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Callum Walker is an experienced IT professional with a strong background in infrastructure and operations engineering. Currently serving as a Tech Ops Analyst at Mishcon de Reya LLP and as a Senior Infrastructure Operations Engineer at Vistry Group, Callum has previously held senior roles at Countryside and Arden & GEM CSU, among others. With a history of contracting for notable organizations such as Arriva Group and Peabody, Callum has contributed to significant projects including Office 365 migrations and infrastructure modernization efforts. Callum's technical expertise encompasses cloud support, system migration, and infrastructure operations across various sectors.