Senior Security Engineer

London Stock Exchange Group; Bengaluru; On-site; INR 1,400,000 - 2,400,000; Full time

Job summary

London Stock Exchange Group (LSEG) in Bengaluru seeks a Senior Associate to safeguard AD access and privileged accounts. You will design solutions, solve complex issues, script in PowerShell, and document implementations. The role requires strong communication across staff levels and a security-centric mindset.

You will work within an enterprise-grade environment with rigorous change control, liaising with service line owners and customers to ensure robust AD governance.

Qualifications

• Broad skillset including design, problem solving, PowerShell scripting, and documentation writing.
• Excellent communicator across all seniority levels.
• Background in Security.
• Minimum 7 years of Active Directory knowledge in an enterprise.
• Experience with AD user and group management.
• Experience liaising with service line owners and customers.
• Strong change control practices in an enterprise environment.

Responsibilities

• Prevent and resolve issues relating to accounts and groups for access control.
• Act as gatekeepers to the AD estate and privileged accounts.
• Deliver clear technical documentation and hand-off design work.
• Collaborate with service line owners and customers.
• Work under pressure to meet deadlines.

Skills

Good communicator

ServiceNow

Change management

AD knowledge

AD user/group management

Stakeholder liaison

Change control

Windows Server

GPO

Troubleshooting

Self-starter

Detail-oriented

Team player

Learn quickly

Problem solving

Technical documentation

Deadline-driven

Structured reporting

Tools

ServiceNow

PowerShell

Job description

Team responsibilities

The team proactively prevents and resolves all issues relating to accounts and groups used to assign access throughout the organisation. They act as gatekeepers to the AD estate and its privileged accounts and groups ensuring that all controls are in place.

We are looking for someone with a broad skillset including solutions design, problem solving and resolution, PowerShell scripting, and documentation writing skills. You should be an excellent communicator and can deal with all levels of seniority, with a background in Security.

• Good communicator
• Familiar with Service Now and the change management processes
• Very good Active Directory Knowledge (7 years minimum) in an Enterprise environment - Hierarchy / management group design, deployment, configuration and BAU support.
• Experience with all aspects of AD user and group Management
• Must be excellent at liaising with Service line owners and customers
• Experience of working in an Enterprise environment with strong change control practices
• A strong understanding of Windows Server Technologies e.g. Service accounts and policies restricting their use through Group membership and GPO
• Excellent investigation and troubleshooting skills of complex issues and ability to locate application owners and liaise effectively with them.
• Motivated self-starter who can work independently as well as part of a team.
• High level of accuracy and attention to detail.
• Able to take direction from others when needed and not afraid to ask for help.
• Ability to learn new concepts and products with ease.
• Ability to think quickly and decisively and look for alternative solutions in challenging situations.
• Ability to produce clear and accurate technical documentation and train/hand-off design and implementation work.
• Ability to work under pressure to meet challenging deadlines.
• Ability to report in a formal and structured method.

Career Stage: Senior Associate

Diversity & Inclusion

People are at the heart of what we do and drive the success of our business. Our colleagues thrive personally and professionally through our shared values of Integrity, Partnership, Innovation and Excellence are at the core of our culture. We embrace diversity and actively seek to attract people with unique backgrounds and perspectives. We are always looking at ways to become more agile, so we meet the needs of our We're proud to have been recognised as a Great Place to Work in India '25 Career Stage: Senior Associate London Stock Exchange Group (LSEG) Information: Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

LSEG offers tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it's used for, and how it's obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across Europe, the Middle East, Africa, North America, Latin America and Asia Pacific. Find out more Get to know some of our people who are pushing the boundaries of technology, finance and more around the world.