About Persistent:
We are an AI-led, platform-driven 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 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.
Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q-o-Q and 18.8% Y-o-Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been named the fastest-growing Indian IT services brand in the “Brand Finance India 100” 2025 report. We were also cited as a Leader in the ISG Provider Lens™ 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025.
We are fast growing company (with $1 billion dollars in revenue). Plan to grow at Krakow, Poland. If you’re interested in working on bleeding Data and AI technologies, join us.
Read more - https://www.persistent.com/
About Position and details:
* Role: Infrastructure Engineer
* Location: Harbour Exchange Square, London
* Mode: Hybrid
* Experience: 10 to 15 years
* Job Type: Permanent role
Summary:
Responsible for the specific technical design, build and deployment of both new solutions and enhancements to existing solutions. The candidate will have the ability to collaborate across IT to ensure the smooth transition of new services deployed from project into production.
Provide third-level support, where required, to assist the Platform Operations teams with the investigation, escalation, and resolution of technical Infrastructure issues that the Operations team cannot resolve. Proficiency in working with third parties, where relevant, to assist in their deployment of new services.
Experience
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 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
Qualifications / certifications
Desired
* Bachelor’s degree or equivalent working knowledge and experience
* Strong Understanding and appreciation of working on business-critical production infrastructure, applications and database services
* AWS/Citrix/Cisco/Microsoft/VMware certification
* Experience of working in a highly regulated environment
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.”