ShelCron

IT Support & Ops

Infrastructure Support

Practical support for networks, hosts, and shared services that keep applications reachable.

Infrastructure support covers the shared layer applications depend on—DNS, VPN/bastion access, host connectivity, shared storage mounts, and the small but critical services that cause big outages when ignored. We stabilize and document that layer so app teams are not blocked waiting on tribal knowledge.

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Who it’s for

  • Product teams blocked by infra unknowns
  • IT groups needing surge help on shared services
  • Companies with light MSP coverage and heavy internal apps

Problems we address

  • DNS, VPN, or bastion issues stall delivery
  • Shared services lack owners and runbooks
  • App and infra teams escalate past each other

Expected outcomes

  • Ownership and runbooks for shared infrastructure
  • Stabilization of priority connectivity paths
  • Clear escalation paths between app and infra

Capabilities

Concrete engineering capabilities included in a typical engagement for this service.

DNS and name-resolution troubleshooting

Bastion/VPN access patterns

Host networking and firewall coordination

Shared service health checks

Infra ticket triage practices

Technology

Representative technologies used for this service. Final stack depends on your estate.

  • DNS
  • VPN/WireGuard/OpenVPN
  • Linux networking
  • firewalls
  • load balancers

Architecture

Operations loop

Signals from systems feed monitoring, incident response, and change control.

SystemsTelemetryAlertsTicketsChange

Deliverables

  • Priority infra issue remediation as scoped
  • Shared-service runbooks
  • Access path documentation
  • Escalation matrix
  • Handover notes

Out of scope

  • Carrier circuit procurement
  • Office cabling projects

Timeline

Typical timeline

1–5 weeks

Timeline depends on scope, access, and dependencies—not a delivery guarantee.

Process

A clear delivery path from discovery through handover and optional support.

  1. 01

    Discovery

    Goals, constraints, success criteria, and current-state review.

  2. 02

    Architecture

    Target design, interfaces, risks, and delivery sequence.

  3. 03

    Implementation

    Incremental build with visible progress and documented decisions.

  4. 04

    Testing

    Functional checks, failure paths, and acceptance criteria validation.

  5. 05

    Deployment

    Controlled release to staging and production with rollback paths.

  6. 06

    Handover

    Runbooks, access notes, and operator/admin walkthrough.

  7. 07

    Support

    Optional hypercare window or retainer continuity after go-live.

Custom engagement

Pricing depends on architecture, traffic profile, and integration depth. Share your requirements for a scoped quote.

FAQ

Not necessarily. Many clients use us for application-adjacent infra that their MSP does not deep-own, or for a defined stabilization project.

Ready to build?

Tell us about your environment, constraints, and target outcomes. We’ll recommend a package or a scoped quote.