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Enterprise Infrastructure & DevOps Engineering

Resilient IT Infrastructure & System Administration

Calm, production-tested systems engineering for startups, SMEs, and enterprises. 15+ years architecting Proxmox virtualization, hardening Linux environments, and eliminating costly downtime.

15+ Yrs
Production Experience
99.99%
Uptime Architecture
< 1 Hour
Critical Incident SLA
Zero
Cloud Vendor Lock-in
DoWithSudo, IT Infrastructure & System Administration Services
DoWithSudo Core Node
cluster-id // prod-pve-01
Operational
Hypervisor & OS Proxmox VE 8.4
ZFS Pool: RAID-Z2 HEALTHY · 0 ERR
Security Ingress Cloudflare Zero Trust
Edge Inbound Ports 0 Ports Open (Closed)
Disaster Recovery PBS + Immutable S3
Deduplication Ratio 14.8x Storage Saved
CIS Benchmark Hardened 24/7 Monitored
// Operational Challenges

Bottlenecks We Eliminate

The recurring failure modes we see across production environments — and remove at the root.

  1. System Downtime & Outages

    Unplanned server crashes and network freezes that disrupt customer transactions and operations.

  2. Absence of Senior DevOps

    Lacking dedicated senior infrastructure engineers to design resilient architectures and fix edge bugs.

  3. Unpredictable Cloud Costs

    Spiraling AWS, GCP, or Azure bills caused by poor sizing, unoptimized bandwidth, and idle instances.

  4. Slow Incident Resolution

    Waiting hours or days for generic support tickets while your mission-critical applications remain offline.

// Core Capabilities

Engineered for Reliability and Scale

Expert systems administration, automated disaster recovery, and perimeter security designed to keep your infrastructure resilient.

Rapid Incident Response

Targeted troubleshooting to mitigate critical outages, restore services, and prevent regression.

Proactive Security Audits

CIS benchmark audits, kernel CVE patching, and strict perimeter zero-trust ingress policies.

On-Demand Consultation

Pay for senior engineering expertise only when you need it. No rigid long-term retainers.

Battle-Tested Architectures

Enterprise virtualization, automated ZFS snapshots, and multi-cloud resilience proven in production.

// Client Endorsements

Verified Client Outcomes

Real feedback from engineering leaders, operation managers, and founders who trust DoWithSudo.

“Danu architected our Proxmox cluster and ZFS backup pipeline with zero downtime. Easily one of the most reliable engineers we have worked with.”

Budi Santoso

Technical Lead, PT. Niaga Dharma Selaras

“Server infrastructure became much more stable after the migration. Response time for incidents dropped from hours to minutes.”

Mr. Yayan Arwinda

Operation Manager, PT. Kreatif Warna Media

“Professional approach to network security. The audit uncovered vulnerabilities we did not even know existed, and the remediation was seamless.”

Ms. Dinda Lestari

Founder & Managing Director, PT. Madani Data Sarana

// Why DoWithSudo

A Reliable Partner for Critical Infrastructure

Practical, dependable, and seasoned systems engineering tailored to the exact requirements of your business.

15+
Years in production
8
Service disciplines
24/7
Incident availability
0
Vendor lock-in
01

Rapid Response Time

Get prompt incident remediation when critical services fail. Direct communication without ticket queue bureaucracy.

02

15+ Years Hands-on Depth

Battle-hardened expertise across production Linux distributions, bare-metal hypervisors, and distributed networks.

03

Flexible Engagement Models

Engage on a per-incident, monthly retainer, or discrete project basis. Zero locked-in contracts.

04

Direct Senior Engineering

Work directly with Danu, a seasoned infrastructure architect, rather than junior account managers.

// Engagement Process

How We Work Together

A structured, transparent consulting workflow designed to resolve issues rapidly and deliver lasting stability.

  1. 01

    Discovery & Triage

    Reach out via our inquiry form or direct call. We examine your current architecture, bottlenecks, or outage reports.

  2. 02

    Technical Assessment

    Receive an actionable scope of work, clear timeline, and transparent pricing tailored to your requirements.

  3. 03

    Execution & Hardening

    Implementation with minimal or zero downtime. We conduct thorough validation tests before going live.

  4. 04

    Documentation & Handoff

    Complete runbooks, operational diagrams, and post-service follow-up so your internal team is fully empowered.

// Frequently Asked Questions

Clear Answers to Common Inquiries

Everything you need to know about our infrastructure consulting, response SLA, and engagement terms.

Have a different question? Ask me directly.

Ask a Question
What IT infrastructure services do you offer?

Server setup and maintenance, network design and configuration, cloud infrastructure management, IT security audits, firewall configuration, CCTV systems, and on-demand IT support for businesses of all sizes.

How fast is your response time for IT support?

We prioritize quick response times to minimize business downtime. Most urgent issues are addressed within hours, not days.

Do you offer on-demand IT support without contracts?

Yes. We offer flexible on-demand IT support with no long-term contracts. Pay only when you need help, with options for project-based, monthly, or per-incident pricing.

What areas do you serve for on-site IT support?

We provide both remote IT support and on-site services. Contact us to discuss your location and support needs.

// Get Started

Ready to Stabilize Your Infrastructure?

Schedule a no-obligation technical consultation. Let us discuss your virtualization, Linux systems, network security, or cloud architecture.

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