Network Security Engineer

Our client is seeking a Network Security Engineer to join a collaborative technology team responsible for protecting enterprise infrastructure and strengthening cybersecurity operations across a complex environment. This role is ideal for an experienced security professional who thrives on solving challenging technical problems, implementing modern security controls, and partnering with cross-functional teams to reduce risk while maintaining reliable business operations.

This role is on-site in Phoenix, Arizona, Irvine, California, Portland, Oregon, or Tacoma, Washington.

Network Security Engineer Responsibilities

• Design, implement, administer, and optimize enterprise security technologies across on-premises, virtual, and cloud environments.
• Monitor, investigate, and respond to security incidents through alert analysis, malware investigation, network traffic review, and incident containment.
• Manage and enhance security solutions such as firewalls, intrusion detection and prevention systems, identity and access management, endpoint protection, vulnerability management, SIEM platforms, and related security technologies.
• Identify security risks, recommend remediation strategies, and implement controls that strengthen the organization’s overall security posture.
• Collaborate with infrastructure, networking, and systems teams to ensure secure, reliable, and compliant technology solutions.
• Lead or contribute to security projects, technology implementations, and continuous improvement initiatives.
• Develop and maintain security documentation, operational procedures, technical standards, and knowledge-sharing materials.
• Participate in an on-call rotation and provide support during security incidents or critical production issues.
• Stay current on evolving cybersecurity threats, emerging technologies, industry best practices, and applicable regulatory requirements.
• Mentor junior team members and provide technical guidance when appropriate.

• 4-7 years of experience administering enterprise cybersecurity technologies, with mid- to senior-level expertise preferred.
• Proven experience supporting enterprise security environments across physical, virtual, and cloud infrastructure.
• Strong knowledge of Active Directory, Windows server environments, and enterprise network architecture.
• Hands-on experience with technologies such as firewalls, IDS/IPS, SIEM, endpoint protection, vulnerability management, identity and access management, or related security platforms.
• Experience investigating and responding to security incidents, performing threat analysis, and implementing corrective actions.
• Solid understanding of networking concepts, layered security architecture, threat mitigation strategies, and cybersecurity best practices.
• Ability to independently troubleshoot complex technical issues while effectively prioritizing multiple initiatives.
• Strong communication and collaboration skills with experience working across technical teams.
• Bachelor’s degree in Information Security, Computer Science, or a related field preferred; equivalent professional experience will also be considered.
• Industry certifications such as GSEC, GCIH, CHFI, CompTIA Security+, CySA+, or similar security certifications are highly desirable.
• Previous experience within a financial services or highly regulated environment is a plus, but not required.