Senior Network Administrator/Engineer jobs in United States
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LifeLens Technologies, Inc. · 7 hours ago

Senior Network Administrator/Engineer

LifeLens Technologies, Inc. is a fast-growing healthcare technology startup focused on building secure and scalable private cloud infrastructure for health monitoring solutions. They are seeking a Senior Network Administrator/Engineer to design and manage secure, high-performance network infrastructure across multiple datacenters while ensuring compliance with healthcare regulations.

BiotechnologyHealth CareLife SciencePersonal Health
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H1B Sponsor Likelynote

Responsibilities

Design, implement, and manage physical datacenter switching fabric including core, top-of-rack (TOR), and aggregation layers using enterprise platforms (Dell OS10, Arista, Cisco, etc.)
Architect and maintain robust Layer 2/3 enterprise networking including VLANs, LACP/link aggregation, jumbo frames, MTU optimization, QoS policies, and routing protocols (OSPF, BGP)
Implement and manage enterprise firewall architectures (Sophos XGS, Palo Alto, Fortinet) including network segmentation, NAT, site-to-site and remote access VPNs, and deep packet inspection
Design and deploy SDN solutions (Cilium, Flannel, Open vSwitch, VXLAN overlays) to support multi-tenant Kubernetes environments and cloud-edge workloads
Implement Zero Trust networking principles and modern identity-aware firewall policies
Configure and manage secure remote access solutions for distributed teams and multi-site connectivity
Deploy, configure, and manage comprehensive network monitoring systems including traffic analysis, flow monitoring, SNMP-based monitoring, and network performance tools
Implement and manage network-level authentication solutions including RADIUS, 802.1x, and Network Access Control (NAC) integrated with SSO/identity providers
Support multi-datacenter connectivity including SDN overlays, MC-LAG configurations, and WAN optimization
Collaborate with Systems Engineering team to integrate network infrastructure with Kubernetes deployments and storage systems
Ensure network infrastructure meets FedRAMP, HIPAA, and FDA 510(k) compliance requirements
Develop and maintain network documentation, diagrams, and runbooks
Participate in on-call rotation for critical network infrastructure

Qualification

Enterprise networkingFirewall architecturesNetwork monitoring systemsNetwork security principlesSDN technologiesNetwork automationNetwork authentication protocolsTroubleshooting skillsKubernetes experienceHealthcare complianceMulti-datacenter experienceIoT networkingCloud networkingIndustry certificationsDocumentation skillsCommunication skills

Required

7–10+ years of experience in enterprise networking or network engineering roles
Expert-level knowledge of physical network administration with enterprise switches, spanning tree, VLANs, and link aggregation
Strong hands-on experience with Layer 3 routing protocols (OSPF, BGP) in production environments
Proven experience designing and implementing enterprise firewall architectures with segmentation strategies
Deep experience with network monitoring systems (PRTG, Nagios, LibreNMS, SolarWinds, or similar) including implementation, configuration, and alerting
Experience with SDN technologies, overlay networks, and network virtualization
Strong knowledge of network authentication protocols (RADIUS, TACACS+, 802.1x) and integration with enterprise SSO solutions
Deep understanding of network security principles including VPNs, IDS/IPS, and access control
Experience with network automation and scripting (Python, Ansible, or similar)
Strong troubleshooting skills for complex network issues across OSI layers
Excellent documentation and communication skills

Preferred

Experience with Kubernetes network policies and CNI plugins (Cilium, Calico, Flannel)
Familiarity with healthcare compliance frameworks (HIPAA, FedRAMP, NIST 800-53)
Experience in multi-datacenter environments with SDN overlays or MC-LAG
Exposure to IoT or edge compute networking requirements
Experience with Azure Government or AWS GovCloud networking
Industry certifications (CCNP, CCIE, PCNSE, or equivalent)

Benefits

Health, Dental & Vision Insurance
Paid Time Off
401(k)
Stock option incentive plan

Company

LifeLens Technologies, Inc.

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LifeLens was founded to create simple, commercially viable technologies for high fidelity physiologic monitoring.

H1B Sponsorship

LifeLens Technologies, Inc. has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2023 (3)
2022 (2)
2021 (3)
2020 (2)

Funding

Current Stage
Growth Stage
Total Funding
$36.65M
2025-11-17Series Unknown· $15.08M
2024-07-15Series Unknown· $18.37M
2020-08-04Series Unknown· $3.2M

Leadership Team

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Robert Van Tassel
Co-Founder
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Company data provided by crunchbase