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Johannesburg: Systems Administrator posted by Hire Resolve

Johannesburg: Systems Administrator posted by Hire Resolve

Posted on 2025-07-16 00:00:00

Employer Hire Resolve
Category Other IT/Computer
Location Gauteng  / Johannesburg

Job Summary

Hire Resolve’s client is looking for a Systems Administrator to join their team in Johannesburg, GP. The purpose of the role is to enhance the ICT team’s effectiveness by managing, securing, and optimizing systems, networks, and end-user devices across a globally distributed business. The role encompasses system administration, security and compliance, end-user support, and the adoption of innovative tools and processes to ensure operational excellence and alignment with organizational goals. This position demands proactive leadership, technical expertise, and a commitment to fostering collaboration, continuous improvement, and reliability in all ICT operations.

Responsibilities: 

System Administration

  • Administer and maintain productivity suites, ranging from Microsoft 365, which includes Entra, Office 365, SharePoint, Teams, Intune, Defender and Purview to our Line of Business systems.
  • Administering and maintaining servers and endpoints, including installation, configuration, and troubleshooting, as well as the migration of any on-premises infrastructure to off-the-shelf cloud-based platforms.
  • Facilitate the life cycle of user accounts, permissions, and access across various systems and platforms, which includes the Active Directory and Microsoft Entra.
  • Telephony switch and VoIP systems (Mitel based), Datatex suite of products (Amethyst, TES, TNG)
  • Implementing and maintaining system backups, disaster recovery plans, and security measures.

Management and Processes

  • Assist with IT operational and supply chain management.
  • Enable internal service desk to achieve SLA and reporting requirements.
  • Manage contracts with vendors (e.g. development platforms, telecommunication companies, password managers) and software licenses.
  • Assist teams with planning and adoption of new tools and services.
  • Assist in end-user support
  • Manage and allocate support tickets to team via Helpdesk system (SpiceWorks)

Security and Compliance

  • Align the IT environment to industry regulations and best practices, such as SOC2, CIS Benchmark, ISO 27001, GDPR and PCI-DSS, by configuring, implementing and enforcing security policies.
  • Monitor and investigate security alerts and incidents.
  • Facilitate security reviews for new software and tools and critically evaluate risks and define mitigations.
  • Ensure regular security audits and vulnerability assessments are performed and risks identified are addressed promptly.
  • Assist with configuration and evidence gathering.

Support

  • Effectively enable and delegate within the team to offer prompt national support and collaborate with representatives in other regions where applicable.
  • Facilitate inquiries by understanding the underlying need, followed by identifying and evaluating the various solutions and finally implement the viable solution.
  • Collaborate with teams to enable integration with IT systems, e.g. SSO, MFA integration and configuring access packages.
  • Serve as an escalation layer for privileged operations as well as complex issues offering prompt and effective resolution, which may vary from hardware/software to network problems and rely on diagnostic skills to resolve.
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Documentation and Knowledge Sharing

  • Develop IT policies and guidelines.
  • Maintaining accurate documentation of configurations, procedures, and troubleshooting guides.
  • Sharing knowledge and best practices with team members, promoting continuous learning and improvement.

Minimum experience required to effectively meet the requirements of the position  

  • Completed the following Microsoft Exams:
  • MS-102: Microsoft 365 Administrator
  • MD-102: Endpoint Administrator
  • SC-100: Microsoft Cybersecurity Architect
  • SC-200: Microsoft Security Operations Analyst
  • SC-300: Microsoft Identity and Access Administrator
  • SC-400: Microsoft Information Protection Administrator
  • MS-500: Microsoft 365 Security Administration
  • AZ-500: Microsoft Azure Security Technologies
  • Holds a degree or diploma in Computer Science, Information Technology, or related field or have the relevant work experience.
  • Networking: IP, ICMP, IPSec, UDP, TCP, DNS, DHCP, NTP, LDAP, HTTP, SMB, SIP, Routing, BGP, VPN
  • Security: Firewall, CSR, Certificates, SAN, CA, TLS, Mutual TLS, Cipher Suites, Symmetric and Asymmetric Encryption
  • Load Balancers: Reverse Proxy, HTTP Proxy, NGINX, Scale Computing and NLB
  • Email: MX, SPF, DKIM, DMARC, S/MIME, Microsoft Purview Advanced Message Encryption
  • Platforms: Windows, MacOS, Ubuntu, Android, iOS, Apple Business Manager, Google Workspace, Rocky
  • Scripting languages: PowerShell, Bash, SQL, Python, Data Manipulation, Automation
  • IdPs: SAML, Microsoft Enterprise Applications, SCIM, Custom App Roles
  • Microsoft Identity: Hybrid AD, Mult-Factor Authentication, Conditional Access Policies, External Collaboration, PIM, Retrieving Audit Logs, Entitlement Packages
  • Microsoft Endpoint Manager: Intune, Secure Boot, Disk Encryption, Account Protection, Firewall, Windows Defender for Endpoint, Device Profiles, Devices Compliance Polices, Device Configuration Polices, Approved Applications, Device Driver Updates, AutoPilot, Onboarding Operating Systems, Dynamic Groups
  • Microsoft Purview: DPL policies, eDiscovery, data life cycle management, subject rights management (GDPR)
  • Microsoft Security: Improving Security Score, Configuring Alerts, Investigate Incidents, Leveraging Risky Users detection.
  • Microsoft Exchange, SharePoint and Teams: Creating Teams disallowing Guests, Auditing external shares.
  • Microsoft Azure: KeyVaults, Storage Accounts, SQL server, ADF, Virtual Network, NAT Gateways, VPN Tunnels, Azure Sentinel, Azure Virtual Desktop
  • Compliance Policies and Data Protection Acts: ISO 27001, CIS Benchmark, SOC2, PCI DSS, POPIA, GDPR, CCPA, CDPA, DSAR

If you would like to apply for this position, kindly forward your CV to *****@*****.co.za

Click Go Apply to apply online!


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