I was on a call with a friend who was telling me that their backup generator had been hacked through an IoT controller (I assumed an ATS) relinquishing control, and the company got ransomed and was told they had an hour to produce the ransom (BTC) or they would disable the ATS and then go after a bunch of their MEP controls including chillers. Essentially forcing an event that would require going to generator that they couldn't use. The kicker was, it was a corporate facility and they shut off the chillers that went to the refrigerators in the cafeteria and they lost a shit ton of food to boot.

Aside from overlooking their cyber security practices (if they had any), what's your crazy story/experience, especially a preventable one?

Graduated with a bachelors in information systems about 2 years ago, all my experience is mostly in helpdesk and infrastructure management right now in my position. I want to be more hands on with my work and data centers feel like the perfect place to transition. I am open to relocation and have not had luck with the big AWS and Google data centers was wondering what advice or insight people in the sub can offer. Thank you

Also the recruiter has not been very helpful at all. I had to constantly keep asking what the update of my application was. It seems like as soon as I filled out the form for my feedback on the interview she presented me with the news that they aren’t interested. SMH

The Single-Home Illusion: The calculation that data centers can power "88 million homes" is mathematically correct because one individual home draws very little power (~10,500 kWh per year).

The Aggregate Reality: There are over 130 million homes in the U.S. When you combine them all, they form a massive block of over 1,500 TWh.

As shown above, data centers do not swallow 100% of the aggregate household grid by 2030—they swallow 27.3% of it.

However, if the current AI infrastructure trajectory continues past 2030, the two blocks are projected to reach a 100% baseline parity by 2035.

Adding 2035.

I have an interview tomorrow for an L4 role and was wondering if I could get any advice on the interview. This is my background in tech.

TECHNICAL SKILLS
Networking - LAN/WAN, TCP/IP, DHCP, DNS, Active Directory, Cisco Packet Tracer, Network Monitoring (Lab)
Platforms - Windows OS, macOS, iOS, Android, Remote Desktop

Tools - Wireshark, Cherwell, Zoom AV Systems, Imaging & Hardware Deployment

Soft Skills - Problem Solving, Detail-Oriented, Team Collaboration, Communication, Customer Service, Project Deployment

CERTIFICATIONS / EDUCATION
Cisco Certified Network Associate (CCNA) • Cisco CyberOps Associate (CROPS) • CompTIA A+ • CompTIA Network+ • Azure Fundamentals in progress
B.S. in Networking & Cloud - Western Governors University (In Progress) | A.S. in Cybersecurity - Southern New Hampshire
University

PROJECTS
Enterprise Network Lab - Cisco Packet Tracer
• Designed and deployed a three-tier core/distribution/access enterprise network incorporating VLANs, 802.1Q trunking, Rapid PVST+, LACP EtherChannel, OSPF, inter-VLAN routing via SVIs, DHCP, NAT/PAT, extended ACLs, SSH hardening, and port security.

EXPERIENCE
Sr. End User Support
• Imaged, configured, and deployed laptops and desktops for new hires and hardware replacements across the health system.
• Delivered Tier 1-2 technical support for 500+ hospital staff via phone, email, and in-person, resolving hardware, software, and network issues in a fast-paced clinical environment.
• Diagnosed and resolved complex issues across Windows, macOS, iOS, and Android platforms, including hardware failures, application errors, and connectivity problems.
• Served as escalation point for Level 1 technicians, handling advanced troubleshooting for networking, printing, and peripheral devices.
• Ran fiber optic and copper cables in IDFs and MDFs to support new equipment installations, ensuring proper cable management and documentation.
• Managed hardware inventory and asset lifecycle tracking, ensuring accurate records and compliance with organizational standards.
• Supported clinical expansion initiatives including new hospital and clinic deployments, coordinating with cross-functional teams to ensure seamless technology rollouts.
• Provided white-glove technical support for executives and VIP users, including real-time assistance during high-visibility meetings, presentations, and off-site events.
• Partnered with facilities and external vendors on conference room builds and technology upgrades.
Documented technical solutions and contributed to internal knowledge base, improving team efficiency and first-call resolution rates.

Data Center Operations Technician
• Monitored data center systems and critical electrical infrastructure, providing real-time alerts and updates to support and operations teams.
• Labeled and organized cabling systems to improve maintenance efficiency and documentation accuracy.

For those who joined AWS DCO either tech or manager as an external hire and were headed for a night line, I’m trying to get a realistic sense of the timeline before you actually landed on nights.

If you’ve been through it, I’d appreciate specifics:

• How many weeks on days (orientation + training) before you moved to your permanent night shift?

• How much did the timeline depend on who was available to train you?

We are planning our first two liquid-cooled GPU racks in an existing air-cooled data hall. The current configurations are expected to run around 65–70KW per rack, with 80 kW as the upper planning case. Most of the surrounding racks are still in the 10–15KW range.

Based on the preliminary server configurations, roughly three quarters of the rack heat should be captured by the technology cooling loop, although we are still waiting for the final figures from the server vendor. That would leave around 16–20KW per rack for the room cooling system under normal conditions.

The facility chilled-water loop runs through an adjacent mechanical corridor, but there is currently no water distribution inside the white space. One option is to use a liquid-to-air HDU for the first phase and avoid extending facility water into the room. The problem is that the HDU would reject the captured heat back into the data hall, so the existing air system would still have to handle nearly the full rack load.

The other option is to extend facility water now and install a liquid-to-liquid CDU. That would remove most of the rack heat from the room and provide a better path for expansion, but it adds piping, isolation, commissioning and another equipment-side loop that our operations team has not maintained before.

I came across a Schneider Electric article that describes HDUs as a transitional option where facility water is unavailable, and CDUs as the more direct connection when water infrastructure already exists nearby. That distinction makes sense, but I am not sure when the lower-disruption bridge becomes a false economy.

For a two-rack first phase, use an HDU and accept the additional room load, or install the facility-water connection now?

Does anyone who works or worked at Vertiv know how much this role pays? I know google searches can be really off, so I didn’t want to trust it.

Which role is better for long term career growth and troubleshooting/skill growth? I have both jobs offered and need to accept one tomorrow. Would really appreciate any input on people that have worked in both fields.

Fuck this industry honestly. I’m tired of applying hundred times getting interviews and interviewers wasting my fucking time. Why do I have to do 3 fucking interviews for just putting cable into a server. Fucking scumbags