Engineering Operations Technician, DCC Communities

Amazon

Earth's most customer-centric company providing the world's largest cloud computing platform.

Washington, DC, USA

$55,000 - $85,000

DevOps

Entry-Level Software Engineer

In-Person

5,000+ Employees

2+ years of experience

Enterprise SaaS · Cloud

Description For Engineering Operations Technician, DCC Communities

Join AWS Infrastructure Services as an Engineering Operations Technician and become part of Earth's most customer-centric company. You'll work in some of the world's most sophisticated data centers, supporting critical infrastructure systems that power AWS's global cloud computing portfolio.

As an EOT, you'll be responsible for maintaining and operating mission-critical facility equipment, including standby diesel generators, 3-phase electrical systems, mechanical equipment, and fire/life safety systems. Your daily duties will involve monitoring building systems, performing preventative maintenance, troubleshooting issues, and ensuring 24/7 reliability of data center operations.

The role offers unique opportunities to work with cutting-edge technology and collaborate with some of the brightest minds in the industry. You'll be part of AWS Infrastructure Services, the team responsible for keeping the cloud running by managing all AWS global infrastructure. This position is perfect for technically-minded individuals who enjoy hands-on work and problem-solving in a dynamic environment.

AWS values diverse experiences and fosters an inclusive culture through employee-led affinity groups and ongoing learning opportunities. The company offers strong career growth potential through mentorship programs and knowledge-sharing resources. Work-life harmony is prioritized, with flexible scheduling options available.

This is an excellent opportunity for candidates with technical/trade school training or relevant experience in electrical, mechanical, or HVAC systems. You'll be part of a team that's defining industry standards and helping AWS maintain its position as the world's most comprehensive cloud platform. Join us in making history while working with state-of-the-art technology in a supportive, growth-oriented environment.

Last updated 3 days ago

Responsibilities For Engineering Operations Technician, DCC Communities

Monitor and record information from electrical, mechanical, and fire/life safety equipment
Monitor Building Management Systems (BMS) and Electrical Power Management System (EPMS)
Troubleshoot facility and rack-level events
Perform rack installs and decommissioning
Perform PM, troubleshooting, root cause analysis of electrical and mechanical equipment
Technical writing for change management program
Monitor and manage daily work requests
Provide on-site support for contractors and vendors
Maintain mission-critical data center facility equipment

Requirements For Engineering Operations Technician, DCC Communities

Linux

Technical (Military/Trade School) training or 2+ years of electrical or mechanical, HVAC, fire system experience
2+ years of electrical or mechanical experience
2+ years experience with Microsoft Office products
High school or equivalent diploma
Ability to lift up to 39 pounds independently
Physical ability to maintain balance, work on ladders, and perform construction tasks
Willingness to work 12-hour shifts and rotating schedules

Benefits For Engineering Operations Technician, DCC Communities

Medical Insurance

Career advancement opportunities
Mentorship programs
Work-life harmony
Inclusive workplace culture
Employee-led affinity groups
Ongoing learning experiences

Amazon

Earth's most customer-centric company providing the world's largest cloud computing platform.

Washington, DC, USA

$55,000 - $85,000

DevOps

Entry-Level Software Engineer

In-Person

5,000+ Employees

2+ years of experience

Enterprise SaaS · Cloud

Amazon

Lowest Common Ancestor of a Binary Tree

Data Structures & AlgorithmsMedium

Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The lowest common ancestor is defined between two nodes p and q as the lowest node in T that has both p and q as descendants (where we allow a node to be a descendant of itself). For example: If the tree is [3,5,1,6,2,0,8,null,null,7,4], p = 5, q = 1, then the expected output is 3, because the LCA of nodes 5 and 1 is 3. If the tree is [3,5,1,6,2,0,8,null,null,7,4], p = 5, q = 4, then the expected output is 5, because the LCA of nodes 5 and 4 is 5, since a node can be a descendant of itself according to the LCA definition. If the tree is [1,2], p = 1, q = 2, then the expected output is 1. Consider these constraints: The number of nodes in the tree is in the range [2, 10^5]. -10^9 <= Node.val <= 10^9 All Node.val are unique. p != q p and q will exist in the tree.

Trees

Recursion

Amazon

How would you implement a service like Twitter?

System DesignHard

Let's design a Twitter-like service. Consider the following: Core Functionality: How would you implement the ability for users to post tweets, follow other users, and view a timeline of tweets from the users they follow? Data Model: What database schema would you use to store tweets, user information, and follower relationships? Consider scalability and efficiency for reads and writes. Scalability: How would you handle a large number of users and tweets? Discuss strategies for sharding, caching, and load balancing. Real-time Updates: How would you ensure that users see new tweets in their timeline in near real-time? Consider using technologies like WebSockets or Server-Sent Events. Search: How would you implement a search feature that allows users to find tweets containing specific keywords or hashtags? Think about indexing strategies and search algorithms. Rate Limiting: How would you prevent abuse and ensure fair usage of the service? Describe your approach to rate limiting API requests. Example Scenario: Imagine a user, Alice, follows 1,000 other users, including Bob. Bob posts a tweet. Explain how that tweet would propagate to Alice's timeline, considering potential performance bottlenecks. Technology Stack: What technologies (programming languages, frameworks, databases, etc.) would you choose and why?

Database Problems

Graphs

Arrays

Strings

Amazon

Describe a time when a plan did not go as expected

Behavioral

Describe a time when a plan did not go as expected.

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