Senior Manager, Network & Security Solutions Architect – Cloud & Edge, Engineering, AI & Data, Technology & Transformation

Connect to your Industry

Deloitte's Engineering practice is at the forefront of transforming businesses by bringing together cutting-edge tech programme delivery, quality assurance, and testing expertise. We empower clients to modernise their core business through our deep capabilities in application and infrastructure engineering, cloud strategy, transformation, and migration. Practitioners within this team continuously advance their expertise to deliver robust, innovative solutions, from initial strategy to implementation and optimization.

Deloitte’s Cloud Networking practice helps organisations transform how they connect, secure, and optimise their digital infrastructure in an increasingly complex and interconnected world. We work with clients across industries to define and deliver large-scale network transformation programmes, combining deep technical expertise with leading on-premise and cloud networking technologies to create resilient, secure, and high-performing digital foundations.

We partner with clients to design, build, and deliver modern hybrid cloud networking solutions, leading the end-to-end journey from solution architecture through implementation, integration, and continuous optimisation. Our work spans hyperscaler cloud networking, SASE integration, Zero Trust architecture, cloud on-ramp and transit networking, on-premise LAN/WAN, OT/IoT connectivity and network automation/orchestration and critical integration points. We are passionate about hands-on solution design and delivery, working directly with clients, engineering teams, and technology partners to build scalable, secure, resilient, and high-performing network infrastructures that drive tangible operational efficiency and business value.

Leveraging market-leading platforms including Cisco, HPE, Arista, Palo Alto, Zscaler, Fortinet and other leading network and security infrastructure technologies, we help organisations design and deliver modern hybrid cloud network solutions that enhance security, improve performance, ensure scalability, and unlock greater value through cloud-native architectures, automation, analytics, and Zero Trust principles.

As part of our team, you will work on complex and high-profile network transformation programmes, helping clients design, implement, and optimise modern hybrid cloud network solutions. You will collaborate with business stakeholders, delivery teams, and technology partners to define network architectures, lead technical designs, and support successful implementation across on-premise and cloud-based network platforms. This is an opportunity to work with some of the industry's leading technologies and providers, delivering innovative networking solutions that create measurable value for clients and their operations.

Connect to your career at Deloitte    

Deloitte drives progress. Using our vast range of expertise, we help our clients' become leaders wherever they choose to compete. To do this, we invest in outstanding people. We build teams of future thinkers, with diverse talents and backgrounds, and empower them all to reach for and achieve more.

What brings us all together at Deloitte? It’s how we approach the thousands of decisions we make every day. How we behave, our beliefs and our attitudes. In other words: our values. Whatever we do, wherever we are in the world, we lead the way, serve with integrity, take care of each other, foster inclusion, and collaborate for measurable impact. 

These five shared values lead every decision we make and action we take, guiding us to deliver impact how and where it matters most.

Connect to your opportunity

As a Cloud Network Architect within Deloitte's Engineering practice, you will play a key role in designing and delivering next-generation networking solutions for some of the world's leading organisations. Working across complex transformation programmes, you will help clients modernise their network infrastructure through a blend of on-premise and hyperscaler cloud networking, SASE integration, Zero Trust adoption, and advanced automation. You will work closely with business stakeholders, engineering teams, and technology partners to translate business and technical requirements into scalable, secure, and resilient network architectures, taking ownership from solution design through implementation and optimisation.

