Overview

Technical Support Engineer Jobs in Doha, Qatar at Vistas Global

Title: Technical Support Engineer

Company: Vistas Global

Location: Doha, Qatar

Ascertia SigningHub Professional Services Consultant

Job Purpose

We are seeking an experienced Ascertia SigningHub Professional Services Consultant with strong expertise in Ascertia PKI platforms, SigningHub, ADSS Server, WebRA, digital signing workflows, certificate lifecycle management, and PKI operations.

The role will provide technical implementation, L2/L3 support, troubleshooting, integration, upgrades, and production support for enterprise and government customers.

Key Responsibilities

Ascertia & SigningHub Support

  • Provide end-to-end technical support for Ascertia ADSS Server, SigningHub, and WebRA.
  • Support SigningHub digital signing workflows and related PKI services.
  • Troubleshoot application, PKI, certificate, and digital-signing issues.
  • Act as a technical escalation point for customer incidents and service requests.
  • Provide L2/L3 technical support within agreed SLA timelines.

PKI Operations

  • Manage certificate lifecycle operations across enterprise environments.
  • Support Root CA and Issuing CA operations.
  • Manage CRL and OCSP services.
  • Troubleshoot X.509 certificate, SSL/TLS, trust-chain, OCSP, and CRL issues.
  • Support authentication and trust-services integration.
  • Maintain secure and highly available PKI environments.

Digital Trust & Signing Services

  • Support digital signing and electronic signature services.
  • Configure and maintain SigningHub environments.
  • Troubleshoot digital signing workflows and authentication services.
  • Support integration of digital trust services with enterprise applications.
  • Ensure secure operation of certificate-based signing solutions.

Integration

  • Support integration of Ascertia platforms with:
  • Enterprise Applications
  • Identity Providers
  • EJBCA
  • Authentication Services
  • Other External Systems
  • Troubleshoot integration and connectivity issues.
  • Support REST/SOAP and related enterprise integration scenarios where applicable.

HSM & Cryptographic Operations

  • Support HSM-backed PKI environments.
  • Work with hardware security modules and cryptographic infrastructure.
  • Support cryptographic key management and secure key operations.
  • Participate in key ceremonies and dual-control security procedures.
  • Support HSM backup, restoration, and disaster recovery activities.

Production Support

  • Monitor PKI platform health and system availability.
  • Investigate and resolve production incidents.
  • Perform root cause analysis and implement permanent fixes.
  • Manage incidents, changes, and service requests through ITSM tools.
  • Coordinate with engineering and customer teams for critical production issues.

Upgrades & Maintenance

  • Perform Ascertia platform upgrades, patches, and maintenance.
  • Support upgrades across staging and production environments.
  • Conduct validation and testing following platform changes.
  • Ensure platform stability and availability following upgrades.

Disaster Recovery & High Availability

  • Support PKI disaster recovery environments.
  • Perform HSM disaster recovery setup and validation.
  • Support failover and cryptographic testing.
  • Validate Production and DR readiness.
  • Maintain business continuity for critical PKI services.

Documentation & Compliance

  • Maintain operational documentation, SOPs, and knowledge-base articles.
  • Follow PKI standards, policies, and security procedures.
  • Support compliance and audit-readiness activities.
  • Maintain documentation for PKI operations and customer environments.

Customer & Stakeholder Management

  • Work directly with enterprise and government customers.
  • Coordinate with engineering, QA, customer, and implementation teams.
  • Communicate technical issues and resolution plans to stakeholders.
  • Ensure incidents and service requests are resolved within SLA requirements.

Required Technical Skills

  • Ascertia SigningHub
  • Ascertia ADSS Server
  • Ascertia WebRA
  • PKI
  • Public Key Infrastructure
  • Digital Signing
  • Digital Trust Services
  • Certificate Lifecycle Management
  • X.509 Certificates
  • SSL/TLS
  • CRL
  • OCSP
  • Root CA / Issuing CA
  • HSM
  • Cryptographic Key Management
  • EJBCA
  • Identity Integration
  • WSO2 Identity Server
  • OAuth2
  • SAML
  • SSO
  • Windows Server
  • Linux
  • IIS
  • Tomcat
  • SQL Server
  • ServiceNow
  • JIRA
  • Postman
  • SOAP UI

Required Experience

  • 5+ years of experience in PKI / digital trust services.
  • Strong hands-on experience with Ascertia PKI platforms.
  • Direct experience with SigningHub, ADSS Server, and WebRA.
  • Experience providing L2/L3 technical support.
  • Experience supporting enterprise and government customers.
  • Experience with PKI certificate lifecycle operations.
  • Experience troubleshooting CRL, OCSP, SSL/TLS, and trust-chain issues.
  • Experience with HSM-backed cryptographic environments.
  • Experience with platform upgrades, patches, and production maintenance.
  • Experience supporting integrations with enterprise applications and identity providers.

Preferred Experience

  • Experience working directly with Ascertia / Tinexta InfoCert environments.
  • GCC / Middle East enterprise or government project experience.
  • Experience with high-availability PKI environments.
  • Disaster Recovery and business continuity experience.
  • Experience with secure digital-signature implementations.

Education

Bachelor’s degree in:

  • Computer Science
  • Information Technology
  • Cybersecurity
  • Information Security
  • Engineering
  • or a related technical discipline.

Key Competencies

  • Ascertia SigningHub
  • PKI Operations
  • Digital Signature Solutions
  • Certificate Management
  • Technical Troubleshooting
  • L2/L3 Support
  • Customer Support
  • Production Support
  • HSM & Cryptography
  • System Integration
  • Incident Management
  • Root Cause Analysis
  • Platform Upgrades
  • Disaster Recovery
  • Security & Compliance
  • Customer & Stakeholder Management

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