Network Security Engineer

Liquid Brand


Job Location:

Irving, TX - USA

Monthly Salary: Not Disclosed
Posted on: 3 days ago
Vacancies: 1 Vacancy

Job Summary

Position Overview

The Network Security Engineer role sits within the Information Technology Department and exists to keep the organizations WAN LAN voice and cloud infrastructure running efficiently reliably and securely. While the role retains the full scope of traditional network engineering this description places heightened emphasis on cybersecurity operations and Microsoft Azure security reflecting the organizations continued shift toward hybrid and cloud-hosted infrastructure.

The successful candidate will partner with third-party providers and internal IT leadership to defend the network and cloud environment against malware intrusion and emerging cyber-threats; maintain firewalls identity controls and access policies; ensure reliable backups and disaster recovery; and act as a key contributor to the organizations overall security posture across both on-premises and Azure-hosted resources.

Cybersecurity & Azure Security Responsibilities (Primary Emphasis)

Lead and support efforts to harden the network and cloud environment against malware ransomware and intrusion including proactive identification of emerging cyber-threats and at-risk areas across LAN WAN WLAN SD-WAN and Azure-hosted workloads.

Design implement and maintain security controls within Microsoft Azure including Azure Active Directory / Entra ID Conditional Access policies Multi-Factor Authentication (MFA) Privileged Identity Management (PIM) and Azure role-based access control (RBAC).

Monitor and respond to alerts from Microsoft Defender for Cloud Microsoft Sentinel (or equivalent SIEM) and Helpdesk/security partner tooling escalating high-risk issues to IT Management in a timely manner.

Configure and maintain Cisco Meraki firewall security settings network segmentation (subnetting/VLANs) and access permission groups to enforce least-privilege principles across both on-premises and cloud resources.

Implement and maintain Azure network security components such as Network Security Groups (NSGs) Azure Firewall Azure VPN/ExpressRoute connections and Azure Bastion for secure remote access.

Support identity and access management initiatives including device hardening endpoint security single sign-on (SSO) and Group Policy enforcement for domain-wide computer and user security baselines.

Ensure secure regularly-tested backups of critical systems and servers including the organizations Nutanix hyper-converged and Cohesity backup environments with attention to ransomware-resilient and immutable backup practices.

Participate in vulnerability management and patching cycles (Microsoft Intune) prioritizing remediation of high-severity findings across servers network devices and cloud resources.

Maintain and continuously improve security documentation including network topology data flow incident response procedures and Azure security architecture diagrams.

Assist in security awareness initiatives and end-user training to reinforce safe computing practices and compliance with IT framework policies and procedures.

Support audits and compliance efforts related to data protection access control and cloud security standards providing evidence and documentation as required.

Core Network Engineering Responsibilities

Perform day-to-day networking tasks to ensure network reliability availability and serviceability with minimal interruption.

Provide technical support respond to work orders and tickets and analyze and resolve reported network problems.

Install and troubleshoot LAN WAN WLAN and SD-WAN connectivity including DNS DHCP and TCP/IP services.

Develop and maintain complex documentation for installation network topology and troubleshooting of communications hardware and software.

Work with the IT Team to coordinate and install server updates patches and certificates.

Maintain an enterprise-wide inventory of all server and network infrastructure assets including warranty status and lifecycle management.

Provide server systems support administration and documentation including Windows Server operating systems and hypervisor-based environments (Nutanix AHV).

Work with the Sr. Network Engineer to maintain and update the companys hyper-converged Nutanix solution and Cohesity backup solution.

Create and maintain IT-related end-user training documentation.

Participate in the on-call rotation as needed and required.

Demonstrate excellent time management and prioritization skills balancing routine tasks with urgent support and security needs.

Adhere to support and foster compliance with the IT framework policies and procedures across the user base.

Act as a strong team player who continually seeks to grow technical expertise and the scope of the role.

Knowledge Skills & Experience

Required Technical Skills

Strong working knowledge of cybersecurity principles including threat detection firewall management (Cisco Meraki and Fortigate) network segmentation and identity-based security controls.

Hands-on experience with Microsoft Azure security tools and services (Azure AD/Entra ID Conditional Access MFA NSGs Azure Firewall Defender for Cloud or Sentinel).

Ability to troubleshoot current Windows and Server operating systems including patching and hardware support.

Experience troubleshooting LAN WAN WLAN and SD-WAN environments (DNS DHCP TCP/IP).

Solid understanding of network segmentation (sub-netting) and VLANs.

Experience with a patch management solution (WSUS and/or Microsoft Intune) and structured vulnerability remediation.

Familiarity or working knowledge of hypervisor-based servers and computing; Nutanix AHV experience a plus.

Understanding of hybrid identity and access management concepts spanning on-premises Active Directory and Azure AD.

Desired Technical Skills

Microsoft Azure security certifications (e.g. SC-200 SC-300 AZ-500) or demonstrated equivalent experience.

Citrix XenApp Server support (Studio Director Storefront Apps).

Active Directory domain infrastructure and Group Policy administration for domain-wide computer and user policies.

NTFS file permissions and data access governance.

Security focus on device hardening endpoint protection and identity management across hybrid environments.

Experience with SIEM platforms security monitoring and incident response workflows.

Education & Experience

Minimum 10 years of experience working in an IT department performing similar duties with demonstrated exposure to network security and cloud security practices.

Professional certifications such as MCP A Network Security or Microsoft Azure security certifications (SC-200 SC-300 AZ-500) are preferred.

Working Environment

No special physical requirements for this position.

General office conditions.

Some light lifting and bending.

Periods of sitting.

Travel 20%


Required Experience:

IC

Position OverviewThe Network Security Engineer role sits within the Information Technology Department and exists to keep the organizations WAN LAN voice and cloud infrastructure running efficiently reliably and securely. While the role retains the full scope of traditional network engineering this d...

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Superior service. Unmatched professionalism. Guaranteed compliance. As the leader in non-hazardous liquid solutions, Liquid Environmental Solutions strives to be the choice for your environmental waste solutions, including any cooking oil separator.

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