Role description
Associate III - Cloud Infrastructure Services
Who we are:
At UST, we help the world’s best organizations grow and succeed through transformation. Bringing together the right talent, tools, and ideas, we work with our client to co-create lasting change. Together, with over 30,000 employees in 25 countries, we build for boundless impact—touching billions of lives in the process. Visit us at .
The Opportunity:
- Experience Level: 5+ years of relevant experience in Active Directory and Public Key Infrastructure (PKI) environments
- Manage and maintain Active Directory Domain Controllers with strong understanding of Forest, Domains, and Trust relationships
- Perform Domain Controller promotion, demotion, and migration activities
- Troubleshoot Active Directory authentication issues (Kerberos / NTLM)
- Manage and troubleshoot Group Policy (creation, configuration, and application issues)
- Handle AD replication, Sites, and Site Links configuration and troubleshooting
- Manage and maintain FSMO roles
- Perform DNS management, including records, zones, and troubleshooting
- Support LAPS password retrieval and troubleshooting
- Handle LDAP / LDAPS connectivity issues with applications
- Design and manage OU structure and delegation models
- Optimize Group Policy architecture and SYSVOL management
- Perform SPN creation and delegation configurations
- Review, approve, and troubleshoot Microsoft security patching via WSUS
- Manage AD replication topology, performance, and domain controller health
- Perform incident handling, service requests, and escalations within SLA
- Lead incident investigations and Root Cause Analysis (RCA)
- Conduct routine AD health checks and reporting
- Analyze authentication logs using SIEM tools (e.g., Chronicle)
- Support security audits and compliance requirements
- Manage Active Directory Disaster Recovery (DR) setup and annual recovery testing
- Perform AD backup and restore activities
- Troubleshoot account lockout issues
- Perform Active Directory schema extension and upgrades
What are we Looking for:
Maintain and upgrade PKI infrastructure components to ensure high availability and business continuity
- Design, deploy, and manage enterprise PKI solutions and cryptographic services
- Ensure PKI systems comply with internal security standards and industry best practices
- Configure PKI systems, develop test plans, and maintain technical documentation
- Collaborate with stakeholders, project teams, and leadership on security initiatives
- Develop and improve PKI standards, processes, and best practices
- Stay updated with PKI technologies, security trends, and emerging threats
- Represent PKI engineering in cross-functional projects and enforce security compliance
- Manage CRL and OCSP (certificate revocation mechanisms)
- Ensure high availability and performance of CRL distribution points and OCSP responders
Active Directory Expertise
Active Directory Domain Services (AD DS)
Forest, Domains, Trusts, and FSMO roles
- DNS architecture (zones, records, troubleshooting)
- Group Policy (GPO) management and troubleshooting
- AD replication, Sites and Services
- Strong hands-on experience with Public Key Infrastructure (PKI)
- Experience with ADCS, Sectigo, and KeyFactor
- Code signing and cryptographic services
- HSM technologies (SafeNet, nCipher)
- PowerShell scripting and REST APIs
CRL and OCSP architecture and troubleshooting
What we believe:
We’re proud to embrace the same values that have shaped UST since the beginning. Since day one, we’ve been building enduring relationships and a culture of integrity. And today, it's those same values that are inspiring us to encourage innovation from everyone to champion diversity and inclusion and to place people at the centre of everything we do.
Humility:
We will listen, learn, be empathetic and help selflessly in our interactions with everyone.
Humanity:
Through business, we will better the lives of those less fortunate than ourselves.
Integrity:
We honour our commitments and act with responsibility in all our relationships.
Equal Employment Opportunity Statement
UST is an Equal Opportunity Employer. We believe that no one should be discriminated against because of their differences, such as age, disability, ethnicity, gender, gender identity and expression, religion, or sexual orientation.
All employment decisions shall be made without regard to age, race, creed, colour, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.
UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.
- To support and promote the values of UST.
- Comply with all Company policies and procedures
Skills
active directory,access control,backup and recovery,cloud infrastructure,
About UST
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.
