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Infrastructure Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Persistent Systems
Full Time position
Listed on 2026-02-17
Job specializations:
  • IT/Tech
    Systems Engineer, IT Consultant, IT Project Manager
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

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:
  • 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
  • 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
  • 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
  • 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.
  • 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
  • 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 is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”

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