Network Security Engineer (F5)

Network Security Engineer

12 mo. contract, extensions possible

Benefits available from Day 1

Hybrid, 1 day/wk. onsite in Branchburg, NJ

Role Overview

As a Network Security Engineer, you will lead the end-to-end deployment of F5 firewalls and secure network infrastructure. You will bridge the gap between high-level architectural design and hands-on implementation, ensuring our network remains robust, scalable, and secure. This role is ideal for a proactive engineer who enjoys a mix of hardware deployment, advanced configuration, and cutting-edge automation.

Key Responsibilities:

• Deployment: Execute the full lifecycle deployment of F5 firewalls
• Troubleshooting: Perform deep-dive L1–L3 network analysis to resolve complex connectivity and performance issues.
• Optimization: Utilize NMS, SIEM, and SNMP-based tools to monitor network health and report on performance metrics.
• Modernization: Integrate Ansible and AI-driven workflows to accelerate deployment timelines and reduce manual overhead.

Minimum Qualifications:

• 2+ years of advanced config/admin with F5 and/or Juniper SRX.
• 1–2 years' experience with Nokia (preferred), Juniper, or Cisco systems.
• Expertise in L1/2/3 troubleshooting, network architecture.
• Proficiency in SNMP, NMS, SIEM, and element management systems.
• Familiarity with Linux, Virtualization, Proxies, and WAN Optimization.
• Ability to translate complex technical issues into actionable insights for both technical and non-technical stakeholders.
• Proven ability to multitask in high-pressure environments with strong project management and documentation skills.

Preferred Qualifications:

• Experience with Ansible or similar orchestration platforms to streamline network tasks.
• Experience developing AI Agents or LLM-based tools to automate deployment workflows.
• Relevant F5 (F5-CA/CTS) or Juniper (JNCIA/JNCIS) certifications.

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to [email protected].

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