Network Security Engineer

1 day ago

New York, United States Lincoln IT Full time
Job DescriptionJob DescriptionWe are currently seeking for a Network Security Engineer with a minimum of 3-5 years of hands-on experience. Manage our network segmentation and network visibility solution.

Responsibilities:
    • Routing protocols EIGRP, OSPF, and BGP; configuring, troubleshooting, typical show commands to research issues.
    • Racking and stacking Cisco 2900, 3700, 3600, 3800, 4500, 6500 series switches.
    • Upgrading firmware on Cisco switches.
    • Engage with Engineering, Medical, PCI Compliance and application development teams to determine segmentation requirements.
    • Engage with vendors to determine segmentation requirements for their products.
    • Troubleshooting of any issues that occur because of segmentation.
    • Broker after hours outage time with stakeholders for network segmentation changes.
    • Site surveys of systems/devices that will be segmented.
    • Handle escalated tickets regarding segmentation and network visibility.
    • Onsite support for afterhours segmentation changes.
    • Troubleshoot integration issues with other systems.
    • Troubleshoot communication issues between the overlay and underlay of our network segmentation solution.
    • Collaborate with rest of network department to ensure their systems remain stable as we add security measures.
    • Support Radiology doctors with their remote access devices. Configure new devices onsite for new doctors.
    • Participate in Change control process and peer reviews.
    • Tools for upgrading firmware on Cisco switches; TFTP and FTP server, thumb drive.
    • Configuration of Cisco switches in command line via console and SSH.
    • Working knowledge of Cisco Catalyst linecards; multi-gig copper and fiber cards, supervisors.
    • Deep understanding of Layer 1 concepts, configuration, and troubleshooting;
    • Working knowledge of Power over Ethernet; verification of power being provided to devices, PoE power budget on a switch.
    • Deep understanding of Layer 2 concepts, configuration, and troubleshooting; spanning tree, root bridge, BPDU, designated ports, root ports, trunk and access ports, rapid spanning tree, ieee, MST, VLAN, Layer 2 extension, CDP, LLDP, MAC address, CAM and TCAM table, DHCP snooping.
    • Deep understanding of Layer 3 concepts, configuration, and troubleshooting;
    • Deep understanding of Layer 4 concepts, configuration, and troubleshooting;
    • Deep understanding of Layer 7 concepts, configuration, and troubleshooting;
    • Deep understanding of first-hop redundancy protocols; HSRP, GLBP, VRRP.
    • Deep understanding of IPv4 addressing, variable length subnet masks, summarization.
    • Fiber plant management; installing fiber patch cords, troubleshooting link issues, working knowledge of multi-mode and single-mode fiber cabling.
    • Copper plant management; installing CAT5/5e/6 patch cords, 568A/B termination, knowledge of straight through, cross-over, rollover cabling, usage of a tone generator and tracing copper cabling from Location A to Location Z.
    • Working knowledge of Cisco fiber transceiver types; SFP, SFP28, QSFP; and wavelength types; 850nm, 1310nm, SX, LX, SR, LR, LR4, 1-gig, 10-gig, 25-gig, 100-gig.
Skills & Experience:
  • 5+ years' experience in network engineering
  • Bachelor's degree
  • CCNA, A + and Network + certification is strongly recommended
  • In-depth knowledge of Networking and Security.
  • Knowledge of Security best practices.
  • Experience working with Firewalls, Routers, Switches, Access points and Voice over IP phones.
  • Excellent communication skills will need to converse with various technical and non-technical teams.
  • Flexibility to work after hours on changes.
  • Experience with network segmentation and Zero-trust architecture is a plus.
  • Experience with a SASE solution is a plus.
  • Worked in a hospital setting before is a plus.


   Company Overview
Founded in 1998, Lincoln Computer Services is a growing custom IT solution provider, servicing New York City and Long Island, New York. If you are interested in working for a growth-oriented company with a culture that exudes collaboration, integrity and a passion for technology, submit your resume today

 

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