Senior Network Security Engineer

Eliassen Group; Frankfort (KY); Remote; USD 83,000 - 124,000; Full time

Job summary

Eliassen Group seeks a Senior Network Security Engineer to secure, scale, and strengthen a global network infrastructure. The role focuses on Palo Alto Networks platforms, firewall architecture, segmentation, secure remote access, VPN, threat prevention, and security policy enforcement.

The engineer will own complex initiatives and partner with Network Engineering, Cloud and Infrastructure, and Cybersecurity teams. This is a contract-to-hire opportunity.

Qualifications

• 6+ years of experience engineering and supporting network security solutions in complex production environments.
• Advanced hands-on experience with Palo Alto Networks technologies, including PAN-OS and Panorama.
• Strong knowledge of firewall policy, segmentation, NAT, VPN, threat prevention, routing, switching, and network troubleshooting.
• Experience supporting enterprise network platforms such as Juniper Junos, Cisco NX-OS, or Arista EOS.
• Experience with network automation or infrastructure-as-code using tools such as Terraform, Ansible, Python, or Bash.
• Ability to independently own complex technical initiatives and troubleshoot high-impact network and security issues.
• Strong documentation, communication, and cross-functional collaboration skills.

Responsibilities

• Design, deploy, and maintain secure network architectures across data centers, offices, remote sites, and cloud-connected environments.
• Administer and optimize Palo Alto Networks technologies including PAN-OS, Panorama, GlobalProtect, Threat Prevention, URL Filtering, Application Control, and WildFire.
• Engineer and maintain firewall policy, segmentation, NAT, site-to-site VPN, remote-access VPN, and Zero Trust or SASE connectivity.
• Administer or support Network Access Control technologies and enterprise authentication controls.
• Analyze traffic and security logs, support vulnerability remediation, and participate in network-related incident response.
• Perform firewall upgrades, security hardening, and lifecycle maintenance aligned with change-management standards.
• Support routing, switching, WAN, and wireless infrastructure across data centers and global sites.
• Provide advanced troubleshooting for routing, firewall, connectivity, performance, and application-access issues.
• Support secure hybrid connectivity with Azure and AWS, including associated virtual firewall and routing technologies.
• Partner with infrastructure and cloud teams to incorporate network security requirements into solution designs.
• Coordinate with Palo Alto Networks, Juniper, and other vendors on escalations and technical issues.
• Automate repeatable network and security tasks using Terraform, Ansible, Python, or Bash.
• Develop and maintain configuration standards, network diagrams, runbooks, and technical documentation.
• Provide Tier 3 escalation support for outages, incidents, and complex network security issues.
• Mentor other engineers and share network security practices and troubleshooting methods.
• Participate in on-call rotations, planned maintenance windows, and emergency response when required.

Skills

Palo Alto Networks

Firewall policy

Network troubleshooting

Automation

Cloud networking

Documentation

Tools

PAN-OS

Panorama

GlobalProtect

Threat Prevention

URL Filtering

Application Control

WildFire

Job description

Senior Network Security Engineer

Anywhere

Type: Contract-to-Hire

Category: Engineer

Industry: Technology

Workplace Type: Remote

Standard Hours: Open

Reference ID: JN -102026-108896

Date Posted: 10/01/2026

Shortcut: http://careers.eliassen.com/seJ94N

Description

Remote

Our client seeks a Senior Network Security Engineer to secure, scale, and strengthen a global network infrastructure. The role will focus on Palo Alto Networks platforms, firewall architecture, segmentation, secure remote access, VPN, threat prevention, Network Access Control, and security policy enforcement. This senior engineering role supports data centers, offices, engineering environments, global WAN connectivity, and hybrid cloud infrastructure. The engineer will own complex technical initiatives and partner with Network Engineering, Cloud and Infrastructure, and Cybersecurity teams.

This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $60.00 to $90.00/hr. w2

JN -102026-108896

Responsibilities

• Design, deploy, and maintain secure network architectures across data centers, offices, remote sites, and cloud-connected environments.
• Administer and optimize Palo Alto Networks technologies including PAN-OS, Panorama, GlobalProtect, Threat Prevention, URL Filtering, Application Control, and WildFire.
• Engineer and maintain firewall policy, segmentation, NAT, site-to-site VPN, remote-access VPN, and Zero Trust or SASE connectivity.
• Administer or support Network Access Control technologies and enterprise authentication controls.
• Analyze traffic and security logs, support vulnerability remediation, and participate in network-related incident response.
• Perform firewall upgrades, security hardening, and lifecycle maintenance aligned with change-management standards.
• Support routing, switching, WAN, and wireless infrastructure across data centers and global sites.
• Provide advanced troubleshooting for routing, firewall, connectivity, performance, and application-access issues.
• Support secure hybrid connectivity with Azure and AWS, including associated virtual firewall and routing technologies.
• Partner with infrastructure and cloud teams to incorporate network security requirements into solution designs.
• Coordinate with Palo Alto Networks, Juniper, and other vendors on escalations and technical issues.
• Automate repeatable network and security tasks using tools such as Terraform, Ansible, Python, or Bash.
• Develop and maintain configuration standards, network diagrams, runbooks, and technical documentation.
• Provide Tier 3 escalation support for outages, incidents, and complex network security issues.
• Mentor other engineers and share network security practices and troubleshooting methods.
• Participate in on-call rotations, planned maintenance windows, and emergency response when required.

Experience Requirements

• 6+ years of experience engineering and supporting network security solutions in complex production environments.
• Advanced hands-on experience with Palo Alto Networks technologies, including PAN-OS and Panorama.
• Strong knowledge of firewall policy, segmentation, NAT, VPN, threat prevention, routing, switching, and network troubleshooting.
• Experience supporting enterprise network platforms such as Juniper Junos, Cisco NX-OS, or Arista EOS.
• Experience with network automation or infrastructure-as-code using tools such as Terraform, Ansible, Python, or Bash.
• Ability to independently own complex technical initiatives and troubleshoot high-impact network and security issues.
• Strong documentation, communication, and cross-functional collaboration skills.
• Preferred: Experience with GlobalProtect, Prisma Access, Cloud NGFW, SASE, or Zero Trust technologies.
• Preferred: Hands-on experience with Juniper routing and switching platforms.
• Preferred: Experience with Network Access Control platforms such as Aruba ClearPass or Mist Access Assurance.
• Preferred: Familiarity with 802.1X, RADIUS, certificate-based authentication, and enterprise wireless technologies.
• Preferred: Familiarity with Azure and AWS networking technologies.
• Preferred: Professional certification such as PCNSE, CCNP Security, CCNP Enterprise, JNCIS or JNCIP, or equivalent.
• Preferred: Experience supporting regulated, mission-critical, aerospace, defense, or engineering environments.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ([e-mail], 781-808-2924) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group's use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Aff...

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