Mainframe Solutions Architect - Contract

Leighton

52m ago

Worldwide Remote

Contract

The Role

This opportunity is ideally suited to a senior Java/Mainframe Solutions Architect with deep experience in large-scale application transformation, legacy estate modernisation, and cloud migration programmes. Candidates should have a proven track record of guiding organisations through complex transitions from traditional platforms to modern cloud-native environments.

The assignment focuses on providing independent architectural oversight, technical assurance, and strategic direction throughout the migration of legacy business-critical applications into AWS-hosted solutions. The successful consultant will be expected to draw upon previous experience delivering comparable transformation initiatives and confidently engage with both technical and executive stakeholders.
Responsibilities:

Assessing proposed modernisation and migration approaches to ensure they are practical, proven, and aligned with long-term architecture objectives.
Reviewing cloud adoption strategies, application designs, and technology selections to validate suitability against operational, security, resilience, compliance, and business requirements.
Highlighting architectural risks, dependencies, constraints, and design trade-offs, while recommending viable alternative approaches where appropriate.
Evaluating commercial considerations associated with migration programmes, including software licensing, platform costs, tooling options, and third-party services.
Producing recommendations, architecture assessments, and governance artefacts to support programme decision-making and investment cases.
Analysing legacy application landscapes operating across hybrid and multi-cloud environments.
Advising on application remediation, refactoring, and modernisation strategies for established Java-based platforms.

Required Skills

javaaws

Required Languages

🇬🇧 English