Mainframe Solutions Architect – Contract
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Job Description
Mainframe Solutions Architect providing independent oversight for legacy Java modernisation and AWS migration programmes. Assessing architecture, risk, cost, and cloud strategy for business-critical applications.
Responsibilities:
- Provide independent architectural oversight, technical assurance, and strategic direction throughout migration of legacy business-critical applications into AWS-hosted solutions
- Assess modernisation and migration approaches for practicality, proven effectiveness, and alignment with long-term architecture objectives
- Review cloud adoption strategies, application designs, and technology selections against operational, security, resilience, compliance, and business requirements
- Identify architectural risks, dependencies, constraints, and design trade-offs, recommending viable alternatives
- Evaluate commercial considerations including software licensing, platform costs, tooling options, and third-party services
- Produce recommendations, architecture assessments, and governance artefacts supporting programme decisions and investment cases
- Analyse legacy application landscapes across hybrid and multi-cloud environments
- Advise on remediation, refactoring, and modernisation strategies for established Java-based platforms
- Engage with technical and executive stakeholders
Requirements:
- Extensive experience in Java software engineering and enterprise application architecture
- Delivery of large-scale legacy modernisation initiatives, including replatforming, refactoring, or cloud migration programmes
- Strong AWS expertise, covering migration planning, architecture design, target-state definition, and cloud service selection
- Experience working with complex legacy technology estates and long-lived application portfolios
- Knowledge of software licensing, commercial modelling, and cost optimisation considerations within transformation programmes
- Ability to challenge assumptions, provide independent architectural guidance, and communicate effectively with senior business and technical stakeholders
- Experience operating within multi-cloud and hybrid-cloud environments
Benefits:
- A competitive salary dependent on experience
- A contributory pension scheme
- Private healthcare
- 25 days annual leave, plus bank holidays
- Opportunity to buy or sell holiday
- Flexible approach to working hours
- Continuous personal development, career path and training
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