Network Security Administrator

Job Title               : Network Security Administrator
Duration              : 6-12 months Contract (with possible extension)
Location: Marysville, OH
Location:
Scenario 1 – Dedicated Location (Two onsite Firewall Engineers in Marysville, OH)
Scenario 2 – Optional Flexible Location (Two onsite Firewall Engineers located anywhere in the U.S., provided they can commute to any location)
Candidate will be within published commute requirements of a customer manufacturing facility in CA, OH, NC, SC, IN, AL, or GA
 
Job Description:
Position Summary
The Network Security Administrator is responsible for protecting the organization’s network infrastructure through proactive monitoring, configuration, and management of next generation firewalls and related security technologies. This role focuses heavily on Palo Alto Networks and Cisco ASA/Firepower firewalls, ensuring secure and reliable connectivity across enterprise environments. The specialist will be a key contributor to incident response, threat mitigation, and continuous improvement of security controls.
 
Key Responsibilities
Firewall & Network Security Administration

• Configure, manage, and maintain Palo Alto Next Generation Firewalls (NGFW), including policies, objects, NAT rules, IDS/IPS policies, App ID, User ID, threat prevention profiles, and GlobalProtect software client, always on VPN and SASE principles.
• Administer and troubleshoot Cisco ASA, Cisco Firepower, and FTD devices, including ACLs, VPNs, and IDS/IPS policies.
• Perform regular firewall rule reviews, cleanup, and optimization to improve performance and reduce risk.

• Monitor network security alerts, traffic anomalies, and firewall logs using tools such as Panorama, Cisco FMC, SIEM platforms, and packet capture utilities.
• Investigate and remediate network based security incidents, coordinating with SOC or incident response teams as necessary.
• Perform security event correlation and escalation following established SOPs.

• Support secure network connectivity across data centers, branch sites, cloud environments, and remote access solutions.
• Troubleshoot layer 2/3 issues related to routing, switching, VPN tunnels, and connectivity impacts to security appliances.
• Assist in deploying secure architectures for new network builds, migrations, and cloud integrations.

• Overtime, frequency depends on business needs and support requirements for production infrastructure
• On call availability, PC equipment & access provided for quick response to incidents, anytime; providing support, troubleshooting & resolve remote or on-site

• Weekend and or adjusted shift required to execute & verify system changes for the application, Application hardware or software

• Open office environment, align with all plant policies and all required training
• On-Site current requirements are four days on-site with one day as remote capable if desired, 40+ hours weekly.
  • Candidate will be within published commute requirements of a Customer manufacturing facility in CA, OH, NC, SC, IN, AL, or GA

• Maintain accurate documentation of firewall configurations, network diagrams, and operational procedures.
• Assist with compliance activities related to frameworks such as NIST, ISO 27001, CIS, or PCI-DSS.
• Contribute to security hardening standards and best practice enforcement.

• 3–7 years of experience in network security operations or firewall engineering.
• Hands on experience with:
  • Palo Alto Networks NGFW (PA series), Panorama, and GlobalProtect.
  • Cisco ASA, Cisco Firepower, FMC, and site to site/remote access VPNs.
• Strong understanding of IP networking (TCP/IP, routing, switching, VLANs, BGP/OSPF, NAT).
• Experience with log analysis, packet captures, and troubleshooting tools (e.g., Wireshark).
• Knowledge of threat prevention technologies (IDS/IPS, URL filtering, DNS security, malware analysis).

• Relevant certifications such as:
  • PCNSE, PCNSA (Palo Alto)
  • CCNP Security, CCNA Security (Cisco)
  • Security+, CySA+, CEH, or GSEC
• Experience with SIEM tools (Splunk, Sentinel, QRadar).
• Familiarity with cloud security for Azure, AWS, or GCP.
• Scripting experience (Ansible, Python, PowerShell, or similar) for automation is a plus.

• Strong analytical and troubleshooting skills.
• Ability to prioritize and work in fast paced operational environments where production or system downtime requires immediate attention even if cause is unknown.
• Effective communication and documentation abilities.  Technical writing skills a plus.
• Security driven mindset with attention to detail.