What are the responsibilities and job description for the Senior Network Engineer position at Trebecon LLC?
Hi,
Hope you are doing well.
My name is Mahesh Patel and I''m a US IT recruiter at Trebecon LLC. Our records show that you are an experienced Senior Network Engineer and relevant to one of my current openings below.
Kindly review the job description (JD) below and let me know your interest. Also share your updated resume with contact details.
Senior Network Engineer – L3 Operations (Hybrid)
Location: Princeton, NJ OR Quincy, MA
Work Model: Hybrid (2–3 days per week onsite)
Overview
We are seeking a Senior Network Engineer to join the Global Network Operations team supporting a large-scale, highly available, secure enterprise environment. The ideal candidate will have extensive experience supporting complex network infrastructures within banking, financial services, or similarly regulated mission-critical environments.
This role requires strong L3 operations expertise, advanced routing knowledge, firewall administration, network automation, and the ability to troubleshoot complex production issues impacting global network services.
Required Experience
· 8 years of enterprise network engineering experience.
· Experience supporting large-scale, complex, highly available, secure environments (Banking, Financial Services, Investment Management, Insurance, or similar regulated industries preferred).
· Strong L3 Operations and production support background.
· Ability to work onsite 2–3 days per week in Princeton, NJ or Quincy, MA.
Technical Skills
· Expert-level knowledge of:
o BGP (including route policies, path selection, loop prevention, route reflectors, troubleshooting)
o OSPF
o EIGRP
o Enterprise routing and switching architectures
· Hands-on experience with:
o Cisco Nexus 9000 (Nexus 9K)
o Palo Alto Firewalls
o Cisco Firewalls
o Fortinet Firewalls
· Experience performing:
o Firewall code upgrades
o Firewall policy reviews, audits, and rule changes
o Network security implementations and troubleshooting
· Experience deploying and supporting:
o Zscaler Private Access (ZPA)
· Strong Python scripting skills for:
o Network automation
o Deployment automation
o Operational troubleshooting
o Process optimization
Responsibilities
· Provide L3 Operations support for complex enterprise network environments.
· Investigate, troubleshoot, and resolve network incidents affecting connectivity, performance, and availability.
· Design, engineer, and implement network solutions across routing, switching, security, and access control domains.
· Support Incident Management, Change Management, Request Fulfillment, Event Management, and Problem Management processes.
· Perform root cause analysis and drive permanent corrective actions.
· Monitor and optimize network performance, reliability, and capacity.
· Participate in network capacity planning and large-scale infrastructure modeling.
· Execute firewall upgrades, policy audits, and security-related network changes.
· Develop automation solutions using Python to improve operational efficiency.
· Create and maintain technical documentation, standards, and operational procedures.
· Collaborate with engineering, security, and infrastructure teams to improve network stability and resiliency.
Preferred Background
· Financial Services, Banking, Capital Markets, Trading, or other highly regulated enterprise environments.
· Experience supporting global network infrastructures with strict uptime and security requirements.
· Strong understanding of enterprise security architecture and operational best practices.