Domain Architect

Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders including Microsoft, AWS, Oracle, Red Hat, Out Systems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.

We’re an award-winning employer reflecting how our employees are at the very heart of what we do:

• 10+ years as a Great Place to Work in Ireland & UK
• Best Workplace for Women in the UK & Ireland by GPTW
• Best Workplace for Wellbeing in the UK by GPTW

We’re a core values core values driven company, we hire people who share our values, and we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you.

Purpose of role Drive AWS infrastructure and application migration waves from initial design through to execution, ensuring technical solutions are robust and aligned with programme objectives. Discovery work is a critical part of this role, so candidates must demonstrate strong experience here.

Key responsibilities Lead the end to end design of AWS migration solutions, covering both infrastructure and application layers. Run discovery exercises using tools such as AWS Application Discovery Service or AWS Migration Hub to assess current state environments, dependencies, and risks ahead of migration. Translate discovery findings into AWS migration designs and wave plans, selecting appropriate migration strategies (rehost, replatform, refactor) for each workload.

Design target state architectures on AWS, covering compute, storage, networking, and security. Work alongside delivery and project managers to align technical approach with programme timelines. Support execution of migration waves using tools such as AWS MGN, DMS, or Application Migration Service, resolving technical issues as they arise. Produce architecture documentation and design artefacts to support governance and sign off. Liaise with security, change, and transition teams to ensure migration designs meet organisational and AWS Well Architected requirements.

Required experience Proven track record driving AWS migration waves from design through execution. Strong AWS infrastructure experience, including VPC design, EC2, networking, and storage services. Strong application experience, including understanding of application dependencies and integration points within AWS environments. Hands on discovery experience is essential, this is not optional for the role. Experience working across multiple migration waves in a programme setting.

Working knowledge of AWS migration tooling (MGN, DMS, Application Discovery Service, Migration Hub).

Desirable experience AWS certification (Solutions Architect Associate or Professional preferred). Experience working within large scale transformation or migration programmes. Familiarity with AWS Well Architected Framework. Familiarity with governance frameworks and change processes (RFCs, RAID logs).

Skills and attributes Strong analytical and problem solving skills. Ability to communicate technical detail clearly to both technical and non technical stakeholders. Comfortable working under pressure across multiple concurrent work streams. Strong documentation skills.

At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability.

• Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits
• Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme
• Flexible/remote working, Version 1 is tremendously understanding of life events and people’s individual circumstances and offer flexibility to help achieve a healthy work life balance
• Financial…