As a Cloud Network Architect, you will be responsible for:

• Design, implement, and manage comprehensive network architectures that seamlessly integrate on-premise infrastructure with hyperscaler cloud environments.
• Lead the strategic adoption and technical implementation of Secure Access Service Edge (SASE) and Zero Trust network principles to enhance security posture and access control.
• Develop and optimise cloud on-ramp and transit networking solutions to ensure efficient, secure, and scalable connectivity to and within cloud platforms.
• Oversee the design, deployment, and ongoing management of robust on-premise Local Area Network (LAN) and Wide Area Network (WAN) infrastructure.
• Identify, engineer, and maintain critical network integration points to support business-critical applications and services across hybrid environments.
• Provide expert support and guidance for Operational Technology (OT) and Internet of Things (IoT) networking, ensuring secure and reliable connectivity for industrial and connected devices.
• Support business development activities through solution shaping, proposal responses, RFPs, thought leadership, and the creation of demonstration environments.
• Mentor and coach delivery team members while contributing to the growth of Deloitte's Networking practice through capability development, reusable assets, and industry insights.

Connect to your skills and professional experience

The following are the core skills and experience required to be successful in this role:

• Hands-on experience designing and delivering enterprise-scale hybrid cloud networking solutions and architectures.
• Strong understanding of network operations, including network segmentation, routing protocols, firewall policies, SASE, Zero Trust, network monitoring, performance optimisation, and security best practices.
• Experience translating business requirements into scalable, secure, and resilient network architectures.
• Proven ability to lead client workshops, stakeholder discussions, and technical design sessions across business and technology teams.
• Experience working within complex network transformation programmes, managing delivery, risks, dependencies, and client expectations.
• Strong consulting and communication skills, with the ability to build trusted relationships and present solutions to both technical and executive audiences.
• Experience developing business cases, vendor assessments, network technology selection activities, and hybrid cloud network migration programmes.
• Experience supporting proposals, RFP responses, solution shaping, and business development activities.
• Experience designing solutions across cloud, hybrid, and on-premises network environments, including migration and modernisation programmes transitioning from legacy network infrastructures to modern hybrid cloud and cloud-native networking solutions.
• 8+ years' experience designing, architecting and delivering enterprise-scale hybrid cloud network solutions across multiple leading networking technologies and platforms.

The following are the technical skills:

• Hands-on architecture and implementation experience with multiple leading hybrid cloud networking platforms and vendors to deliver end-to-end integrated solutions, which may include hyperscalers (AWS, GCP, Azure, OCI), switching/wireless (e.g. Cisco, HPE), firewalling (e.g. Palo Alto, Fortinet, Check Point), SASE platforms (e.g. Zscaler, Palo Alto), or other enterprise-grade networking technologies.
• Strong knowledge of core networking technologies including routing protocols (e.g., BGP, OSPF), switching, firewalls, load balancing, VPNs (IPsec, SSL), DNS, DHCP, network segmentation and network security controls/principles.
• Experience designing integrations for network and security services across various enterprise systems, security platforms (e.g. SIEM, IAM), cloud services, and operational tools.
• Extensive experience with cloud platforms such as AWS, Microsoft Azure, or Google Cloud, specifically focusing on cloud networking architecture, security, connectivity, and operational considerations.
• Deep knowledge of network protocols, topologies, and architectures, including TCP/IP, Ethernet, MPLS, Software-Defined Networking (SDN), Network Function Virtualisation (NFV), and network automation frameworks.
• Knowledge of modern integration patterns for network automation and orchestration, including APIs, Infrastructure as Code (IaC) tools (e.g., Terraform, Ansible), and event-driven architectures.

The following are the desirable skills:

• Design experience applying relevant industry and/or sector specific design standards and frameworks (e.g. NIS 2, CAF, IEC 62443) to demonstrate delivery of compliant and/or good practice solutions, including exception handling and application of relevant mitigations and/or compensatory controls.
• Relevant cloud, networking and/or security certifications (e.g. AWS Certified Advanced Networking, Google Cloud Professional Network Engineer, Cisco CCIE/CCNP, Palo Alto Networks PCNSE, Zscaler ZCCA/ZCCP)
• Experience with Infrastructure as Code (IaC) and DevOps practices for network automation, including one or more tools such as Terraform, Ansible, Python scripting, AWS CloudFormation, Azure Resource Manager (ARM), and CI/CD pipelines to support automated deployment and management of network infrastructure.
• Experience with AIOps platforms, network analytics, machine learning for anomaly detection, or advanced security analytics in a networking context.
• Experience integrating network solutions with IT Service Management (ITSM) platforms, Security Information and Event Management (SIEM) systems, or cloud management platforms.

