About Persistent: We are a trusted Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world including 14 of the 30 most innovative US companies, 80% of the largest banks in the US and India, and numerous innovators across the healthcare ecosystem. About Position and details: Role: Infrastructure Engineer Location: Harbour Exchange Square, London Mode: Hybrid(2 to 3 days to office) Experience: 6 to 15 years Job Type: Permanent role Key Skills Creation of technical governance documentation, such as Low Level Designs and Creation of security focused technical specifications for Windows environments Secure Configuration Baseline creation Knowledge of Active Directory Certificate Services Knowledge of IIS Knowledge of Active Directory Domain Services Knowledge of Cryptography Windows Server 2019 / 2022 / 2025 Windows 11 Powershell VMware including ESXi / vCentre Strong understanding of designing to meet security principles and compliance Application \ Infrastructure migration skills Desirable Skills Desirable: good knowledge MS SQL Desirable: experience using M365 Security Controls Ensure CLS internal systems are managed to the highest standard by following industry best practice Demonstrate good problem management ownership and prevention of SLA breach under Incident/Problem Management processes Actively contribute to the development of existing and new IT process and procedures to enhance service transition and service operation lifecycle stages Demonstrate self-starter capabilities Experience of working in a network heavily segregated by firewalls Appreciation of networking and the understanding of firewalls rules Understanding of building a product that will result in zero findings on a penetration test Terraform, Ansible Windows running in AWS Leadership Lead and oversee the successful release and transition of new IT services into support, meeting the team’s service acceptance criteria Undertake the role of Technical Lead on internal RTB projects applying both significant communications, organisational and technical skills to achieve successful outcomes. Strong collaboration skills with senior stakeholders, peers and the project management team Through example and behavior, strive to provide peer leadership to other team members ensuring a level of excellence is achieved in delivering the service. Benefits : Competitive salary and benefits package Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications. Opportunity to work with cutting-edge technologies. Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards Annual health check-ups Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents Let’s unleash your full potential at Persistent - persistent.com/careers. “Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”