Senior Network Architect

Explore opportunities with Holston Medical Group , part of the Optum family of businesses. Holston Medical Group combines the personal feel of a community-based practice with the strength, resources and career opportunities of a leading national health care organization. As a multispecialty clinic offering care across northeast Tennessee and southwest Virginia, our teams deliver high-quality, value-based care that exceeds expectations while making care easier, more affordable and more accessible. Join us and discover the meaning behind Caring. Connecting. Growing together.

General Summary: The Senior Network Architect (SNA) is responsible for leading the process that aligns the networking technology foundational components to business system initiatives. The SNA works closely with the CTO and serves as a subject matter expert (SME), possessing a broad knowledgebase with a focus on strategic technologies including Cisco Networking technologies (LAN, WAN, Data Center, VoIP, Wireless, and Security), Palo Alto, NetScaler, and similar non-Cisco technologies. Responsible for design, documentation, and administration of the end-to-end network environment.

Main Responsibilities:

• Support a highly available Cisco Medical Grade Network
• Support a highly available Cisco Call Manager telephony infrastructure
• Support wireless infrastructure and emerging 802.11 standards
• Proactively configure and maintain firmware for all network devices
• Monitor and ensure network configuration backups
• Perform daily monitoring of the network environment
• Secures the environment via patching, MFA, threat prevention, detection, and remediation
• Identify and resolve network related problems and performance issues
• Support change control and change requests received for the network environment
• Research new technologies, recommend enhancements and configuration changes to improve and optimize the network environment
• Document policies and procedures to support the network environment and participate in the design and ongoing refinement of procedures and policies (ITIL)
• Interface with users, external vendors, and customers as necessary
• Coordinate and collaborate with other Information Technology Teams
• Ability to lead a project team and mentor others via best practices
• Ability to work nights and weekends as required and participates in on-call rotation

Education/Experience:

• Associate or bachelor’s degree preferred (or equivalent experience) in computer science or related field
• 10+ years’ experience in Information Technology, preferably in a progressive healthcare environment

Knowledge (Strongly Preferred):

• Understanding of PRI, T1, POTS, MetroE and Dark Fiber
• Experience supporting structured cabling (CAT6/7 and OM3/4)
• Understanding of TCP/IP, subnetting, VLSM and Route Summarization
• CDP, LLDP, and EtherChannel (LACP/PAGP)
• First hop protection mechanisms HSRP, VRRP and GLBP
• RSTP, BPDUGuard, UDLD, DHCP Snooping, Port Security, DAI and 802.1X
• Static and dynamic routing protocols such as RIP2, OSPF, BGP and EIGRP.
• Cisco Data Center design (FEX, L2TPv3, VPC, VDC, Fabric Path, ACI)
• Wireless standards - 802.11a/b/g/n/ac/ax, 11i, 11e, WPA2/3, EAP, PEAP
• Cisco wireless controllers, CAPWAP, Clean Air, Location, and monitoring
• AAA via RADIUS and TACACS
• Cisco QOS (COS, DSCP, shaping, queuing, policing, marking)
• Multicast Routing (PIM-Sparse, IGMP, Anycast RP and MSDP)
• Cisco Call Manager based voice infrastructure (CUCM, CUC, UCCX, SRST, CME, CUE)
• VoIP (SCCP, SIP, H.323, G.711u, G.729, MGCP, TDM. E.164)
• Cisco UCS and MDS connectivity best practices
• MPLS, VPLS, LDP, and VRF
• Cisco and Palo Alto multi-tenant security system design and implementation
• Load balancing and proxy caching
• Antivirus and host-based security
• Understanding of Windows administration
• Understanding of Microsoft server and related connectivity (DHCP/DNS/WINS)
• Understanding of ESXi and related connectivity
• Understanding of data center design (power distribution, cabling, cooling)
• Understanding of high availability, disaster recovery, business continuity, RTO, RPO.
• Strong analytical and problem-solving skills
• Strong team player – collaborates well with others; applies knowledge to coach and mentor others
• Excellent organizational, communication, interpersonal, and time-management skills with the ability to multi-task and prioritize own work
• Cisco, Microsoft, CompTIA, and VMware certifications a plus

Physical/Mental Demands: To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Essential :
Communication with others to exchange or express information and ideas. Ability to receive detailed information through oral communication, and to make fine distinctions in sounds. Determine the accuracy, neatness, thoroughness of the work assigned and perceive general observations. Must be able to remain in a stationary position at least 75% of the time. Extending the hands and arms in any direction. Constantly operates a computer and other office productivity machinery, such as copy machine, and computer printer. Perform a variety of duties, often changing from one task to another of a different nature. Make appropriate job decisions following standard office policies and past precedents. Adjust priorities quickly as circumstances dictate. Work independently and identify potentially more effective methods of work operations. Ability to interact appropriately with colleagues for different purposes and in different contexts.

Marginal: Sedentary work that includes moving objects up to 10 pounds. Observing an area that can be seen up and down or to right or left while eyes are fixed on a given point. Ability to identify and distinguish colors.

Disclaimer: The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of personnel so classified. Management reserves the right to revise the job or to require that other or different tasks be performed as assigned.

All job requirements are subject to possible revision to reflect changes in the position requirements or to reasonably accommodate individuals with disabilities.

Equal Opportunity Employer


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