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Temporary/Casual
Technology
Network Engineer Level 3 with Security Clearance
Visionary Technologies IncColumbia, MD🇺🇸United StatesPosted 14 Jul 2026
Quick Overview
Work Type
Hybrid
Schedule
Temporary/Casual
Level
Mid Senior
Job Description
This position will provide Network support requiring system level design, architecture or enterprise security and security boundaries, datacenter virtualization, CAN/MAN/LAN infrastructure packet capture software, TCP/IP protocol stack, routing/switching protocols, stateful firewalls, and L3/L4 access controls. Clearance
U.S. citizenship with an active TS/SCI with Polygraph clearance required. Required Skills:
Cisco IOS, CatOS, NxOS, filter and access control, Ciscoworks, TACACS+, ASA, FWSM, HP Openview, Cisco routers, Cisco Switches, F5/Cisco load balancers, Infiniband, Juniper, FiberChannel (FC) SAN, and VPN (IPSEC)
Physical installation and configuration, and troubleshooting of network routers, switches, load balancers and security devices.
Strong knowledge of TCP/IP protocol stack and routing and switching protocols.
Strong working knowledge of L2/L3 protocols.
Strong working knowledge of stateful firewalls, and L3 access controls.
Working knowledge of Atlassian Tool Suite.
Able to support on-call requirements.
Able to work in live call environment and utilize remedy and/or other ticketing system to track tasking.
Virtualization products; VMWare and Solaris containers
Qualifications:
Eight years demonstrable experience (with degree, or 13 without) in network engineering (LAN), architecture, monitoring, security, and protection.
Must have datacenter network design and architecture experience to include installation and configuration of Cisco routers, switches, firewalls, and IPSEC virtual private networks.
U.S. citizenship with an active TS/SCI with Polygraph clearance required. Required Skills:
Cisco IOS, CatOS, NxOS, filter and access control, Ciscoworks, TACACS+, ASA, FWSM, HP Openview, Cisco routers, Cisco Switches, F5/Cisco load balancers, Infiniband, Juniper, FiberChannel (FC) SAN, and VPN (IPSEC)
Physical installation and configuration, and troubleshooting of network routers, switches, load balancers and security devices.
Strong knowledge of TCP/IP protocol stack and routing and switching protocols.
Strong working knowledge of L2/L3 protocols.
Strong working knowledge of stateful firewalls, and L3 access controls.
Working knowledge of Atlassian Tool Suite.
Able to support on-call requirements.
Able to work in live call environment and utilize remedy and/or other ticketing system to track tasking.
Virtualization products; VMWare and Solaris containers
Qualifications:
Eight years demonstrable experience (with degree, or 13 without) in network engineering (LAN), architecture, monitoring, security, and protection.
Must have datacenter network design and architecture experience to include installation and configuration of Cisco routers, switches, firewalls, and IPSEC virtual private networks.
Skills
TCP/IP
VMware
iOS
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