Priyanka Gahilot
Utrecht
Summary
Dynamic IT professional with nearly a decade of experience in supporting, managing, and building Windows Server infrastructure within domain environments. Expertise includes Active Directory, disaster recovery, PKI, key management, digital signatures, encryption techniques, and cryptographic protocols tailored for enterprise settings. Proven track record in developing and executing comprehensive cryptographic strategies and security frameworks that consistently enhance organizational security. Recognized for strong problem-solving abilities and fostering long-term client relationships built on trust and confidence. Excels in team collaboration and independent decision-making to drive innovative, scalable solutions that address the complex needs of modern businesses.
Overview
11
11
years of professional experience
1
1
Certification
Work History
PKI Engineer
Nomios
08.2025 - Current
- PKI-CLM Infrastructure Management: Oversee and ensure high availability and performance of these infrastructures for clients.
- Security Management: Maintain and enhance security management related to the exchange and storage of public keys and certificates.
- Monitoring and Maintenance: Continuously monitor PKI-CLM systems and their security to quickly detect and resolve issues.
- Incident Response: Resolve incidents by conducting analyses and implementing corrective measures to prevent recurrence.
SYSTEM MANAGER
Worldline
01.2021 - Current
- Led the design and deployment of a comprehensive PKI 3-tier architecture, including configuring auto-enrollment processes to improve security and operational efficiency
- Managed Microsoft PKI infrastructure and EJBCA systems, overseeing certificate templates, OCSP configuration, CRL management, and automation of certificate lifecycle processes
- Developed cryptographic policies, standards, and baselines to ensure secure encryption, key management, and compliance with regulatory requirements
- Led multiple enterprise-level Active Directory projects, including domain migrations, trust relationships, GPO consolidation, and access delegation across multi-forest environments
- Designed and implemented a disaster recovery plan for critical domain and infrastructure services, incorporating offsite replication and automated backup validation
- Delivered training sessions and awareness programs to promote understanding of cryptographic policies and best practices among technical and non-technical teams
- Monitored emerging cryptographic trends, including quantum-safe cryptography, and assessed their potential impact on organizational security strategies
- Provided expert guidance on secure cryptographic implementation for applications and cloud environments, including AWS KMS and Azure Key Vault, to enhance data protection measures
- Served as track lead for a cloud transformation program, coordinating efforts to optimize cloud infrastructure and strengthen security posture
- Managed efforts to achieve PCI compliance for servers and domains, ensuring adherence to industry security standards
- Contributed to continuous infrastructure improvement initiatives by identifying opportunities to enhance security and operational resilience
- Maintained and troubleshoot Active Directory infrastructure to ensure stability, security, and high availability of authentication services
- Participated as a key member of an Agile team responsible for infrastructure development, enhancement, and maintenance projects
- Mentored new team members to facilitate knowledge transfer and foster a collaborative team environment while continuously learning from colleagues
LEAD CONSULTANT
ITC
09.2020 - 12.2021
- Led a Center of Excellence team focused on managing escalations and coordinating with cross-functional teams to ensure rapid response and exceed customer expectations
- Demonstrated strong leadership by effectively managing difficult stakeholders and fostering collaborative relationships
- Provided coaching and mentorship to team members to enhance technical skills and support professional development
- Supported multiple data centers by developing and maintaining technical and process documentation, securing client approval through final signoff
- Led a team of Active Directory experts in managing domains within the European region
- Delivered impactful presentations of ideas, products, and concept papers to diverse audiences, facilitating stakeholder understanding and buy-in
- Managed ADRAP planning sessions, developed actionable team plans, and coordinated efforts to meet project objectives
- Designed and implemented end-to-end solution roadmaps, architecture, and system designs by integrating technologies across various IT systems and departments within application and infrastructure domains
- Led end-to-end management of upgrade projects, ensuring timely delivery and minimal disruption to operations
- Developed PowerShell scripts to automate routine environment management tasks, improving operational efficiency and reducing manual effort
PUBLIC KEY INFRASTRUCTURE ADMINISTRATOR
Wysetek (Interpublic Group)
03.2019 - 08.2020
- Collaborated with the global security team at IPG to architect, design, and deploy a comprehensive 3-tier PKI environment, ensuring scalable and secure digital certificate infrastructure
- Delivered encryption solutions and key management strategies aligned with organizational security policies, enhancing data protection across enterprise systems
- Implemented secure cryptographic protocols including TLS, digital signatures, and key exchange mechanisms to facilitate secure communication channels and safeguard sensitive data
- Managed the deployment and operational lifecycle of N-cipher Hardware Security Modules (HSMs), ensuring robust hardware-based key protection and cryptographic operations
- Led certificate lifecycle management processes, including issuance, renewal, revocation, and audit, to maintain PKI integrity and compliance
- Developed test cases for both software and hardware components, ensuring system reliability and security through thorough testing procedures
- Prepared detailed test evaluation reports for stakeholders, providing insights into system performance, security posture, and compliance status
TECHNICAL SERVICE ENGINEER
Fujitsu
07.2018 - 03.2019
- Managed daily operational tasks for Active Directory and DNS to ensure system stability, security, and optimal performance.
