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Senior Network Architect
Posted: 10/12/2025If you are a motivated and reliable person with exceptional customer service skills and the ability to thrive in a fast-paced environment, come join Holston Medical Group. We are looking for friendly, courteous employees to ensure a positive patient experience and welcome a teamwork environment.
WHAT WE OFFER:
- Company paid Life and Accidental Death and Dismemberment Insurance
- Company paid Long Term Disability Insurance
- 401(k) and Roth Retirement plan with Company Contributions
- Medical, Dental, Vision, and additional Life and STD Insurance
- Health Savings Account Plan with company contributions
- Paid time off
- Paid Sick time
- Paid Holidays
- Employee discounts
- And more!
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
"We are an Equal Opportunity Employer. We do not discriminate on the basis of race, religion, color, sex, age, national origin or disability."
Additional Postings available from Holston Medical Group
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