Services

Infrastructure work, done directly

Every service listed below is delivered by the same engineer who scopes it. Subnet Works does not subcontract, does not hand off to a help desk, and does not sell products. The work is hands-on and the engagement is direct.

Design

Network architecture, VLAN design, firewall policy, and infrastructure planning.

Network Infrastructure Design and Administration

Cisco routing and switching, VLAN segmentation, STP, EtherChannel, OSPF, firewall policy, and DNS/DHCP for NYC-metro businesses with network problems.

  • Cisco IOS routing and switching, VLAN segmentation
  • Spanning Tree, EtherChannel, port security, DHCP snooping
  • OSPF, ACL design, NAT, and HSRP
  • Firewall policy on Cisco ASA, pfSense, and OPNsense
  • Wireshark capture and packet-level fault isolation

Infrastructure Assessment and Consulting

Onsite and remote infrastructure audits for NYC-metro businesses: network topology, security posture, backup review, and a written remediation roadmap.
Secure

Access control, Zero Trust, intrusion detection, and security hardening.

Security and Remote Access

Network access control, Zero Trust remote access, firewall policy, and VPN for NYC-metro businesses with distributed users or public-facing services.

  • Tailscale Zero Trust remote access with per-user ACLs and MFA
  • Authelia SSO and MFA via Caddy reverse proxy
  • CrowdSec intrusion prevention on exposed authentication services
  • RDP and unmanaged-VPN replacement, exposed-port elimination
Operate

Server administration, virtualization, storage, and ongoing remote management.

Systems and Server Administration

Linux and Windows Server administration, Docker, Proxmox, ZFS storage, and backup pipelines for NYC-metro businesses running their own infrastructure.

  • Proxmox VE virtualization with KVM and ZFS storage
  • Linux and Windows Server administration and hardening
  • Docker Compose stacks behind Caddy reverse proxy with automatic TLS
  • Backup pipelines with off-volume targets and tested recovery runbooks

Remote Network Administration

Ongoing remote administration on retainer for businesses that need consistent network and infrastructure oversight without the cost of a full-time hire.

Ready to talk about your infrastructure?

Start with a free 30-minute call. No sales pitch. Just a conversation about what you are running and what needs to change.

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