Job Description

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 We are currently seekingfor a Network Security Engineerwith a minimum of3-5years of hands-on experience. Manage our network segmentation and network visibility solution.
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  Responsibilities:
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    Routing protocols EIGRP, OSPF, and BGP; configuring, troubleshooting, typical show commands to research issues
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    Racking and stacking Cisco 2900, 3700, 3600, 3800, 4500, 6500 series switches
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    Upgrading firmware on Cisco switches.
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    Engage with Engineering, Medical, PCI Compliance and application development teams to determine segmentation requirements
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    Engage with vendors to determine segmentation requirements for their products
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    Troubleshooting of any issues that occur because of segmentation
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    Broker after hours outage time with stakeholders for network segmentation changes
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    Site surveys of systems/devices that will be segmented
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    Handle escalated tickets regarding segmentation and network visibility
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    Onsite support for afterhours segmentation changes
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    Troubleshoot integration issues with other systems
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    Troubleshoot communication issues between the overlay and underlay of our network segmentation solution
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    Collaborate with rest of network department to ensure their systems remain stable as we add security measures
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    Support Radiology doctors with their remote access devices. Configure new devices onsite for new doctors
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    Participate in Change control process and peer reviews
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    Tools for upgrading firmware on Cisco switches; TFTP and FTP server, thumb drive
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    Configuration of Cisco switches in command line via console and SSH
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    Working knowledge of Cisco Catalyst linecards; multi-gig copper and fiber cards, supervisors
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    Deep understanding of Layer 1 concepts, configuration, and troubleshooting;
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    Working knowledge of Power over Ethernet; verification of power being provided to devices, PoE power budget on a switch
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    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
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    Deep understanding of Layer 3 concepts, configuration, and troubleshooting;
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    Deep understanding of Layer 4 concepts, configuration, and troubleshooting;
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    Deep understanding of Layer 7 concepts, configuration, and troubleshooting;
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    Deep understanding of first-hop redundancy protocols; HSRP, GLBP, VRRP
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    Deep understanding of IPv4 addressing, variable length subnet masks, summarization
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    Fiber plant management; installing fiber patch cords, troubleshooting link issues, working knowledge of multi-mode and single-mode fiber cabling
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    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
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    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
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  Skills &amp; Experience:
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   5+ years' experience in network engineering
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   Bachelor's degree
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   CCNA, A + and Network + certificationis strongly recommended
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   In-depth knowledge of Networking and Security
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   Knowledge of Security best practices
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   Experience working with Firewalls, Routers, Switches, Access points and Voice over IP phones
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   Excellent communication skills will need to converse with various technical and non-technical teams
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   Flexibility to work after hours on changes
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   Experience with network segmentation and Zero-trust architecture is a plus
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   Experience with a SASE solution is a plus
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   Worked in a hospital setting before is a plus
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  Company Overview
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 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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