Our client, a dynamic and innovative fintech company based in Limassol, is seeking a talented Senior Systems Administrator to join their dedicated team. The successful candidate will be hands-on, will own and manage the company’s internal IT infrastructure, identity systems, software platforms, networking environment, and endpoint security. This is a senior operational role responsible for ensuring the stability, security, and optimization of all internal systems, including Active Directory, collaboration tools, communication systems (VoIP), virtual servers, networking equipment, and employee hardware. You will act as the primary administrator and gatekeeper of company systems, ensuring secure access control, operational continuity, cost efficiency, and structured IT governance across the organization.
DUTIES AND RESPONSIBILITIES
Infrastructure & Identity Management
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Set up, configure, and maintain Active Directory and Domain Controllers
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Manage user accounts, group policies, and access controls
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Maintain virtual machines and internal servers
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Ensure system patching, updates, and hardening
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Oversee backup and disaster recovery processes
Application & Access Administration
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Administer and manage all internally used software platforms and collaboration tools (e.g., Google Workspace, Slack, Jira, and other SaaS systems)
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Oversee user provisioning, de-provisioning, and permission management across all business applications
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Enforce role-based access control (RBAC) and least-privilege principles
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Conduct periodic access reviews and audits
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Manage software licenses, renewals, subscriptions, and vendor payments
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Monitor and optimize system usage, access structures, and cost efficiency
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Act as the primary administrative owner of internal tools, ensuring stability, security, and proper configuration
Network & Security Management
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Maintain and configure firewalls, routers, switches, and VPN connections
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Monitor and manage DNS, DHCP, and TCP/IP configurations
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Implement endpoint security standards for Windows and macOS devices
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Monitor system logs and respond to potential security incidents
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Enforce secure onboarding and offboarding procedures
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Apply cybersecurity best practices across infrastructure and applications
Communication & VoIP Systems
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Ensure the stability and functionality of communication systems (VoIP, PBX, SIP trunking)
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Monitor call quality and performance
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Troubleshoot telephony and network-related issues
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Coordinate with telecom providers when required
IT Operations & Asset Management
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Manage IT asset inventory (laptops, peripherals, networking equipment)
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Assign and track equipment across teams
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Research, evaluate, and recommend hardware purchases
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Oversee procurement and vendor relationships
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Manage hardware lifecycle planning and replacement strategy
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Provide hands-on technical support when necessary
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Maintain clear IT documentation and operational procedures
CANDIDATE PROFILE
Experience
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6+ years of experience in Systems Administration or IT Operations
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Hands-on experience with Active Directory and Domain Controllers
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Strong experience managing SaaS environments and collaboration tools
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Experience supporting Windows and macOS endpoints
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Experience managing VoIP or PBX communication systems
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Experience working in multi-location or distributed environments is a plus
Technical Knowledge
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Solid understanding of networking fundamentals (DNS, DHCP, TCP/IP, VPN, firewall configuration)
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Strong grasp of identity and access management principles
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Experience with virtual machines and server maintenance
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Understanding of cybersecurity best practices and system hardening
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Experience managing software licensing and vendor relationships
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Familiarity with structured IT service processes (ITSM/ITIL) is a plus
Professional Strengths
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Security-conscious and risk-aware
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Highly organized and process-driven
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Strong ownership mentality
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Cost-aware and optimization-focused
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Excellent troubleshooting and analytical skills
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Able to work independently and manage priorities effectively
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Clear communicator with both technical and non-technical stakeholders
Due to the high volume of applications received at GRS Recruitment, only shortlisted candidates will be responded to.
To apply for this position, please email your CV to
Alex Evangelides, alex@grsrecruitment.com quoting the above job reference or call +357 25 3427 21 for further information.