Cisco · Credly verified
Resume · Experience · Credentials
Senior Network Engineer. Infrastructure leader. Problem solver.
15+ years of professional experience in enterprise networking, infrastructure, and network security across healthcare, utilities, multi-site environments, and data-center operations.
Northern Vermont hello@jeffreyhathaway.com
Professional profile
Enterprise networking, infrastructure, and network security.
Senior Network Engineer focused on network architecture, infrastructure, and network security. Experience spans enterprise routing and switching, WAN/LAN/WLAN, firewalls, VPN, network access control, virtualization, monitoring, high availability, and disaster recovery. Leadership, consulting, teaching, EMS/public service, and amateur radio add breadth without competing with the core engineering focus.
15+Years in professional IT infrastructure
25+Remote sites redesigned at Howard Center
115+Corporate servers managed at VSAC
2Data centers supported in a high-availability design
Featured certifications
Selected certifications with Credly verification.
These Credly badges are a selected verification subset, not Jeffrey’s complete credential record. AEMT, amateur radio, and other credentials are represented separately on the site.
Cisco · Credly verified
Cisco Certified Specialist - Enterprise Advanced Infrastructure
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Cisco · Credly verified
Implementing and Configuring Cisco Identity Services Engine
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Current areas of technical focus.
Network Architecture
Enterprise routing and switching, WAN/LAN/WLAN, BGP, OSPF, VLANs, QoS, 802.1X, IPv4/IPv6, DNS
Network Security
Firewalls, VPN, network access control, Zero Trust, MFA, segmentation, security controls and standards
Systems & Virtualization
VMware vSphere, Proxmox, LXC, Windows Server, Linux, Active Directory, Microsoft 365
Operations & Resilience
Infrastructure and network monitoring, performance analysis, alerting, troubleshooting, high availability, disaster recovery, operational visibility
Platforms
Cisco, Fortinet, Meraki, VMware, Microsoft, Proxmox
Professional experience
Professional experience.
Roles across healthcare, electric utility, nonprofit, consulting, and data-center environments, with responsibility for network architecture, security, availability, and operations.
Orthofix
Remote- Lead network solution design across WAN, LAN, WLAN, SD-WAN, and cloud environments, including IP addressing, access control, and Quality of Service.
- Manage and optimize network performance and reliability using network monitoring platforms including SolarWinds and Cisco infrastructure tooling.
- Operate and troubleshoot BGP, EIGRP, and OSPF; administer WLAN, Cisco AnyConnect VPN, and related network management systems.
- Conduct security administration, ACL management, risk assessments, and vulnerability analysis to strengthen operational continuity.
- Lead installations, diagnostics, troubleshooting, log analysis, and evaluations of new technologies for integration and future readiness.
Burlington Electric Department
Hybrid- Supported smart-grid, SCADA, generation-facility server, and network infrastructure serving critical utility operations.
- Administered and optimized VMware infrastructure and initiatives focused on availability, performance, and operational continuity.
- Designed preventative maintenance programs to reduce downtime and extend system life.
- Managed switches, firewalls, routers, IoT devices, and related field technologies across the environment.
Howard Center
On-site- Led redesign and reconstruction of network infrastructure across five major and more than twenty-five remote locations, emphasizing high availability and redundancy for a mission-critical crisis intervention hotline.
- Implemented resilient infrastructure across two data centers, maintaining service through a major flood-induced fiber cut with reduced bandwidth.
- Built a multi-location, multi-provider WAN with BGP optimization using Noction to improve availability and resilience.
- Modernized communications and edge infrastructure, including Shoretel to Cisco Unified Communications, SonicWALL to Meraki, Cisco Nexus 9K/Catalyst switching, and Fortigate security.
- Supported risk assessments, vulnerability testing, vendor relationships, and network-circuit upgrades.
Linovus Holdings Inc
Remote- Led internal and external IT teams and oversaw technology operations for Linovus and its clients.
- Directed consulting engagements and implementation of IT projects designed to improve operational efficiency and technical robustness.
- Managed vendors, network upgrades, and transitions toward cloud-based infrastructure while applying disciplined project-management practices.
- Maintained strategic IT leadership and client service through complex operating challenges.
VSAC
On-site- Led implementation of NIST 800-53 Rev. 3 compliance for a U.S. Department of Education contract requirement.
- Managed more than 115 corporate network servers supporting Active Directory, Microsoft Exchange, VMware vSphere, and other critical applications.
- Reviewed and implemented CISA secure-configuration baselines for Windows Server, Microsoft Exchange, and Windows 7.
- Administered Cisco routers and switches, Cisco ASA, Barracuda security systems, OSPF/BGP/static routing, and VLAN configurations.
- Contributed to disaster recovery planning, network-operating-system upgrades, connectivity troubleshooting, and HP blade-server maintenance.
Power Shift
On-site- Led infrastructure projects and managed the on-site data center, hosting systems, backups, and disaster-recovery processes.
- Maintained internet-vendor peering agreements and BGP/OSPF operations supporting the data center and wireless ISP.
- Provided Level 3 technical support and built quality-assurance, training, and mentoring processes for support staff and junior administrators.
- Designed server virtualization for web hosting using Citrix XenServer to improve utilization and reliability.
- Developed and enforced network and server security policies to protect services and support compliance.
Education
Technical education backed by leadership study.
University of the Cumberlands
Computer and Information Systems Security / Information Assurance
In ProgressPrescott College
Master of Business Administration (MBA), Sustainability Leadership
2020Marlboro College Graduate & Professional Studies
Organizational Leadership
2017 - 2020Southern New Hampshire University
Bachelor's Degree, Information Technology
2013 - 2017Community College of Vermont
Associate's Degree, Network Administration
2008 - 2013PDF Resume
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