Chris Callaghan Email & Phone Number

Landbeach, England, Gb

London, London, Gb

Spearheaded £10M multi-year cloud modernisation programme from business case and board engagement to programme management and delivery. Migrating legacy systems to AWS leveraging rearchitecture migration to cloud-native serverless architectures.Managing a team of ~50 full time employees in software developer, test automation engineer, solutions architect, software architect and AWS site reliability engineer roles. Led the division through a period of rapid growth, recruiting over 20 positions. Skilled at vendor management; procured and manage a co-sourcing partner providing over 30 additional technical roles to support programme and product delivery.Introduced CI/CD pipelines, infrastructure-as-code and test automation accelerating application release cycles 300%. Enabled more frequent enhancements.Drove cultural change through internal DevOps adoption, embedding collaborative learning through online academies and internal centres of excellence.Launched central logging and monitoring platforms with auto-scaling for observability. Improved incident response time and achieved 99.99% application uptime.Business partnership with leaders across the org as DevOps consultant shaping architectures and technical vision..Advised executive leadership on balancing business innovation vs technical debt. Secured £10M investment budget for modernisation. Oversee £2M complex operating technology budget requiring fiscal discipline.Presented to board on emerging technologies and DevOps best practices. Educated and aligned on cloud and Agile. Gained buy-in on vision.Experience in supporting the organisation achieving Cyber Security Essentials certification and CIS framework compliance in software development and public cloud hosting.Championed the introduction of Enterprise Architecture principles and modern technology instructure.Developed IT strategic plans supporting overall organizational objectives. Set DevOps and public cloud strategy for the next 5 years.

London, London, Gb

Managing:Application delivery: o Continuous Integration o Build/deploy pipeline and release management o DevOps o SCRUM/Kanban o Monitoring o Back-ups o Disaster Recovery o Cyber SecurityOffice connectivity, Infrastructure: o In-house data centre o Virtualisation o Firewalls o Windows Server estate

London, London, Gb

London, London, Gb

Accountable for deploying, maintaining and supporting web applications in various languages across multiple hosting platforms. There is a focus on architecting and maintaining fast, reliable and scalable environments to host responsive and secure applications. Liaising with internal stakeholders to understand business requirements and meet demanding criteria and time scales. Monitoring application/server vulnerability and security risks.

Great Cambourne, Cambridge, Gb

Providing technical support and customer support, database administration, application deployment using agile methodology, technical authoring, product development, project management and user training.

London , Gb

Project management, first line support, technical authoring and product/process development.

Driven by a passion for ocean conservation, volunteered as a coral reef research diver in the Sian Ka'an biosphere reserve outside Tulum, Mexico. This enabled hands-on participation in vital field work protecting fragile underwater ecosystems.Joined a research team during a three month expedition to the Mesoamerican Reef, the second largest barrier reef in the world. Received specialized training in visual survey techniques and safe diving certifications to meet research objectives.Conducted over 40 survey dives along the reef at varying locations, depths and times of day. Visually documented coral species, population sizes, bleaching patterns and ocean floor terrain via underwater photography and detailed notes.Contributed key first-hand observations and photographic records that helped assess reef health, fish populations and develop conservation strategies. Data highlighted concerning declines in coral density and diversity around popular tourist sites.Living on site at the remote research base for three months offered invaluable hands-on experience and camaraderie. Loved meeting fellow volunteers united by a shared spirit of adventure and commitment to such a worthwhile cause.