Find & Apply For Network Engineer / Architect Jobs in Fair Lawn, New Jersey

L2/L3 Systems & Network Engineer Build Your Career with a Team That Has Your Back At Titanium IT, our culture is the foundation of our success. We are a close-knit team of technology professionals who believe great service starts with taking care of one another. We collaborate, share knowledge, celebrate wins, and step in when a teammate or client needs us. As a growing Managed Services Provider, we give talented engineers the opportunity to work across diverse client environments, solve meaningful technical challenges, and influence how technology is delivered. Your ideas matter here, your expertise is respected, and your growth is part of our growth. We are looking for an experienced L2/L3 Systems & Network Engineer who enjoys solving complex problems, taking ownership, mentoring others, and being part of a team that genuinely enjoys working together. If you want to do excellent technical work without feeling like just another ticket number, we would like to meet you. The Opportunity As an L2/L3 Systems & Network Engineer at Titanium IT, you will be a trusted senior technical resource for our clients and our internal team. You will have the autonomy to lead solutions, the support to tackle difficult challenges, and the opportunity to make a visible impact. You will design, implement, troubleshoot, and maintain network, server, virtualization, Microsoft 365, and cloud environments. The work is varied, hands-on, and never confined to a narrow lane. You will also lead escalations and contribute to infrastructure upgrades, migrations, deployments, and strategic client projects. Just as importantly, you will help elevate the engineers around you through clear communication, thoughtful documentation, and shared expertise. Your Responsibilities Will Include Design, configure, deploy, and troubleshoot firewalls, switches, routers, wireless networks, servers, and cloud infrastructure Serve as an escalation point for L1 and L2 engineers , providing advanced troubleshooting and technical guidance Troubleshoot LAN/WAN, routing, switching, VLANs, VPNs, DNS, DHCP, wireless, and Internet connectivity Configure and troubleshoot site-to-site IPsec VPNs and SSL VPNs Deploy, configure, and manage Fortinet/FortiGate and Cisco Meraki environments Support Windows Server, Active Directory, Group Policy, DNS, DHCP, and file services Support and troubleshoot Microsoft 365, Entra ID, Azure, and hybrid environments Manage and troubleshoot VMware and Hyper-V virtualization environments Perform server migrations, upgrades, infrastructure refreshes, and cloud migration projects Monitor network and systems performance, availability, capacity, and security Manage high-impact incidents and drive technical issues through resolution with minimal client disruption Conduct network and infrastructure assessments, audits, and performance tuning Work directly with clients, vendors, and internal teams to successfully deliver technical projects Maintain accurate network diagrams, system configurations, documentation, and technical procedures Mentor junior engineers and share technical knowledge with the team Participate in onsite implementations and provide onsite support when required Identify opportunities to improve network reliability, security, performance, and overall service delivery What We're Looking For 6+ years of hands-on IT infrastructure experience , preferably within an MSP or multi-client environment Strong hands-on experience deploying and managing Fortinet/FortiGate and Cisco Meraki — required Strong knowledge of firewalls, routing, switching, VLANs, wireless, NAT, ACLs, and network security Strong experience configuring and troubleshooting IPsec/site-to-site and SSL VPNs Solid understanding of networking technologies and protocols including TCP/IP, DNS, DHCP, BGP, OSPF, STP, LACP, and VoIP Strong experience with Windows Server and Active Directory Experience with Microsoft 365, Entra ID, and Microsoft Azure Experience supporting VMware and/or Hyper-V Experience with backup, disaster recovery, and business continuity solutions Familiarity with RMM and PSA platforms , such as NinjaOne/NinjaRMM and Halo PSA Ability to troubleshoot complex problems across network, server, virtualization, and cloud environments Ability to independently manage multiple client issues and projects in a fast-paced MSP environment Strong documentation and organizational skills Strong written and verbal communication skills Strong client-facing skills and professional communication Ability to mentor junior engineers and provide technical guidance Ability to take ownership of technical issues and drive them through resolution Preferred Experience Experience with any of the following is a strong plus:

Networking:

Cisco, Ruckus, Aruba, Ubiquiti Cloud:

Microsoft Azure, Azure Networking, Entra ID Virtualization:

VMware, Hyper-V Backup & Disaster Recovery:

Datto, Acronis, or similar platforms

Security:

MFA, Conditional Access, endpoint security, network security, and security best practices Industry certifications such as Fortinet certifications, Microsoft Azure Administrator, Microsoft 365, VMware, or equivalent certifications are a strong plus. Who Thrives Here The engineers who thrive at Titanium IT combine technical depth with humility, curiosity, and a true sense of ownership. They stay with a problem from beginning to end, communicate clearly, and know when to lead, when to collaborate, and when to ask for another perspective. You should be comfortable moving from a firewall or VPN issue to switching, wireless, Active Directory, Windows Server, cloud, or infrastructure migration work. You do not need to know everything—but you should enjoy learning, sharing what you know, and helping the team reach the best answer. We value engineers who are dependable, organized, client-focused, and proud of their craft. We work hard, support one another, and believe professionalism and hospitality belong together. Why Engineers Choose Titanium IT You will join a company where culture is not a slogan—it is how we work every day. We believe in white-glove service, unreasonable hospitality, honest communication, and treating employees and clients like family. You will be trusted to make an impact, supported when challenges get difficult, and recognized for the value you bring.

What you can expect:

• A team-first culture where people share knowledge, help one another, and celebrate success together
• Meaningful ownership of challenging technical work with the autonomy to lead solutions
• Continuous growth through broad technology exposure, professional development, and training assistance
• Visible impact on clients, service delivery, and the future of a growing MSP
• Competitive salary
• 401(k) with company matching
• Health, dental, vision, and life insurance
• Paid time off
• Flexible scheduling
• Employee discounts and referral program

Schedule & Work Location Job Type:

Full-time Schedule:

8-hour shift This is an in-person position based in Fair Lawn, NJ 07410 . Candidates must be able to commute to the Fair Lawn office and travel to client locations as needed for project implementations, troubleshooting, and onsite support. Ready to Build Something Great with Us? If you are an experienced Systems & Network Engineer looking for challenging work, genuine camaraderie, and a company where your contribution will be seen and valued, we would like to hear from you. Bring your experience, your ideas, and your drive to do exceptional work. Apply today and discover what it means to be part of the Titanium IT family.

Job Type:

Full-time Pay:

$70,000.00 - $80,000.00 per year

Benefits:

401(k) Dental insurance Health insurance Paid time off Vision insurance

Experience:

Help desk: 3 years (Required)

MSP:

2 years (Preferred) Intune /

Sharepoint:

3 years (Required)

Firewall:

3 years (Required) Ability to

Commute:

Fair Lawn, NJ 07410 (Required)

Work Location:

In person