Network Engineer III - Lombard, IL, USA

We are seeking a full-time, remote Network Engineer III. The Network Engineer III is accountable for the analysis, design, implementation, administration, and support of Paradigm's firewall and network infrastructure. · Performs enterprise network engineering, administration, and ...

Job description

We are seeking a full-time, remote Network Engineer III.

The Network Engineer III is accountable for the analysis, design, implementation, administration, and support of Paradigm's firewall and network infrastructure.

Performs enterprise network engineering, administration, and support functions within a hybrid on‑premises and cloud environment.

This role operates as a senior individual contributor within the IT organization, helping to build, maintain, secure, and troubleshoot enterprise networking platforms in a dynamic and evolving environment.

The position requires strong technical competency, reliability in delivering mission‑critical infrastructure, and a continued focus on availability, performance, and security.

 
ESSENTIAL RESPONSIBILITIES include the following.  Other work-related duties may be assigned.
 
Firewall & Network Engineering

Design, implement, administer, and support enterprise firewall‑centric network infrastructure, including firewall platforms, routing, switching, and wireless technologies.
Engineer, configure, and maintain firewall policies, NAT rules, VPNs, and network segmentation to support business, security, and compliance requirements.
Implement secure network connectivity solutions across on‑premises data centers, cloud environments, and third‑party integrations.
Evaluate and improve network designs to enhance resiliency, scalability, and security posture.

Operations & Platform Support

Monitor firewall and network performance, availability, and capacity to ensure optimal operation of the enterprise environment.
Perform system tuning, troubleshooting, and maintenance of multi‑site network infrastructure.
Serve as a senior escalation point for complex firewall and network incidents.
Perform root cause analysis and implement corrective and preventive actions.

Security & Compliance

Implement and maintain network security controls aligned with Paradigm security standards and Zero Trust principles.
Partner with Information Security and GRC teams to support audits, risk assessments, and compliance initiatives.
Identify and remediate network vulnerabilities, misconfigurations, and security risks.
Participate in firewall and network‑related security incident response and remediation efforts.

Project Delivery & Change Management

Identify tasks necessary to achieve project goals and provide accurate work effort estimates.
Lead or contribute to complex network initiatives including upgrades, migrations, firewall refreshes, and modernization projects.
Execute network changes in accordance with established change management and operational processes.
Coordinate activities with internal teams and external vendors to ensure successful delivery of network solutions.

Documentation, Standards & Continuous Improvement

Create and maintain accurate documentation of firewall & network architectures, firewall configurations, and operational procedures.
Contribute to the development and enforcement of network standards, best practices, and lifecycle management processes.
Remain current on networking, firewall, and security technologies and recommend improvements aligned with business needs.

Collaboration & Mentorship

Work as part of a team of infrastructure engineers who collectively demonstrate strong technical competency and operational reliability.
Provide guidance and mentorship to junior network engineers.
Collaborate closely with server, cloud, application, and security teams to deliver integrated infrastructure solutions.


QUALIFICATIONS:

Education

Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field preferred, or equivalent experience.

Experience

6+ years of progressive experience in enterprise network engineering roles, with demonstrated senior‑level responsibility for firewall and network platforms.
Proven experience designing, implementing, and operating firewall‑centric network solutions in production environments.

Experience serving as a technical lead or primary owner for firewall and network initiatives, including upgrades, policy redesigns, or security‑driven changes.

Demonstrated experience supporting enterprise‑scale, multi‑site, or regulated environments.

Technical Competencies

Owning and operating next‑generation enterprise firewall platforms (e.g., Palo Alto, Fortinet, Check Point, or equivalent), including policy lifecycle management, platform upgrades, and high‑availability designs.

Advanced, hands‑on expertise with enterprise firewall platforms, including:
Security policy design and lifecycle management
VPN technologies (site‑to‑site and remote access)
NAT, segmentation, and traffic inspection

Strong expertise in enterprise networking fundamentals, including:
Routing and switching architectures
Network resiliency and high‑availability design
Core network services (DNS, DHCP)

Demonstrated ability to independently design and execute firewall and network changes in production environments.
Experience integrating on‑premises firewall and network infrastructure with cloud platforms (Azure and/or AWS).

Operational support of firewall and network controls protecting cloud workloads, including ingress/egress security, private connectivity, hybrid routing, and traffic inspection between on‑premises and cloud environments.

Proficiency with network monitoring, logging, troubleshooting, and packet analysis tools.

Security & Operational Competencies

Experience making risk‑based decisions related to firewall policy, segmentation, and network security controls in partnership with Information Security teams.
Strong understanding of network security principles, including Zero Trust concepts and defense‑in‑depth.
Experience assessing risk, implementing security controls, and participating in security incident response related to firewall and network infrastructure.
Ability to perform root cause analysis and implement long‑term corrective actions following incidents or outages.

Preferred Experience

Experience operating firewall and network platforms in regulated or compliance‑driven environments.
Experience leading or materially influencing firewall policy redesigns, segmentation initiatives, or security‑driven network changes.

Familiarity with firewall or network automation, configuration standardization, and infrastructure‑as‑code approaches (e.g., policy templating, version control, or CI/CD‑aligned change workflows).

Experience acting as a technical mentor or escalation resource for junior network engineers.

Relevant industry certifications, including firewall vendor certifications and/or CCNP‑level networking certifications.