Connect to your business - Technology and Transformation

Distinctive thinking, deep expertise, innovation and collaborative working. That’s what connects us. That’s what makes us Deloitte. If you want to help solve some of the biggest tech and transformational challenges around, join us. Together, we’ll make an impact that matters.

Engineering, AI and Data

We lead transformation at the heart of our clients; re-engineering the core of our clients’ organisations, helping to unleash growth, and creating better futures for their customers, citizens and employees.

Personal independence

Regulation and controls are standard practice in our industry and Deloitte is no exception. These controls provide important legal protection for both you and the firm. We are subject to a number of audit regulations, one of which requires that certain colleagues abide by specific personal independence constraints (e.g., in relation to any financial interests and employment relationships). This can mean that you and your "Immediate Family Members" are not permitted to hold certain financial interests (shares, funds, bonds etc.) with audit clients of the firm, and also prohibitions on certain employment relationships (e.g., you are not permitted to hold a secondary employment role with SEC audit clients of the firm whilst being employed by the firm).

The recruitment team will provide further detail as you progress through the recruitment process, or you can contact the Independence team upon request.

Connect with your colleagues

“What attracted me to Deloitte were the endless opportunities and the collective experience of other like-minded individuals. Deloitte’s clients include many of the world’s largest organisations; I wanted to be part of a team that made a difference that I could be proud of.” - Dan, Consulting

"I get to work on projects that help clients in a sector I feel truly passionate about.” - Rhiannon, Consulting

“Everyone always says, “it’s the people,” and that’s true. Working for a brand you feel proud of feels pretty good too. And you don’t have any stress about fitting into a particular stereotype, because there are so many different types of people in Deloitte Digital.” - Gillian, Consulting

Our hybrid working policy

You’ll be based in London with hybrid working.

At Deloitte we understand the importance of balancing your career alongside your home life. That’s why we’ll support you to work flexibly through our hybrid working policy. Depending on the requirements of your role, you’ll have the opportunity to work in your local office, virtual collaboration spaces, client sites and remotely. You’ll get the chance to meet face to face when needed, while you collaborate and learn from colleagues, share your experiences, and build the relationships that will fuel your career and prioritise your wellbeing. Please check with your recruiter for the specific working requirements that may apply for your role.

Connect to your return to work opportunity

Are you looking to return to the workplace after an extended career break?

For this role we can offer coaching and support designed for returners to refresh your knowledge and skills and help your transition back into the workplace after a career break of two years or more. If this is relevant for you, just let your recruiter know when you make your application.

Our commitment to you

Making an impact is more than just what we do: it’s why we’re here. So we work hard to create an environment where you can experience a purpose you believe in, the freedom to be you, and the capacity to go further than ever before.

We want you. The true you. Your own strengths, perspective, and personality. So we’re nurturing a culture where everyone belongs, feels supported and heard, and is empowered to make a valuable, personal contribution. You can be sure we’ll take your wellbeing seriously, too. Because it’s only when you’re comfortable and at your best that you can make the kind of impact you, and we, live for.

Your expertise is our capability, so we’ll make sure it never stops growing. Whether it’s from the complex work you do, or the people you collaborate with, you’ll learn every day. Through world-class development, you’ll gain invaluable technical and personal skills. Whatever your level, you’ll learn how to lead.

Connect to your next step

A career at Deloitte is an opportunity to develop in any direction you choose. Join us and you’ll experience a purpose you can believe in and an impact you can see. You’ll be free to bring your true self to work every day. And you’ll never stop growing, whatever your level.

Discover more reasons to connect with us, our people and purpose-driven culture at deloitte.co.uk/careers

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