Technical Architect

Astuco Ltd; United Kingdom; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Astuco Ltd is seeking an experienced Technical Architect to translate complex requirements into secure, scalable architectures. You will guide engineers, build prototypes, and drive proof‑of‑concepts to ensure robust solutions aligned with client goals.

The role requires deep infrastructure knowledge, strong communication of architectural decisions, and the ability to lead cross‑functional teams in a fast‑moving environment.

Qualifications

• Extensive experience designing enterprise-scale architectures.
• Strong background across Windows, Linux and cloud platforms.
• Hands-on VMware expertise and modern virtualization practices.
• Ability to lead, mentor and communicate with stakeholders.

Responsibilities

• Design end-to-end architectures across cloud, hybrid, and on‑prem environments.
• Collaborate with other architects to meet functional and non‑functional needs.
• Provide technical leadership and mentor engineers and technicians.
• Define standards, roadmaps, and best practices for delivery teams.
• Support the full IT lifecycle including planning, deployment, and ops.
• Create prototypes, demos, and PoCs to validate approaches.
• Participate in estimation, planning, and risk management.
• Produce high‑level and low‑level designs for coherence and quality.
• Identify gaps and recommend improvements aligned with Agile processes.
• Stay current with emerging technologies and document technical decisions.

Skills

Technical leadership

Architectural design

Security mindset

Tools

VMware vSphere/vSAN/NSX

Windows Server & AD

Linux administration

Kubernetes

CI/CD (Jenkins, GitLab)

Job description

About the role

Astuco is looking for an experienced Technical Architect who excels at turning complex requirements into secure, scalable, and high-performing technical solutions. You'll work closely with a collaborative team, combining strategic oversight with hands‑on involvement to design architectures that meet both business and technical needs. You'll have the freedom to innovate, build prototypes, develop proof‑of‑concepts, and guide engineers, ensuring that every solution is robust, efficient, and aligned with our clients' objectives. This role requires both a deep technical understanding of infrastructure and systems, and the ability to communicate architectural decisions clearly to stakeholders.

Responsibilities

• Design, develop, and oversee the implementation of end‑to‑end technical architectures across cloud, hybrid, and on‑premise environments.
• Collaborate with Application and Service Architects to ensure functional and non‑functional requirements are met.
• Provide technical leadership and mentorship to engineers and support technicians.
• Define and maintain architectural standards, best practices, and technical roadmaps to guide delivery teams.
• Support the full IT infrastructure lifecycle (planning, design, deployment, monitoring, ongoing operational management).
• Create prototypes, demos, and proof‑of‑concepts to validate technical approaches.
• Participate in estimation, planning, and risk management to deliver projects on time and within quality standards.
• Produce and review high‑and low‑level designs for coherence, technical quality and continuous improvement.
• Identify capability gaps in existing architectures and recommend enhancements aligned with Agile and continuous‑improvement methodologies.
• Stay current with emerging technologies and industry trends.
• Create clear, concise technical documentation.

Candidate Requirements

• Proven experience as a Technical Architect / Private Cloud Architect with significant enterprise infrastructure design and delivery experience.
• Strong experience delivering enterprise‑scale solutions across Windows, Linux and cloud.
• Hands‑on VMware expertise (vSphere, vSAN, NSX, Aria Suite); VMware VCP or equivalent preferred.
• Deep Windows platform services knowledge (Active Directory, DNS, Group Policy, PKI, ADFS, WSUS).
• Experience/understanding of containerisation, identity management, lifecycle management.
• Track record designing/implementing scalable, secure, highly available systems (greenfield builds and application upgrades).
• Strong understanding of IaaS, PaaS, DevSecOps, CI/CD pipelines and automation/orchestration tooling.
• Experience producing HLD/LLD, solution architecture documentation and operational runbooks.
• Strong networking, load balancing and SDN knowledge.
• Agile/Scrum experience with DevSecOps tools (Jira, Confluence, Bitbucket, Git).
• Excellent problem‑solving, analytical and troubleshooting skills.
• Excellent written and verbal communication.
• Familiarity with Zero Trust and CIS/NCSC hardening.