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IT Network Engineer
Job in
Tucson, Pima County, Arizona, 85718, USA
Listed on 2026-09-25
Listing for:
Paragon Space Development Corp.
Full Time
position Listed on 2026-09-25
Job specializations:
-
IT/Tech
Cybersecurity, Network Engineer, Systems Engineer
Job Description & How to Apply Below
Position Summary:
The Senior Network Engineer is responsible for the design, implementation, and management of the organization’s enterprise network with a strong focus on Cisco technologies. This role oversees advanced network security controls, access solutions, and infrastructure reliability across all sites.
Key Responsibilities- Design, deploy, and optimize Cisco network infrastructure including switches, routers, firewalls, WLCs, and related technologies.
- Lead administration of Cisco Identity Services Engine (ISE) and 802.1X authentication for wired and wireless access.
- Manage and support dynamic routing protocols (EIGRP, OSPF, BGP), site-to-site and remote-access VPNs, WAN connectivity, and hybrid cloud network integrations (including secure connectivity to cloud providers).
- Maintain network availability, security, and performance through proactive monitoring, lifecycle planning, and capacity forecasting.
- Implement and enforce network security controls, segmentation strategies, and secure configuration baselines.
- Collaborate with IT and security leadership to design network architectures and present proposed solutions.
- Serve as technical lead for infrastructure projects, upgrades, and enterprise network initiatives.
- Provide advanced troubleshooting support for escalated incidents.
- Maintain accurate documentation, diagrams, inventory, and operational procedures.
- Participate in on call; occasional travel to remote sites as needed.
- Bachelor’s degree or equivalent professional experience.
- 7+ years of progressive network engineering experience in enterprise environments.
- Advanced hands-on experience with Cisco networking platforms, including ISE, WLC, 802.1X, and VPN technologies.
- Strong expertise with LAN/WAN architectures and dynamic routing (EIGRP, OSPF, BGP).
- Proficiency supporting Windows Server, Windows client networks, and Linux-based systems.
- Demonstrated experience with DNS, DHCP, certificates, and core network services.
- Solid understanding of cybersecurity best practices and network hardening.
- Current Cisco CCNA certification required.
- Ability to lift to 50 lbs and work in varied environments.
- Cisco CCNP, CCNP Security, or equivalent advanced certifications.
- Experience with Windows Server 2019 or newer.
- Experience supporting compliance frameworks such as NIST, PCI, SOX, or FISMA.
- Virtualization experience is a plus.
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