- Executed Active Directory migrations using ADMT, supporting seamless domain transitions and infrastructure upgrades.
- Handled change management processes, incident resolution, and problem tickets related to directory services and network infrastructure.
- Designed and implemented a new Public Key Infrastructure (PKI) environment, including OCSP, ACME, and EJBCA solutions, to enhance security protocols.
- Configured and maintained SSL certificates for various applications, optimizing security settings within IIS environments.
- Supported IIS-based tier-3 applications by troubleshooting and resolving complex issues to ensure high availability and performance.
- Maintained and supported Active Directory domain infrastructure across multiple Windows Server versions, including 2008, 2008 R2, 2012, and 2012 R2.
- Utilized troubleshooting tools such as AD Lockout, NTDSUtil, Netdom, DCDiag, Repadmin, and Active Directory Replication Status Tool to diagnose and resolve domain-related issues.
- Developed and automated routine administrative tasks using PowerShell scripting to improve efficiency and troubleshooting workflows.
- Completed ITIL training to enhance service management practices, focusing on incident and change management processes.
- Managed escalations related to Group Policy and PKI, ensuring timely resolution and maintaining system integrity.
SYSTEM ADMINISTRATOR
Atos India
02.2017 - 07.2018
- Managed Active Directory infrastructure, ensuring optimal performance and security compliance.
- Utilized Active Directory Migration Toolkit (ADMT) to facilitate seamless domain migrations and consolidations.
- Monitored and resolved Active Directory issues in accordance with ITIL processes to maintain service continuity.
- Conducted PKI and Group Policy training sessions for a team of 20 members to enhance operational knowledge and security practices.
- Served as an Active Directory consultant and Level 4 support engineer for customer operations, providing expert guidance on complex AD issues.
- Acted as the escalation point of contact for critical Active Directory incidents, ensuring timely resolution and minimal impact.
- Integrated ServiceNow with Active Directory using Active Directory Federation Services (ADFS) to streamline user authentication and access management.
TECHNICAL SUPPORT ENGINEER
Convergys
11.2014 - 01.2017
- Provided technical support for Microsoft Directory Services, resolving complex issues for global clients
- Received comprehensive training from Microsoft on Active Directory, Federation Services, and Public Key Infrastructure to ensure expert-level support
- Managed and resolved over 3,000 Priority One incidents, demonstrating strong problem-solving skills and commitment to customer satisfaction
- Served as a Subject Matter Expert in Group Policy, advising on best practices and troubleshooting policy-related issues
- Collaborated with cross-functional teams to diagnose and resolve technical challenges, ensuring minimal service disruption
- Developed and documented troubleshooting procedures to improve support efficiency and knowledge sharing within the team
Education
Bachelor of Engineering - IT
KITS
01.2014
Skills
- Active Directory
- PowerShell scripting
- Cryptography (Public Key Infrastructure)
- Cryptographic policy development
- DNS
- Active Directory Federation Services
- Team management
- Microsoft Azure Security Engineer
- Identity and Access Management
- Google Cloud Security Engineer
Certification
- Microsoft Certified Solutions Expert: Cloud Platform and Infrastructure(F814-4193)
- Microsoft Certified Solutions Expert: Server Infrastructure (F793-6024)
- Microsoft Certified Solutions Associate: Windows Server 2012 (F762-9358)
- Microsoft Certified: Azure Administrator Associate (AZ-104)
- Microsoft Certified: Azure Security Engineer Associate (AZ-500)
- Microsoft Certified Professional (F405-9196)
- Professional google cloud security engineer
LANGUAGE
English
Hobbies and Interests
Travelling, Reading Fictional Novels
Timeline
PKI Engineer
Nomios
08.2025 - Current
SYSTEM MANAGER
Worldline
01.2021 - Current
LEAD CONSULTANT
ITC
09.2020 - 12.2021
PUBLIC KEY INFRASTRUCTURE ADMINISTRATOR
Wysetek (Interpublic Group)
03.2019 - 08.2020
TECHNICAL SERVICE ENGINEER
Fujitsu
07.2018 - 03.2019
SYSTEM ADMINISTRATOR
Atos India
02.2017 - 07.2018
TECHNICAL SUPPORT ENGINEER
Convergys
11.2014 - 01.2017
Bachelor of Engineering - IT
KITS
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