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Network/Firewall Engineer

F2Onsite

Oklahoma City, OK

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JOB DETAILS
SKILLS
Access Control, Analysis Skills, Background Investigation, Best Practices, CISM - Certified Information Security Manager, CISSP - Certified Information Systems Security Professional, Chartered Financial Analyst (CFA), Cisco ASA (Adaptive Security Appliance), Computer Firmware, Computer Maintenance, Computer Science, Computer Security, Corrective Action, Documentation, Employee Orientation, Firewall Administration, Firewalls, Hardware Installation, Incident Response, Information Technology & Information Systems, Internet Security, Intrusion Detection Systems, Intrusion Detection and Prevention (IDP), Juniper Networks Product Family, Maintain Compliance, Network Architecture/Engineering, Network Monitoring, Network Protocols, Network Routing, Network Security, Network Switching, Network Topology, On Site Support, Performance Tuning/Optimization, Presentation/Verbal Skills, Problem Solving Skills, Procedure Development, Regulatory Compliance, Reporting Skills, Root Cause Analysis, Security Analysis, Security Attacks, Security Information and Event Management (SIEM), Security Patches, Software Patches, State Laws and Regulations, Systems Administration/Management, Testing, Training/Teaching, Trend Analysis, VPN (Virtual Private Network), Writing Skills
LOCATION
Oklahoma City, OK
POSTED
1 day ago

Onsite Network/Firewall Engineer - Oklahoma City, OK 

  • Project Dates - June 2026 - December 2026 
  • 5+ years experience 

MINIMUM QUALIFICATIONS

  • Bachelor's degree in computer science, Information Technology, or a related field.
  • Three (3) years firewall administration and five (5) years Information Technology experience.
  • Possession of valid industry certifications, such as Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), or Certified Firewall Administrator (CFA).

PREFERRED QUALIFICATIONS

  • Experience with Palo Alto and Fortinet.

A Network and Firewall Engineer is also responsible for designing, implementing, configuring, and maintaining the firewall infrastructure to ensure the security and integrity of the network. This role is essential for safeguarding sensitive data, preventing unauthorized access, and mitigating security threats.

ESSENTIAL JOB FUNCTIONS

  • Configures, installs, and maintains firewall hardware and software solutions, including next-generation firewalls (NGFW), to protect the organization's network.
  • Develops, implements, and enforces firewall security policies, rules, and access controls to safeguard sensitive data and ensure compliance with industry regulations.
  • Monitors network traffic for suspicious activities, security breaches, and vulnerabilities using intrusion detection and prevention systems (IDPS).
  • Responds to security incidents and breaches promptly, investigates root causes, and implements corrective actions to prevent future occurrences.
  • Analyzes firewall logs and generates reports to identify security threats, trends, and potential vulnerabilities.
  • Manages user access and permissions by configuring VPNs, ACLs, and other access control mechanisms.
  • Ensures firewall hardware and software are up to date by applying patches, firmware updates, and security patches.
  • Implements network segmentation to isolate critical assets and limits lateral movement in the event of a breach.
  • Monitors and optimizes firewall performance to ensure it does not adversely affect network speed or latency.
  • Maintains accurate documentation of firewall configurations, policies, and network diagrams for reference and audit purposes.
  • Collaborates with other IT teams, such as network engineers, system administrators, and security analysts, to ensure a cohesive and secure network environment.
  • Provides training and guidance to employees and IT staff on firewall security best practices and security awareness.
  • Configures and monitors firewalls.
  • Monitors daily usage, performs regular maintenance, and patches as needed.
  • Troubleshoots complex errors and configurations to determine root cause.
  • Creates documentation of procedures, configurations, and network topologies.
  • Stays abreast of changes and processes for compliance to ensure requirements are met.

KNOWLEDGE, SKILLS, AND ABILITIES

  • Knowledge and experience in firewall administration, network security, and intrusion detection/prevention systems.
  • Knowledge of Firewalls (e.g., Cisco ASA, Palo Alto, Juniper, Fortinet), Intrusion Detection and Prevention Systems (IDPS), VPN technologies, Network monitoring and logging tools, Security Information and Event Management (SIEM) systems, Access Control Lists (ACLs) and Network segmentation techniques.
  • Knowledge of firewall technologies, including both hardware and software solutions; staying abreast of the latest cybersecurity threats and industry best practices.
  • Knowledge of network protocols, routing, and switching.
  • Skill in analysis and problem-solving to identify and respond to security threats.
  • Skill in verbal and written communications.
  • Ability to work in a fast-paced, dynamic environment and adapt to changing security threats.

PREFERRED QUALIFICATIONS

  • Experience with Palo Alto and Fortinet.

Additional Information

  • All candidates are encouraged to apply, but many positions require a strict drug and background check by our customers.
  • F2OnSite supports and adheres to all state laws regarding background checks.

About the Company

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F2Onsite

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