Assistant System Administrator

2 Months ago • All levels

System Admin

Job Description

The Assistant System Administrator supports the Senior System Administrator in maintaining, monitoring, and securing IT systems and infrastructure. This role involves hands-on work with Windows, Linux, and macOS environments, virtualization, networking, and cloud platforms. The ideal candidate will have a proactive mindset and a strong technical foundation to support daily IT operations and strategic initiatives, ensuring a secure IT environment aligned with best practices and compliance standards like ISO 27001. Responsibilities include assisting in managing IT teams, administering systems across various platforms, managing Active Directory, network infrastructure, firewalls, cloud platforms, MDM solutions, and endpoint security.

Good To Have:

Experience with ISO 27001 frameworks is a plus

Must Have:

Proficiency in Active Directory, Group Policy, and user account management
Experience supporting macOS and Linux environments
Strong foundation in networking (TCP/IP, VLANs, DNS, DHCP, routing)
Hands-on experience with firewalls, VPNs, and network security tools
Familiarity with cloud services (AWS, Azure, or Google Cloud)
Knowledge of endpoint protection platforms and MDM tools
Exposure to penetration testing practices and vulnerability remediation
Solid experience with VMware (6.x or newer)
Experience with MySQL or MongoDB databases
Proficiency in Git and modern DevOps practices
Familiarity with authentication systems (SSO, LDAP, SAML)
Strong documentation, reporting, and communication skills
Ability to prepare and deliver clear and concise technical reports

Add these skills to join the top 1% applicants for this job

account-management

communication

github

ethical-hacking

mysql

networking

macos

dns

linux

ldap

aws

azure

dhcp

vmware

mongodb

git

Job Description:

The Assistant System Administrator supports the Senior System Administrator in maintaining, monitoring, and securing a broad range of IT systems and infrastructure. The role includes hands-on work with Windows, Linux, and macOS environments, virtualization, networking, cloud platforms, and endpoint management. The ideal candidate will have a proactive mindset, a strong technical foundation, and the ability to support both daily IT operations and long-term strategic initiatives.

This role also plays a key part in maintaining a secure IT environment aligned with best practices and compliance standards such as ISO 27001.

Job Responsibilities:

Assist in managing and mentoring the IT team to improve operational efficiency and technical capabilities
Administer and support systems across Windows, Linux, and macOS platforms
Maintain and manage Active Directory (AD), GPO, DNS, and DHCP services
Configure and maintain network infrastructure including LAN/WAN/VPN
Manage firewalls and network security appliances
Support cloud platforms (AWS, Azure, Google Workspace, Microsoft 365)
Deploy and manage Mobile Device Management (MDM) solutions
Oversee endpoint security across desktops, laptops, and mobile devices
Coordinate penetration testing and assist with remediation of security gaps
Administer VMware environments and manage virtualized infrastructure
Oversee storage systems (SAN/NAS), data backup, and disaster recovery procedures
Ensure IT security and business continuity, submitting monthly reports as needed
Maintain documentation for network diagrams, workflows, and system configurations
Evaluate new technologies and recommend improvements to enhance security and productivity
Ensure IT practices align with ISO 27001 standards (experience with ISO 27001 is a strong plus)
Provide regular reports related to system health, security, and compliance metrics