Senior System and Network Administrator

Job Summary

The Senior System and Network Administrator is responsible for delivering reliable IT support, administering and securing the company's systems and networks, and leading projects within these areas. The role combines hands-on troubleshooting with technical ownership of infrastructure availability, performance, security, and continuous improvement across Dermorepubliq locations.

As the senior technical escalation point, the role resolves complex incidents, guides IT support staff, coordinates service providers, and turns business requirements into practical infrastructure improvements. Project responsibilities include planning, implementation, testing, documentation, and operational handover in coordination with the reporting manager.

Key Responsibilities:

IT Support and Service Delivery

• Provide hands-on onsite and remote support for end-user devices, operating systems, Microsoft 365, business application access, printers, peripherals, and network connectivity.
• Act as the senior escalation point for complex or recurring incidents; diagnose root causes, restore services, and implement preventive actions.
• Manage and prioritize support tickets based on business impact and agreed service levels, keeping users informed through resolution.
• Coordinate major incident response with internal teams and vendors, including escalation, recovery updates, and post-incident reviews.
• Mentor IT support staff, maintain troubleshooting guides, and provide user guidance to reduce recurring issues.

Network Administration and Connectivity

• Configure, maintain, and troubleshoot routers, switches, firewalls, wireless access points, VPNs, LAN/WAN connections, and internet services.
• Manage network addressing, VLANs, routing, DNS, DHCP, and access rules to support secure and dependable connectivity.
• Monitor network availability, performance, bandwidth, and capacity; resolve bottlenecks and recommend upgrades or redundancy improvements.
• Coordinate internet service providers and network vendors for outages, installations, renewals, and service performance; maintain current network diagrams and configuration backups.

Systems and Cloud Administration

• Administer Windows Server, relevant Linux systems, virtualization platforms, storage, and cloud services used by the company.
• Administer Microsoft 365 and identity services, including Active Directory, Group Policy, Microsoft Entra ID, user accounts, permissions, and approved SaaS platforms.
• Maintain secure onboarding, role changes, and offboarding, including access provisioning, license assignment, and timely access removal.
• Plan and execute patching, upgrades, preventive maintenance, and configuration changes with testing, communication, and rollback procedures.
• Monitor system health, capacity, licenses, and service availability; automate routine administration where practical.

Security Backup and Recovery

• Implement and maintain approved security controls, including endpoint protection, EDR, MFA, least-privilege access, secure configurations, and firewall policies.
• Review infrastructure alerts and logs, remediate identified vulnerabilities, and escalate suspected security incidents through the established response process.
• Maintain backup schedules, monitor backup completion, and regularly test restoration against agreed recovery requirements.
• Keep recovery procedures current and participate in disaster recovery and business continuity exercises.

Infrastructure Projects and Improvements

• Lead and deliver assigned projects related to IT support, systems, networks, cloud services, and infrastructure security, from requirements gathering through operational handover.
• Prepare project scope, technical designs, implementation plans, schedules, resource needs, cost estimates, risks, and acceptance criteria for approval.
• Coordinate stakeholders, suppliers, and service providers; track milestones, dependencies, issues, and expenditure against approved plans, and communicate progress.
• Execute or oversee deployment, migration, integration, and testing; obtain required change approvals and coordinate downtime and rollback arrangements.
• Complete acceptance testing, user communication, technical documentation, knowledge transfer, and post-implementation reviews.
• Typical projects include network upgrades, site connectivity, office or site setup, server or cloud migrations, backup improvements, endpoint deployment, and support process automation.

Assets Documentation and Site Support

• Maintain accurate hardware, software, warranty, license, and infrastructure records; recommend replacements and capacity improvements.
• Keep procedures, configuration records, network diagrams, and change histories current; store credentials in approved secure systems.
• Coordinate consistent IT services across office and manufacturing locations, including site visits and vendor work as required.

Qualifications

Education and Experience

• Bachelor’s degree in information technology, Computer Science, or a related field, or equivalent relevant experience.
• At least 3 years of progressive experience in IT support, systems administration, and network administration, including ownership of complex incidents and infrastructure improvements.
• Demonstrated experience delivering infrastructure projects, coordinating vendors, and supporting users across multiple locations.
• Relevant Microsoft, Cisco, CompTIA, ITIL, or equivalent certifications are an advantage.

Skills and Competencies

Technical Skills:

• Strong troubleshooting skills across Windows endpoints, Windows Server, Microsoft 365, identity services, and network infrastructure; working knowledge of Linux and macOS where used.
• Practical experience with TCP/IP, DNS, DHCP, VLANs, routing, switching, Wi-Fi, VPNs, firewalls, and network monitoring.
• Experience administering Active Directory, Group Policy, Microsoft Entra ID, SSO, MFA, and conditional access.
• Experience with virtualization, storage, backup and recovery, patch management, endpoint protection, and EDR tools.
• Ability to use ticketing and asset management tools, maintain technical documentation, and apply incident, problem, and change management practices.
• Working knowledge of PowerShell or Bash for administration and automation; ability to prepare project plans, implementation procedures, and technical estimates.

Professional Competencies

• Strong analytical judgment, accountability, and attention to detail, with the ability to work independently and escalate risks promptly.
• Clear communication with technical and non-technical stakeholders, a service-oriented approach, and effective mentoring skills.
• Ability to balance urgent support needs, preventive maintenance, and project commitments while protecting service continuity.
• Ability to coordinate cross-functional teams and vendors and handle confidential company information appropriately.

Soft Skills

• Analytical Thinking: Strong problem-solving skills with the ability to identify root causes and implement effective solutions.
• Communication: Excellent verbal and written communication skills; able to explain technical concepts to non-technical users.
• Customer Service: Approachable and responsive, with a focus on end-user satisfaction.
• Team Collaboration: Capable of working independently and as part of a cross-functional IT team under the guidance of senior administrators.
• Attention to Detail: High level of accuracy and precision in handling system configurations and troubleshooting activities.

Physical Requirements

• Ability to lift and carry IT equipment, including computers and peripherals, as required.

Work Environment

This position operates in an office and remote support environments. Occasional travel between Dermorepubliq office locations may be required to ensure consistent support across sites.

Equal Opportunity Statement

Dermorepubliq is an equal opportunity employer and is committed to creating an inclusive environment for all employees.