Senior Specialist, Cybersecurity Engineering

MSD Malaysia; Hyderabad; Hybrid; INR 1,500,000 - 2,300,000; Full time

Job summary

Merck & Co., Inc. Hyderabad is seeking a Cybersecurity Senior Engineer to lead a global Directory Services team. You will manage Active Directory forests and Entra ID, implement security services like PIM and Password Protection, and ensure core services such as DNS, PKI, and GPOs are secure and robust.

You will design secure, large-scale solutions, automate with PowerShell, and collaborate across geographies to protect digital assets while supporting IT operations and regulatory compliance.

Qualifications

• Primary skills focus on Active Directory, Entra ID, PKI and DNS with strong PowerShell scripting ability.
• Experience with cloud identity and security concepts including Entra ID, SSO/SCIM, RBAC, and directory synchronization.
• Knowledge of Windows server and AD DS, DNS, PKI, GPOs, and security hardening practices.

Responsibilities

• Manage multiple AD forests/domains in enterprise environments.
• Implement Entra ID security services (PIM, Password Protection, Identity protection).
• Configure and troubleshoot DNS, PKI, GPOs, and trust relationships.
• Automate tasks using PowerShell at scale and integrate with cloud services.
• Collaborate across teams to design secure, scalable enterprise solutions.

Skills

Microsoft Active Directory

Entra ID

PKI

DNS

Powershell Scripting

Terraform

GXP

RedHat

Oracle products

Quest Active Roles

Education

MSc Degree or BSc Degree or equivalent

Tools

Quest Active Roles

Job description

Job Description The Opportunity Based in Hyderabad, join a global healthcare biopharma company and be part of a 130- year legacy of success backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare. Be part of an organisation driven by digital technology and data-backed approaches that support a diversified portfolio of prescription medicines, vaccines, and animal health products. Drive innovation and execution excellence. Be a part of a team with passion for using data, analytics, and insights to drive decision-making, and which creates custom software, allowing us to tackle some of the world's greatest health threats. Our Technology Centers focus on creating a space where teams can come together to deliver business solutions that save and improve lives. An integral part of our company’s IT operating model, Tech Centers are globally distributed locations where each IT division has employees to enable our digital transformation journey and drive business outcomes. These locations, in addition to the other sites, are essential to supporting our business and strategy. A focused group of leaders in each Tech Center helps to ensure we can manage and improve each location, from investing in growth, success, and well-being of our people, to making sure colleagues from each IT division feel a sense of belonging to managing critical emergencies. And together, we must leverage the strength of our team to collaborate globally to optimize connections and share best practices across the Tech Centers.

Role Overview

As a Cybersecurity Senior engineer working as part of a global team to support a fast-paced environment. Ensure conformance to established system architecture, security, regulations, standards and practices, and participate\drive their evolvement\creation and upkeep. In addition to technical expertise must be proficient in managing projects through to completion, innovative, security focused, self-motivated and driven. The candidate will be a member of the global Tier 3 Directory Services team which includes engineering along with operational responsibilities across all supported directory environments and core services within the organization. Good communication skills, documentation abilities and compliance experience are required. Comfortable working in a team environment and able to work collaboratively with other areas in implementing solutions that secure and benefit the company. Additional technical requirements follow:

What will you do in this role:

• Tier 3 engineer supporting multiple Active Directory forests\domains with various implementations across enterprise. Experience securing, hardening and implementing directory tiered concepts is required.
• Advanced knowledge of cloud capabilities\concepts including: o Entra ID, SSO\SCIM, enterprise applications, RBAC and cloud security, Directory Synchronization (Entra ID Connect \ Cloud sync), Microsoft O365
• AWS Identity concepts, VPCs, etc.
• Practical experience implementing Entra ID security services (PIM, Password Protection, CAP, Identity protection etc.)
• Excellent understanding and technical knowledge of core services including DNS, WINS, PKI, GPOs, IPSEC, replication, trusts, etc.
• Authentication concepts including Kerberos
  TLM and LDAP protocols.
• Compliance and IT Security related best practices and processes
• Plan, configure, troubleshoot and administer Microsoft AD DS and underlying Operating System(s).
• PowerShell scripting experience in a large-scale environment for automation purposes and cloud connectivity.
• Experience with Quest support tools specifically Active Roles.
• Familiarity with old and modern Microsoft operating systems, server class hardware and VMWare \ HyperV technologies.

What should you have:

• Primary skill: Microsoft Active Directory, Entra ID, PKI, DNS, Powershell Scripting Secondary skill: Terraform, GXP, RedHat\Oracle products MSc Degree or BSc Degree or equivalent with relevant experience in Computer Science, Computer Science Engineering, or equivalent experience.
• 7+ years of experience supporting large scale enterprise Active Directory \ Entra ID environments and related services.
• Managing permissions and all other aspects of AD DS \ Entra ID.
• Ability to design secured large enterprise scale solutions and drive their implementation.
• Ability to provide support for Real-time events providing moderated services.
• Ability to acquire new skills in a diverse environment.
• Fluent in English, in both verbal and written communication.
• Proficiency in security tools in the areas of cloud, application, endpoint, network or identity, vulnerability scanners, and malware analysis platforms.

Our technology teams operate as business partners, proposing ideas and innovative solutions that enable new organizational capabilities. We collaborate internationally to deliver services and solutions that help everyone be more productive and enable innovation.

Required Skills:

• Microsoft Active Directory Management, Microsoft Entra ID, Power Shell Scripting, Public Key Infrastructure

Preferred Skills:

• RedHat, Terraform

Employee Status: Regular Relocation: Domestic VISA Sponsorship: No Travel Requirements: No Travel Required Flexible Work Arrangements: Hybrid Shift: Not Indicated Valid Driving License: No Hazardous Material(s): n/a

Job Posting End Date: 10/3/2026 *A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

Search Firm Representatives Please Read Carefully Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Our company is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where we have codified our legacy for over a century. Our success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.