Senior Network Engineer (ONSITE)

Location: Buffalo (NY) | Employment Type: Full Time - 40 hours per week | Job Level: T6 | Work Preference: Onsite at work location address | Job Code: 245499 Job Description: Position Overview Work on a strategic network transformation initiative supporting a large regional integrated healthcare delivery environment. This senior technical role combines hands-on enterprise network engineering, site-level network discovery and assessment, NOC/Managed Services support, network security, and the transition toward a self-healing infrastructure model. The role will support environments spanning ambulatory practices, clinics, hospital campuses, data centers, and hybrid cloud connectivity. The successful candidate will operate independently, provide senior technical guidance, and contribute to standardized network configurations, remediation planning, automation, monitoring, and ongoing network operations. Work Location / Schedule Hybrid — On-site at client facilities with remote flexibility Travel: 25% travel is required for project work. What You'll Do Lead site-by-site network discovery across LAN, WAN, wireless, and data center environments, including on-site walkthroughs at Tier 1 hospital locations and remote assessment of Tier 2 and Tier 3 sites. Operate discovery tooling including Device42, Lansweeper, ServiceNow Discovery, and SolarWinds to produce standardized configuration item inventories and topology datasets. Analyze network topology, IP addressing, routing, switching, redundancy, and high-availability posture, correlating tool output with documentation and stakeholder input. Review perimeter and network security controls, including firewall rulebase hygiene, hybrid alert routing, and connectivity to vendor-hosted applications. Contribute to hardware lifecycle, software and firmware currency, and end-of-life/end-of-support risk reviews, with a focus on switch and router version standardization. Develop small-provider practice standards and standardized configuration templates for switch additions, network additions, and change activities. Support the risk register and 30-60-90-day remediation roadmap, with recommendations weighted by clinical impact and operational feasibility. Contribute to Mid-Engagement Checkpoint and Final Assessment Package deliverables. Serve as a senior technical resource within the NOC Managed Services model and provide Tier 3 escalation support for complex network issues. Own network change management execution, including switch adds, network adds, firewall rule changes, and routine site refresh activities. Support the transition toward a self-healing infrastructure model through automation development, runbook authorship, and monitoring uplift. Own the ongoing cadence for vulnerability review and code upgrade planning across switches, routers, and supporting network infrastructure. Collaborate with Network Management and clinical stakeholders on change planning and clinical-window coordination. Contribute to weekly, monthly, and quarterly governance reporting. Mentor junior engineers and NOC staff as the team scales. Required Qualifications Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent professional experience. Minimum 8 years of hands-on enterprise network engineering experience, including at least 3 years in a senior or lead capacity. Routing: OSPF, BGP, EIGRP Switching: Nexus, Catalyst Wireless: Meraki, Catalyst 9800 Security: ASA, Firepower Cisco ACI (Application Centric Infrastructure) certification required. Strong hands‑on experience with at least two of the following or comparable enterprise firewall platforms: Fortinet FortiGate Check Point SD‑WAN experience with Cisco Viptela, Meraki SD‑WAN, Fortinet Secure SD‑WAN, VMware VeloCloud, or comparable platforms. Experience with network discovery and CMDB tooling such as Device42, Lansweeper, ServiceNow Discovery, SolarWinds, or comparable platforms. Experience operating within a ServiceNow ITSM environment, including incident, change, problem, and CMDB workflows. Strong understanding of hybrid cloud connectivity patterns, including Microsoft Entra federation, vendor-hosted application connectivity, and site-to-cloud transit. Solid understanding of network security fundamentals, including segmentation, NAC, 802.1X, VPN, and PKI. Demonstrated ability to work independently across multiple sites, including hospital campuses and ambulatory practices. Excellent written and verbal communication skills, with the ability to translate technical findings into client‑facing narratives. Preferred Qualifications Cisco CCNP or CCIE certification, Enterprise or Security track. Palo Alto PCNSE, Fortinet NSE 6+, or comparable vendor security certifications. Prior experience delivering network assessments in healthcare, financial services, or other regulated environments. Familiarity with healthcare clinical infrastructure considerations, including medical device (IoMT) segmentation, HL7/FHIR connectivity, and EMR/EHR network dependencies. Experience with major EMR platforms and comparable EMR network connectivity patterns. Understanding of HIPAA Security Rule technical safeguards and HITRUST control expectations at a network infrastructure level. Experience with network automation tooling such as Ansible, Python, Terraform, or comparable technologies supporting the shift toward self‑healing infrastructure. Prior experience in a Managed Services Provider (MSP) or NOC‑driven service delivery model. What Makes HTC A Great Place To Build Your Future HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high‑performing teams driving success together. You’ll have long‑term opportunities to grow your career and develop skills in the latest emerging technologies. At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks. Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected. At HTC Global Services, our culture is an embodiment of who we are – a value‑led organizationcommitted to success of our people and customers. Hybrid and Workplace flexibility Work-Life-Balance Well-defined career development plan Rewards & Recognition program L&D focuses on upskilling Hands-on experience on Emerging Technologies and Digital Transformation Career Mobility programs #J-18808-Ljbffr HTC Global Services