Network Security Analyst

The Corporation of the County of Lambton; Plympton-Wyoming; On-site; CAD 90,000 - 130,000; Full time

Job summary

The Corporation of the County of Lambton is seeking a Network Security Analyst to safeguard its networks, devices, cloud services and systems from cyber threats. You will monitor alerts, assess risk, contain incidents, and coordinate remediation with IT and third‑party security specialists.

With a focus on vulnerability management, secure patching, and security awareness programs, you will also contribute to training and reporting, maintaining ties with organizations like the Canadian Centre for

Qualifications

• Completion of post-secondary education in Cyber Security, Computer Science, Computer Engineering, Network Engineering, Information Technology, or related field.
• A recognized cyber security certification such as CompTIA Security+, ISC2 SSCP, CISSP, GIAC S.E., GCIH, or Microsoft SC-200 is preferred or must be obtained within an approved period.
• A current Cisco certification (CCNA/CCNP) or equivalent asset.
• Related certifications in Microsoft Azure, Microsoft 365, Entra ID, cloud security or IT service management are assets.

Responsibilities

• Assist the Corporate Manager, Information Technology and Network Security and Infrastructure Supervisor as applicable.
• Monitor, triage, investigate, document, contain, resolve, and escalate security alerts and incidents with SIEM, EDR, IDS/IPS, firewall, and cloud tools.

Skills

Cyber security operations

Network security

Incident response

Firewall management

VPN/Remote access

Azure & Entra ID

PowerShell|Python scripting

Security analytics

IAM/Identity and access

Education

Cyber security/related degree

Security certifications (Security+, SSCP, CISSP, GIAC, SC-200)

CCNA/CCNP or equivalent networking cert

Azure/M365/Entra ID certifications

Tools

SIEM/EDR platforms

Firewall technologies

Active Directory/Entra ID

Cloud security tools

Job description

About Us

The County of Lambton is located in Southwestern Ontario, nestled along Lake Huron and the St. Clair River, next to the state of Michigan and is home to a diverse and welcoming population of approximately 128,000 residents.

The Corporation of the County of Lambton is one of the area’s largest employers with approximately 1,300 employees. The County’s seven divisions deliver hundreds of services and programs to our residents, such as emergency medical services, provincial offences court, three long‑term care homes, 25 library branches, three museums, an art gallery, archives, public works, public health services, social services, planning and building services.

We are committed to sustainability, economic growth, environmental stewardship and an enhanced quality of life through the provision of responsive and efficient services and collaborative efforts with our municipal and community partners.

About the Role

The Network Security Analyst is responsible for the security systems and infrastructure used to monitor the County's networks, devices, cloud services, and systems for cyber threats. The position monitors and responds to detected security events, analyzes alerts and supporting evidence, assesses risk and impact, contains and resolves incidents within delegated authority, and escalates complex or high‑risk incidents to third‑party security specialists and management.

The Analyst recommends, implements, administers, and works with security software and service vendors to protect networks, systems, applications, identities, and endpoints. The Analyst coordinates vulnerability remediation and secure patching with the IT team; develops and delivers cyber security awareness and training programs; reports on the effectiveness of those programs; and maintains relationships with organizations such as the Canadian Centre for Cyber Security to identify emerging threats and support proactive protective action.

The Analyst also performs network administration and provides operational backup to the Server Administrator and Cloud & Active Directory Administrator, including telephony support, when vacation coverage, incidents, projects, or priorities require additional resources.

Duties and Responsibilities

The Network Security Analyst assists the Corporate Manager, Information Technology and the Network Security and Infrastructure Supervisor, as applicable.

What We're Looking For

Minimum Formal Education

• Completion of post‑secondary education in Cyber Security, Computer Science, Computer Engineering, Network Engineering, Information Technology, or a related field.
• A recognized cyber security certification such as CompTIA Security+, ISC2 Systems Security Certified Practitioner (SSCP), ISC2 Certified Information Systems Security Professional (CISSP), GIAC Security Essentials (GSEC), GIAC Certified Incident Handler (GCIH), or Microsoft Certified: Security Operations Analyst Associate (SC‑200) is preferred or must be obtained within a period approved by the County.
• A current Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP Enterprise), or equivalent enterprise networking certification is considered an asset.
• Related certifications in Microsoft Azure, Microsoft 365, Active Directory, cloud security, incident response, vulnerability management, digital forensics, privacy, or IT service management are considered assets.

Experience

• Minimum of five years of relevant experience in cyber security operations, network security, network administration, systems administration, or a combination of these areas within a complex, multi-site environment.
• Hands‑on experience monitoring, triaging, investigating, documenting, containing, resolving, and escalating cyber security alerts and incidents using security information and event management, endpoint detection and response, managed detection and response, intrusion detection and prevention, firewall, identity, email, cloud, and vulnerability‑management technologies.
• Experience coordinating vulnerability remediation, secure patching, configuration hardening, risk and impact analysis, incident recovery, root‑cause analysis, and follow‑up actions with technical teams and third‑party specialists.
• Strong working knowledge of enterprise network technologies, including switches, routers, firewalls, wireless networks, VPNs, network access control, content filtering, load balancing, DNS, DHCP, TCP/IP, IPv4/IPv6, VLANs, routing, quality of service, and VoIP/SIP.
• Experience configuring, supporting, monitoring, and troubleshooting LAN, WAN, wireless, internet, cloud‑connected, and remote‑access networks.
• Working knowledge of Windows and Linux servers, virtualization, storage, backup and recovery, Active Directory, Entra ID, Azure, Microsoft 365, Intune, endpoint management, and identity and access management.
• Knowledge of recognized security practices and frameworks such as the CIS Controls, NIST Cybersecurity Framework, and ISO/IEC 27001, together with applicable security, privacy, and records‑management obligations.
• Experience developing and delivering cyber security awareness, role‑based training, phishing simulations, communications, and program‑effectiveness reporting is preferred.
• Experience preparing security metrics, management reports, technical documentation, response playbooks, standards, procedures, diagrams, and recommendations.
• Experience with PowerShell, Python, APIs, query languages, or other scripting and automation technologies used for investigation, reporting, and infrastructure administration is an asset.
• Excellent analytical, judgement, problem‑solving, organizational, project‑management, oral, written, consultative, coordination, and interpersonal skills, including the ability to communicate technical risk clearly to non‑technical audiences, senior management, and County Council when requested.

Other

• Weekend on‑call work is a requirement for this position.
• A valid Ontario Driver’s licence and use of a vehicle are required.