Network Security Engineer

April 18, 2022
Houston, TX
Job Type


The Network Security Engineer (NSE) is responsible for the design, implementation, documentation, and operation of the network security tools and provides support to the Security operations team. This position is responsible and accountable for the technical aspects of the enterprise information security architecture, stability, and resiliency related to network security solutions. This position requires in-depth knowledge of current security practices, regulations, standards, configurations, and key technology. The successful candidate strives to enforce security best practices, policies, standards, and guidance to ensure the safeguard of proprietary data, physical infrastructure and resources from internal and external threats. The NSE will make things more secure by protecting system boundaries, keeping computer systems and network devices hardened against attacks and securing highly sensitive data. They will be a subject matter expert and technology leader in the security space with strong foundation of network security, including IDS/IPS, firewalls, and DDoS mitigation techniques.


  • Deploy, manage, and maintain network security tools
  • Designing and building custom policies within each tool to facilitate alerting and workflow requirements.
  • Assist in the management of End-Point protection solutions
  • Assist in network asset management
  • Assist in the management of HIDS/HIPS devices
  • Considered a subject matter expert in their field and is expected to stay current with various technologies, organizational goals and industry trends to drive value. Provide operational management and engineering of Firewalls, IDS/IPS
  • Maximize network security infrastructure performance through ongoing monitoring and troubleshooting
  • Investigate faults in the network security infrastructure
  • Monitor networks/logs/systems for security breaches or intrusion using the latest security tools and techniques such as SIEM, Vulnerability management, End-Point Security
  • Work with security team to perform tests and uncover network vulnerabilities
  • Help colleagues implement security infrastructure and understand information security management; as well as review network diagrams and identify security needs
  • Determine network security requirements by evaluating business strategies and requirements
  • Work with IT Project Management Office (PMO) on all assigned projects, where appropriate
  • Work with 3rd party vendors to complete projects or troubleshoot issues, as assigned
  • Monitor and manage the Enterprise domain controllers and DHCP, DMARC, SPF, DKIM
  • Attend staff meetings, as required
  • Perform additional duties as assigned


  • CompTIA A+, CompTIA Network+, CompTIA Security+ Certifications
  • Certified Meraki Network Operator Certification
  • 4 years of related work experience
  • HS diploma or GED
  • Hands on experience in security systems, including but not limited to (firewalls, intrusion detection systems, anti-virus software, authentication systems, log management, content filtering, etc.)
  • Experience with Networking and Firewalls: Palo Alto NextGen, Cisco Meraki, Cisco ASA, FortiGate
  • Experience managing 15+ FW in an Enterprise
  • Experience implementing and managing End-point protection using SCCM
  • Strong level of experience with Microsoft suite of Products, including Outlook, Word, Excel, PowerPoint, and Windows 10
  • Familiarity with Azure and AWS
  • Familiarity with SaaS solutions such as Salesforce, Workday, SAP, and Office 365
  • Experience in a professional work environment
  • Knowledge of external DNS management, VLANs, DHCP, WiFi, Backup, network segmentation, etc.
  • Attend relevant technical training and conferences to further develop technical skills and remain current
  • Apply knowledge of security principles, policy, and regulations to daily tasks

Desired Qualifications

  • Strong critical thinking and problem-solving skills
  • Self-starter that can work efficiently both independently and with teams
  • Ability to identify, analyze, and address problems to resolve issues in a way that minimizes negative impact and risk to the organization
  • Demonstrated ability to learn new technology or concepts quickly
  • Strong time management skills
  • Strong verbal and written communication skills
  • Strong ability to manage implementations of network security appliances
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