About the Role:
Ryt Bank is seeking an experienced and forward-thinking Senior System Administrator to lead, manage, and evolve our IT infrastructure and end-user computing environment. This senior role is responsible for ensuring the stability, security, and performance of our systems while driving operational excellence and continuous improvement across the organization.
Key Responsibilities:
- Infrastructure, Endpoint & Application Management:
- Lead administration and optimization of macOS and Windows endpoints across the enterprise.
- Oversee deployment automation, patch management, and systems hardening.
- Manage and improve Microsoft 365 services (Outlook, Teams, SharePoint, OneDrive).
- Oversee governance and administration of the Atlassian suite (Jira, Confluence, JSM).
- Evaluate and introduce tools and technologies to enhance scalability and reliability.
Identity & Access Management (IAM):
- Own IAM strategy, policies, and standards.
- Lead administration of Microsoft Entra ID including SSO, SCIM provisioning, MFA, and Conditional Access.
- Implement RBAC and conduct periodic access reviews.
- Strengthen identity security posture based on zero-trust principles.
IT Security & Compliance:
- Manage endpoint security platforms including Windows Defender.
- Oversee email and collaboration security including phishing protection.
- Ensure network security including firewall policies, segmentation, and VPN access.
- Conduct regular security audits and support compliance efforts.
- Partner with security teams on incident investigations.
End-User Support & Office Technology Leadership:
- Provide Tier 3 escalation for complex issues.
- Oversee meeting room systems, AV solutions, and conferencing technology.
- Lead design and troubleshooting of office network infrastructure.
- Mentor junior IT staff and establish best-practice support processes.
Procurement, Asset & Vendor Management:
- Lead IT procurement strategy and manage SaaS/hardware renewals.
- Maintain accurate IT asset inventories.
- Manage vendor relationships and negotiate agreements.
IT Operations & Project Delivery:
- Own and enhance onboarding/offboarding workflows.
- Create and maintain IT documentation, SOPs, and knowledge bases.
- Lead IT projects, upgrades, and technology rollouts.
- Identify automation opportunities to improve operational efficiency.
Qualifications & Skills:
- 5–8+ years of experience as a System Administrator or similar senior role.
- Strong expertise in macOS, Windows, and enterprise endpoint management.
- Proficiency in Microsoft 365 and Atlassian tools.
- Deep understanding of IAM concepts and security frameworks.
- Strong networking knowledge (TCP/IP, DNS, DHCP, VLANs, VPNs).
- Excellent troubleshooting, analytical, and communication skills.
- Ability to lead initiatives and mentor team members.
Preferred Certifications:
- ITIL Foundation
- Jamf 100/200/300/400 or similar macOS MDM certifications
- Microsoft MS-102, SC-200, SC-300, MD-102
- CompTIA Security+
- Atlassian Administration ACP-120, ACP-420
- CCNA or equivalent