Network Support Technician

The Network Engineer is responsible for providing advanced L2/L3 support for enterprise and

Operational Technology (OT) network environments, ensuring high availability, reliability, and

security of critical infrastructure. This role focuses on network operations, firewall

administration, network security, vulnerability management, and compliance adherence across

IT and OT environments.

The Network Engineer will design, implement, and maintain secure network architectures,

manage firewall policies, support routing and switching infrastructure, and collaborate with

Cybersecurity, Infrastructure, and Operations teams to strengthen the organisation's security

posture. The ideal candidate will possess strong troubleshooting skills, extensive networking

knowledge, and experience supporting enterprise network environments with a focus on

security and compliance.

ESSENTIAL FUNCTIONS AND RESPONSIBILITIES

Primary duties are listed below. This list is illustrative, not exhaustive; additional duties may

be assigned as business needs require.

Network Operations & Support

Provide L2/L3 support for enterprise and OT network infrastructure, ensuring high

availability and operational stability.

Troubleshoot and resolve complex network incidents routing, switching, firewalls, and connectivity services.

Support network provisioning and deprovisioning activities, including device configuration and deployment.

Monitor network performance and proactively identify potential issues impacting business operations.

Participate in incident response activities and provide root cause analysis for network related outages.

Support enterprise and industrial networking environments across multiple locations.

Firewall Administration & Network Security

Design, implement, and manage firewall architectures and security policies across IT and

OT environments.

Administer Palo Alto firewalls and related security technologies.

Configure, maintain, and optimize firewall rules, NAT policies, VPNs, and security zones.

Perform firewall operating system upgrades, patching, hardening, and maintenance

activities.

Implement security controls aligned with organizational cybersecurity standards and

guardrails.

Collaborate with Cybersecurity teams to improve overall network security posture

Routing, Switching & Infrastructure Management

Configure and support enterprise routing and switching environments.

Manage network segmentation and micro-segmentation strategies to protect critical

infrastructure and industrial control systems.

Support LAN, WAN, VLAN, and network connectivity services.

Perform configuration management and lifecycle support for switches, routers, and related

network devices.

Maintain network documentation, diagrams, standards, and operational procedures

Vulnerability Management & Compliance

Drive vulnerability remediation efforts across network and security infrastructure.

Track, manage, and ensure timely closure of security findings within established SLAs.

Ensure compliance with Information Risk Management (IRM) policies and cybersecurity

requirements.

Support security audits, compliance reviews, and regulatory assessments.

Maintain documentation supporting network security controls and compliance

requirements.

Participate in risk assessments and remediation planning activities.

Security Monitoring & Incident Response

Monitor network security posture and identify threats, vulnerabilities, and configuration issues

risks.

Investigate and resolve network security incidents across enterprise and OT environments.

Analyse logs, alerts, and security events to identify potential risks and operational issues.

Support the implementation of security monitoring and threat detection capabilities.

Coordinate with Security Operations and Incident Response teams during investigations.

Collaboration & Continuous Improvement

Collaborate with Cybersecurity, Infrastructure, and Operations teams to improve the network

reliability and security.

Participate in network modernisation and infrastructure improvement initiatives.

Develop and maintain technical documentation, operational procedures, and knowledge

articles.

Recommend enhancements to network architecture, security controls, and operational

processes.

Support project implementation activities and provide technical expertise during, The demands below are representative of those required to perform this role's essential

functions. Reasonable accommodations will be made for qualified individuals with disabilities

in accordance with applicable laws.

Regularly required to sit, stand, walk, and use computers and office equipment.

Work is performed primarily in an office or hybrid work environment.

May require occasional travel between locations or client sites.

Ability to participate in audit meetings, compliance reviews, and cross-functional teams

workshops.

May occasionally support after-hours compliance activities related to audits, assessments,

or remediation efforts.

Do you have experience in Windows?, Do you have a Associate's degree?, Bachelor's or Master's degree in Information Technology, Cybersecurity, Information Systems,

Risk Management, Business Administration, Computer Science, or a related field; OR

Equivalent combination of education, training, and relevant work experience.

Experience

5+ years of experience supporting enterprise network infrastructure and network security

environments.

Experience providing L2/L3 network support in enterprise environments.

Strong experience with firewall administration, preferably Palo Alto Networks.

Experience supporting routing, switching, and network security technologies.

Experience working in industrial, manufacturing, energy, utilities, or OT environments is

highly preferred.

REQUIRED KNOWLEDGE, SKILLS, AND ABILITIES

Technical Skills

Strong understanding of TCP/IP, DNS, DHCP, VLANs, routing, switching, and network

protocols.

Expertise in Palo Alto firewall administration and security policy management.

Knowledge of VPN technologies, NAT, network segmentation, and micro-segmentation.

Experience with firewall hardening, patching, and vulnerability remediation.

Familiarity with industrial networking and Operational Technology (OT) environments.

Understanding of cybersecurity frameworks, risk management, and compliance

requirements.

Experience in monitoring and troubleshooting enterprise network infrastructure.

Knowledge of network performance monitoring and security tools.

Professional Skills

Strong analytical and troubleshooting skills.

Ability to diagnose and resolve complex network and security issues.

Excellent communication and documentation skills.

Strong organisational and time-management abilities.

Ability to manage multiple priorities in a fast-paced environment.

Ability to work independently and collaboratively across cross-functional teams.

Strong customer service and stakeholder management skills., * Network support: 3 years (Required)

Pulled from the full job description

• Health insurance
• 401(k) matching
• Paid time off
• Vision insurance
• Dental insurance, * 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Vision insurance