Senior System Administrator

Sygnia is a top-tier cyber technology and services company, providing high-end consulting and incident response support to organizations worldwide. Sygnia works with companies to proactively build their cyber resilience and to respond to and defeat attacks within their networks. It is the trusted advisor and cyber security service provider to IT and security teams, senior management, and boards of leading organizations across the globe, including Fortune 100 companies.

The company draws on top talent from elite military technology units and the broader cyber industry, bringing together some of the world’s foremost experts in cybersecurity. Described by Forbes as a “cyber security delta force,” it applies technological supremacy, digital combat experience, data analytics, and a business-driven mindset to cybersecurity—enabling organizations to thrive in the age of cyber.

Sygnia is looking for a Senior System Administrator to provide professional IT support to employees across all levels and departments of the company. Reporting directly to the IT Manager, your goal will be to deliver an outstanding IT service experience.

What You Will Gain:

We see this role as an opportunity to gain hands-on experience with a wide range of technologies, security systems, and IT methodologies. You will be expected to enhance your knowledge continuously and adhere to various protocols and standards in the field.

• Hands-on experience managing and optimizing complex infrastructures across multi-cloud environments, including Azure, AWS, and additional enterprise platforms.
• Deep exposure to system administration tools and technologies, including automation, identity management, endpoint security, and enterprise networking.
• Ownership of critical IT systems, giving you the opportunity to design, maintain, and improve core infrastructure that supports our global operations.
• Professional growth through ongoing learning, mentorship, and direct involvement in advanced IT initiatives and architecture discussions.
• Experience in a high-performance, fast-moving environment where innovation, accountability, and continuous improvement are strongly valued.

Main Responsibilities

• Promote and implement IT best practice standards.
• Responsible for the maintenance, configuration, and reliable operation of computer systems, network servers, and cloud environments.
• Develop and maintain documentation and technical specifications to assist in planning and executing new IT infrastructure initiatives or upgrades.

Requirements:

• 5-7 years of proven experience as a System Administrator or similar role.
• Technologically proficient with hands-on experience in:
• Windows 11 operating system
• Cloud infrastructure (AWS, GCP, Azure)
• Microsoft 365 environment (Office 365, Entra ID, Exchange Online, etc.)
• Network appliances (firewalls, switches, access points)
• Strong understanding of computer systems, mobile devices, and related tech products, with general experience in PC/laptop troubleshooting and network management.
• Demonstrated ability to diagnose and resolve technical issues efficiently.
• Proficiency in English—both written and verbal.
• Excellent communication and interpersonal skills.
• Customer-focused mindset with a calm and professional attitude.
• Resourceful, agile, and capable of quickly addressing technical problems.
• Ability to deploy, configure, and support Windows OS on desktop and mobile devices (MacOS experience is an advantage).