical leadership on network architecture including integration and management to ensure best practices are supported and implemented effectively.
• Act as a lead Architect on projects.
• Contribute to the development and management of the Network Strategy.
• Contribute to the continuous improvement of Architecture.
• Contribute to product roadmaps and reference architectures.

Required Skills and Experience:

• Proficient in enterprise, data centre and cloud network architecture with a strong track record of successful projects and in-depth knowledge of industry best practices.
• Experience developing and delivering solutions leveraging on-premises and cloud components.
• Good knowledge of cloud networking (AWS and Azure) components, including VPC design and hybrid connectivity.
• Familiarity with SaaS-based security and SASE architecture, Zero Trust principles.
• Familiarity with monitoring tools like SolarWinds and Dynatrace.
• Ability to communicate solutions to other stakeholders.
• Ability to assess and recommend third-party tools and services to complement existing offerings.
• Stakeholder management.
• Knowledge of security design.
• Good knowledge of Risk management.
• Work closely with other architecture disciplines including Enterprise, Infrastructure and Security, as well Engineering and Operations.
• Provide technical guidance to team members and stakeholders.
• Identify and recommend opportunities for efficiency.
• Stay updated on new features and capabilities and best practices.
• Ability to deal with ambiguity and manage diversity.
• Share knowledge with the team and contribute to the organization's learning culture.

Specialized Skills and Knowledge:

• Enterprise Infrastructure – Routing and Switching, including routing protocols, PBR, MPLS, VPN, SD-WAN, STP, ACL, L2/L3 switching technologies and QoS.
• Data Centre Infrastructure – Spine and leaf architecture, VxLAN fabric, Cisco NX-OS, RSA and NetScaler.
• Wi-Fi – Centralised and cloud-based WLAN solutions (Meraki preferred).
• Cloud Integration – Connectivity into cloud providers e.g. AWS Direct Connect, DX Gateway, NAT Gateway, Transit Gateway and VPN, management using security groups.
• Security and Firewall Management – Multi-vendor knowledge (Firepower, ASA and Checkpoint), network segmentation using multi-context / multi-zone environment, IPS, encryption (IPSEC, MACsec), VPN, NAC (Cisco ISE), and RSA.
• Monitoring – SolarWinds and Dynatrace.

Benefits:

• Competitive salary and benefits package.
• Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications.
• Opportunity to work with cutting-edge technologies.
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards.
• Annual health check-ups.
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents.

Let’s unleash your full potential at Persistent - persistent.com/careers.

Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.