Senior Active Directory Engineer

1203 Barclays Global Serv. Cent; Bengaluru; On-site; INR 1,400,000 - 2,200,000; Full time

Job summary

1203 Barclays Global Serv. Cent in Bengaluru seeks an experienced Active Directory Senior Engineer to support the delivery of AD infrastructure projects, ensure security, and drive reliability across Windows servers and related services.

You will implement AD design, manage DNS and Group Policy, perform scripting with PowerShell, and coordinate with cross‑functional teams to meet business objectives while maintaining on‑call availability.

Qualifications

• Experience administering Windows Active Directory domains (2012/2016/2019 and latest).
• Strong understanding of AD, DNS, GPO, PKI and PKI infrastructure.
• Knowledge of cloud services (Azure, AWS) and hybrid environments.

Responsibilities

• Administration of Windows Active Directory domains (2012/2016/2019 and latest).
• Installation, configuration and troubleshooting of Windows Active Directory.
• Root cause analysis and incident/problem/change management per ITIL and ServiceNow.

Skills

Active Directory

DNS

Group Policy

Certificate Services (PKI)

Windows Server

Azure

AAD

AWS

DR & BCP

Data centre migrations

Education

Microsoft certifications (AD/PKI)

ITIL certification

Tools

PowerShell

VB scripting

Job description

Purpose of the Role

To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.

Accountabilities

• Build Engineering: Development, delivery, and maintenance of high-quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use; including the identification of the appropriate technologies and solutions to meet business, optimisation, and resourcing requirements.
• Incident Management: Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages; use of data to drive down mean time to resolution.
• Automation: Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines.
• Security: Implementation of a secure configuration and measures to protect infrastructure against cyber‑attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorised access.
• Teamwork: Cross‑functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data driven approach.
• Learning: Stay informed of industry technology trends and innovations, and actively contribute to the organisation's technology communities to foster a culture of technical excellence and growth.

Analyst Expectations

• Perform prescribed activities in a timely manner and to a high standard consistently driving continuous improvement.
• Requires in‑depth technical knowledge and experience in their assigned area of expertise.
• Thorough understanding of the underlying principles and concepts within the area of expertise.
• Lead and supervise a team, guiding and supporting professional development, allocating work requirements and coordinating team resources.
• For leaders: demonstrate the four LEAD behaviours—Listen, Energise, Align, and Develop.
• For individual contributors: develop technical expertise in work area, acting as an advisor where appropriate.
• Will have an impact on the work of related teams within the area.
• Partner with other functions and business areas.
• Takes responsibility for end results of a team’s operational processing and activities.
• Escalate breaches of policies / procedure appropriately.
• Take responsibility for embedding new policies/ procedures adopted due to risk mitigation.
• Advise and influence decision making within own area of expertise.
• Take ownership for managing risk and strengthening controls in relation to the work you own or contribute to.
• Deliver your work and areas of responsibility in line with relevant rules, regulation and codes of conduct.
• Maintain and continually build an understanding of how own sub‑function integrates with function, alongside knowledge of the organisations products, services and processes within the function.
• Demonstrate understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub‑function.
• Make evaluative judgements based on the analysis of factual information, paying attention to detail.
• Resolve problems by identifying and selecting solutions through the application of acquired technical experience and will be guided by precedents.
• Guide and persuade team members and communicate complex / sensitive information.
• Act as contact point for stakeholders outside of the immediate function, while building a network of contacts outside team and external to the organisation.
• All colleagues are expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship.
• Adopt the Barclays Mindset— to Empower, Challenge and Drive.

Role Description – Active Directory Senior Engineer

Responsible for supporting the successful delivery of location strategy projects to plan, budget, agreed quality and governance standards. Spearhead the evolution of the digital landscape, driving innovation and excellence. Harness cutting‑edge technology to revolutionise our digital offerings, ensuring unparalleled customer experiences.

Key Responsibilities

• Administration of Windows Active Directory domains (2012/2016/2019 and latest).
• Installation, configuration and troubleshooting of Windows Active Directory.
• Root cause analysis and problem management; maintain Incident, Problem and Change records as per ITIL standards and ServiceNow processes.
• Windows Server administration, user account management and access rights management.
• DFS administration.
• DNS planning, implementation and troubleshooting of group policy.
• Support, maintain and monitor Active Directory domains.
• Client issue troubleshooting; build and manage domain controllers; apply patches and hardening.
• Maintain checklist document of all Active Directory domains.
• PowerShell and VB scripting.
• Active Directory trust management.
• DELL/HP hardware configuration support.
• Backend support to implementation team.
• Availability for 24/7 support, on‑call during off business hours and weekends.
• Positive team player, excellent leadership skills, good communication.
• Design or implementation of complex projects.
• Active Directory trusts / IPSec Tunnel.
• Work experience in PKI Infrastructure.
• Work with seniors to refine and develop the current AD platform and processes.
• Cloud O365 services.
• Domain/Enterprise Terminal Server licence servers.

Essential Skills

• Active Directory, DNS, Group Policy, Certificate Services (PKI), Windows Hardware, Azure, AAD, AWS, DR & BCP, Data centre migrations.

Desired Skills

• Change management.
• Incident management & Problem management.
• Root cause analysis and service improvement.

Additional Requirements

• Microsoft technology certifications, especially on Server Side—Active Directory/PKI; ITIL certification.
• Must be able to support 24/7 and on call.
• Good teamwork and communication.

Location

Bengaluru.