Job Purpose
The Network & Infrastructure Engineer is responsible for designing, implementing, securing, and maintaining the organization's network and IT infrastructure across distributed environments.
The role focuses on LAN/WAN connectivity, wireless infrastructure, firewalls, VPNs, switches, access points, servers, cloud platforms, and enterprise hardware infrastructure. The position also supports systems administration, IT operations, infrastructure security, business continuity, and end-user support to ensure reliable and secure technology operations across the organization.
Key Responsibilities
Network Architecture & Infrastructure Management:
Design, implement, monitor, and maintain enterprise network infrastructure including LAN, WAN, Wi-Fi, VPN, VLANs, and distributed office connectivity.
Configure and manage routers, switches, firewalls, wireless controllers, and access points.
Design scalable and secure network architecture for distributed and multi-site environments.
Manage network segmentation, bandwidth optimization, redundancy, failover, and high availability.
Monitor network performance, uptime, and traffic utilization.
Troubleshoot network connectivity, latency, routing, and infrastructure issues.
Coordinate ISP connectivity, leased lines, and internet redundancy solutions.
Maintain structured cabling and physical network infrastructure standards.
Systems & Infrastructure Administration:
Manage physical and virtual servers (on-premise and cloud-hosted).
Administer Windows/Linux environments, Active Directory, DNS, DHCP, VPN, and access controls.
Manage virtualization platforms such as VMware or Hyper-V.
Ensure regular system patching, firmware upgrades, backups, and infrastructure maintenance.
Monitor infrastructure health, storage capacity, and system performance.
Maintain company hardware infrastructure including servers, laptops, desktops, printers, biometric devices, UPS systems, and related IT equipment.
Email, Domain & Cloud Services:
Administer company domains, DNS records, MX records, SSL certificates, and email services.
Manage Microsoft 365, SharePoint, OneDrive, Teams, and related collaboration platforms.
Manage email accounts, permissions, and security policies.
Support hybrid cloud connectivity and secure remote-access infrastructure.
Ensure proper data synchronization, storage, and access control.
Security & Firewall Administration:
Configure and manage firewalls, VPN gateways, endpoint protection, and network security controls.
Implement network access control, segmentation, and security hardening practices.
Monitor systems and infrastructure for cyber threats, vulnerabilities, and unauthorized access attempts.
Ensure endpoint protection, antivirus updates, and firewall configurations are maintained.
Conduct periodic security assessments, backup verification, and disaster recovery testing.
Ensure compliance with IT security policies and infrastructure standards.
User Support & IT Operations:
Provide Level 1 and Level 2 technical support for network, infrastructure, hardware, and systems issues.
Support staff on hardware, software, email, and connectivity-related issues.
Maintain IT asset inventory, warranty records, and infrastructure documentation.
Support onboarding/offboarding activities including device provisioning and access management.
Coordinate hardware procurement, replacement, and maintenance activities.
Maintain accurate inventory of IT equipment and software licenses.
Documentation & Compliance:
Maintain network diagrams, IP addressing schemes, topology documentation, and infrastructure inventory.
Maintain up-to-date documentation of IT systems, configurations, and operational procedures.
Prepare infrastructure reports, incident reports, and capacity planning recommendations.
Document standard operating procedures (SOPs), backup procedures, and disaster recovery processes.
Support compliance with data protection, information security, and regulatory requirements.
Collaboration & Continuous Improvement:
Work closely with the Technology team on infrastructure upgrades, deployments, and system improvements.
Identify opportunities for automation, optimization, and cost efficiency.
Provide recommendations to management on infrastructure scalability, performance, and security improvements.
Support implementation of enterprise technology initiatives and operational best practices.
Key Performance Indicators (KPIs)
Network uptime and availability.
Incident response and resolution time.
Infrastructure security compliance.
Firewall and VPN reliability.
Successful backup and disaster recovery validation.
User support responsiveness.
Infrastructure documentation accuracy.
Hardware and asset management efficiency.
Qualifications & Experience
Education:
Bachelor's Degree in Computer Science, Information Technology, Network Engineering, or a related field.
Experience:
4 - 7 years' experience in enterprise network engineering and systems administration.
Hands-on experience managing LAN/WAN infrastructure, firewalls, switches, routers, and wireless networks.
Experience supporting distributed or multi-site environments.
Experience with Microsoft 365, Active Directory, virtualization, and cloud platforms.
Experience configuring enterprise-grade networking equipment such as Cisco, Fortinet, MikroTik, Ubiquiti, Aruba, or similar.
Certifications (Advantage):
Cisco CCNA / CCNP
Fortinet NSE
CompTIA Network+
Microsoft Certified: Azure Administrator
Ubiquiti / Aruba certifications
Skills & Competencies:
Strong understanding of TCP/IP, VLANs, routing, switching, DNS, DHCP, VPN, and firewall technologies.
Experience with enterprise switches, routers, access points, and wireless infrastructure.
Network monitoring and troubleshooting expertise.
Firewall and infrastructure security administration.
Systems administration (Windows/Linux Server).
Cloud and Microsoft 365 administration.
Backup and disaster recovery management.
Infrastructure documentation and topology management.
Strong analytical and problem-solving skills.
Attention to detail and operational discipline.
Strong communication and user-support capability.
Behavioral Attributes:
High integrity and confidentiality awareness.
Proactive and solution-oriented mindset.
Ability to work independently and under pressure.
Strong time management and prioritization skills.
Strong ownership and accountability mindset.
Work Environment:
Strategic and collaborative technology environment.
Involvement in high-impact, group-wide technology initiatives.
Opportunities for leadership growth and influence across the Barnksforte Group.