Network Engineer II; Onsite

JMARK is a leading provider of managed IT services, cybersecurity solutions, cloud technologies, and strategic IT consulting. Founded on the principle of People First. Technology Second., JMARK partners with businesses to transform technology into a true driver of growth, resilience, and competitive advantage.

With a focus on proactive strategies, exceptional customer experience, and business value, JMARK helps organizations reduce risks, increase efficiency, and plan for the future. Our team combines technical expertise with a people-centric approach, ensuring that every solution aligns with client goals, culture, and long-term success.

At the heart of JMARK’s philosophy are our core values:

• Honesty – honoring commitments and building trust
• Passion – loving what we do and where we do it
• Teamwork – working together to prevent problems and create solutions
• Excellence – exceeding expectations through initiative and follow-through
• Accountability – doing what we say we will do
• Fun – celebrating success and enjoying the journey

For more than three decades, JMARK has served as a trusted IT partner across industries, helping businesses thrive with secure, reliable, and future-ready technology solutions.

Are you a network professional who enjoys digging into complex problems, strengthening network security, and taking ownership of the technology environments you support?

JMARK Business Solutions is looking for a Network Engineer II to join our team as a dedicated onsite IT resource for one of our banking clients. You will be a JMARK employee while working primarily onsite at the client's location, becoming a trusted technology resource for the bank while remaining fully connected to JMARK's larger team of engineers, technical resources, and leaders.

This role is designed for someone who has progressed beyond foundational networking and is ready to take greater ownership of network infrastructure, security, troubleshooting, and proactive technology management.

Because you'll be supporting a banking environment, reliability, security, documentation, communication, and attention to detail matter.

At JMARK, our philosophy is simple:
People First. Technology Second.

We're looking for an engineer who understands that a stable and secure network isn't the end goal. The goal is helping the people and businesses relying on that network succeed.

As a Network Engineer II, you'll provide advanced onsite and remote technical support while helping maintain the security, stability, performance, and reliability of the client's technology environment.

You’ll work independently and alongside JMARK's Service, Engineering, Project, and Technical Assistance Center resources to:

• Troubleshoot and resolve advanced network, connectivity, infrastructure, and server issues.
• Respond to escalated technical issues from Level 1 resources.
• Diagnose issues onsite, remotely, and over the phone.
• Manage, maintain, troubleshoot, and support network infrastructure.
• Secure and manage network environments to protect productivity, mitigate threats, reduce risk, and improve stability.
• Administer and troubleshoot firewalls, switches, wireless networks, VPNs, and related network security technologies.
• Provide operational security support for the client's infrastructure.
• Monitor network health and proactively identify potential problems.
• Review network environments and service tickets to identify recurring or systemic issues.
• Resolve proactive issues when possible and engage Level 3 or specialized JMARK resources when necessary.
• Work with Project Managers and other technical resources on projects, implementations, and technology initiatives.
• Perform installations, upgrades, migrations, preventative maintenance, and infrastructure changes.
• Maintain a healthy service queue and ensure assigned issues continue moving toward resolution.
• Participate in JMARK's on-call rotation as assigned.

A significant part of this role is maintaining a reliable and secure network environment.

You should be comfortable working with technologies and concepts including:

• Firewalls, routers, switches, and wireless access points.
• VLANs and…