Network Security Engineer - NYC
NYC, NY
Contracted
Mid Level
We 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:
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!
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.
- 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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